511  
ACUS11 KWNS 051703  
SWOMCD  
SPC MCD 051702  
PAZ000-WVZ000-OHZ000-051900-  
 
MESOSCALE DISCUSSION 0691  
NWS STORM PREDICTION CENTER NORMAN OK  
1202 PM CDT MON MAY 05 2025  
 
AREAS AFFECTED...PARTS OF WV...EASTERN OH...AND WESTERN PA  
 
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE  
 
VALID 051702Z - 051900Z  
 
PROBABILITY OF WATCH ISSUANCE...60 PERCENT  
 
SUMMARY...AT LEAST ISOLATED SEVERE HAIL AND DAMAGING WINDS WILL BE  
POSSIBLE THIS AFTERNOON FROM PARTS OF WEST VIRGINIA ACROSS THE UPPER  
OHIO VALLEY TOWARDS LAKE ERIE. MONITORING FOR A POTENTIAL SEVERE  
THUNDERSTORM WATCH ACROSS PARTS OF THE REGION.  
 
DISCUSSION...ISOLATED THUNDERSTORMS HAVE GRADUALLY DEVELOPED ACROSS  
FAR SOUTHERN WV, WITHIN THE LEFT-EXIT OF A MID-LEVEL JETLET CURLING  
NORTH, EAST OF THE SOUTHERN APPALACHIANS. SCATTERED SHOWERS ARE ALSO  
PREVALENT FROM NORTHERN VA INTO WESTERN PA BENEATH A SEPARATE  
UPPER-LEVEL JETLET. CLOSER TO THE COLD-CORE OF THE OH VALLEY  
MID-LEVEL LOW, CONVECTIVE TEMPERATURES HAVE BEEN BREACHED ACROSS THE  
UPPER OH VALLEY. THIS SUGGESTS ONGOING CELLS IN SOUTHERN WV SHOULD  
INTENSIFY/INCREASE IN COVERAGE BY MID-AFTERNOON AS THEY SPREAD  
NORTH-NORTHWESTWARD, YIELDING A CORRIDOR OF SEVERE HAIL/DAMAGING  
WIND POTENTIAL. FARTHER NORTH, GREATER CLOUD COVERAGE/ONGOING  
SHOWERS MAY RESULT IN A MORE MARGINAL/SPORADIC HAIL/WIND THREAT.  
 
..GRAMS/GLEASON.. 05/05/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...CTP...PBZ...RLX...CLE...ILN...  
 
LAT...LON 41897993 41427906 40647907 40197947 39658020 38008111  
37758192 38028226 39908255 40718230 41868070 41897993  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN  
 
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