953  
ACUS11 KWNS 031407  
SWOMCD  
SPC MCD 031407  
MEZ000-MAZ000-NHZ000-VTZ000-NYZ000-031600-  
 
MESOSCALE DISCUSSION 1546  
NWS STORM PREDICTION CENTER NORMAN OK  
0907 AM CDT THU JUL 03 2025  
 
AREAS AFFECTED...NEW ENGLAND  
 
CONCERNING...SEVERE POTENTIAL...SEVERE THUNDERSTORM WATCH LIKELY  
 
VALID 031407Z - 031600Z  
 
PROBABILITY OF WATCH ISSUANCE...80 PERCENT  
 
SUMMARY...MULTIPLE ROUNDS OF STRONG TO ISOLATED SEVERE THUNDERSTORMS  
APPEAR INCREASINGLY LIKELY ACROSS PARTS OF NEW ENGLAND INTO THIS  
AFTERNOON. ONE OR TWO SEVERE THUNDERSTORM WATCHES WILL PROBABLY BE  
ISSUED BEFORE MIDDAY AS STORMS INTENSIFY EASTWARD.  
 
DISCUSSION...TWO AREAS OF ONGOING CONVECTION, ONE ALONG THE ME/QC  
BORDER AND THE OTHER NEAR THE NY/VT BORDER VICINITY, SHOULD  
INTENSIFY AS THEY SPREAD EAST ACROSS PARTS OF NEW ENGLAND INTO  
MIDDAY. 12Z CAR SOUNDING SAMPLED A MODERATE COMBINATION OF MLCAPE  
AND EFFECTIVE BULK SHEAR WITH CONVECTIVE TEMPERATURE IN THE UPPER  
70S. 14Z SURFACE TEMPERATURES HAVE WARMED INTO THE UPPER 70S TO LOW  
80S WITH ABUNDANT INSOLATION AHEAD OF BOTH CONVECTIVE AREAS. WHILE  
THE 12Z HRRR APPEARS TO BE POORLY HANDLING THE NEAR-TERM SCENARIO,  
IT DOES SUGGEST ANOTHER ROUND OF STRONG TO POTENTIALLY SEVERE  
CONVECTION MAY EMANATE EASTWARD FROM ONGOING STORMS ACROSS THE SAINT  
LAWRENCE VALLEY NEAR NORTHERN NY. A MIX OF ISOLATED SEVERE HAIL WITH  
A PREDOMINANT THREAT OF SCATTERED STRONG TO LOCALIZED SEVERE GUSTS  
PRODUCING DAMAGING WINDS SEEMS PROBABLE.  
 
..GRAMS/MOSIER.. 07/03/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...CAR...GYX...BOX...BTV...ALY...  
 
LAT...LON 46086650 44986752 43766937 42547080 42357142 42407258  
42577335 43197332 43997237 44717200 45007240 45337216  
46427037 46976937 47356811 47126737 46086650  
 
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN  
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