858  
FXUS01 KWBC 240757  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
256 AM EST SAT FEB 24 2018  
 
VALID 12Z SAT FEB 24 2018 - 12Z MON FEB 26 2018  
 
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF  
THE LOWER MISSISSIPPI VALLEY INTO THE TENNESSEE/SOUTHWESTERN OHIO  
VALLEYS...  
   
..HEAVY SNOW OVER THE CASCADES AND NORTHERN ROCKIES
 
 
   
..HEAVY SNOW FOR UPPER MISSISSIPPI VALLEY/UPPER GREAT LAKES
 
 
   
..RAIN/FREEZING RAIN POSSIBLE OVER PARTS OF NEW ENGLAND
 
 
A WAVE OF LOW PRESSURE OVER THE SOUTHERN HIGH PLAINS WILL DEEPEN  
RAPIDLY WHILE MOVING TO THE UPPER GREAT LAKES BY SUNDAY MORNING  
AND CONTINUE TO MOVE TO JAMES BAY BY SUNDAY EVENING. THE SYSTEM  
WILL PRODUCE SNOW OVER PARTS OF THE SOUTHERN/CENTRAL ROCKIES INTO  
THE CENTRAL PLAINS THAT WILL MOVE NORTHEASTWARD INTO THE UPPER  
MIDWEST BY SATURDAY EVENING. BUY SUNDAY EVENING THE SNOW WILL  
MOVE OUT OF THE UPPER GREAT LAKES INTO CANADA. THE SNOW WILL BE  
HEAVY AT TIMES OVER THE UPPER MISSISSIPPI VALLEY INTO THE UPPER  
GREAT LAKES OVERNIGHT SATURDAY INTO SUNDAY. SHOWERS AND  
THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF THE ASSOCIATED FRONT  
OVER PARTS OF THE SOUTHERN PLAINS INTO THE LOWER/MIDDLE  
MISSISSIPPI VALLEY INTO PARTS OF THE OHIO VALLEY BY SATURDAY  
EVENING. THE SHOWERS AND THUNDERSTORMS WILL MOVE EASTWARD TO THE  
SOUTHERN MID-ATLANTIC/SOUTHEAST BY SUNDAY EVENING, WHILE  
CONTINUING OVER THE WESTERN/CENTRAL GULF COAST.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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