963  
ACUS11 KWNS 062017  
SWOMCD  
SPC MCD 062017  
CTZ000-NYZ000-NJZ000-PAZ000-DEZ000-MDZ000-062215-  
 
MESOSCALE DISCUSSION 1005  
NWS STORM PREDICTION CENTER NORMAN OK  
0317 PM CDT SAT JUN 06 2026  
 
AREAS AFFECTED...WESTERN PENNSYLVANIA...NEW JERSEY...NEW  
YORK...NORTHERN MARYLAND...DELAWARE  
 
CONCERNING...SEVERE POTENTIAL...SEVERE THUNDERSTORM WATCH LIKELY  
 
VALID 062017Z - 062215Z  
 
PROBABILITY OF WATCH ISSUANCE...95 PERCENT  
 
SUMMARY...DOWNSTREAM DAMAGING WIND POTENTIAL WILL INCREASE INTO THE  
LATE AFTERNOON/EVENING.  
 
DISCUSSION...SEVERAL CLUSTERS OF SEVERE STORMS ARE ADVANCING  
EASTWARD ACROSS PA/WV THIS AFTERNOON PRODUCING GUSTS 60-70 MPH.  
THESE WILL LIKELY PERSIST DOWNSTREAM INTO PORTIONS OF NEW JERSEY,  
SOUTHEAST NEW YORK, NORTHERN MARYLAND, AND DELAWARE INCLUDING  
PHILADELPHIA AND NEW YORK CITY. THE ENVIRONMENT DOWNSTREAM IS  
CHARACTERIZED BY TEMPERATURES IN THE MID 80S TO 90S AND GRADUALLY  
INCREASING MLCAPE AROUND 1000 J/KG FROM THE WEST. STEEP LOW LEVEL  
LAPSE RATES AROUND 7-8 C/KM AND THE INCREASINGLY WARM AND UNSTABLE  
AIR MASS WILL SUPPORT MAINTENANCE OF THUNDERSTORMS DOWNSTREAM WITH  
POTENTIAL FOR CONTINUED GUSTS TO 70+ MPH. A WATCH WILL BE NEEDED  
SOON TO COVER THIS POTENTIAL.  
 
..THORNTON/THOMPSON.. 06/06/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...OKX...ALY...PHI...BGM...CTP...LWX...  
 
LAT...LON 41097636 41447570 41547373 41507292 41277221 40927223  
40237329 39577392 39087446 38897472 38817493 38977579  
39007650 39617667 41097636  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH  
MOST PROBABLE PEAK WIND GUST...75-90 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN  
 
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