202  
FXUS01 KWBC 020744  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
243 AM EST SAT MAR 02 2019  
 
VALID 12Z SAT MAR 02 2019 - 12Z MON MAR 04 2019  
 
...HEAVY RAIN POSSIBLE OVER PARTS OF THE SOUTHEAST/TENNESSEE  
VALLEY...  
 
...HEAVY SNOW POSSIBLE FROM THE CENTRAL APPALACHIANS TO NEW  
ENGLAND...  
 
...TEMPERATURES WILL BE 20 TO 48 BELOW AVERAGE OVER THE NORTHERN  
PLAINS INTO THE CENTRAL PLAINS...  
   
..HEAVY SNOW OVER THE CENTRAL ROCKIES
 
 
A STORM SOUTH OF NEW ENGLAND WILL MOVE NORTHEASTWARD OUT OVER THE  
ATLANTIC JUST MISSING NEW ENGLAND ON SATURDAY. THE SYSTEM WILL  
PRODUCE SNOW OVER PARTS OF THE NORTHERN MID-ATLANTIC INTO SOUTHERN  
NEW ENGLAND AND RAIN ALONG THE NORTHERN MID-ATLANTIC COAST ENDING  
BY SATURDAY EVENING. IN ADDITION, UPPER-LEVEL ENERGY OVER THE  
GREAT LAKES WILL MOVE EASTWARD OFF THE NEW ENGLAND COAST OVERNIGHT  
SATURDAY. THE ENERGY WILL PRODUCE LIGHT SNOW OVER THE GREAT LAKES  
THAT WILL MOVE INTO THE LOWER GREAT LAKES BY SATURDAY EVENING.  
THE SNOW WILL MOVE INTO THE NORTHEAST OVERNIGHT SATURDAY WINDING  
DOWN BY SUNDAY.  
 
MEANWHILE, UPPER-LEVEL ENERGY MOVING ONSHORE OVER CALIFORNIA WILL  
MOVE EASTWARD TO OFF THE NORTHERN MID-ATLANTIC COAST BY MONDAY.  
THE STORM WILL PRODUCE RAIN AND HIGHER ELEVATION SNOW OVER  
CALIFORNIA AND RAIN/ SNOW OVER PARTS OF THE GREAT BASIN THROUGH  
SUNDAY MORNING. SNOW WILL MOVE INTO THE CENTRAL ROCKIES ON  
SATURDAY AND DEVELOPING OVER PARTS OF THE NORTHERN/CENTRAL PLAINS  
BY SATURDAY EVENING. THE SNOW WILL EXPAND INTO PARTS OF THE  
SOUTHERN PLAINS AND MIDDLE MISSISSIPPI VALLEY OVERNIGHT SATURDAY  
CONTINUING TO MARCH EASTWARD INTO THE OHIO VALLEY ON SUNDAY. ON  
SUNDAY AFTERNOON, THE SNOW WILL DEVELOP OVER PARTS OF THE  
MID-ATLANTIC. OVERNIGHT SUNDAY, THE SNOW WILL ENTER INTO NEW  
ENGLAND AND THE NORTHERN APPALACHIANS. THE SNOW WILL CONTINUE  
OVER THE NORTHEAST INTO THE NORTHERN MID-ATLANTIC THROUGH MONDAY  
MORNING. AS THE UPPER-LEVEL ENERGY MOVES OUT OF THE ROCKIES,  
MOISTURE FROM THE WESTERN GULF OF MEXICO WILL STREAM NORTHWARD  
OVER THE SOUTHERN PLAINS INTO THE LOWER MISSISSIPPI VALLEY AND  
CONTINUE EASTWARD THEN MOVE OFF THE SOUTHEAST COAST BY SUNDAY  
EVENING. THE MOISTURE WILL AID IN PRODUCING SHOWERS AND  
THUNDERSTORMS OVER PARTS OF THE WESTERN GULF COAST BY SATURDAY  
EVENING EXPANDING INTO THE LOWER MISSISSIPPI VALLEY BY SUNDAY  
MORNING. ON SUNDAY, THE SHOWERS AND THUNDERSTORMS WILL MOVE INTO  
THE SOUTHEAST AND OFF THE SOUTHEAST COAST BY MONDAY. ELSEWHERE,  
ONSHORE FLOW AND WEAK UPPER-LEVEL IMPULSES WILL AID IN PRODUCING  
RAIN AND HIGHER ELEVATION SNOW OVER PARTS OF CALIFORNIA INTO THE  
GREAT BASIN THAT WILL WANE OVERNIGHT SUNDAY.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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