351  
FXUS01 KWBC 270757  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
257 AM EST TUE FEB 27 2018  
 
VALID 12Z TUE FEB 27 2018 - 12Z THU MAR 01 2018  
 
...HEAVY RAIN POSSIBLE OVER PARTS OF THE SOUTHERN PLAINS/LOWER  
MISSISSIPPI VALLEY INTO THE TENNESSEE VALLEY...  
 
...HEAVY SNOW POSSIBLE OVER THE CASCADES, SHASTA/TRINITY, AND  
SIERRAS...  
   
..HEAVY SNOW POSSIBLE OVER PARTS OF NORTHERN NEW ENGLAND
 
 
   
..SNOW POSSIBLE OVER THE MOGOLLON RIM
 
 
A STRONG FRONT EXTENDING FROM THE UPPER GREAT LAKES SOUTHWESTWARD  
TO THE CENTRAL HIGH PLAINS WESTWARD INTO THE GREAT BASIN AND  
SOUTHERN CALIFORNIA MOVES EASTWARD TO THE NORTHEAST TO  
CENTRAL/SOUTHERN PLAINS BY WEDNESDAY EVENING. THE STORM WILL  
PRODUCE RAIN AND HIGHER ELEVATIONS SNOW OVER PARTS OF  
CENTRAL/SOUTHERN CALIFORNIA THAT MOVES INTO THE SOUTHWEST  
OVERNIGHT TUESDAY AND INTO PARTS OF THE CENTRAL/SOUTHERN ROCKIES  
BY WEDNESDAY EVENING.  
 
MEANWHILE, MOISTURE FROM THE WESTERN GULF OF MEXICO STREAMS  
NORTHWARD INTO THE CENTRAL/SOUTHERN PLAINS BY TUESDAY AFTERNOON.  
THE MOISTURE MOVES NORTHEASTWARD INTO THE GREAT LAKES AND THE  
NORTHEAST BY WEDNESDAY EVENING. SHOWERS AND THUNDERSTORMS WILL  
BEGIN TO DEVELOP OVER PARTS OF THE SOUTHERN PLAINS ON TUESDAY  
MORNING AND EXPANDING INTO THE LOWER MISSISSIPPI VALLEY BY TUESDAY  
EVENING. THE AFOREMENTIONED STRONG FRONT MOVES INTO THE SOUTHERN  
PLAINS INTO THE GREAT LAKES OVERNIGHT TUESDAY INTO WEDNESDAY  
MORNING. THE SHOWERS AND THUNDERSTORMS MOVE INTO THE MIDDLE/LOWER  
MISSISSIPPI VALLEY BY WEDNESDAY MORNING WHILE CONTINUING OVER  
PARTS OF THE SOUTHERN PLAINS. SHOWERS AND THUNDERSTORMS EXPAND  
INTO PARTS OF THE SOUTHEAST BY WEDNESDAY EVENING. IN ADDITION,  
RAIN AND SNOW DEVELOP ALONG THE BOUNDARY OVERNIGHT TUESDAY OVER  
PARTS OF THE UPPER MISSISSIPPI VALLEY INTO THE UPPER GREAT LAKES.  
 
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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