755  
FXUS01 KWBC 080712  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
311 AM EDT MON APR 08 2019  
 
VALID 12Z MON APR 08 2019 - 12Z WED APR 10 2019  
 
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF  
THE SOUTHERN MID-ATLANTIC AND THE SOUTHEAST...  
   
..HEAVY SNOW POSSIBLE OVER PARTS OF NORTHERN NEW ENGLAND
 
 
...HEAVY RAIN POSSIBLE OVER PARTS OF THE PACIFIC NORTHWEST AND THE  
TENNESSEE VALLEY...  
   
..DEVELOPING WINTER STORM OVER THE WEST
 
 
LOW PRESSURE OVER THE LOWER GREAT LAKES WILL MOVE EASTWARD TO NEW  
ENGLAND BY MONDAY EVENING FOLLOWED BY A SECOND LOW OVER THE UPPER  
MIDWEST THAT WILL MOVE TO NEW ENGLAND BY TUESDAY EVENING. THE  
SYSTEM WILL DEVELOP SNOW OVER PARTS OF NORTHERN NEW ENGLAND ON  
MONDAY AS RAIN DEVELOPS OVER PARTS OF THE NORTHEAST AND SOUTHERN  
NEW ENGLAND ALSO ON MONDAY. THE RAIN WILL END OVERNIGHT MONDAY  
OVER THE NORTHEAST AS SNOW WILL CONTINUE OVER PARTS OF NORTHERN  
NEW ENGLAND. ON TUESDAY THE SECOND SYSTEM MOVES OUT OF THE GREAT  
LAKES INTO THE NORTHEAST AND MOVE OFF THE NORTHEAST COAST BY  
WEDNESDAY MORNING. THE STORM WILL PRODUCE MORE SNOW OVER NORTHERN  
NEW ENGLAND THROUGH WEDNESDAY. RAIN WILL ALSO DEVELOP OVER PARTS  
OF THE NORTHEAST ON TUESDAY WITH RAIN ENDING OVER SOUTHERN NEW  
ENGLAND OVERNIGHT TUESDAY.  
 
MEANWHILE, LOW PRESSURE OVER THE CENTRAL GULF COAST WILL SLOWLY  
MOVE EASTWARD OFF THE SOUTHEAST COAST OVERNIGHT TUESDAY. THE  
SYSTEM WILL PRODUCE SHOWERS AND THUNDERSTORMS OVER PARTS OF THE  
LOWER MISSISSIPPI AND THE TENNESSEE VALLEYS ALONG WITH PARTS OF  
THE SOUTHERN OHIO VALLEY ON MONDAY. THE SHOWERS AND THUNDERSTORMS  
WILL MOVE INTO PARTS OF THE SOUTHEAST/SOUTHERN MID-ATLANTIC ON  
MONDAY EVENING. THE SHOWERS AND THUNDERSTORMS WILL MOVE OFF THE  
SOUTHEAST COAST OVERNIGHT TUESDAY.  
 
A PLUME OF MOISTURE OVER THE WEST COAST WILL AID IN PRODUCING RAIN  
OVER PARTS OF THE PACIFIC NORTHWEST INTO PARTS OF NORTHERN  
CALIFORNIA AND THE NORTHERN INTERMOUNTAIN REGION THAT WILL  
CONTINUE THROUGH TUESDAY MORNING. OVERNIGHT MONDAY, THE PLUME OF  
MOISTURE WILL MOVE OFF THE WEST COAST. UPPER-LEVEL ENERGY OVER  
THE PACIFIC WILL MOVE ONSHORE OVER THE OVERNIGHT MONDAY DEVELOPING  
A STRONG STORM OVER THE ROCKIES OVERNIGHT TUESDAY. AS THE  
UPPER-LEVEL TROUGH MOVES ONSHORE, THE SNOW LEVELS WILL START TO  
LOWER OVER THE CASCADES AND PARTS OF THE NORTHERN ROCKIES. AS THE  
STORM DEVELOPS, SNOW WILL DEVELOP OVER PARTS OF THE GREAT BASIN  
AND NORTHERN ROCKIES BY TUESDAY EVENING. BY WEDNESDAY MORNING,  
SNOW WILL START TO DEVELOP OVER PART OF THE NORTHERN PLAINS AND  
RAIN OVER PARTS OF THE CENTRAL PLAINS AS SNOW DEVELOPS OVER THE  
NORTHERN/CENTRAL ROCKIES. IN THE MEANTIME, RAIN AND SNOW WILL  
DEVELOP OVER PARTS OF THE UPPER GREAT LAKES OVERNIGHT MONDAY  
ENDING BY TUESDAY EVENING.  
 
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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