562  
FXUS01 KWBC 011959  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
358 PM EDT FRI JUN 01 2018  
 
VALID 00Z SAT JUN 02 2018 - 00Z MON JUN 04 2018  
 
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF  
THE SOUTHEAST/TENNESSEE VALLEY...  
 
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF  
THE NORTHERN/CENTRAL PLAINS...  
 
...HEAVY RAIN POSSIBLE OVER PARTS OF THE MID-ATLANTIC AND  
NORTHERN/CENTRAL PLAINS...  
 
A DEEP UPPER-LEVEL TROUGH OVER THE EASTERN THIRD OF THE COUNTRY  
WILL FORM AN UPPER-LEVEL LOW OVER THE MID-ATLANTIC OVERNIGHT  
SATURDAY INTO SUNDAY MORNING. MOISTURE RICH AIR OVER THE REGION  
ALONG WITH DAYTIME HEATING WILL AID IN PRODUCING SHOWERS AND  
THUNDERSTORMS FROM THE NORTHEAST SOUTHWESTWARD TO THE  
CENTRAL/EASTERN GULF COAST ON FRIDAY EVENING. OVERNIGHT FRIDAY  
THE MOISTURE WILL MOVE OFF THE NORTHEAST COAST AS THE SHOWERS AND  
THUNDERSTORMS END BY SATURDAY MORNING. THE SHOWERS AND  
THUNDERSTORMS WILL CONTINUE OVER MID-ATLANTIC TO THE  
OHIO/TENNESSEE VALLEYS INTO THE SOUTHEAST THROUGH SUNDAY WITH A  
STRONG DIURNAL COMPONENT TO THE AREAL COVERAGE.  
 
MEANWHILE, A FRONT EXTENDING FROM NORTHERN/CENTRAL PLAINS INTO THE  
SOUTHWEST WILL MOVE EASTWARD AND SOUTHWARD TO THE GREAT LAKES AND  
THE OHIO/TENNESSEE VALLEYS INTO THE LOWER MISSISSIPPI  
VALLEY/WESTERN GULF COAST BY SUNDAY.  
 
ZIEGENFELDER  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  

 
 
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