194  
ACUS11 KWNS 260043  
SWOMCD  
SPC MCD 260043  
PAZ000-WVZ000-260145-  
 
MESOSCALE DISCUSSION 1324  
NWS STORM PREDICTION CENTER NORMAN OK  
0743 PM CDT THU JUN 25 2026  
 
AREAS AFFECTED...WESTERN PENNSYLVANIA  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 394...  
 
VALID 260043Z - 260145Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 394  
CONTINUES.  
 
SUMMARY...THE THREAT FOR SEVERE STORMS WILL CONTINUE TO DIMINISH  
SLOWLY THROUGH EARLY TONIGHT, AND THE WATCH CAN LIKELY BE CANCELED  
BY ABOUT 01-02Z.  
 
DISCUSSION...WITH THE LOSS OF DAYTIME HEATING, LOW-LEVEL STATIC  
STABILITY HAS ALREADY BEGUN TO SLOWLY INCREASE FROM PA INTO OH AS  
SURFACE TEMPERATURES COOL. WIDELY SCATTERED THUNDERSTORMS ARE STILL  
ONGOING IN AN ENVIRONMENT WITH SUFFICIENT VERTICAL SHEAR FOR  
SUPERCELLS, BUT THE STORMS ARE EXPECTED TO SLOWLY WEAKEN AND BECOME  
ROOTED SLIGHTLY ABOVE THE SURFACE WITH TIME. THE OVERALL SEVERE  
THREAT HAS BECOME MARGINAL AND THE WATCH CAN LIKELY BE CANCELED BY  
01-02Z.  
 
..THOMPSON.. 06/26/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...CTP...PBZ...  
 
LAT...LON 40347815 40107872 40027946 40138048 40488054 40908036  
41217987 41297885 41097806 40687797 40347815  
 
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
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