261  
FXUS01 KWBC 261958  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
357 PM EDT TUE MAR 26 2024  
 
VALID 00Z WED MAR 27 2024 - 00Z FRI MAR 29 2024  
 
...SEVERE WEATHER POTENTIAL OVER PARTS OF THE UPPER GREAT LAKES  
TONIGHT...  
 
...HEAVY TO EXCESSIVE RAINFALL POSSIBLE OVER PORTIONS OF THE  
SOUTHEAST AND MID-ATLANTIC...  
   
..UNSETTLED WEATHER RETURNS TO THE NORTHWEST ON WEDNESDAY
 
 
HEAVY SNOW AND BLIZZARD CONDITIONS ASSOCIATED WITH A DEEP  
MID-LATITUDE CYCLONE THAT IMPACTED THE NORTHERN/CENTRAL PLAINS AND  
UPPER MIDWEST THE PAST FEW DAYS HAS ENDED, BUT SOME LINGERING  
MAINLY LIGHT SNOWS MAY CONTINUE INTO TONIGHT ACROSS PARTS OF THE  
UPPER GREAT LAKES. BEHIND THE ASSOCIATED COLD FRONT, A CHILLY  
AIRMASS WILL CONTINUE TO SPREAD ACROSS THE GREAT PLAINS AND  
MIDWEST INTO WEDNESDAY. THE GREATEST ANOMALIES ON WEDNESDAY WILL  
BE ACROSS THE NORTHERN PLAINS/UPPER MIDWEST WHERE DAYTIME HIGHS  
15-25 DEGREES BELOW AVERAGE ARE POSSIBLE, WITH TEMPERATURES  
MODERATING THEREAFTER.  
 
WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED TO ACCOMPANY THE  
ABOVE MENTIONED COLD FRONT THROUGH THURSDAY AS IT SLOWLY  
PROGRESSES THROUGH THE MIDWEST AND EAST COAST STATES. INTO THIS  
EVENING, THE STORM PREDICTION CENTER HIGHLIGHTS PORTIONS OF  
SOUTHERN MICHIGAN INTO INDIANA AND OHIO WITHIN A SLIGHT RISK  
(LEVEL 2/5) OF SEVERE THUNDERSTORMS. ON WEDNESDAY, THE HEAVIEST  
RAINS ARE EXPECTED ACROSS PARTS OF NORTH FLORIDA AND INTO THE  
SOUTHEAST AS ADDITIONAL MOISTURE GETS PULLED NORTHWARD DUE TO A  
SECOND WAVY FRONT AND DEVELOPING SURFACE LOW WHERE WPC HAS A  
SLIGHT RISK FOR EXCESSIVE RAINFALL. SHOWERS AND STORMS WILL  
CONTINUE ACROSS THE NORTHEAST INTO THURSDAY, THOUGH HEAVIEST  
RAINFALL SHOULD BE CONFINED ACROSS PORTIONS OF THE CAROLINAS AND  
THE DELMARVA, AND UP THE NORTHEAST COAST POSING A MAINLY LOCALIZED  
FLASH FLOOD THREAT.  
 
UNSETTLED WEATHER WILL CONTINUE ACROSS THE NORTHWEST DURING THE  
SHORT RANGE, WITH LOW ELEVATION RAIN AND MOUNTAIN SNOWS. FAVORABLE  
UPSLOPE REGIONS MAY HAVE THE GREATEST THREAT FOR HEAVY TO  
EXCESSIVE RAINFALL, PARTICULARLY ACROSS SOUTHWEST OREGON/NORTHWEST  
CALIFORNIA ON WEDNESDAY. ACCUMULATING SNOWFALL IS POSSIBLE  
PARTICULARLY ACROSS THE HIGHEST ELEVATIONS OF THE CASCADES, SIERRA  
NEVADA, AND INTO THE NORTHERN ROCKIES.  
 
SANTORELLI  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 

 
 
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