786  
FXUS01 KWBC 070658  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
257 AM EDT SUN APR 07 2019  
 
VALID 12Z SUN APR 07 2019 - 12Z TUE APR 09 2019  
 
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM PARTS OF  
THE WESTERN GULF COAST INTO PARTS OF THE TENNESSEE/OHIO VALLEYS  
AND THE LOWER MIDDLE MISSISSIPPI VALLEY...  
   
..HEAVY RAIN OVER PARTS OF THE PACIFIC NORTHWEST
 
 
...HEAVY RAIN OVER PARTS OF THE LOWER MISSISSIPPI VALLEY AND THE  
TENNESSEE VALLEY...  
 
UPPER-LEVEL ENERGY OVER THE SOUTHERN PLAINS WILL INTENSIFY WHILE  
MOVING EASTWARD TO THE SOUTHEAST BY TUESDAY. MOISTURE FROM THE  
WESTERN GULF OF MEXICO WILL STREAM NORTHEASTWARD OVER THE LOWER  
MISSISSIPPI VALLEY INTO THE OHIO VALLEY THAT WILL, LIKEWISE, MOVE  
EASTWARD INTO THE SOUTHEAST AND THE MID-ATLANTIC BY MONDAY EVENING  
INTO TUESDAY. THE ENERGY AND MOISTURE WILL AID IN PRODUCING  
SHOWERS AND THUNDERSTORMS OVER WESTERN GULF COAST INTO THE LOWER  
MISSISSIPPI/TENNESSEE VALLEYS AND EXTENDING INTO PARTS OF THE OHIO  
VALLEY THAT WILL ALSO MOVE EASTWARD INTO THE SOUTHEAST/SOUTHERN  
MID-ATLANTIC BY TUESDAY. RAIN WILL DEVELOP OVER PARTS OF THE  
UPPER MIDWEST THAT WILL MOVE INTO PARTS OF THE NORTHEAST OVERNIGHT  
SUNDAY CONTINUING INTO MONDAY NIGHT. SNOW WILL DEVELOP OVER PARTS  
OF NORTHERN NEW ENGLAND OVERNIGHT SUNDAY AND CONTINUE OVER PARTS  
OF NORTHERN NEW ENGLAND THROUGH TUESDAY MORNING.  
 
MEANWHILE, A PLUME OF MOISTURE WILL STREAM INTO THE NORTHWEST  
THROUGH MONDAY. THE MOISTURE WILL AID IN PRODUCING RAIN OVER  
PARTS OF THE PACIFIC NORTHWEST INTO NORTHERN CALIFORNIA INTO PARTS  
OF THE NORTHERN INTERMOUNTAIN REGION WITH SNOW OVER SOME OF THE  
HIGHER ELEVATIONS OVER THE NORTHERN ROCKIES THROUGH MONDAY.  
OVERNIGHT MONDAY, UPPER-LEVEL ENERGY OVER THE PACIFIC WILL BEGIN  
TO MOVE ONSHORE OVER THE PACIFIC NORTHWEST INTO NORTHERN  
CALIFORNIA BY TUESDAY. RAIN WILL CONTINUE OVER THE REGION THROUGH  
TUESDAY.  
 
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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