663  
FXUS01 KWBC 250759  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
259 AM EST SUN FEB 25 2018  
 
VALID 12Z SUN FEB 25 2018 - 12Z TUE FEB 27 2018  
   
..HEAVY RAIN POSSIBLE OVER PARTS OF THE CENTRAL GULF COAST
 
 
...HEAVY SNOW POSSIBLE OVER PARTS OF THE CASCADES, NORTHERN  
ROCKIES, AND SIERRAS...  
   
..SNOW POSSIBLE OVER PARTS OF NORTHERN NEW ENGLAND
 
 
...SPOTTY AREAS OF RAIN/FREEZING RAIN OVER PARTS OF NORTHERN NEW  
ENGLAND...  
 
A FRONT EXTENDING FROM THE GREAT LAKES TO THE OHIO VALLEY THEN TO  
THE CENTRAL GULF COAST WILL MOVE EASTWARD OFF THE  
NORTHEAST/NORTHERN MID-ATLANTIC COAST BY MONDAY MORNING WHILE  
LINGERING OVER PARTS OF THE SOUTHEAST THROUGH MONDAY EVENING. THE  
SYSTEM WILL PRODUCE RAIN ALONG AND AHEAD OF THE BOUNDARY FROM THE  
GREAT LAKES INTO PARTS OF THE NORTHEAST/NORTHERN MID-ATLANTIC  
SOUTHWESTWARD INTO THE TENNESSEE VALLEY THAT WILL MOVE OFF THE  
NORTHEAST/NORTHERN MID-ATLANTIC COAST OVERNIGHT SUNDAY. RAIN WILL  
CONTINUE OVER THE SOUTHEAST/TENNESSEE VALLEY THAT WILL MOVE  
EASTWARD TO THE SOUTHERN MID-ATLANTIC AND SOUTHEAST COAST BY  
MONDAY EVENING. SHOWERS AND THUNDERSTORMS WILL BE CONFINED TO  
WESTERN/CENTRAL GULF COAST THAT WILL END OVER THE WESTERN GULF  
COAST ON MONDAY MORNING MOVING TO PARTS OF THE SOUTHEAST/EASTERN  
GULF COAST BY MONDAY EVENING. SNOW WILL DEVELOP OVER PARTS OF  
NORTHERN NEW ENGLAND ON SUNDAY CONTINUING THROUGH MONDAY MORNING.  
IN ADDITION, SPOTTY AREAS OF RAIN/FREEZING RAIN WILL DEVELOP OVER  
PARTS OF NORTHERN NEW ENGLAND ON SUNDAY INTO SUNDAY EVENING.  
ADDITIONALLY, SNOW DEVELOPS OVER PARTS OF THE UPPER GREAT  
LAKES/UPPER MISSISSIPPI VALLEY THAT WILL LIFT NORTHWARD INTO  
CANADA OVERNIGHT SUNDAY.  
 
MEANWHILE, A FRONT MOVING ONSHORE OVER THE PACIFIC NORTHWEST WILL  
MOVE INLAND TO THE NORTHERN PLAINS INTO THE NORTHERN ROCKIES/GREAT  
BASIN AND INTO SOUTHERN CALIFORNIA BY MONDAY EVENING. THE STORM  
WILL PRODUCE RAIN AND HIGHER ELEVATION SNOW OVER THE PACIFIC  
NORTHWEST AND SNOW OVER THE NORTHERN ROCKIES THAT WILL EXPAND  
SOUTHWARD INTO PARTS OF THE CENTRAL ROCKIES/GREAT BASIN AND INTO  
PARTS OF NORTHERN/CENTRAL CALIFORNIA OVERNIGHT SUNDAY INTO MONDAY  
EVENING. RAIN WILL ALSO MOVE SOUTHWARD INTO THE NORTHERN  
CALIFORNIA COAST BY SUNDAY EVENING AND INTO CENTRAL CALIFORNIA BY  
MONDAY MORNING INTO MONDAY EVENING. FURTHERMORE, UPPER-LEVEL  
ENERGY OVER PARTS OF THE CENTRAL/SOUTHERN ROCKIES AND GREAT  
BASIN/SOUTHWEST WILL MOVE EASTWARD TO THE MIDDLE MISSISSIPPI  
VALLEY BY SUNDAY EVENING. THE ENERGY WILL AID IN DEVELOPING SNOW  
OVER PARTS OF THE CENTRAL/SOUTHERN ROCKIES AND PARTS OF THE GREAT  
BASIN THAT WILL END BY SUNDAY EVENING.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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