313  
ACUS11 KWNS 012240  
SWOMCD  
SPC MCD 012240  
CTZ000-MAZ000-NYZ000-NJZ000-PAZ000-020015-  
 
MESOSCALE DISCUSSION 1427  
NWS STORM PREDICTION CENTER NORMAN OK  
0540 PM CDT WED JUL 01 2026  
 
AREAS AFFECTED...PORTIONS OF THE NORTHEAST  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 012240Z - 020015Z  
 
PROBABILITY OF WATCH ISSUANCE...20 PERCENT  
 
SUMMARY...ISOLATED STRONG TO OCCASIONALLY SEVERE THUNDERSTORMS HAVE  
DEVELOPED ACROSS PORTIONS OF SOUTHERN NEW YORK, NORTHEASTERN  
PENNSYLVANIA, AND NORTHERN NEW JERSEY. THESE STORMS MAY POSE A  
LOCALIZED RISK FOR DAMAGING WIND GUSTS AND LARGE HAIL.  
 
DISCUSSION...ISOLATED THUNDERSTORMS HAVE DEVELOPED ACROSS PORTIONS  
OF THE NORTHEAST TO THE SOUTH OF ONGOING SEVERE THUNDERSTORM WATCH  
432 AMID A HOT, HUMID AIR MASS. WEAK EFFECTIVE SHEAR AND MEAGER  
DEEP-LAYER FLOW (LESS THAN 25-30 KTS SAMPLED THROUGHOUT THE COLUMN  
BY THE BGM/ENX VWPS) WILL LARGELY LIMIT THE POTENTIAL FOR STORM  
ORGANIZATION, BUT STRONG BUOYANCY, HIGH MOISTURE CONTENT, AND  
MODESTLY STEEP LOW-LEVEL LAPSE RATES WILL SUPPORT THE POTENTIAL FOR  
SPORADIC DAMAGING WIND GUSTS WITH STRONGER DOWNBURSTS. MARGINALLY  
SEVERE HAIL MAY ALSO OCCUR WITH THE STRONGEST CORES. THE OVERALL  
SEVERE RISK IS GENERALLY EXPECTED TO REMAIN TOO ISOLATED FOR WATCH  
ISSUANCE.  
 
A LOCALLY GREATER SEVERE RISK, PRIMARILY FOR DAMAGING WIND GUSTS,  
COULD MATERIALIZE LATER THIS EVENING ACROSS THE NORTHERN PORTIONS OF  
THE DRAWN AREA AS AN ONGOING LINEAR SEGMENT CURRENTLY LOCATED NORTH  
OF BUFFALO AND MODESTLY STRONGER MID/UPPER FLOW PROGRESS EASTWARD.  
 
..CHALMERS/THOMPSON.. 07/01/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...OKX...ALY...PHI...BGM...CTP...  
 
LAT...LON 41277655 41857670 42507655 42667608 42657515 42457407  
42227351 41957319 41407318 40667373 40317432 40147469  
40157519 40617610 41277655  
 
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
 
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