877  
FXUS01 KWBC 141843  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
242 PM EDT THU MAY 14 2026  
 
VALID 00Z FRI MAY 15 2026 - 00Z SUN MAY 17 2026  
 
...SLIGHT RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER PARTS OF  
THE CENTRAL PLAINS ON THURSDAY...  
 
...SLIGHT RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS OVER PARTS OF  
THE CENTRAL PLAINS/MIDDLE MISSISSIPPI VALLEY ON FRIDAY...  
 
...MIXED PRECIPITATION FOR THE PACIFIC NORTHWEST AND NORTHERN  
INTERMOUNTAIN REGION THROUGH SATURDAY...  
 
ACROSS CENTRAL U.S. A FRONTAL BOUNDARY STRETCHING FROM NORTHERN  
PLAINS/UPPER MIDWEST INTO SOUTHERN PLAINS WILL BE THE FOCUS FOR  
SCATTERED SHOWERS AND THUNDERSTORMS TONIGHT INTO FRIDAY. WITH  
SUFFICIENT INSTABILITY, CHANCES FOR SEVERE THUNDER STORMS WILL BE  
LIKELY. THEREFORE, STORM PREDICTION CENTER (SPC) HAS ISSUED A  
SLIGHT RISK (LEVEL 2/5) OF SEVERE THUNDERSTORMS ACROSS PARTS OF  
THE CENTRAL PLAINS AND SOUTHERN HIGH PLAINS. ADDITIONAL HAZARDS  
ASSOCIATED WITH THE STORM WILL BE HAIL AND SEVERE WIND GUSTS. THE  
FRONT WILL BECOME SEMI-STATIONARY ACROSS THE PLAINS/MISSISSIPPI  
VALLEY FROM FRIDAY INTO SATURDAY, CONTINUING CHANCES FOR SHOWERS  
AND THUNDERSTORMS THROUGH THE WEEKEND. IN ADDITION, SPC HAS ISSUED  
A SLIGHT RISK (LEVEL 2/5) FOR SEVERE THUNDERSTORMS ACROSS PORTIONS  
OF THE LOWER MISSOURI RIVER VALLEY FOR FRIDAY INTO SATURDAY. THE  
SEVERE THUNDERSTORM THREAT WILL EXPAND SATURDAY INTO SUNDAY ACROSS  
PARTS OF THE CENTRAL PLAINS INTO LOWER TO MID MISSOURI VALLEY AS  
THE STATIONARY FRONTAL SYSTEM THAT STRETCHES ACROSS THE GREAT  
BASIN INTO MID-MISSISSIPPI VALLEY, OHIO VALLEY, AND GREAT LAKES  
BRINGS ADDITIONAL SHOWERS AND THUNDERSTORMS ALONG THE BOUNDARY.  
 
THE SURFACE LOW OVER NORTHEAST WILL CONTINUE TO MOVE OFFSHORE, BUT  
A SHORTWAVE TROUGH WILL BRING SOME SCATTERED SHOWERS WITH A CHANCE  
FOR SOME ISOLATED THUNDERSTORMS THROUGH EARLY FRIDAY MORNING. THE  
LINGERING FRONT AND SHORTWAVE ENERGY NEAR FLORIDA WILL PRODUCE  
SOME OCCASIONAL SHOWERS AND THUNDERSTORMS INTO SUNDAY. OVER INTO  
THE WEST, A WEAK COLD FRONT WILL MOVE INTO THE PACIFIC NORTHWEST  
AND A SHORTWAVE TROUGH WILL BRING SOME OCCASIONAL LOW ELEVATION  
RAIN, AND HIGH ELEVATION SNOW/MIXED PRECIPITATION THROUGH SUNDAY.  
 
TEMPERATURES CONTINUE TO TREND ABOVE NORMAL ACROSS MUCH OF CENTRAL  
U.S., INTO THE WEEKEND. AS THE UPPER-LEVEL RIDGE SLOWLY MOVES  
EASTWARD, MODERATE TEMPERATURES OVER EASTERN U.S. WILL TREND ABOVE  
AVERAGE INTO SUNDAY. ACROSS THE WEST, BELOW NORMAL TEMPERATURE  
RETURN AS THE SHORTWAVE TROUGH MOVES INTO THE AREA.  
 
OUDIT  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 

 
 
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