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Gray, ME Weather Forecast Office
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3/14/2017 8:51 AM
Major Winter
Storm Decision Support Briefing # 4
As of 7:30 AM Tuesday, March 14th
Gray, ME
County Warning Area
What Has Changed?
Storm Warning issued for Penobscot Bay
May see some sleet or possibly a little rain
along the immediate coast
Winter Storm
Warning
Gray, ME Weather Forecast Office
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Main Points
Hazard Impacts Location Timing
Snow 10 to 20 inches of snow
2-3 inches per hour this
afternoon/evening
All of New Hampshire
and Western Maine
Today into Tonight
(heaviest this afternoon and evening)
Ice Significant icing is NOT
expected Significant icing is NOT
expected
Significant icing is NOT
expected
Wind
Widespread gusts to 30 mph
with gusts as high as 50 mph
near the coast. Blizzard
conditions expected with power
outages possible
All of New Hampshire
and Western Maine,
but strongest along the
coast
Strongest wind gusts this afternoon and tonight
Storm Surge/
Inundation Splash-over, beach erosion, and minor coastal flooding possible
New Hampshire
Seacoast and SW Maine This afternoon high tide
Marine Storm force winds likely outer waters. Gales likely in the bays
Strongest gusts outside the bays
This afternoon into evening
Gray, ME Weather Forecast Office
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3/14/2017 8:51 AM
Ice: None Expected
Winds: Strongest along the coast
Surge/Inundation: Greatest south of Portland
Marine: Strong winds
Heavy Snow: Western Maine and NH
None Limited Elevated Significant Extreme
Summary of Greatest Impacts
None Limited Elevated Significant Extreme
None Limited Elevated Significant Extreme
None Limited Elevated Significant Extreme
None Limited Elevated Significant Extreme
Gray, ME Weather Forecast Office
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3/14/2017 8:51 AM
Storm Confidence: High confidence for a high
impact winter storm
Find the most up to date
snowfall map, click here
Storm Total Snowfall Forecast
Gray, ME Weather Forecast Office
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3/14/2017 8:51 AM
Expect at least this much Potential for this much
Most Likely
Probabilistic Snowfall Forecast
Gray, ME Weather Forecast Office
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3/14/2017 8:51 AM
Snow Starting & Ending Times
Note: Snow showers will persist in the mountains and foothills Wednesday.
Start Time End Time
Gray, ME Weather Forecast Office
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3/14/2017 8:51 AM
Impacts and Timing: This afternoon into
Tonight
Blowing/Drifting Snow
with blizzard conditions
at times.
Downed branches may
lead to power outages
Drifting snow will cause
highly variable road
conditions
Maximum Wind Gust
Today and Tonight
Gray, ME Weather Forecast Office
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3/14/2017 8:51 AM
What to Expect: Building nearshore
waves will allow for
beach erosion,
splash-over and
possibly minor
coastal flooding
around the time of
high tide Tuesday
Portland, ME Hampton, NH
Time 1:18 PM Today 1:32 PM Today
Astronomical
Tide
10.0 ft 9.1 ft
Storm Surge Around 1 ft Around 1.5 ft
Nearshore
Waves
Near 14 ft Near 14 ft
Impact Beach erosion,
splash-over and
minor coastal
flooding possible
Beach erosion,
splash-over and
minor coastal
flooding possible
Coastal Impacts Monday
Gray, ME Weather Forecast Office
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3/14/2017 8:51 AM
Major Winter Storm likely Today into Tonight
Confidence is HIGH that this event will occur and MODERATE - HIGH
on expected impacts
Period of greatest impact: This afternoon and evening
Snow totals of 10 to 20 inches are expected, slightly less along
the mid-coast of Maine
Snowfall rates of 2 to 3 inches per hour this afternoon and
evening
Very strong northeast winds will cause blizzard or near-blizzard
conditions
Some splash-over and coastal erosion possible
Event Summary
Gray, ME Weather Forecast Office
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3/14/2017 8:51 AM
Contact and Next Briefing Information
Briefing Webpage:
http://www.weather.gov/gyx/EMhome
Next Briefing When: By 5 pm on 3/14/2017
Method: E-mail
Web:
http://weather.gov/gyx
Phone (public):
(207) 688-3216
E-mail:
Facebook:
NWSGray
Twitter:
@NWSGray
YouTube:
NWS
Disclaimer: The information contained within this briefing
is time-sensitive, do not use after 5 pm March 14th