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WHAT AFFECTS LAKE EFFECT SNOW Jose Lerma
Severe Weather
DOES THE SIZE OF THE LAKE AFFECT THE AMOUNT OF SNOW PRODUCED IN A LAKE EFFECT
SNOW EVENT?
WHAT IS LAKE EFFECT SNOW?
Cold winds move over warm lake water
Picks up water vapor
Freezes and is deposited as snow on the leeward shores.
LAKE SUPERIOR
Area: 31,700 sq. milesMean depth: 483 feet
LAKE MICHIGAN
Area: 22,390 sq. milesMean depth: 279 feet
LAKE ONTARIO
Area: 7,320 sq. milesMean depth: 283 feet
SNOW BELT
1/14
/200
7
2/18
/200
7
3/25
/200
7
4/29
/200
7
6/3/
2007
7/8/
2007
8/12
/200
7
9/16
/200
7
10/2
1/20
07
11/2
5/20
07
12/3
0/20
07
2/3/
2008
3/9/
2008
4/13
/200
8
5/18
/200
8
6/22
/200
8
7/27
/200
8
8/31
/200
8
10/5
/200
8
11/9
/200
8
12/1
4/20
08
1/18
/200
9
2/22
/200
9
3/29
/200
9
5/3/
2009
6/7/
2009
7/12
/200
9
8/16
/200
9
9/20
/200
9
10/2
5/20
09
11/2
9/20
09
1/3/
2010
2/7/
2010
3/14
/201
0
4/18
/201
0
5/23
/201
0
6/27
/201
0
8/1/
2010
9/5/
2010
10/1
0/20
10
11/1
4/20
10
12/1
9/20
10
1/23
/201
1
2/27
/201
1
4/3/
2011
5/8/
2011
6/12
/201
1
7/17
/201
1
8/21
/201
1
9/25
/201
1
10/3
0/20
11
12/4
/201
1
1/8/
2012
2/12
/201
2
0.00
5.00
10.00
15.00
20.00
25.00
30.00
Snow Fall Totals
Lake Superior Lake Michigan Lake Ontario
Dates
Tota
ls (
inch
es)
1/14/2
007
3/4/2
007
4/22/2
007
6/10/2
007
7/29/2
007
9/16/2
007
11/4/2
007
12/23/2
007
2/10/2
008
3/30/2
008
5/18/2
008
7/6/2
008
8/24/2
008
10/12/2
008
11/30/2
008
1/18/2
009
3/8/2
009
4/26/2
009
6/14/2
009
8/2/2
009
9/20/2
009
11/8/2
009
12/27/2
009
2/14/2
010
4/4/2
010
5/23/2
010
7/11/2
010
8/29/2
010
10/17/2
010
12/5/2
010
1/23/2
011
3/13/2
011
5/1/2
011
6/19/2
011
8/7/2
011
9/25/2
011
11/13/2
011
1/1/2
012
0.00
5.00
10.00
15.00
20.00
25.00
30.00
Lake Superior - Snowfall Total
Date
Sn
ow
fall T
ota
l
1/14/2
007
3/4/2
007
4/22/2
007
6/10/2
007
7/29/2
007
9/16/2
007
11/4/2
007
12/23/2
007
2/10/2
008
3/30/2
008
5/18/2
008
7/6/2
008
8/24/2
008
10/12/2
008
11/30/2
008
1/18/2
009
3/8/2
009
4/26/2
009
6/14/2
009
8/2/2
009
9/20/2
009
11/8/2
009
12/27/2
009
2/14/2
010
4/4/2
010
5/23/2
010
7/11/2
010
8/29/2
010
10/17/2
010
12/5/2
010
1/23/2
011
3/13/2
011
5/1/2
011
6/19/2
011
8/7/2
011
9/25/2
011
11/13/2
011
1/1/2
012
0.00
5.00
10.00
15.00
20.00
25.00
30.00
Lake Superior - Snowfall Total
Date
Sn
ow
fall T
ota
l
1/29/2
007
3/12/2
007
4/23/2
007
6/4/2
007
7/16/2
007
8/27/2
007
10/8/2
007
11/19/2
007
12/31/2
007
2/11/2
008
3/24/2
008
5/5/2
008
6/16/2
008
7/28/2
008
9/8/2
008
10/20/2
008
12/1/2
008
1/12/2
009
2/23/2
009
4/6/2
009
5/18/2
009
6/29/2
009
8/10/2
009
9/21/2
009
11/2/2
009
12/14/2
009
1/25/2
010
3/8/2
010
4/19/2
010
5/31/2
010
7/12/2
010
8/23/2
010
10/4/2
010
11/15/2
010
12/27/2
010
2/7/2
011
3/21/2
011
5/2/2
011
6/13/2
011
7/25/2
011
9/5/2
011
10/17/2
011
11/28/2
0110.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
Lake Michigan - Snowfall Total
Dates
Sn
ow
fall T
ota
ls
1/29/2
007
3/12/2
007
4/23/2
007
6/4/2
007
7/16/2
007
8/27/2
007
10/8/2
007
11/19/2
007
12/31/2
007
2/11/2
008
3/24/2
008
5/5/2
008
6/16/2
008
7/28/2
008
9/8/2
008
10/20/2
008
12/1/2
008
1/12/2
009
2/23/2
009
4/6/2
009
5/18/2
009
6/29/2
009
8/10/2
009
9/21/2
009
11/2/2
009
12/14/2
009
1/25/2
010
3/8/2
010
4/19/2
010
5/31/2
010
7/12/2
010
8/23/2
010
10/4/2
010
11/15/2
010
12/27/2
010
2/7/2
011
3/21/2
011
5/2/2
011
6/13/2
011
7/25/2
011
9/5/2
011
10/17/2
011
11/28/2
0110.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
Lake Michigan - Snowfall Total
Dates
Sn
ow
fall T
ota
ls
1/25/2
007
3/15/2
007
5/3/2
007
6/21/2
007
8/9/2
007
9/27/2
007
11/15/2
007
1/3/2
008
2/21/2
008
4/10/2
008
5/29/2
008
7/17/2
008
9/4/2
008
10/23/2
008
12/11/2
008
1/29/2
009
3/19/2
009
5/7/2
009
6/25/2
009
8/13/2
009
10/1/2
009
11/19/2
009
1/7/2
010
2/25/2
010
4/15/2
010
6/3/2
010
7/22/2
010
9/9/2
010
10/28/2
010
12/16/2
010
2/3/2
011
3/24/2
011
5/12/2
011
6/30/2
011
8/18/2
011
10/6/2
011
11/24/2
011
1/12/2
012
0.00
5.00
10.00
15.00
20.00
25.00
30.00
Lake Ontario - Snowfall Totals
Date
Sn
ow
fall T
ota
ls
1/25/2
007
3/15/2
007
5/3/2
007
6/21/2
007
8/9/2
007
9/27/2
007
11/15/2
007
1/3/2
008
2/21/2
008
4/10/2
008
5/29/2
008
7/17/2
008
9/4/2
008
10/23/2
008
12/11/2
008
1/29/2
009
3/19/2
009
5/7/2
009
6/25/2
009
8/13/2
009
10/1/2
009
11/19/2
009
1/7/2
010
2/25/2
010
4/15/2
010
6/3/2
010
7/22/2
010
9/9/2
010
10/28/2
010
12/16/2
010
2/3/2
011
3/24/2
011
5/12/2
011
6/30/2
011
8/18/2
011
10/6/2
011
11/24/2
011
1/12/2
012
0.00
5.00
10.00
15.00
20.00
25.00
30.00
Lake Ontario - Snowfall Totals
Date
Sn
ow
fall T
ota
ls
1/25/2
007
5/24/2
007
9/20/2
007
1/17/2
008
5/15/2
008
9/11/2
008
1/8/2
009
5/7/2
009
9/3/2
009
12/31/2
009
4/29/2
010
8/26/2
010
12/23/2
010
4/21/2
011
8/18/2
011
12/15/2
011
0.00
5.00
10.00
15.00
20.00
25.00
30.00
Lake Ontario
Date
Sn
ow
fall T
ota
ls
1/29/2
007
5/28/2
007
9/24/2
007
1/21/2
008
5/19/2
008
9/15/2
008
1/12/2
009
5/11/2
009
9/7/2
009
1/4/2
010
5/3/2
010
8/30/2
010
12/27/2
010
4/25/2
011
8/22/2
011
12/19/2
0110.00
5.00
10.00
15.00
20.00
Lake Michigan
Dates
Sn
ow
fall T
ota
ls
1/14/2
007
5/13/2
007
9/9/2
007
1/6/2
008
5/4/2
008
8/31/2
008
12/28/2
008
4/26/2
009
8/23/2
009
12/20/2
009
4/18/2
010
8/15/2
010
12/12/2
010
4/10/2
011
8/7/2
011
12/4/2
011
0.005.00
10.0015.0020.0025.0030.00
Lake Superior
Date
Sn
ow
fall T
ota
l
WHATS NEEDED FOR LAKE EFFECT SNOW?
1/1/
2009
16:
00
1/16
/200
9 7:
00
1/30
/200
9 22
:00
2/14
/200
9 13
:00
3/1/
2009
4:0
0
3/15
/200
9 19
:00
3/30
/200
9 10
:00
4/14
/200
9 1:
00
4/28
/200
9 16
:00
5/13
/200
9 7:
00
5/27
/200
9 22
:00
6/11
/200
9 13
:00
6/26
/200
9 4:
00
7/10
/200
9 19
:00
7/25
/200
9 10
:00
8/9/
2009
1:0
0
8/23
/200
9 16
:00
9/7/
2009
7:0
0
9/21
/200
9 22
:00
10/6
/200
9 13
:00
10/2
1/20
09 4
:00
11/4
/200
9 19
:00
11/1
9/20
09 1
0:00
12/4
/200
9 1:
00
12/1
8/20
09 1
6:00
1/2/
2010
7:0
0
1/16
/201
0 22
:00
1/31
/201
0 13
:00
2/15
/201
0 4:
00
3/1/
2010
19:
00
3/16
/201
0 10
:00
3/31
/201
0 1:
00
4/14
/201
0 16
:00
4/29
/201
0 7:
00
5/13
/201
0 22
:00
5/28
/201
0 13
:00
6/12
/201
0 4:
00
6/26
/201
0 19
:00
7/11
/201
0 10
:00
7/26
/201
0 1:
00
8/9/
2010
16:
00
8/24
/201
0 7:
00
9/7/
2010
22:
00
9/22
/201
0 13
:00
10/7
/201
0 4:
00
10/2
1/20
10 1
9:00
11/5
/201
0 10
:00
11/2
0/20
10 1
:00
12/4
/201
0 16
:00
12/1
9/20
10 7
:00
1/2/
2011
22:
00
1/17
/201
1 13
:00
2/1/
2011
4:0
0
2/15
/201
1 19
:00
3/2/
2011
10:
00
0
10
20
30
40
50
60
70
80
90
Water Temperature Composite
Water Temp -Superior Water Temp-Ontario Water Temp-Michigan
1/1/
2009
16:
00
1/16
/200
9 7:
00
1/30
/200
9 22
:00
2/14
/200
9 13
:00
3/1/
2009
4:0
0
3/15
/200
9 19
:00
3/30
/200
9 10
:00
4/14
/200
9 1:
00
4/28
/200
9 16
:00
5/13
/200
9 7:
00
5/27
/200
9 22
:00
6/11
/200
9 13
:00
6/26
/200
9 4:
00
7/10
/200
9 19
:00
7/25
/200
9 10
:00
8/9/
2009
1:0
0
8/23
/200
9 16
:00
9/7/
2009
7:0
0
9/21
/200
9 22
:00
10/6
/200
9 13
:00
10/2
1/20
09 4
:00
11/4
/200
9 19
:00
11/1
9/20
09 1
0:00
12/4
/200
9 1:
00
12/1
8/20
09 1
6:00
1/2/
2010
7:0
0
1/16
/201
0 22
:00
1/31
/201
0 13
:00
2/15
/201
0 4:
00
3/1/
2010
19:
00
3/16
/201
0 10
:00
3/31
/201
0 1:
00
4/14
/201
0 16
:00
4/29
/201
0 7:
00
5/13
/201
0 22
:00
5/28
/201
0 13
:00
6/12
/201
0 4:
00
6/26
/201
0 19
:00
7/11
/201
0 10
:00
7/26
/201
0 1:
00
8/9/
2010
16:
00
8/24
/201
0 7:
00
9/7/
2010
22:
00
9/22
/201
0 13
:00
10/7
/201
0 4:
00
10/2
1/20
10 1
9:00
11/5
/201
0 10
:00
11/2
0/20
10 1
:00
12/4
/201
0 16
:00
12/1
9/20
10 7
:00
1/2/
2011
22:
00
1/17
/201
1 13
:00
2/1/
2011
4:0
0
2/15
/201
1 19
:00
3/2/
2011
10:
00
0
10
20
30
40
50
60
70
80
90
Water Temperature Composite
Water Temp -Superior Water Temp-Ontario Water Temp-Michigan
GLOBAL TEMPERATURES
2010 top warmest, tied with 20051.12 F (anomaly) + 57.9 F (average)Dramatic Change in El Nino-EL NinaHeat Waves
DOES SIZE AFFECT SNOWFALL? Lake Superior—186 inches
Largest and DeepestFurther WestHolds More heat and releases more moisture
Lake Ontario — 89 inchesSmallest and ShallowestFurther East
CREDITShttp://www.ncdc.noaa.gov/sotc/global/2010/13http://www.ncdc.noaa.gov/stormevents/choosedates.jsp?statefips=39%2COHIOhttp://coastwatch.glerl.noaa.gov/http://glos.us/data-tools/point-query-tool-glcfshttps://www.youtube.com/watch?v=WjL4FXAQO9k
