932  
FXUS01 KWBC 242013  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
313 PM EST SUN NOV 24 2024  
 
VALID 00Z MON NOV 25 2024 - 00Z WED NOV 27 2024  
 
...HEAVY SNOW OVER PARTS OF THE SIERRA NEVADA MOUNTAINS AND UPPER  
GREAT LAKES WITH MODERATE SNOW OVER PARTS OF THE CENTRAL ROCKIES...  
 
...TEMPERATURES WILL BE 10 TO 15 DEGREES BELOW AVERAGE OVER THE  
NORTHERN PLAINS...  
 
A FRONT EXTENDING FROM THE MIDDLE MISSISSIPPI VALLEY, CENTRAL  
PLAIN/ROCKIES, AND SOUTHWEST WILL MOVE EASTWARD TO OFF THE  
NORTHEAST/MID-ATLANTIC COAST AND THEN OVER THE SOUTHEAST AND OFF  
THE WESTERN GULF COAST BY TUESDAY EVENING. A HIGH PRESSURE OVER  
WEST-CENTRAL CANADA WILL USHER COLD AIR OVER PARTS OF THE NORTHERN  
PLAINS, BRINGING TEMPERATURES OF 10 TO 15 DEGREES BELOW AVERAGE,  
WHILE THE HIGH MOVES SOUTHEASTWARD TO THE OHIO VALLEY BY TUESDAY  
EVENING.  
 
WEAK ONSHORE FLOW WILL PRODUCE COASTAL RAIN AND HIGHER-ELEVATION  
SNOW OVER PARTS OF THE PACIFIC NORTHWEST THROUGH LATE MONDAY  
NIGHT. MORE ROBUST ONSHORE FLOW WILL PRODUCE RAIN AND  
HIGHER-ELEVATION SNOW OVER PARTS OF NORTHERN/CENTRAL CALIFORNIA.  
THE SNOW WILL BE HEAVY OVER THE SIERRA NEVADA MOUNTAINS THROUGH  
TUESDAY EVENING. ADDITIONAL UPPER-LEVEL ENERGY WILL MOVE OVER THE  
CENTRAL ROCKIES, DEVELOPING LIGHT SNOW FROM SUNDAY EVENING INTO  
MONDAY MORNING. THE ENERGY WILL CREATE MODERATE TO HEAVY SNOW OVER  
THE CENTRAL ROCKIES FROM MONDAY EVENING INTO TUESDAY EVENING.  
 
MEANWHILE, UPPER-LEVEL ENERGY OVER THE NORTHEAST WILL PRODUCE  
LIGHT RAIN OVER PARTS OF THE LOWER GREAT LAKES THROUGH SUNDAY  
NIGHT AND HIGHER-ELEVATION SNOW OVER THE NORTHEAST THROUGH MONDAY  
MORNING. OVERNIGHT SUNDAY, AS THE WAVE OF LOW PRESSURE AND  
ASSOCIATED UPPER-LEVEL ENERGY MOVES INTO THE UPPER MIDWEST,  
MODERATE SNOW WILL DEVELOP OVER PARTS OF NORTHEASTERN MINNESOTA,  
NORTHERN WISCONSIN, AND THE UPPER PENINSULA OF MICHIGAN. RAIN WILL  
GROW OVER THE LOWER PENINSULA OF MICHIGAN ON MONDAY AND EXTEND  
INTO THE OHIO VALLEY. BY MONDAY AFTERNOON, AS THE PRECIPITATION  
EXPANDS SOUTHWARD, SHOWERS AND THUNDERSTORMS DEVELOP OVER PARTS OF  
THE TENNESSEE VALLEY AND THE LOWER MISSISSIPPI VALLEY. BY TUESDAY,  
HEAVY LAKE-EFFECT SNOW WILL DEVELOP OVER THE WESTERN UPPER  
PENINSULA OF MICHIGAN AND MODERATE TO HEAVY LAKE-EFFECT SNOW OVER  
THE REST OF THE UPPER PENINSULA OF MICHIGAN. ALSO, RAIN WILL MOVE  
INTO THE NORTHEAST AND PARTS OF THE MID-ATLANTIC, SOUTHWESTWARD TO  
THE CENTRAL GULF COAST. THE RAIN WILL CHANGE OVER TO SNOW OVER  
PARTS OF NORTHERN NEW ENGLAND BY TUESDAY EVENING.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 
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