222  
FZUS81 KCLE 172212  
ICELIO  
 
GREAT LAKES ICE OUTLOOK  
NATIONAL WEATHER SERVICE CLEVELAND OHIO  
512 PM EST WED JAN 17 2018  
 
ACTIVE WATCHES...WARNINGS...AND ADVISORIES ON THE GREAT LAKES CAN  
BE FOUND AT...HTTP://WWW.CRH.NOAA.GOV/GREATLAKES/?C=HAZ&L=GL&P=A  
 
5 DAY ICE DISCUSSION...  
THURSDAY HIGH PRESSURE WILL DOMINATE THE GULF COAST INTO THE LOWER OHIO  
VALLEY WHILE LOW PRESSURE WILL MOVE SOUTH OF THE CANADIAN ROCKIES. THE  
HIGH WILL WEAKEN AND DRIFT TO THE SOUTHEAST STATES AS THE LOW MOVES EAST  
INTO CENTRAL ONTARIO. SATURDAY THE LOW WILL REACH EASTERN QUEBEC DRAGGING  
A CANADIAN COLD FRONT ONTO THE NORTHERN LAKES WHILE A STATIONARY FRONT  
SETS UP ACROSS THE CENTRAL LAKES. SUNDAY LOW PRESSURE WILL MOVE TO  
NORTHERN ILLINOIS FROM THE CENTRAL PLAINS AS THE CENTRAL LAKES FRONT TURNS  
WARM. MONDAY THE DEEPENING LOW WILL MOVE INTO THE WESTERN LAKES.  
 
WEST TO SOUTHWEST FLOW WILL DOMINATE ACROSS THE LAKES THURSDAY THROUGH  
SATURDAY. BY SUNDAY WINDS ON THE NORTHERN LAKES WILL TURN NORTHEAST BEHIND  
THE COLD FRONT. EAST TO NORTHEAST FLOW WILL DOMINATE THE NORTHERN LAKES  
INTO MONDAY AS THE LOW MOVES INTO THE WESTERN LAKES. SOUTH TO SOUTHWEST  
FLOW WILL CONTINUE ACROSS THE SOUTHERN HALF OF THE REGION.  
 
THE GREAT LAKES ICE ANALYSIS PRODUCTS CAN BE FOUND AT:  
 
HTTP://WWW.NATICE.NOAA.GOV/PRODUCTS/GREAT_LAKES.HTML  
 
AND  
 
HTTP://WWW.GLERL.NOAA.GOV/DATA/ICE/#CURRENTCONDITIONS  
 
MAX WIND (KNOTS) AT EACH SITE FOR THE 12 HOUR FCST PERIOD  
 
LOCATION TONIGHT THU THU NIGHT FRI FRI NIGHT  
WEST SUPERIOR 260/20 270/15 230/19 240/19 250/16  
MID SUPERIOR 310/12 330/05 200/17 260/18 270/14  
EAST SUPERIOR 300/15 230/08 190/17 200/19 270/15  
NORTH MICHIGAN 260/20 240/17 220/22 210/26 250/15  
SOUTH MICHIGAN 250/27 240/23 220/20 210/25 230/20  
NORTH HURON 260/19 260/13 220/15 200/20 230/18  
MID HURON 250/26 250/19 220/17 230/24 230/20  
SOUTH HURON 240/19 240/16 210/16 200/20 220/17  
WEST ERIE 230/19 240/18 240/15 220/18 220/16  
EAST ERIE 240/28 240/26 240/23 210/23 220/21  
CENTRAL ONTARIO 260/27 250/22 240/19 230/19 240/19  
 
A FULL GRAPHICAL FORECAST OF WIND ON THE GREAT LAKES CAN BE FOUND AT:  
HTTP://WWW.CRH.NOAA.GOV.GREATLAKES/?C=MAP&L=GL&P=A&M=WS  
 
TEMPERATURE FORECASTS FOR SELECTED CITIES  
 
LOCATION 01/18 01/19 01/20 01/21 01/22 01/23  
DULUTH 19 32 23 37 25 34 22 29 17 22 8 19  
MARQUETTE 19 31 23 38 30 39 26 34 24 30 17 23  
GREENBAY 16 31 19 37 28 39 25 37 29 34 16 27  
MILWAUKEE 16 31 22 38 31 41 34 41 38 40 23 31  
CHICAGO 16 32 23 39 32 43 37 45 41 42 28 36  
MUSKEGON 22 32 26 38 32 41 32 42 35 41 25 31  
ALPENA 17 30 21 37 30 41 27 36 28 38 19 27  
DETROIT 16 30 22 35 29 41 34 43 36 44 29 35  
TOLEDO 14 29 21 34 28 40 34 44 37 44 29 35  
CLEVELAND 14 29 21 35 30 43 36 46 38 49 31 37  
BUFFALO 17 25 24 34 31 41 34 41 35 46 30 35  
 
A FULL GRAPHICAL FORECAST OF THE GREAT LAKES FORECAST TEMPERATURES  
CAN BE FOUND AT HTTP://WWW.CRH.NOAA.GOV/GREATLAKES/?C=MAP&L=GL&P=A&M=TE  
 
FREEZING DEGREE DAY ACCUMULATIONS AT SELECTED STATIONS  
COMPARED TO NORMAL CALCULATED ON WED JAN 17:  
 
LOCATION DATE NORMAL CURRENT  
----------------------------------------  
 
DULUTH, MN JAN 16 1004 1315  
MARQUETTE, MI JAN 16 784 1043  
SAU_S_MAR, MI JAN 16 580 830  
GREENBAY, WI JAN 16 596 747  
MILWAUKEE, WI JAN 16 327 460  
CHICAGO, IL JAN 16 261 439  
MUSKEGON, MI JAN 16 165 389  
ALPENA, MI JAN 16 417 665  
DETROIT, MI JAN 16 173 431  
TOLEDO, OH JAN 16 183 436  
CLEVELAND, OH JAN 16 93 328  
BUFFALO, NY JAN 16 178 450  
 
 
NORMAL TEMPS FOR SELECTED LOCATIONS AROUND THE  
GREAT LAKES FOR WED JAN 17  
 
LOCATION HIGH LOW  
----------------------------------------------  
 
DULUTH,MN 19 -1  
MARQUETTE,MI 22 7  
GREENBAY,WI 19 -1  
MILWAUKEE,WI 30 17  
CHICAGO,IL 30 14  
MUSKEGON,MI 28 13  
ALPENA,MI 19 -1  
DETROIT,MI 31 17  
TOLEDO,OH 31 16  
CLEVELAND,OH 33 19  
BUFFALO,NY 31 17  
 

 
 
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