146
FZUS81 KCLE 202156
ICELIO
GREAT LAKES ICE OUTLOOK
NATIONAL WEATHER SERVICE CLEVELAND OHIO
456 PM EST MON JAN 20 2025
ACTIVE WATCHES...WARNINGS...AND ADVISORIES ON THE GREAT LAKES CAN
BE FOUND AT:
HTTP://WWW.WEATHER.GOV/GREATLAKES/
5 DAY ICE DISCUSSION...
ICE COVER ON LAKES SUPERIOR, HURON, AND MICHIGAN REMAINS CONFINED TO BAYS
AND RELATIVELY-SHALLOW WATERS ALONG/VERY NEAR EACH RESPECTIVE LAKESHORE
(E.G. DULUTH HARBOR, STRAITS OF MACKINAC, GREEN BAY, LITTLE BAY DE NOC,
BIG BAY DE NOC, AND SAGINAW BAY). LAKE ST. CLAIR IS COMPLETELY ICE-COVERED.
AS FOR LAKE ERIE, THE WESTERN BASIN IS ICE-COVERED, WHILE ICE COVER IS
PRIMARILY CONFINED TO WATERS ALONG AND WITHIN FIVE NAUTICAL MILES OF THE
SHORELINE IN THE CENTRAL AND EASTERN BASINS. PRIMARILY SLOW TO MODERATE
ICE FORMATION IS EXPECTED DURING THE NEXT FIVE DAYS ON THE UPPER GREAT
LAKES AND LAKE ERIE AS SURFACE AIR TEMPERATURES OVER AND NEAR THE LAKES
REMAIN BELOW-NORMAL THROUGH THIS WEDNESDAY AND THEN MODERATE TO NEAR-NORMAL
BY THIS THURSDAY AND FRIDAY. HOWEVER, SURFACE WINDS ARE EXPECTED TO
AVERAGE 10 TO 25 KNOTS OVER THE LAKES THROUGH THIS FRIDAY. THE BULK OF ICE
FORMATION IS EXPECTED TO BE CONFINED TO BAYS AND INLETS, ESPECIALLY THOSE
THAT ARE SHELTERED, AND SHALLOWER WATERS WITHIN SEVERAL MILES OF THE
SHORELINE OF EACH LAKE.
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 TUE TUE NIGHT WED WED NIGHT
WEST SUPERIOR 280/21 220/26 220/25 330/15 320/11
MID SUPERIOR 310/19 230/25 220/24 330/18 330/14
EAST SUPERIOR 310/19 260/24 230/22 330/16 340/14
NORTH MICHIGAN 300/20 250/20 220/23 240/17 310/11
SOUTH MICHIGAN 280/22 280/19 200/30 220/26 280/15
NORTH HURON 260/20 260/20 200/27 200/26 260/14
MID HURON 260/22 250/21 200/23 200/24 240/16
SOUTH HURON 260/22 260/20 190/24 190/26 220/17
WEST ERIE 240/19 260/20 190/17 190/16 210/15
EAST ERIE 260/24 240/20 280/19 220/23 220/19
CENTRAL ONTARIO 250/27 250/24 250/22 210/20 220/20
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 01/21 01/22 01/23 01/24 01/25 01/26
DULUTH -1 -1 -1 17 1 15 1 21 15 24 10 23
MARQUETTE -1 3 -3 17 10 21 8 23 14 28 14 24
GREENBAY -1 1 -4 21 8 23 5 24 17 30 14 28
MILWAUKEE -1 1 -1 23 17 26 10 26 19 33 19 30
CHICAGO -4 3 1 24 19 28 14 28 23 35 23 32
MUSKEGON 3 10 6 26 19 26 17 28 23 32 23 30
ALPENA -1 8 -1 14 10 23 10 24 15 30 19 26
DETROIT 3 8 -1 17 14 24 14 26 19 32 24 32
TOLEDO 3 6 -6 17 14 24 15 26 19 33 26 32
CLEVELAND 3 12 -8 17 12 28 17 26 19 35 26 33
BUFFALO 6 12 -1 14 10 26 17 28 19 32 26 32
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 MON JAN 20:
LOCATION DATE NORMAL CURRENT
----------------------------------------
DULUTH, MN JAN 19 944 908
MARQUETTE, MI JAN 19 756 638
SAU_S_MAR, MI JAN 19 554 421
GREENBAY, WI JAN 19 488 425
MILWAUKEE, WI JAN 19 227 198
CHICAGO, IL JAN 19 182 194
MUSKEGON, MI JAN 19 124 109
ALPENA, MI JAN 19 382 298
DETROIT, MI JAN 19 156 158
TOLEDO, OH JAN 19 98 148
CLEVELAND, OH JAN 19 52 150
BUFFALO, NY JAN 19 153 132
NORMAL TEMPS FOR SELECTED LOCATIONS AROUND THE
GREAT LAKES FOR MON JAN 20:
LOCATION HIGH LOW
----------------------------------------------
DULUTH,MN 19 0
MARQUETTE,MI 22 7
GREEN BAY,WI 25 8
MILWAUKEE,WI 30 17
CHICAGO,IL 31 14
MUSKEGON,MI 28 14
ALPENA,MI 26 8
DETROIT,MI 31 17
TOLEDO,OH 31 16
CLEVELAND,OH 33 19
BUFFALO,NY 31 17
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