069  
ACUS11 KWNS 132155  
SWOMCD  
SPC MCD 132154  
NYZ000-PAZ000-140000-  
 
MESOSCALE DISCUSSION 0715  
NWS STORM PREDICTION CENTER NORMAN OK  
0454 PM CDT WED MAY 13 2026  
 
AREAS AFFECTED...NORTH-CENTRAL PENNSYLVANIA INTO EASTERN NEW YORK  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 132154Z - 140000Z  
 
PROBABILITY OF WATCH ISSUANCE...5 PERCENT  
 
SUMMARY...A BROKEN LINE OF THUNDERSTORMS MAY PRODUCE INSTANCES OF  
STRONG WINDS AND SMALL HAIL.  
 
DISCUSSION...A BROKEN LINE OF THUNDERSTORMS IS MOVING NORTHEAST  
ACROSS PORTIONS OF NORTHERN PENNSYLVANIA INTO EASTERN NEW YORK WITH  
SOME BRIEF ENHANCEMENT OF ECHO TOPS/INTENSITY SHOWN THIS AFTERNOON.  
RECENT GUSTS TO AROUND 50 MPH WERE RECORDED NEAR SYRACUSE, NY. THE  
ENVIRONMENT DOWNSTREAM IS LARGELY COOLER AND MORE STABLE. SOME  
WARMER TEMPS AND DEW POINTS IN THE LOW TO MID 50S ARE IN PLACE  
ACROSS EASTERN PA AMID STEEP LOW TO MID-LEVEL LAPSE RATES. THIS MAY  
SUPPORT MIXING DOWN OF STRONGER 850 MB FLOW AND A FEW INSTANCES OF  
STRONG WIND GUSTS AND PERHAPS SMALL HAIL. OVERALL, THIS THREAT  
SHOULD REMAIN SHORT IN DURATION GIVEN LOSS OF DAYTIME HEATING SOON.  
 
..THORNTON/SMITH.. 05/13/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...ALY...PHI...BGM...BUF...CTP...  
 
LAT...LON 41687737 42547672 43057643 43587621 43887598 43777541  
43387510 42877507 42067524 41277560 40727590 40447617  
40297668 40397721 40637767 40917769 41687737  
 
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
 
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