249  
ACUS11 KWNS 312003  
SWOMCD  
SPC MCD 312002  
NJZ000-PAZ000-MDZ000-DEZ000-VAZ000-DCZ000-WVZ000-312200-  
 
MESOSCALE DISCUSSION 1855  
NWS STORM PREDICTION CENTER NORMAN OK  
0302 PM CDT THU JUL 31 2025  
 
AREAS AFFECTED...PARTS OF SOUTHERN PENNSYLVANIA...NEW  
JERSEY...DELAWARE...MUCH OF MARYLAND AND NORTHERN VIRGINIA INTO THE  
EASTERN WEST VIRGINIA PANHANDLE  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 562...  
 
VALID 312002Z - 312200Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 562  
CONTINUES.  
 
SUMMARY...THUNDERSTORM ACTIVITY MAY CONTINUE TO DEVELOP AND  
INTENSIFY ACROSS THE GREATER WASHINGTON D.C. INTO BALTIMORE  
VICINITIES THROUGH 5-6 PM EDT, ACCOMPANIED BY A RISK FOR POTENTIALLY  
DAMAGING WIND GUSTS.  
 
DISCUSSION...THE ENVIRONMENT ACROSS MUCH OF THE NORTHERN MID  
ATLANTIC, FROM GREATER PHILADELPHIA INTO THE GREATER NEW YORK CITY  
AREA, IS BECOMING SUBSTANTIALLY IMPACTED BY CONVECTIVE PRECIPITATION  
AND OUTFLOW. IN THE WAKE OF THIS ACTIVITY, IT APPEARS THAT THE  
SURFACE FRONT IS BEGINNING TO ADVANCE ACROSS AND SOUTH OF THE  
SOUTHERN PENNSYLVANIA STATE BORDER, INTO A SEASONABLY MOIST  
BOUNDARY-LAYER STILL SUPPORTING SIZABLE CAPE ACROSS THE EASTERN WEST  
VIRGINIA PANHANDLE THROUGH THE GREATER WASHINGTON D.C./BALTIMORE  
AREA, WHERE SHEAR REMAINS AT LEAST MARGINALLY CONDUCIVE TO ORGANIZED  
CONVECTIVE DEVELOPMENT NEAR THE SOUTHERN FRINGE OF THE WESTERLIES.  
 
..KERR.. 07/31/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...PHI...AKQ...CTP...LWX...RNK...  
 
LAT...LON 40077754 40027653 40097524 39737418 38427510 37627613  
37787858 39677877 40077754  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
 
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