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NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015 Routine Fire Wx Fcst (With/Without 6-10 Day Outlook) Issued by NWS Riverton, WY 000 FNUS55 KRIW 030917 FWFRIW FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING NATIONAL WEATHER SERVICE RIVERTON WY 317 AM MDT SUN MAY 3 2015 .DISCUSSION... ...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER ZONES 140...414...415...AND 416)... TODAY...MOSTLY CLOUDY AND COOLER WITH BETTER CHANCES FOR SHOWERS AND A FEW THUNDERSTORMS. HIGH TEMPERATURES WILL DROP UP TO 5 DEGREES WHILE MINIMUM RH VALUES RISE 5 TO 10 PERCENT COMPARED TO THOSE OF SATURDAY. WINDS WILL DECREASE OUT OF THE WEST TO SOUTHWEST AT AROUND 10 MPH WITH RIDGE-TOP GUSTS TO 25 MPH IN THE AFTERNOON. LATE DAY THUNDERSTORMS ARE ALSO EXPECTED THROUGH AT LEAST TUESDAY. ...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278... AND 279)... TODAY WILL BE COOLER WITH MORE CLOUD AND CONTINUING CHANCES FOR PRECIPITATION BY MID-DAY...AS TEMPERATURES ONLY MAKE IT INTO THE 60S. MINIMUM RH VALUES WILL RISE...GENERALLY RANGING FROM THE MID 20S TO THE LOWER 30S (PERCENT). WINDS WILL DECREASE COMPARED TO THOSE OF SATURDAY

NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

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Page 1: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr30 2015

Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)

Issued by NWS Riverton, WY

000

FNUS55 KRIW 030917

FWFRIW

FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING

NATIONAL WEATHER SERVICE RIVERTON WY

317 AM MDT SUN MAY 3 2015

.DISCUSSION...

...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER

ZONES 140...414...415...AND 416)...

TODAY...MOSTLY CLOUDY AND COOLER WITH BETTER CHANCES FOR

SHOWERS AND A FEW THUNDERSTORMS. HIGH TEMPERATURES WILL DROP UP TO

5 DEGREES WHILE MINIMUM RH VALUES RISE 5 TO 10 PERCENT COMPARED TO

THOSE OF SATURDAY. WINDS WILL DECREASE OUT OF THE WEST TO SOUTHWEST AT

AROUND 10 MPH WITH RIDGE-TOP GUSTS TO 25 MPH IN THE AFTERNOON. LATE DAY

THUNDERSTORMS ARE ALSO EXPECTED THROUGH AT LEAST TUESDAY.

...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278...

AND 279)...

TODAY WILL BE COOLER WITH MORE CLOUD AND CONTINUING CHANCES FOR

PRECIPITATION BY MID-DAY...AS TEMPERATURES ONLY MAKE IT INTO THE 60S.

MINIMUM RH VALUES WILL RISE...GENERALLY RANGING FROM THE MID 20S TO THE

LOWER 30S (PERCENT). WINDS WILL DECREASE COMPARED TO THOSE OF SATURDAY

Page 2: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

...BECOMING WEST TO SOUTHWEST AT 10 TO 20 MPH WITH HIGHER GUSTS

POSSIBLE NEAR SHOWERS AND STORMS. LATE DAY

THUNDERSTORMS ARE ALSO EXPECTED THROUGH AT LEAST TUESDAY.

...CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276...

282...283...285...286...287...288...AND 289)...

TODAY...WILL BE COOLER AND CLOUDY WITH BETTER CHANCES FOR AFTERNOON

SHOWERS AND ISOLATED THUNDERSTORMS AREA WIDE. TEMPERATURES WILL DROP

5 TO 10 DEGREES WHILE RH VALUES RISE 10 TO 20 PERCENT COMPARED TO

THOSE OF TODAY. WIND SPEEDS WILL DECREASE AND TURN OUT OF THE NORTH

TO NORTHEAST AT 5 TO 10 MPH ACROSS MOST OF THE AREA...WITH GUSTS TO

20 MPH POSSIBLE IN THE MOUNTAINS. LATE DAY

THUNDERSTORMS ARE ALSO EXPECTED THROUGH AT LEAST TUESDAY.

...CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281...

285...289...AND 300)...

TODAY WILL BE 5 TO 10 DEGREES COOLER WITH MUCH MORE CLOUD

AND INCREASING CHANCES FOR AFTERNOON SHOWERS AND ISOLATED

THUNDERSTORMS AREA WIDE. RH VALUES WILL RISE 10 TO 20 PERCENT FOR

MOST LOCATIONS. WINDS WILL BE NORTH TO NORTHEAST 10 TO 15 MPH ACROSS

MOST OF THE DISPATCH AREA...EXCEPT FOR ZONE 289 WHERE WEST WINDS

WILL STILL BE COMMON. LATE DAY THUNDERSTORMS ARE ALSO EXPECTED THROUGH

AT LEAST TUESDAY. SOME STORMS ON TUESDAY COULD PRODUCE SMALL HAIL...

STRONG WINDS AND LOCALLY HEAVY RAINFALL.

...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS...

...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT...

WYZ280-032230-

NATRONA COUNTY/CASPER BLM-

Page 3: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.

SCATTERED RAIN SHOWERS AND ISOLATED

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AFTER 1200. CHANCE OF

PRECIPITATION 40 PERCENT.

MAX TEMPERATURE.....66-71.

24 HR TREND......7 DEGREES COOLER.

MIN HUMIDITY........28-34 PERCENT.

24 HR TREND......19 PERCENT WETTER.

20-FOOT WINDS.......NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO

AROUND 25 MPH.

RIDGE TOP WINDS.....NORTHEAST 15 TO 20 MPH.

LAL.................1 UNTIL 1200...THEN 2.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....NORTH AROUND 15 MPH UNTIL 0900...THEN WEST 20

TO 25 MPH UNTIL 1500...THEN SOUTH AROUND 10

MPH.

MIXING HEIGHT.......1500-2000 FT AGL UNTIL 0900. 7500-9000 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR TO FAIR (38000-58000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND

Page 4: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

ISOLATED THUNDERSTORMS UNTIL 2400...THEN

ISOLATED RAIN SHOWERS. SOME THUNDERSTORMS MAY

PRODUCE GUSTY WINDS UNTIL 2400. CHANCE OF

PRECIPITATION 50 PERCENT.

MIN TEMPERATURE.....41-46.

24 HR TREND......1 DEGREE WARMER.

MAX HUMIDITY........88-94 PERCENT.

24 HR TREND......16 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......EAST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25

MPH.

RIDGE TOP WINDS.....EAST AROUND 15 MPH.

LAL.................2 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.15 PERCENT UNTIL 2400...THEN 5 PERCENT.

TRANSPORT WINDS.....EAST 10 TO 15 MPH.

MIXING HEIGHT.......7500-9000 FT AGL UNTIL 2100. 2000-2500 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....POOR TO FAIR (32000-52000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS. ISOLATED

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AFTER 1200. CHANCE OF

PRECIPITATION 20 PERCENT.

MAX TEMPERATURE.....63-68.

Page 5: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

24 HR TREND......2 DEGREES COOLER.

MIN HUMIDITY........39-45 PERCENT.

24 HR TREND......12 PERCENT WETTER.

20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH UNTIL 1200...THEN

UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500...THEN EAST

AROUND 10 MPH. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....EAST 15 TO 20 MPH.

LAL.................1 UNTIL 1200...THEN 3.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....EAST 15 TO 20 MPH.

MIXING HEIGHT.......2000-4000 FT AGL UNTIL 1500...THEN 4000-5500 FT

AGL.

SMOKE DISPERSAL.....FAIR TO GOOD (52000-72000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING. LOWS IN THE LOWER 40S. SOUTHEAST WINDS AROUND 15 MPH.

.TUESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS.

LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND

10 MPH.

.WEDNESDAY THROUGH THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS

AND ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS 57 TO 62.

NORTHEAST WINDS AROUND 10 MPH.

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE UPPER

30S. HIGHS IN THE MID 50S.

Page 6: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING...THEN

CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS

IN THE MID 50S.

$$

WYZ300-032230-

CASPER MOUNTAIN-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN CLOUDY.

SCATTERED RAIN SHOWERS AND ISOLATED

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AFTER 1200. CHANCE OF

PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....60-65.

24 HR TREND......6 DEGREES COOLER.

MIN HUMIDITY........35-41 PERCENT.

24 HR TREND......20 PERCENT WETTER.

20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 0900...THEN

NORTH. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 0900...THEN

NORTH.

LAL.................1 UNTIL 1200...THEN 2.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 15 PERCENT.

TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 0900...THEN WEST

20 TO 25 MPH UNTIL 1500...THEN AROUND 5 MPH.

MIXING HEIGHT.......1500-2000 FT AGL UNTIL 0900. 6500-7500 FT AGL

Page 7: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

AFTER 1500.

SMOKE DISPERSAL.....POOR (30000-34000 KNOT-FT) UNTIL 0900...THEN

GOOD (84000-90000 KNOT-FT) UNTIL 1500...THEN

POOR (16000-22000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND

ISOLATED THUNDERSTORMS UNTIL 2400...THEN

ISOLATED RAIN SHOWERS. SOME THUNDERSTORMS MAY

PRODUCE GUSTY WINDS UNTIL 2400. CHANCE OF

PRECIPITATION 50 PERCENT.

MIN TEMPERATURE.....39-44.

24 HR TREND......UNCHANGED.

MAX HUMIDITY........89-95 PERCENT.

24 HR TREND......20 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH. GUSTS UP TO 15

MPH UNTIL 2100...THEN 25 MPH UNTIL 2400...THEN

20 MPH.

RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH.

LAL.................2 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.30 PERCENT UNTIL 2400...THEN 5 PERCENT.

TRANSPORT WINDS.....LIGHT AND VARIABLE WINDS UNTIL 2100...THEN

SOUTHEAST AROUND 15 MPH.

MIXING HEIGHT.......6500-7500 FT AGL UNTIL 2100. 2000-2500 FT AGL

Page 8: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

AFTER 0300.

SMOKE DISPERSAL.....POOR TO FAIR (28000-48000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS UNTIL

1200...THEN SCATTERED SHOWERS AND

THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE

GUSTY WINDS AFTER 1200. CHANCE OF PRECIPITATION

40 PERCENT.

MAX TEMPERATURE.....58-63.

24 HR TREND......3 DEGREES COOLER.

MIN HUMIDITY........52-58 PERCENT.

24 HR TREND......17 PERCENT WETTER.

20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH. GUSTS UP TO 25

MPH UNTIL 1500...THEN 15 MPH.

RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.5 PERCENT.

TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.

MIXING HEIGHT.......2000-3500 FT AGL UNTIL 1500...THEN 4000-5000 FT

AGL.

SMOKE DISPERSAL.....FAIR TO GOOD (42000-62000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

Page 9: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

.MONDAY NIGHT...MOSTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING...THEN ISOLATED SHOWERS AFTER MIDNIGHT. LOWS IN THE

LOWER 40S. SOUTHEAST WINDS AROUND 15 MPH.

.TUESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS.

LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S. SOUTH WINDS AROUND

10 MPH.

.WEDNESDAY THROUGH THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...

SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 30S.

HIGHS IN THE MID 50S. SOUTHEAST WINDS AROUND 10 MPH.

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.

LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S.

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING...THEN

CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS

IN THE LOWER 50S.

$$

WYZ281-032230-

JOHNSON COUNTY/CASPER BLM-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.

ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.

SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS

AFTER 1200. CHANCE OF PRECIPITATION 20 PERCENT.

MAX TEMPERATURE.....66-71.

24 HR TREND......9 DEGREES COOLER.

MIN HUMIDITY........32-38 PERCENT.

Page 10: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

24 HR TREND......23 PERCENT WETTER.

20-FOOT WINDS.......NORTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND

30 MPH UNTIL 1200...THEN NORTHEAST AROUND 10

MPH AND GUSTY.

RIDGE TOP WINDS.....NORTH 20 TO 25 MPH UNTIL 1200...THEN NORTHEAST

AROUND 15 MPH.

LAL.................1 UNTIL 1200...THEN 2.

CHC OF WETTING RAIN.ZERO PERCENT.

TRANSPORT WINDS.....NORTH AROUND 25 MPH UNTIL 0900...THEN SOUTHWEST

AROUND 10 MPH.

MIXING HEIGHT.......1000-1500 FT AGL UNTIL 0900. 6500-8500 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR TO FAIR (26000-46000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND

ISOLATED THUNDERSTORMS UNTIL 2400...THEN

ISOLATED RAIN SHOWERS. SOME THUNDERSTORMS MAY

PRODUCE GUSTY WINDS UNTIL 2400. CHANCE OF

PRECIPITATION 40 PERCENT.

MIN TEMPERATURE.....44-49.

24 HR TREND......2 DEGREES WARMER.

MAX HUMIDITY........87-93 PERCENT.

24 HR TREND......14 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

Page 11: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

20-FOOT WINDS.......EAST WINDS 10 TO 15 MPH. GUSTS UP TO 20 MPH.

RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH UNTIL 2400...THEN

SOUTHEAST.

LAL.................2 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.7 PERCENT.

TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.

MIXING HEIGHT.......6500-8500 FT AGL UNTIL 2100. 1500-2500 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....POOR TO FAIR (30000-50000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS. ISOLATED

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AFTER 1200. CHANCE OF

PRECIPITATION 20 PERCENT.

MAX TEMPERATURE.....63-68.

24 HR TREND......2 DEGREES COOLER.

MIN HUMIDITY........42-48 PERCENT.

24 HR TREND......10 PERCENT WETTER.

20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO

AROUND 25 MPH UNTIL 1200...THEN 15 TO 20 MPH

WITH GUSTS TO AROUND 30 MPH.

RIDGE TOP WINDS.....SOUTHEAST 15 TO 20 MPH UNTIL 1200...THEN AROUND

25 MPH.

LAL.................1 UNTIL 1200...THEN 3.

Page 12: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

CHC OF WETTING RAIN.ZERO PERCENT.

TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH UNTIL 0900...THEN

AROUND 25 MPH.

MIXING HEIGHT.......1500-3500 FT AGL UNTIL 1500...THEN 4000-4500 FT

AGL.

SMOKE DISPERSAL.....GOOD (62000-82000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING. LOWS IN THE MID 40S. SOUTHEAST WINDS AROUND 15 MPH.

.TUESDAY...MOSTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS

IN THE MID 40S. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 10 MPH.

.WEDNESDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND

ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER

60S. NORTH WINDS AROUND 10 MPH.

.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND ISOLATED

THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. NORTH

WINDS AROUND 10 MPH.

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE LOWER

40S. HIGHS IN THE UPPER 50S.

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING...THEN

CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS

IN THE UPPER 50S.

$$

WYZ285-032230-

Page 13: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

SOUTH BIGHORN MOUNTAINS-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN CLOUDY.

SCATTERED RAIN SHOWERS AND ISOLATED

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AFTER 1200. CHANCE OF

PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....58-65.

24 HR TREND......7 DEGREES COOLER.

MIN HUMIDITY........34-40 PERCENT.

24 HR TREND......25 PERCENT WETTER.

20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH UNTIL 1200...THEN

SOUTHEAST. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH.

LAL.................1 UNTIL 1200...THEN 2.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 15 PERCENT.

TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH UNTIL 0900...THEN

SOUTHWEST UNTIL 1500...THEN SOUTH AROUND 5 MPH.

MIXING HEIGHT.......1500-2000 FT AGL UNTIL 0900. 7000-8500 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR TO FAIR (22000-42000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY.

Page 14: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

SCATTERED RAIN SHOWERS AND ISOLATED

THUNDERSTORMS UNTIL 2400...THEN ISOLATED RAIN

SHOWERS. SOME THUNDERSTORMS MAY PRODUCE GUSTY

WINDS UNTIL 2400. CHANCE OF PRECIPITATION 50

PERCENT.

MIN TEMPERATURE.....39-44.

24 HR TREND......UNCHANGED.

MAX HUMIDITY........88-94 PERCENT.

24 HR TREND......20 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......EAST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25

MPH.

RIDGE TOP WINDS.....EAST AROUND 15 MPH.

LAL.................2 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.20 PERCENT UNTIL 2400...THEN 5 PERCENT.

TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 2100...THEN 15 TO

20 MPH.

MIXING HEIGHT.......7000-8500 FT AGL UNTIL 2100. 2000-2500 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....POOR TO FAIR (36000-56000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200...THEN PARTLY CLOUDY.

ISOLATED RAIN SHOWERS UNTIL 1200...THEN

SCATTERED SHOWERS AND THUNDERSTORMS. SOME

Page 15: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

THUNDERSTORMS MAY PRODUCE GUSTY WINDS AFTER

1200. CHANCE OF PRECIPITATION 40 PERCENT.

MAX TEMPERATURE.....58-66.

24 HR TREND......UNCHANGED.

MIN HUMIDITY........40-46 PERCENT.

24 HR TREND......8 PERCENT WETTER.

20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH AND GUSTY.

RIDGE TOP WINDS.....SOUTHEAST 15 TO 20 MPH.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH.

MIXING HEIGHT.......2000-2500 FT AGL UNTIL 0900. 4000-6500 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....FAIR TO GOOD (48000-68000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING...THEN ISOLATED SHOWERS AFTER MIDNIGHT. LOWS IN THE

LOWER 40S. SOUTHEAST WINDS AROUND 10 MPH.

.TUESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS.

LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S. SOUTH WINDS AROUND

10 MPH.

.WEDNESDAY THROUGH THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...

SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 30S.

HIGHS 51 TO 56. NORTHEAST WINDS AROUND 10 MPH.

Page 16: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.

LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S.

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS IN THE

MORNING...THEN CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE

AFTERNOON. HIGHS AROUND 50.

$$

WYZ275-032230-

NORTH BIG HORN BASIN/WORLAND BLM-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.

ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.

SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS

AFTER 1200. CHANCE OF PRECIPITATION 20 PERCENT.

MAX TEMPERATURE.....65-73.

24 HR TREND......9 DEGREES COOLER.

MIN HUMIDITY........26-32 PERCENT.

24 HR TREND......19 PERCENT WETTER.

20-FOOT WINDS.......NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO

AROUND 35 MPH UNTIL 1200. UPSLOPE/UPVALLEY 5-9

MPH AFTER 1500.

RIDGE TOP WINDS.....NORTHWEST 20 TO 25 MPH UNTIL 1200...THEN 10 TO

15 MPH.

LAL.................1 UNTIL 1200...THEN 2.

CHC OF WETTING RAIN.ZERO PERCENT.

TRANSPORT WINDS.....NORTHWEST AROUND 25 MPH UNTIL 0900...THEN WEST

Page 17: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

10 TO 15 MPH.

MIXING HEIGHT.......1000-1500 FT AGL UNTIL 0900. 6500-7500 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR TO FAIR (20000-40000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND

THUNDERSTORMS UNTIL 2400. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS UNTIL 2400. CHANCE OF

PRECIPITATION 20 PERCENT.

MIN TEMPERATURE.....42-47.

24 HR TREND......UNCHANGED.

MAX HUMIDITY........74-80 PERCENT.

24 HR TREND......11 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2400...THEN

DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 0300...THEN

SOUTH AROUND 10 MPH. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 2400...THEN WEST

UNTIL 0300...THEN SOUTHEAST.

LAL.................2 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.ZERO PERCENT.

TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 2400...THEN WEST UNTIL

0300...THEN SOUTHEAST.

MIXING HEIGHT.......6500-7500 FT AGL UNTIL 2100. 1000-2000 FT AGL

Page 18: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

AFTER 0300.

SMOKE DISPERSAL.....POOR (16000-36000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AFTER 1200. CHANCE OF

PRECIPITATION 20 PERCENT.

MAX TEMPERATURE.....69-77.

24 HR TREND......4 DEGREES WARMER.

MIN HUMIDITY........25-31 PERCENT.

24 HR TREND......1 PERCENT DRIER.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900...THEN

SOUTH AROUND 10 MPH WITH HIGHER GUSTS.

RIDGE TOP WINDS.....SOUTHEAST 10 TO 15 MPH UNTIL 1200...THEN SOUTH

AROUND 20 MPH.

LAL.................1 UNTIL 1200...THEN 3.

CHC OF WETTING RAIN.ZERO PERCENT.

TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH UNTIL 1200...THEN SOUTH

15 TO 20 MPH.

MIXING HEIGHT.......1000-2000 FT AGL UNTIL 0900. 6000-8000 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR (12000-16000 KNOT-FT) UNTIL 0900...THEN

GOOD (72000-92000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

Page 19: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING. LOWS IN THE UPPER 40S. SOUTHEAST WINDS AROUND 10 MPH.

.TUESDAY...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS

IN THE MID 40S. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS THAN

10 MPH.

.WEDNESDAY THROUGH THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS

AND ISOLATED THUNDERSTORMS. LOWS 38 TO 43. HIGHS 57 TO 62. NORTH

WINDS AROUND 10 MPH.

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS AROUND 40.

HIGHS IN THE UPPER 50S.

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING...THEN

CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS

IN THE MID 50S.

$$

WYZ276-032230-

CODY FOOTHILLS-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.

ISOLATED RAIN SHOWERS. ISOLATED THUNDERSTORMS

AFTER 1200. SOME THUNDERSTORMS MAY PRODUCE

GUSTY WINDS AFTER 1200. CHANCE OF PRECIPITATION

20 PERCENT.

MAX TEMPERATURE.....61-66.

Page 20: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

24 HR TREND......10 DEGREES COOLER.

MIN HUMIDITY........32-38 PERCENT.

24 HR TREND......25 PERCENT WETTER.

20-FOOT WINDS.......NORTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND

30 MPH UNTIL 1500...THEN NORTHEAST AROUND 10

MPH AND GUSTY.

RIDGE TOP WINDS.....NORTH 20 TO 25 MPH UNTIL 1200...THEN NORTHEAST

AROUND 15 MPH.

LAL.................1 UNTIL 1200...THEN 2.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....NORTH AROUND 25 MPH UNTIL 0900...THEN WEST 10

TO 15 MPH.

MIXING HEIGHT.......1000-1500 FT AGL UNTIL 0900. 6000-7500 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR TO FAIR (28000-48000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND

THUNDERSTORMS UNTIL 2400. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS UNTIL 2400. CHANCE OF

PRECIPITATION 20 PERCENT.

MIN TEMPERATURE.....39-44.

24 HR TREND......UNCHANGED.

MAX HUMIDITY........83-89 PERCENT.

24 HR TREND......12 PERCENT WETTER.

Page 21: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH UNTIL 2100...THEN

NORTHWEST UNTIL 2400...THEN

DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 0300...THEN

SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 2400...THEN

SOUTHWEST.

LAL.................2 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.ZERO PERCENT.

TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 2400...THEN

SOUTHWEST.

MIXING HEIGHT.......6000-7500 FT AGL UNTIL 2100. 1500-2000 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....POOR (16000-32000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AFTER 1200. CHANCE OF

PRECIPITATION 40 PERCENT.

MAX TEMPERATURE.....66-71.

24 HR TREND......5 DEGREES WARMER.

MIN HUMIDITY........31-37 PERCENT.

24 HR TREND......1 PERCENT DRIER.

20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 0900...THEN

Page 22: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200...THEN

SOUTHEAST 10 TO 15 MPH WITH HIGHER GUSTS.

RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 0900...THEN

SOUTHEAST UNTIL 1200...THEN 15 TO 20 MPH.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 0900...THEN

SOUTHEAST 15 TO 20 MPH.

MIXING HEIGHT.......1500-2000 FT AGL UNTIL 0900. 7000-9000 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR (16000-18000 KNOT-FT) UNTIL 0900. VERY

GOOD (112000-124000 KNOT-FT) AFTER 1500.

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING. LOWS IN THE MID 40S. SOUTH WINDS AROUND 10 MPH.

.TUESDAY...MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS

IN THE LOWER 40S. HIGHS IN THE UPPER 60S. WINDS GENERALLY LESS THAN

10 MPH.

.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND ISOLATED

THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE UPPER 50S. NORTH WINDS

AROUND 10 MPH.

.THURSDAY...CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS AND

ISOLATED THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S.

NORTH WINDS AROUND 10 MPH.

Page 23: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.

LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S.

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS IN THE

MORNING...THEN CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE

AFTERNOON. HIGHS IN THE LOWER 50S.

$$

WYZ282-032230-

SOUTH BIG HORN BASIN/WORLAND BLM-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN CLOUDY.

ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.

SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS

AFTER 1200. CHANCE OF PRECIPITATION 20 PERCENT.

MAX TEMPERATURE.....67-72.

24 HR TREND......8 DEGREES COOLER.

MIN HUMIDITY........28-34 PERCENT.

24 HR TREND......21 PERCENT WETTER.

20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO

AROUND 25 MPH UNTIL 1200...THEN

UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500...THEN

NORTH AROUND 10 MPH.

Page 24: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 1200...THEN NORTH

10 TO 15 MPH.

LAL.................1 UNTIL 1200...THEN 2.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1500...THEN AROUND

10 MPH.

MIXING HEIGHT.......1000-1500 FT AGL UNTIL 0900. 7000-8000 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR TO FAIR (24000-44000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY.

ISOLATED THUNDERSTORMS UNTIL 2400. ISOLATED

RAIN SHOWERS. SOME THUNDERSTORMS MAY PRODUCE

GUSTY WINDS UNTIL 2400. CHANCE OF PRECIPITATION

20 PERCENT.

MIN TEMPERATURE.....42-47.

24 HR TREND......UNCHANGED.

MAX HUMIDITY........79-85 PERCENT.

24 HR TREND......13 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 2400...THEN

EAST UNTIL 0300...THEN DOWNSLOPE/DOWNVALLEY 4-7

MPH. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH UNTIL 2400...THEN

Page 25: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

SOUTHEAST.

LAL.................2 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.

MIXING HEIGHT.......7000-8000 FT AGL UNTIL 2100. 1000-2000 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....POOR TO FAIR (20000-40000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200...THEN PARTLY CLOUDY.

ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.

SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS

AFTER 1200. CHANCE OF PRECIPITATION 20 PERCENT.

MAX TEMPERATURE.....69-74.

24 HR TREND......2 DEGREES WARMER.

MIN HUMIDITY........28-34 PERCENT.

24 HR TREND......UNCHANGED.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200...THEN

SOUTHEAST AROUND 10 MPH. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200...THEN SOUTHEAST

15 TO 20 MPH.

LAL.................1 UNTIL 1200...THEN 3.

CHC OF WETTING RAIN.ZERO PERCENT.

TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.

MIXING HEIGHT.......1000-2000 FT AGL UNTIL 0900. 6500-9000 FT AGL

Page 26: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

AFTER 1500.

SMOKE DISPERSAL.....POOR TO FAIR (36000-56000 KNOT-FT) UNTIL

1500...THEN GOOD (86000-92000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING. LOWS IN THE MID 40S. SOUTHEAST WINDS AROUND 10 MPH.

.TUESDAY...PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS

IN THE MID 40S. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS THAN

10 MPH.

.WEDNESDAY THROUGH THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS

AND ISOLATED THUNDERSTORMS. LOWS 38 TO 43. HIGHS 59 TO 64. NORTH

WINDS AROUND 10 MPH.

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS AROUND 40.

HIGHS IN THE UPPER 50S.

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING...THEN

CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS

IN THE UPPER 50S.

$$

WYZ287-032230-

OWL CREEK MOUNTAINS-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN CLOUDY.

SCATTERED RAIN SHOWERS AND ISOLATED

Page 27: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AFTER 1200. CHANCE OF

PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....60-67.

24 HR TREND......8 DEGREES COOLER.

MIN HUMIDITY........33-39 PERCENT.

24 HR TREND......25 PERCENT WETTER.

20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO

AROUND 25 MPH UNTIL 0900...THEN EAST AND GUSTY.

RIDGE TOP WINDS.....NORTH 15 TO 20 MPH UNTIL 1200...THEN EAST.

LAL.................1 UNTIL 1200...THEN 2.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 15 PERCENT.

TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH UNTIL 0900...THEN

SOUTHWEST UNTIL 1500...THEN SOUTH.

MIXING HEIGHT.......1500 FT AGL UNTIL 0900. 6500-8000 FT AGL AFTER

1500.

SMOKE DISPERSAL.....POOR TO FAIR (36000-56000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND

ISOLATED THUNDERSTORMS UNTIL 2400...THEN

ISOLATED RAIN SHOWERS. SOME THUNDERSTORMS MAY

PRODUCE GUSTY WINDS UNTIL 2400. CHANCE OF

PRECIPITATION 50 PERCENT.

MIN TEMPERATURE.....39-44.

Page 28: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

24 HR TREND......1 DEGREE COOLER.

MAX HUMIDITY........84-90 PERCENT.

24 HR TREND......16 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH UNTIL 2400...THEN

DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15

MPH.

RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH UNTIL 0300...THEN

SOUTHWEST.

LAL.................2 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 2400...THEN

NORTHEAST UNTIL 0300...THEN SOUTHWEST.

MIXING HEIGHT.......6500-8000 FT AGL UNTIL 2100. 2000 FT AGL AFTER

0300.

SMOKE DISPERSAL.....POOR TO FAIR (24000-44000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200...THEN PARTLY CLOUDY.

ISOLATED RAIN SHOWERS UNTIL 1200...THEN

SCATTERED SHOWERS AND THUNDERSTORMS. SOME

THUNDERSTORMS MAY PRODUCE GUSTY WINDS AFTER

1200. CHANCE OF PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....62-69.

24 HR TREND......2 DEGREES WARMER.

Page 29: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

MIN HUMIDITY........33-39 PERCENT.

24 HR TREND......UNCHANGED.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900...THEN

SOUTH AROUND 10 MPH. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....SOUTH AROUND 15 MPH.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....SOUTH AROUND 15 MPH.

MIXING HEIGHT.......2000 FT AGL UNTIL 0900. 7500-8500 FT AGL AFTER

1500.

SMOKE DISPERSAL.....FAIR TO GOOD (58000-78000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING...THEN ISOLATED SHOWERS AFTER MIDNIGHT. LOWS IN THE MID

40S. SOUTH WINDS AROUND 10 MPH.

.TUESDAY...MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS

IN THE LOWER 40S. HIGHS IN THE MID 60S. WEST WINDS AROUND 10 MPH.

.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND ISOLATED

THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. NORTH

WINDS AROUND 10 MPH.

.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS AND

ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER

50S. NORTHEAST WINDS AROUND 10 MPH.

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.

Page 30: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S.

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS IN THE

MORNING...THEN CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE

AFTERNOON. HIGHS AROUND 50.

$$

WYZ286-032230-

ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN CLOUDY.

ISOLATED RAIN SHOWERS AND SNOW SHOWERS UNTIL

1200...THEN SCATTERED RAIN SHOWERS AND ISOLATED

THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE

GUSTY WINDS AFTER 1200. CHANCE OF PRECIPITATION

50 PERCENT.

MAX TEMPERATURE.....54-62.

24 HR TREND......6 DEGREES COOLER.

MIN HUMIDITY........29-35 PERCENT.

24 HR TREND......17 PERCENT WETTER.

20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.

RIDGE TOP WINDS.....WEST 15 TO 20 MPH.

LAL.................1 UNTIL 1200...THEN 2.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 15 PERCENT.

TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.

MIXING HEIGHT.......1500-2000 FT AGL UNTIL 0900. 7500-10000 FT AGL

AFTER 1500.

Page 31: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

SMOKE DISPERSAL.....POOR (12000-20000 KNOT-FT) UNTIL 0900...THEN

FAIR TO GOOD (56000-76000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SCATTERED RAIN SHOWERS...SNOW

SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400.

SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS

UNTIL 2400. CHANCE OF PRECIPITATION 50 PERCENT.

MIN TEMPERATURE.....31-37.

24 HR TREND......UNCHANGED.

MAX HUMIDITY........79-85 PERCENT.

24 HR TREND......5 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......EAST WINDS AROUND 10 MPH UNTIL 2100...THEN

DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15

MPH.

RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 2100...THEN EAST

UNTIL 2400...THEN SOUTH.

LAL.................2 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.

MIXING HEIGHT.......7500-10000 FT AGL UNTIL 2100. 2000-2500 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....POOR TO FAIR (30000-50000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

Page 32: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.

ISOLATED RAIN SHOWERS UNTIL 1200...THEN

SCATTERED SHOWERS AND THUNDERSTORMS. SOME

THUNDERSTORMS MAY PRODUCE GUSTY WINDS AFTER

1200. CHANCE OF PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....56-63.

24 HR TREND......2 DEGREES WARMER.

MIN HUMIDITY........31-37 PERCENT.

24 HR TREND......2 PERCENT WETTER.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200...THEN

SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 10 PERCENT.

TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.

MIXING HEIGHT.......2000-2500 FT AGL UNTIL 0900. 7500-10000 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....FAIR TO GOOD (40000-60000 KNOT-FT) UNTIL

1500...THEN GOOD TO VERY GOOD (92000-112000

KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

Page 33: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

THE EVENING...THEN ISOLATED SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT.

LOWS IN THE UPPER 30S. WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS AND

ISOLATED SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S.

WINDS GENERALLY LESS THAN 10 MPH.

.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS AND

ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER

50S. WINDS GENERALLY LESS THAN 10 MPH.

.THURSDAY...SNOW SHOWERS LIKELY WITH POSSIBLE SHOWERS AND

THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WINDS

GENERALLY LESS THAN 10 MPH.

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.

LOWS AROUND 30. HIGHS IN THE MID 40S.

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SHOWERS IN THE

MORNING...THEN CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE

AFTERNOON. HIGHS IN THE MID 40S.

$$

WYZ288-032230-

EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS UNTIL

1200. SCATTERED RAIN SHOWERS. ISOLATED

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AND SMALL HAIL AFTER

1200. CHANCE OF PRECIPITATION 50 PERCENT.

Page 34: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

MAX TEMPERATURE.....55-63.

24 HR TREND......5 DEGREES COOLER.

MIN HUMIDITY........31-37 PERCENT.

24 HR TREND......14 PERCENT WETTER.

20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30

MPH UNTIL 1200...THEN AROUND 10 MPH AND GUSTY.

RIDGE TOP WINDS.....WEST 15 TO 20 MPH.

LAL.................1 UNTIL 1200...THEN 3.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 25 PERCENT.

TRANSPORT WINDS.....WEST AROUND 20 MPH UNTIL 0900...THEN SOUTHWEST

AROUND 10 MPH.

MIXING HEIGHT.......1500-2000 FT AGL UNTIL 0900...THEN 6500-9000 FT

AGL.

SMOKE DISPERSAL.....POOR TO FAIR (30000-50000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SCATTERED RAIN SHOWERS...SNOW

SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400.

SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND

SMALL HAIL UNTIL 2400. CHANCE OF PRECIPITATION

50 PERCENT.

Page 35: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

MIN TEMPERATURE.....31-39.

24 HR TREND......2 DEGREES COOLER.

MAX HUMIDITY........79-85 PERCENT.

24 HR TREND......11 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......WEST WINDS AROUND 15 MPH AND GUSTY UNTIL

2100...THEN SOUTHEAST UNTIL 2400...THEN

DOWNSLOPE/DOWNVALLEY 4-7 MPH.

RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2100...THEN EAST

UNTIL 0300...THEN WEST.

LAL.................3 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.10 PERCENT UNTIL 2400...THEN ZERO PERCENT.

TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 2400...THEN EAST

UNTIL 0300...THEN WEST.

MIXING HEIGHT.......7000-9000 FT AGL UNTIL 2100. 2000-2500 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....POOR (18000-38000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

Page 36: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.

ISOLATED RAIN SHOWERS UNTIL 1200...THEN

SCATTERED SHOWERS AND THUNDERSTORMS. SOME

THUNDERSTORMS MAY PRODUCE GUSTY WINDS AFTER

1200. CHANCE OF PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....55-62.

24 HR TREND......UNCHANGED.

MIN HUMIDITY........35-41 PERCENT.

24 HR TREND......4 PERCENT WETTER.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500...THEN EAST

AROUND 10 MPH.

RIDGE TOP WINDS.....WEST AROUND 10 MPH UNTIL 0900...THEN NORTH

UNTIL 1200...THEN SOUTHEAST.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 15 PERCENT.

TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1200...THEN

SOUTHEAST.

MIXING HEIGHT.......2000-2500 FT AGL UNTIL 0900. 5500-8000 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR TO FAIR (36000-56000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS

IN THE EVENING...THEN ISOLATED SHOWERS AND SNOW SHOWERS AFTER

Page 37: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

MIDNIGHT. LOWS IN THE UPPER 30S. WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS AND

ISOLATED SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S.

WINDS GENERALLY LESS THAN 10 MPH.

.WEDNESDAY THROUGH THURSDAY...MOSTLY CLOUDY WITH SNOW SHOWERS LIKELY

WITH POSSIBLE SHOWERS AND THUNDERSTORMS. LOWS 32 TO 37. HIGHS 49 TO

54. SOUTHEAST WINDS AROUND 10 MPH.

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.

LOWS AROUND 30. HIGHS IN THE UPPER 40S.

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SHOWERS IN THE

MORNING...THEN CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE

AFTERNOON. HIGHS IN THE MID 40S.

$$

WYZ283-032230-

UPPER WIND RIVER BASIN/WIND RIVER BASIN-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN CLOUDY.

SCATTERED RAIN SHOWERS AND ISOLATED

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AFTER 1200. CHANCE OF

PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....66-71.

24 HR TREND......7 DEGREES COOLER.

MIN HUMIDITY........26-32 PERCENT.

24 HR TREND......17 PERCENT WETTER.

Page 38: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 0900...THEN

EAST. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 0900...THEN EAST.

LAL.................1 UNTIL 1200...THEN 2.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....NORTH AROUND 15 MPH UNTIL 0900...THEN

SOUTHWEST.

MIXING HEIGHT.......2000-2500 FT AGL UNTIL 0900. 7500-9500 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR TO FAIR (32000-52000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND

THUNDERSTORMS UNTIL 2400. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS UNTIL 2400. CHANCE OF

PRECIPITATION 20 PERCENT.

MIN TEMPERATURE.....40-46.

24 HR TREND......1 DEGREE COOLER.

MAX HUMIDITY........84-90 PERCENT.

24 HR TREND......17 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......NORTHEAST WINDS 10 TO 15 MPH AND GUSTY UNTIL

0300...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.

RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 2100...THEN

NORTHEAST.

Page 39: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

LAL.................2 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 2400...THEN

NORTHEAST.

MIXING HEIGHT.......7500-9500 FT AGL UNTIL 2100. 2000-2500 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....POOR TO FAIR (20000-40000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AFTER 1200. CHANCE OF

PRECIPITATION 20 PERCENT.

MAX TEMPERATURE.....67-72.

24 HR TREND......1 DEGREE WARMER.

MIN HUMIDITY........28-34 PERCENT.

24 HR TREND......1 PERCENT WETTER.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500...THEN

SOUTHEAST AROUND 10 MPH. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....SOUTHEAST 10 TO 15 MPH.

LAL.................1 UNTIL 1200...THEN 3.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.

MIXING HEIGHT.......2000-2500 FT AGL UNTIL 0900. 7000-8500 FT AGL

AFTER 1500.

Page 40: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

SMOKE DISPERSAL.....FAIR TO GOOD (48000-68000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING...THEN ISOLATED SHOWERS AFTER MIDNIGHT. LOWS IN THE MID

40S. SOUTHEAST WINDS AROUND 10 MPH.

.TUESDAY...MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS

IN THE MID 40S. HIGHS IN THE UPPER 60S. WINDS GENERALLY LESS THAN

10 MPH.

.WEDNESDAY THROUGH THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS

AND ISOLATED THUNDERSTORMS. LOWS 39 TO 44. HIGHS 58 TO 63. NORTHEAST

WINDS AROUND 10 MPH.

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.

LOWS IN THE UPPER 30S. HIGHS IN THE MID 50S.

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING...THEN

CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS

IN THE MID 50S.

$$

WYZ289-032230-

GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN CLOUDY.

ISOLATED RAIN SHOWERS UNTIL 1200...THEN

SCATTERED RAIN SHOWERS AND ISOLATED

Page 41: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE

GUSTY WINDS AND SMALL HAIL AFTER 1200. CHANCE

OF PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....64-69.

24 HR TREND......6 DEGREES COOLER.

MIN HUMIDITY........28-34 PERCENT.

24 HR TREND......17 PERCENT WETTER.

20-FOOT WINDS.......WEST WINDS AROUND 15 MPH UNTIL 0900...THEN 10

TO 15 MPH. GUSTS UP TO 20 MPH.

RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 1500...THEN

NORTH.

LAL.................1 UNTIL 1200...THEN 3.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 15 PERCENT.

TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1500...THEN SOUTHWEST

AROUND 10 MPH.

MIXING HEIGHT.......2000-2500 FT AGL UNTIL 0900. 7500-9500 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR (24000-28000 KNOT-FT) UNTIL 0900...THEN

FAIR TO GOOD (54000-74000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY.

SCATTERED RAIN SHOWERS AND ISOLATED

THUNDERSTORMS UNTIL 2400...THEN ISOLATED RAIN

SHOWERS. SOME THUNDERSTORMS MAY PRODUCE GUSTY

Page 42: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

WINDS AND SMALL HAIL UNTIL 2400. CHANCE OF

PRECIPITATION 50 PERCENT.

MIN TEMPERATURE.....38-43.

24 HR TREND......2 DEGREES COOLER.

MAX HUMIDITY........89-95 PERCENT.

24 HR TREND......17 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......NORTH WINDS AROUND 15 MPH UNTIL 2400...THEN

NORTHEAST. GUSTS UP TO 20 MPH.

RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2100...THEN

NORTHEAST.

LAL.................3 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.10 PERCENT UNTIL 2400...THEN ZERO PERCENT.

TRANSPORT WINDS.....WEST AROUND 5 MPH UNTIL 2100...THEN SOUTHEAST

UNTIL 2400...THEN NORTHEAST 10 TO 15 MPH.

MIXING HEIGHT.......7500-9500 FT AGL UNTIL 2100. 2000-2500 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....POOR TO FAIR (28000-48000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.

SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.

SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS

AFTER 1200. CHANCE OF PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....64-69.

Page 43: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

24 HR TREND......UNCHANGED.

MIN HUMIDITY........36-42 PERCENT.

24 HR TREND......7 PERCENT WETTER.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500...THEN EAST

AROUND 10 MPH.

RIDGE TOP WINDS.....EAST 10 TO 15 MPH.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 10 PERCENT.

TRANSPORT WINDS.....EAST 10 TO 15 MPH.

MIXING HEIGHT.......2000-2500 FT AGL UNTIL 0900. 6500-9000 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR TO FAIR (30000-50000 KNOT-FT) UNTIL

1500...THEN GOOD (88000-94000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS

IN THE EVENING. LOWS IN THE LOWER 40S. SOUTHEAST WINDS AROUND

10 MPH.

Page 44: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

.TUESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS.

LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND

10 MPH.

.WEDNESDAY THROUGH THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS

AND ISOLATED THUNDERSTORMS. LOWS 37 TO 42. HIGHS IN THE UPPER 50S.

SOUTHEAST WINDS AROUND 10 MPH.

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS AND

ISOLATED THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE MID 50S.

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING...THEN

CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS

IN THE LOWER 50S.

$$

WYZ277-032230-

LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........CLOUDY. SCATTERED RAIN SHOWERS. SCATTERED

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AND SMALL HAIL AFTER

1200. CHANCE OF PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....63-68.

24 HR TREND......4 DEGREES COOLER.

MIN HUMIDITY........27-33 PERCENT.

24 HR TREND......10 PERCENT WETTER.

20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH UNTIL 1500...THEN

AROUND 20 MPH. GUSTS UP TO 20 MPH UNTIL

Page 45: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

1500...THEN 30 MPH.

RIDGE TOP WINDS.....WEST AROUND 15 MPH UNTIL 1500...THEN AROUND 25

MPH.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 15 PERCENT.

TRANSPORT WINDS.....WEST 15 TO 20 MPH.

MIXING HEIGHT.......1500-2000 FT AGL UNTIL 0900. 10000-11000 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR (16000-18000 KNOT-FT) UNTIL 0900...THEN

VERY GOOD (102000-118000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND

THUNDERSTORMS UNTIL 2400. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AND SMALL HAIL UNTIL

2400. CHANCE OF PRECIPITATION 20 PERCENT.

MIN TEMPERATURE.....33-38.

24 HR TREND......4 DEGREES COOLER.

MAX HUMIDITY........82-88 PERCENT.

24 HR TREND......3 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 2100...THEN

NORTHEAST UNTIL 0300...THEN

DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 20

MPH UNTIL 2400.

Page 46: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 0300...THEN

NORTHEAST.

LAL.................2 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 2400...THEN NORTH.

MIXING HEIGHT.......10000-11000 FT AGL UNTIL 2100. 2500-3000 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....VERY GOOD (106000-118000 KNOT-FT) UNTIL

2100...THEN POOR TO FAIR (26000-46000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200...THEN PARTLY CLOUDY.

ISOLATED RAIN SHOWERS UNTIL 1200...THEN

SCATTERED SHOWERS AND THUNDERSTORMS. SOME

THUNDERSTORMS MAY PRODUCE GUSTY WINDS AFTER

1200. CHANCE OF PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....63-68.

24 HR TREND......UNCHANGED.

Page 47: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

MIN HUMIDITY........29-35 PERCENT.

24 HR TREND......2 PERCENT WETTER.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500...THEN

SOUTH AROUND 15 MPH WITH HIGHER GUSTS.

RIDGE TOP WINDS.....NORTHEAST AROUND 10 MPH UNTIL 1200. SOUTH AFTER

1500.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 10 PERCENT.

TRANSPORT WINDS.....EAST 10 TO 15 MPH UNTIL 1500...THEN SOUTH.

MIXING HEIGHT.......2500-3000 FT AGL UNTIL 0900. 7500-9500 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....FAIR TO GOOD (42000-62000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...MOSTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING...THEN ISOLATED SHOWERS AFTER MIDNIGHT. LOWS IN THE MID

30S. NORTH WINDS AROUND 10 MPH.

.TUESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS.

LOWS IN THE MID 30S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND

10 MPH.

.WEDNESDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS...SNOW SHOWERS AND

ISOLATED THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S.

WINDS GENERALLY LESS THAN 10 MPH.

.THURSDAY...PARTLY CLOUDY. CHANCE OF SHOWERS...SNOW SHOWERS AND

ISOLATED THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S.

Page 48: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

SOUTH WINDS AROUND 10 MPH.

.FRIDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS WITH POSSIBLE SNOW

SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE MID

50S.

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS IN THE

MORNING...THEN CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE

AFTERNOON. HIGHS IN THE LOWER 50S.

$$

WYZ278-032230-

UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW

SHOWERS UNTIL 1200...THEN SCATTERED SHOWERS AND

THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE

GUSTY WINDS AND SMALL HAIL AFTER 1200. CHANCE

OF PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....62-67.

24 HR TREND......5 DEGREES COOLER.

MIN HUMIDITY........26-32 PERCENT.

24 HR TREND......13 PERCENT WETTER.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900...THEN

SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.

RIDGE TOP WINDS.....WEST 10 TO 15 MPH UNTIL 1500...THEN AROUND 20

MPH.

LAL.................1 UNTIL 1200...THEN 4.

Page 49: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 10 PERCENT.

TRANSPORT WINDS.....WEST 10 TO 15 MPH.

MIXING HEIGHT.......1500-2000 FT AGL UNTIL 0900. 7500-10000 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR (10000-12000 KNOT-FT) UNTIL 0900...THEN

FAIR TO GOOD (48000-68000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND

THUNDERSTORMS UNTIL 2400. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AND SMALL HAIL UNTIL

2400. CHANCE OF PRECIPITATION 20 PERCENT.

MIN TEMPERATURE.....32-38.

24 HR TREND......3 DEGREES COOLER.

MAX HUMIDITY........80-86 PERCENT.

24 HR TREND......2 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH AND GUSTY UNTIL

2400...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL

0300...THEN EAST AROUND 10 MPH.

RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400...THEN

NORTHEAST.

LAL.................3 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....WEST AROUND 5 MPH UNTIL 2400...THEN NORTHEAST.

Page 50: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

MIXING HEIGHT.......7500-10000 FT AGL UNTIL 2100. 2000-2500 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....POOR TO FAIR (24000-44000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.

ISOLATED RAIN SHOWERS UNTIL 1200...THEN

SCATTERED SHOWERS AND THUNDERSTORMS. SOME

THUNDERSTORMS MAY PRODUCE GUSTY WINDS AFTER

1200. CHANCE OF PRECIPITATION 40 PERCENT.

MAX TEMPERATURE.....63-68.

24 HR TREND......1 DEGREE WARMER.

MIN HUMIDITY........24-30 PERCENT.

24 HR TREND......1 PERCENT DRIER.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500...THEN

SOUTHWEST AROUND 10 MPH AND GUSTY.

RIDGE TOP WINDS.....NORTHEAST AROUND 10 MPH UNTIL 0900...THEN

SOUTHEAST.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 0900...THEN

SOUTHEAST.

MIXING HEIGHT.......2000-2500 FT AGL UNTIL 0900. 7500-10000 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....FAIR TO GOOD (46000-66000 KNOT-FT).

Page 51: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...MOSTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING...THEN ISOLATED SHOWERS AFTER MIDNIGHT. LOWS IN THE MID

30S. NORTH WINDS AROUND 10 MPH.

.TUESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS.

LOWS IN THE MID 30S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND

10 MPH.

.WEDNESDAY THROUGH THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...

SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS 34 TO 39. HIGHS IN THE

UPPER 50S. SOUTH WINDS AROUND 10 MPH.

.FRIDAY THROUGH SATURDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...

SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 30S.

HIGHS 51 TO 56.

$$

WYZ279-032230-

SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS.

SCATTERED THUNDERSTORMS AFTER 1200. SOME

THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND SMALL

HAIL AFTER 1200. CHANCE OF PRECIPITATION 50

PERCENT.

MAX TEMPERATURE.....65-70.

Page 52: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

24 HR TREND......3 DEGREES COOLER.

MIN HUMIDITY........27-33 PERCENT.

24 HR TREND......11 PERCENT WETTER.

20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY UNTIL

1500...THEN SOUTHWEST AROUND 20 MPH WITH GUSTS

TO AROUND 30 MPH.

RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1500...THEN AROUND

20 MPH.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 15 PERCENT.

TRANSPORT WINDS.....WEST 10 TO 15 MPH.

MIXING HEIGHT.......1500-2000 FT AGL UNTIL 0900. 8500-11000 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....FAIR TO GOOD (54000-74000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY.

ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400.

SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND

SMALL HAIL UNTIL 2400. CHANCE OF PRECIPITATION

20 PERCENT.

MIN TEMPERATURE.....37-42.

24 HR TREND......3 DEGREES COOLER.

MAX HUMIDITY........84-90 PERCENT.

24 HR TREND......7 PERCENT WETTER.

Page 53: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND

25 MPH UNTIL 2100...THEN NORTHWEST WITH GUSTS

TO AROUND 15 MPH UNTIL 2400...THEN EAST UNTIL

0300...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.

RIDGE TOP WINDS.....WEST AROUND 20 MPH UNTIL 2100...THEN AROUND 10

MPH UNTIL 2400...THEN EAST.

LAL.................3 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 2400...THEN EAST.

MIXING HEIGHT.......8500-11000 FT AGL UNTIL 2100. 2500 FT AGL AFTER

0300.

SMOKE DISPERSAL.....GOOD (78000-96000 KNOT-FT) UNTIL 2100...THEN

POOR (20000-32000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.

ISOLATED RAIN SHOWERS UNTIL 1200...THEN

SCATTERED SHOWERS AND THUNDERSTORMS. SOME

THUNDERSTORMS MAY PRODUCE GUSTY WINDS AFTER

1200. CHANCE OF PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....64-69.

24 HR TREND......1 DEGREE COOLER.

MIN HUMIDITY........31-37 PERCENT.

24 HR TREND......3 PERCENT WETTER.

Page 54: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500...THEN

SOUTHEAST AROUND 10 MPH.

RIDGE TOP WINDS.....SOUTHEAST 10 TO 15 MPH.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 10 PERCENT.

TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.

MIXING HEIGHT.......2500 FT AGL UNTIL 0900. 9000-10000 FT AGL AFTER

1500.

SMOKE DISPERSAL.....FAIR TO GOOD (58000-78000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS

IN THE EVENING. LOWS IN THE LOWER 40S. SOUTHEAST WINDS AROUND

10 MPH.

.TUESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS.

LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S. WEST WINDS AROUND

10 MPH.

.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND ISOLATED

THUNDERSTORMS. LOWS AROUND 40. HIGHS AROUND 60. SOUTHWEST WINDS

AROUND 10 MPH.

.THURSDAY...PARTLY CLOUDY. CHANCE OF SHOWERS AND ISOLATED

THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS AROUND 60. SOUTH WINDS

AROUND 10 MPH.

.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS...SNOW SHOWERS

AND ISOLATED THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE UPPER

Page 55: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

50S.

.SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE MORNING...

THEN CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.

HIGHS IN THE LOWER 50S.

$$

WYZ415-032230-

NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN CLOUDY.

ISOLATED RAIN SHOWERS AND SNOW SHOWERS UNTIL

1200...THEN SCATTERED SHOWERS AND

THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE

GUSTY WINDS AND SMALL HAIL AFTER 1200. CHANCE

OF PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....54-62.

24 HR TREND......5 DEGREES COOLER.

MIN HUMIDITY........28-34 PERCENT.

24 HR TREND......12 PERCENT WETTER.

20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.

RIDGE TOP WINDS.....WEST 15 TO 20 MPH.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....WEST 10 TO 15 MPH.

MIXING HEIGHT.......1500-2000 FT AGL UNTIL 0900. 9500-11000 FT AGL

AFTER 1500.

Page 56: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

SMOKE DISPERSAL.....POOR (14000-20000 KNOT-FT) UNTIL 0900...THEN

GOOD (70000-90000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN

SHOWERS...THUNDERSTORMS AND SNOW SHOWERS UNTIL

2400. SOME THUNDERSTORMS MAY PRODUCE GUSTY

WINDS AND SMALL HAIL UNTIL 2400. CHANCE OF

PRECIPITATION 20 PERCENT.

MIN TEMPERATURE.....30-35.

24 HR TREND......3 DEGREES COOLER.

MAX HUMIDITY........77-83 PERCENT.

24 HR TREND......5 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH UNTIL 2100...THEN

DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400...THEN

SOUTHEAST AROUND 10 MPH.

RIDGE TOP WINDS.....WEST 10 TO 15 MPH UNTIL 2400...THEN SOUTHEAST.

LAL.................3 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.ZERO PERCENT.

TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 2400...THEN

SOUTHEAST.

MIXING HEIGHT.......9500-11000 FT AGL UNTIL 2100. 2000-2500 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....POOR TO FAIR (30000-50000 KNOT-FT).

Page 57: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS UNTIL

1200...THEN SCATTERED SHOWERS AND

THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE

GUSTY WINDS AFTER 1200. CHANCE OF PRECIPITATION

40 PERCENT.

MAX TEMPERATURE.....57-65.

24 HR TREND......3 DEGREES WARMER.

MIN HUMIDITY........28-34 PERCENT.

24 HR TREND......UNCHANGED.

20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH UNTIL 0900...THEN

UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200...THEN

SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 1200...THEN

SOUTHWEST.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200...THEN WEST.

MIXING HEIGHT.......2000-2500 FT AGL UNTIL 0900. 9000-11000 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....FAIR TO GOOD (42000-62000 KNOT-FT) UNTIL

1500...THEN VERY GOOD (118000-130000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

Page 58: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING. LOWS IN THE LOWER 30S. WINDS GENERALLY LESS THAN

10 MPH.

.TUESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS AND

ISOLATED SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER

50S. WINDS GENERALLY LESS THAN 10 MPH.

.WEDNESDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS...SNOW SHOWERS AND

ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER

50S. WINDS GENERALLY LESS THAN 10 MPH.

.THURSDAY...SHOWERS...SNOW SHOWERS LIKELY AND ISOLATED

THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 50S. WINDS

GENERALLY LESS THAN 10 MPH.

.FRIDAY THROUGH SATURDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...

SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 20S.

HIGHS 46 TO 51.

$$

WYZ414-032230-

SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS UNTIL

1200. SCATTERED RAIN SHOWERS. SCATTERED

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AND SMALL HAIL AFTER

1200. CHANCE OF PRECIPITATION 50 PERCENT.

Page 59: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

MAX TEMPERATURE.....57-65.

24 HR TREND......4 DEGREES COOLER.

MIN HUMIDITY........33-39 PERCENT.

24 HR TREND......12 PERCENT WETTER.

20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.

RIDGE TOP WINDS.....WEST 10 TO 15 MPH UNTIL 1500...THEN AROUND 20

MPH.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 15 PERCENT.

TRANSPORT WINDS.....WEST 10 TO 15 MPH.

MIXING HEIGHT.......2000-2500 FT AGL UNTIL 0900. 9000-10500 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR (16000-20000 KNOT-FT) UNTIL 0900...THEN

GOOD (70000-90000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND

THUNDERSTORMS UNTIL 2400. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AND SMALL HAIL UNTIL

2400. CHANCE OF PRECIPITATION 20 PERCENT.

MIN TEMPERATURE.....30-35.

24 HR TREND......3 DEGREES COOLER.

MAX HUMIDITY........80-86 PERCENT.

24 HR TREND......1 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

Page 60: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY UNTIL

2100...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.

RIDGE TOP WINDS.....WEST 10 TO 15 MPH UNTIL 2400...THEN EAST.

LAL.................3 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 2400...THEN EAST.

MIXING HEIGHT.......9000-10500 FT AGL UNTIL 2100. 2500 FT AGL AFTER

0300.

SMOKE DISPERSAL.....POOR TO FAIR (32000-52000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.

ISOLATED RAIN SHOWERS UNTIL 1200...THEN

SCATTERED SHOWERS AND THUNDERSTORMS. SOME

THUNDERSTORMS MAY PRODUCE GUSTY WINDS AFTER

1200. CHANCE OF PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....58-66.

24 HR TREND......1 DEGREE WARMER.

MIN HUMIDITY........36-42 PERCENT.

24 HR TREND......2 PERCENT WETTER.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500...THEN

SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 1500...THEN

SOUTHWEST.

LAL.................1 UNTIL 1200...THEN 4.

Page 61: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 15 PERCENT.

TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 1500...THEN

SOUTHWEST.

MIXING HEIGHT.......2500 FT AGL UNTIL 0900. 6000-8500 FT AGL AFTER

1500.

SMOKE DISPERSAL.....POOR TO FAIR (22000-42000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING...THEN ISOLATED SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT.

LOWS IN THE LOWER 30S. WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS AND

ISOLATED SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER

50S. WEST WINDS AROUND 10 MPH.

.WEDNESDAY THROUGH THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...

SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 30S.

HIGHS IN THE MID 50S. SOUTH WINDS AROUND 10 MPH.

Page 62: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

.FRIDAY THROUGH SATURDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...

SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 20S.

HIGHS 47 TO 52.

$$

WYZ416-032230-

WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........CLOUDY. ISOLATED SNOW SHOWERS UNTIL 1200.

SCATTERED RAIN SHOWERS. SCATTERED THUNDERSTORMS

AFTER 1200. SOME THUNDERSTORMS MAY PRODUCE

GUSTY WINDS AND SMALL HAIL AFTER 1200. CHANCE

OF PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....52-59.

24 HR TREND......5 DEGREES COOLER.

MIN HUMIDITY........31-37 PERCENT.

24 HR TREND......13 PERCENT WETTER.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900...THEN

SOUTHWEST AROUND 10 MPH WITH HIGHER GUSTS.

RIDGE TOP WINDS.....SOUTH AROUND 10 MPH UNTIL 0900...THEN WEST.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 20 PERCENT.

TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.

MIXING HEIGHT.......1500-2000 FT AGL UNTIL 0900...THEN 6500-9000 FT

AGL.

SMOKE DISPERSAL.....FAIR TO GOOD (42000-62000 KNOT-FT).

Page 63: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SCATTERED RAIN

SHOWERS...THUNDERSTORMS AND SNOW SHOWERS UNTIL

2400. SOME THUNDERSTORMS MAY PRODUCE GUSTY

WINDS AND SMALL HAIL UNTIL 2400. CHANCE OF

PRECIPITATION 50 PERCENT.

MIN TEMPERATURE.....29-35.

24 HR TREND......2 DEGREES COOLER.

MAX HUMIDITY........70-76 PERCENT.

24 HR TREND......2 PERCENT WETTER.

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2400...THEN

DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15

MPH.

RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 2400...THEN EAST.

LAL.................4 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 2400...THEN EAST.

MIXING HEIGHT.......6500-9000 FT AGL UNTIL 2100. 2000-2500 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....POOR (18000-38000 KNOT-FT).

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME

DOMINATED FIRE GROWTH.

.MONDAY...

Page 64: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.

ISOLATED RAIN SHOWERS AND SNOW SHOWERS UNTIL

1200...THEN SCATTERED SHOWERS AND

THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE

GUSTY WINDS AFTER 1200. CHANCE OF PRECIPITATION

50 PERCENT.

MAX TEMPERATURE.....55-62.

24 HR TREND......2 DEGREES WARMER.

MIN HUMIDITY........30-36 PERCENT.

24 HR TREND......2 PERCENT DRIER.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.

RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH UNTIL 0900...THEN

SOUTHWEST.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 10 PERCENT.

TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 0900...THEN

SOUTHWEST.

MIXING HEIGHT.......2000-2500 FT AGL UNTIL 0900. 7000-8500 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR TO FAIR (26000-46000 KNOT-FT) UNTIL

1500...THEN GOOD (78000-90000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS

IN THE EVENING...THEN ISOLATED SHOWERS AND SNOW SHOWERS AFTER

Page 65: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

MIDNIGHT. LOWS IN THE LOWER 30S. WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS AND

ISOLATED SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S.

WINDS GENERALLY LESS THAN 10 MPH.

.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS AND

ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER

50S. SOUTHWEST WINDS AROUND 10 MPH.

.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS AND

ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS AROUND 50.

SOUTH WINDS AROUND 10 MPH.

.FRIDAY THROUGH SATURDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...

SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 20S.

HIGHS 44 TO 49.

$$

WYZ140-032230-

YELLOWSTONE NATIONAL PARK-

INCLUDING...LAKE...MAMMOTH...OLD FAITHFUL

317 AM MDT SUN MAY 3 2015

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.

SCATTERED RAIN SHOWERS AND ISOLATED

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AND SMALL HAIL AFTER

1200. CHANCE OF PRECIPITATION 50 PERCENT.

MAX TEMPERATURE.....55-62.

24 HR TREND......4 DEGREES COOLER.

Page 66: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

MIN HUMIDITY........24-30 PERCENT.

24 HR TREND......11 PERCENT WETTER.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200...THEN WEST

AROUND 15 MPH WITH GUSTS TO AROUND 25 MPH.

RIDGE TOP WINDS.....EAST AROUND 10 MPH UNTIL 0900...THEN SOUTHWEST

UNTIL 1200...THEN WEST AROUND 20 MPH.

LAL.................1 UNTIL 1200...THEN 3.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....EAST AROUND 10 MPH UNTIL 0900...THEN SOUTHWEST

15 TO 20 MPH.

MIXING HEIGHT.......1500 FT AGL UNTIL 0900. 9500-10500 FT AGL AFTER

1500.

SMOKE DISPERSAL.....POOR (8000-12000 KNOT-FT) UNTIL 0900...THEN

GOOD (72000-92000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY.

SCATTERED SNOW SHOWERS...ISOLATED SHOWERS AND

THUNDERSTORMS UNTIL 2400. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AND SMALL HAIL UNTIL

2400. CHANCE OF PRECIPITATION 40 PERCENT.

MIN TEMPERATURE.....29-34.

24 HR TREND......UNCHANGED.

MAX HUMIDITY........83-89 PERCENT.

24 HR TREND......4 PERCENT WETTER.

Page 67: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

HUMIDITY RECOVERY...EXCELLENT.

20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 2100...THEN

DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400...THEN

SOUTHEAST AROUND 10 MPH. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....WEST AROUND 15 MPH UNTIL 2100...THEN NORTH

UNTIL 2400...THEN SOUTHEAST.

LAL.................3 UNTIL 2400...THEN 1.

CHC OF WETTING RAIN.ZERO PERCENT.

TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 2100...THEN NORTHEAST

UNTIL 2400...THEN SOUTHEAST.

MIXING HEIGHT.......9500-10500 FT AGL UNTIL 2100. 2000-2500 FT AGL

AFTER 0300.

SMOKE DISPERSAL.....GOOD (74000-88000 KNOT-FT) UNTIL 2100...THEN

POOR (20000-28000 KNOT-FT).

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND

THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS

MAY PRODUCE GUSTY WINDS AFTER 1200. CHANCE OF

PRECIPITATION 40 PERCENT.

MAX TEMPERATURE.....58-63.

24 HR TREND......2 DEGREES WARMER.

MIN HUMIDITY........26-32 PERCENT.

24 HR TREND......3 PERCENT WETTER.

20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900...THEN

Page 68: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.

RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.

LAL.................1 UNTIL 1200...THEN 4.

CHC OF WETTING RAIN.LESS THAN 5 PERCENT.

TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200...THEN SOUTHWEST

AROUND 20 MPH.

MIXING HEIGHT.......2000-2500 FT AGL UNTIL 0900. 10500-11000 FT AGL

AFTER 1500.

SMOKE DISPERSAL.....POOR (20000-22000 KNOT-FT) UNTIL 0900. VERY

GOOD (136000-146000 KNOT-FT) AFTER 1500.

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED

FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 7......

.MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN

THE EVENING. LOWS IN THE MID 30S. WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...MOSTLY CLOUDY. SCATTERED SHOWERS...THUNDERSTORMS AND

ISOLATED SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER

50S. WINDS GENERALLY LESS THAN 10 MPH.

.WEDNESDAY...MOSTLY CLOUDY. SNOW SHOWERS LIKELY WITH POSSIBLE

SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER

50S. WINDS GENERALLY LESS THAN 10 MPH.

.THURSDAY...SHOWERS...SNOW SHOWERS LIKELY AND ISOLATED

THUNDERSTORMS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S. WINDS

GENERALLY LESS THAN 10 MPH.

.FRIDAY THROUGH SATURDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...

SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 20S.

Page 69: NWS Riverton Fire Weather Forecast 03:08 AM EST Thu Apr 30 2015

HIGHS 45 TO 50.

$$

$$

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