Great Lakes Ice Outlook (CLEICELIO)
Issued Monday Wednesday Friday (product only valid when ice is present on the Great Lakes)
376
FZUS81 KCLE 142202
ICELIO
Great Lakes Ice Outlook
National Weather Service Cleveland Ohio
502 PM EST Fri Feb 14 2025
Active watches...warnings...and advisories on the Great Lakes can
be found at:
http://www.weather.gov/greatlakes/
5 Day Ice Discussion...
Overall ice coverage across Lakes Superior, Michigan, and Huron continues
to be slightly below normal for mid February. Ice coverage on Lake Erie continues
to be well above normal as ice coverage is around 90 to 95%. The latest SAR
imagery reveals the remaining 5 to 10% of "ice-free" area for Lake Erie
residing on the northern shores of Ontario towards The Islands, resulting
from strong westerly winds Thursday evening. A mix of medium to thick
lake ice is present across the Straits of Mackinac, Green Bay, Saginaw
Bay, and most recently, the eastern shoreline of Lake Erie. New to thin
lake continues to appear and increase in coverage along the shorelines of
all other Lakes. Current ice coverage across all Great Lakes is roughly
33 percent.
The entire Great Lakes region is expected to remain below freezing through
the weekend and into early next week. Modest north to northwest winds of
20 to 30 knots will return across much of the Great Lakes behind a
deepening low pressure system Sunday into Monday which could contribute to
significant shifts in the ice. Arctic air will arrive behind this system
which could lead to areas of moderate to rapid ice growth, particularly
across the Upper Great Lakes.
The Great Lakes ice analysis products can be found at:
http://usicecenter.gov/Products/GreatLakesHome
and
http://www.glerl.noaa.gov/data/ice/#currentconditions
MAX WIND (KNOTS) AT EACH SITE FOR THE 12 HOUR FCST PERIOD
Location Tonight Sat Sat Night Sun Sun Night
West Superior 040/27 040/27 030/25 340/17 330/19
Mid Superior 050/24 040/25 040/24 010/21 350/21
East Superior 220/15 060/21 060/21 020/23 360/19
North Michigan 170/17 050/20 040/22 330/21 300/19
South Michigan 150/20 040/18 330/28 320/28 300/24
North Huron 200/17 070/22 050/27 010/24 310/21
Mid Huron 140/16 080/17 040/27 360/24 300/23
South Huron 130/17 120/16 030/23 320/25 290/23
West Erie 140/11 160/12 300/24 290/25 270/22
East Erie 070/10 080/12 060/14 270/30 260/29
Central Ontario 120/19 090/20 060/29 290/33 280/38
A full graphical forecast of wind on the Great Lakes can be found at:
http://www.weather.gov/greatlakes/
Temperature Forecasts for Selected Cities
Location 02/15 02/16 02/17 02/18 02/19 02/20
Duluth 14 23 3 12 -1 5 -1 8 -8 12 -3 17
Marquette 17 26 17 21 3 8 1 12 3 17 8 21
GreenBay 21 30 17 24 -6 8 -1 12 -8 14 -4 19
Milwaukee 23 32 23 26 -3 6 -6 10 1 12 3 17
Chicago 24 35 26 28 1 8 -1 12 5 17 5 17
Muskegon 23 32 24 28 10 14 8 17 10 21 12 21
Alpena 17 28 19 23 5 14 1 14 1 19 5 21
Detroit 21 35 28 32 14 19 3 17 3 21 6 23
Toledo 21 37 30 32 14 15 3 15 5 19 6 21
Cleveland 26 39 35 39 17 19 6 15 8 19 12 21
Buffalo 19 35 32 37 14 19 5 14 5 17 8 21
A full graphical forecast of the Great Lakes forecast temperatures
can be found at http://www.weather.gov/greatlakes/
FREEZING DEGREE DAY ACCUMULATIONS AT SELECTED STATIONS
COMPARED TO NORMAL CALCULATED ON Fri Feb 14:
LOCATION DATE NORMAL CURRENT
----------------------------------------
DULUTH, MN FEB 13 1447 1512
MARQUETTE, MI FEB 13 1213 1155
SAU_S_MAR, MI FEB 13 963 851
GREENBAY, WI FEB 13 826 765
MILWAUKEE, WI FEB 13 423 422
CHICAGO, IL FEB 13 342 342
MUSKEGON, MI FEB 13 270 272
ALPENA, MI FEB 13 702 670
DETROIT, MI FEB 13 315 347
TOLEDO, OH FEB 13 208 298
CLEVELAND, OH FEB 13 118 294
BUFFALO, NY FEB 13 349 335
NORMAL TEMPS FOR SELECTED LOCATIONS AROUND THE
GREAT LAKES FOR Fri Feb 14
LOCATION HIGH LOW
----------------------------------------------
DULUTH,MN 25 7
MARQUETTE,MI 26 10
GREENBAY,WI 13 -1
MILWAUKEE,WI 34 20
CHICAGO,IL 36 20
MUSKEGON,MI 33 19
ALPENA,MI 30 11
DETROIT,MI 35 20
TOLEDO,OH 36 20
CLEVELAND,OH 37 22
BUFFALO,NY 34 19
$$
Freeze-Up/Break-Up Outlook (NWS CLE)
Typically only issued in Nov/Dec. Otherwise, below text will be blank.
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