464  
ACUS11 KWNS 161656  
SWOMCD  
SPC MCD 161656  
CTZ000-NYZ000-NJZ000-PAZ000-DEZ000-MDZ000-VAZ000-WVZ000-161830-  
 
MESOSCALE DISCUSSION 2381  
NWS STORM PREDICTION CENTER NORMAN OK  
1156 AM CDT FRI OCT 16 2026  
 
AREAS AFFECTED...PORTIONS OF PA INTO SOUTHERN NY...NJ...DE...MD AND  
NORTHERN WV/VA  
 
CONCERNING...SEVERE POTENTIAL...WATCH LIKELY  
 
VALID 161656Z - 161830Z  
 
PROBABILITY OF WATCH ISSUANCE...80 PERCENT  
 
SUMMARY...ISOLATED GUSTY WINDS MAY ACCOMPANY SHOWERS AND  
THUNDERSTORMS OVER THE NEXT COUPLE OF HOURS ACROSS PORTIONS OF  
CENTRAL PA SOUTHWESTWARD INTO NORTHERN WV AND WESTERN MD. SEVERE  
POTENTIAL MAY INCREASE LATER THIS AFTERNOON INTO EARLY EVENING  
TOWARD SOUTHERN NY AND THE DELMARVA VICINITY.  
 
DISCUSSION...CONVECTION IS GRADUALLY INCREASING IN INTENSITY ACROSS  
WESTERN PA EARLY THIS AFTERNOON ALONG/JUST AHEAD OF A SURFACE COLD  
FRONT. DOWNSTREAM, STRONGER HEATING IS OCCURRING WITHIN A CORRIDOR  
OF SCATTERED TO BROKEN CLOUDINESS ACROSS CENTRAL PA INTO ADJACENT  
PORTIONS OF WV/WESTERN MD. TEMPERATURES HAVE WARMED INTO THE 70S  
WHERE THIS STRONGER HEATING HAS OCCURRED, AND WEAK DESTABILIZATION  
IS UNDERWAY. WHILE INSTABILITY AND LAPSE RATES ARE EXPECTED TO  
REMAIN RATHER MILD, STRONG DEEP-LAYER FLOW WILL SUPPORT TRANSIENT  
ORGANIZED BOWING STRUCTURES, AND STRONG GUSTS AT THE SURFACE WILL BE  
POSSIBLE WHERE MORE SUBSTANTIAL HEATING OCCURS. UNCERTAINTY EXISTS  
WITH NORTH AND EAST EXTENT ACROSS THE MID-ATLANTIC/SOUTHERN NEW  
ENGLAND GIVEN PERSISTENT STRATUS AND MORE MUTED HEATING. CONVECTIVE  
TRENDS ARE BEING MONITORED FOR POSSIBLE WATCH ISSUANCE.  
 
..LEITMAN/GUYER.. 10/16/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...OKX...ALY...PHI...BGM...CTP...LWX...PBZ...RLX...  
 
LAT...LON 41927646 42207485 42157436 41927381 41757362 41417363  
41037356 40617376 40267413 39497553 39107674 39007719  
38917837 39007944 39188018 39578030 40018028 40457997  
41007920 41637754 41927646  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
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