683  
FXUS01 KWBC 271959  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
259 PM EST SUN JAN 27 2019  
 
VALID 00Z MON JAN 28 2019 - 00Z WED JAN 30 2019  
 
...HEAVY SNOW EXPECTED ACROSS THE UPPER MIDWEST AND UPPER GREAT  
LAKES...  
 
...ARCTIC AIR TO BRING DANGEROUSLY COLD WIND CHILLS ACROSS THE  
UPPER MIDWEST STARTING TUESDAY...  
 
A STORM OVER GEORGIAN BAY WILL MOVE NORTHEASTWARD INTO EASTERN  
CANADA BY SUNDAY EVENING. THE SYSTEM WILL PRODUCE SNOW AND LAKE  
ENHANCED SNOW OVER THE GREAT LAKES INTO PARTS OF THE OHIO VALLEY  
THAT WILL EXPAND INTO PARTS OF THE NORTHEAST AND THE CENTRAL  
APPALACHIANS BY SUNDAY AFTERNOON WANING OVERNIGHT SUNDAY. IN  
ADDITION, A STALLED FRONT OVER SOUTHERN FLORIDA WILL HAVE A WAVE  
OF LOW PRESSURE TRAVEL FROM THE GULF OF MEXICO TO THE ATLANTIC BY  
MONDAY. THE SYSTEM WILL PRODUCE RAIN, HEAVY AT TIMES, OVER THE  
FLORIDA PENINSULA THROUGH MONDAY MORNING. THE RAIN WILL END BY  
MONDAY AFTERNOON.  
 
MEANWHILE, ANOTHER STORM OVER WEST-CENTRAL CANADA WILL MOVE  
SOUTHEASTWARD INTO THE NORTHERN PLAINS BY SUNDAY EVENING AND  
EASTWARD INTO THE GREAT LAKES/OHIO VALLEY BY MONDAY EVENING. THE  
SYSTEM WILL PRODUCE RAIN AND SNOW OVER PARTS OF THE NORTHERN  
PLAINS INTO PARTS OF THE CENTRAL PLAINS ON SUNDAY MORNING. THE  
SNOW WILL EXPAND INTO PARTS OF THE NORTHERN ROCKIES AND INTO PARTS  
OF THE UPPER MISSISSIPPI VALLEY BY SUNDAY EVENING. ADDITIONALLY,  
THE SNOW WILL MOVE INTO THE GREAT LAKES AND OHIO VALLEY BY MONDAY  
EVENING. ON MONDAY, THE SNOW WILL EXPAND INTO PARTS OF THE  
CENTRAL ROCKIES BEFORE BEGINNING TO WANE OVER THE NORTHERN/CENTRAL  
ROCKIES AND THE NORTHERN PLAINS BY MONDAY EVENING. OVERNIGHT  
MONDAY, SNOW WILL DEVELOP OVER PARTS OF THE TENNESSEE VALLEY AND  
PARTS OF THE LOWER MISSISSIPPI VALLEY. IN ADDITION, RAIN WILL  
DEVELOP ALONG THE ASSOCIATED FRONT EXTENDING FROM PARTS OF THE  
OHIO VALLEY SOUTHWESTWARD TO THE LOWER MISSISSIPPI VALLEY/WESTERN  
GULF COAST BY MONDAY EVENING.  
 
A FRONTAL SYSTEM DROPPING FROM THE NORTHERN PLAINS WILL MOVE INTO  
THE UPPER MIDEWST AND UPPER GREAT LAKES LATER TONIGHT AND INTO  
TOMORROW. BLIZZARD WARNINGS ARE CURRENTLY IN EFFECT FOR EASTERN  
PORTIONS OF NORTH AND SOUTH DAKOTA--WHERE 3 TO 6 INCHES OF SNOW  
CAN BE EXPECTED WITH WIDESPREAD BLOWING SNOW CAUSING WHITE OUT  
CONDITIONS. THE HEAVIEST SNOWFALL IS EXPECTED ACROSS THE  
LAKE-SHORE REGION OF WISCONSIN AND WESTERN MICHIGAN WHERE OVER A  
FOOT OF SNOW WILL FALL.  
 
REINHART  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 

 
 
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