566  
FXUS01 KWBC 241912  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
311 PM EDT SUN MAR 24 2019  
 
VALID 00Z MON MAR 25 2019 - 00Z WED MAR 27 2019  
 
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF  
THE MIDDLE/LOWER MISSISSIPPI VALLEY WITH AN EMBEDDED AREA OF  
ENHANCED RISK...  
 
...HEAVY RAIN AT LOWER ELEVATIONS AND HEAVY SNOW AT HIGHER  
ELEVATIONS OF THE SIERRA NEVADA RANGE...  
 
LOW PRESSURE OVER THE MIDDLE MISSISSIPPI VALLEY WILL MOVE  
SOUTHEASTWARD TO THE SOUTHEAST COAST BY TUESDAY. THE SYSTEM WILL  
PRODUCE SHOWERS AND THUNDERSTORMS A LONG AND AHEAD OF THE  
ASSOCIATED FRONT FROM PARTS OF THE MIDDLE MISSISSIPPI AND WESTERN  
OHIO VALLEYS SOUTHWESTWARD TO PARTS OF THE SOUTHERN PLAINS/WESTERN  
GULF COAST THAT WILL MOVE SOUTHEASTWARD TO THE SOUTHEAST BY  
OVERNIGHT MONDAY AND MOVE OFF THE SOUTHEAST COAST BY TUESDAY  
MORNING. RAIN WILL ALSO DEVELOP OVER PARTS OF THE MIDDLE  
MISSISSIPPI AND WESTERN OHIO VALLEYS THAT WILL MOVE INTO THE  
MID-ATLANTIC BY MONDAY EVENING. THE RAIN WILL MOVE OFF THE  
MID-ATLANTIC COAST AND PARTS OF THE SOUTHEAST BY TUESDAY EVENING.  
 
MEANWHILE, A FRONT EXTENDING FROM THE NORTHEAST TO THE MIDDLE  
MISSISSIPPI VALLEY WILL MOVE SOUTHWARD AND MERGE WITH THE  
AFOREMENTIONED LOW OVER THE TENNESSEE VALLEY BY MONDAY MORNING AND  
OFF THE MID-ATLANTIC COAST BY MONDAY EVENING. THE BOUNDARY WILL  
AID IN PRODUCING LIGHT SNOW OVER PARTS OF THE NORTHEAST AND THE  
UPPER GREAT LAKES THAT WILL DISSIPATE OVER PARTS OF THE NORTHEAST  
BY MONDAY MORNING. IN ADDITION, UPPER-LEVEL ENERGY OVER THE  
NORTHERN ROCKIES WILL MOVE SOUTHEASTWARD TO THE EASTERN GULF COAST  
BY TUESDAY EVENING. THE ENERGY WILL PRODUCE LOWER ELEVATION RAIN  
AND HIGHER ELEVATION SNOW OVER PARTS OF THE NORTHERN INTERMOUNTAIN  
REGION INTO PARTS OF THE NORTHERN/CENTRAL ROCKIES AND THE NORTHERN  
HIGH PLAINS THAT WILL DISSIPATE OVER THE NORTHERN/CENTRAL ROCKIES  
BY MONDAY AFTERNOON. ON MONDAY, AN AREA OF RAIN AND SNOW WILL  
MOVE INTO PARTS OF THE NORTHERN PLAINS AND DISSIPATE OVERNIGHT  
MONDAY.  
 
ELSEWHERE, A FRONT OVER THE EASTERN PACIFIC WILL MOVE ONSHORE OVER  
THE WEST COAST OVERNIGHT SUNDAY MOVING INLAND TO THE NORTHERN  
ROCKIES/NORTHERN HIGH PLAINS INTO PARTS OF THE GREAT  
BASIN/SOUTHERN CALIFORNIA BY TUESDAY. THE SYSTEM WILL PRODUCE  
RAIN AND HIGHER ELEVATION SNOW OVER PARTS OF CALIFORNIA AND THE  
PACIFIC NORTHWEST ON MONDAY THAT WILL MOVE INTO PARTS OF THE  
NORTHERN ROCKIES INTO THE GREAT BASIN BY TUESDAY.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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