768  
ACUS11 KWNS 061958  
SWOMCD  
SPC MCD 061957  
PAZ000-MDZ000-WVZ000-VAZ000-062200-  
 
MESOSCALE DISCUSSION 1004  
NWS STORM PREDICTION CENTER NORMAN OK  
0257 PM CDT SAT JUN 06 2026  
 
AREAS AFFECTED...CENTRAL PENNSYLVANIA INTO NORTHERN MARYLAND/WEST  
VIRGINIA  
 
CONCERNING...SEVERE THUNDERSTORM WATCH 278...  
 
VALID 061957Z - 062200Z  
 
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 278  
CONTINUES.  
 
SUMMARY...SEVERE THREAT CONTINUES WITHIN WW277 AND WW278.  
 
DISCUSSION...SEVERAL CLUSTERS OF THUNDERSTORM ACTIVITY CONTINUE  
ACROSS MUCH OF PA INTO NORTHERN MD/WV THIS AFTERNOON. THE STRONGEST  
CLUSTER TO THE SOUTH HAS PRODUCED WINDS AROUND 60-75 MPH OVER THE  
LAST HOUR. RADAR PRESENTATION CONTINUES TO SHOW 50-60 KT WINDS IN  
THE LOWEST 3-5 KFT. GIVEN CONTINUED WARMING/DESTABILIZATION TO THE  
EAST, THIS WILL LIKELY BE WHERE THE GREATEST SHORT TERM RISK FOR  
SEVERE WINDS 60-70+ MPH. ADDITIONALLY, STRONG TO SEVERE GUSTS WILL  
CONTINUE WITH THE CLUSTERS TO THE NORTH AND EAST.  
 
..THORNTON.. 06/06/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...PHI...CTP...LWX...PBZ...RLX...  
 
LAT...LON 39227844 39197873 39207941 39298027 39458019 39947931  
40267932 40877893 41097872 41607810 41687738 41467649  
41107636 40557638 39987654 39537706 39297789 39227844  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN  
 
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