534  
ACUS11 KWNS 171600  
SWOMCD  
SPC MCD 171600  
NYZ000-PAZ000-WVZ000-OHZ000-172000-  
 
MESOSCALE DISCUSSION 0024  
NWS STORM PREDICTION CENTER NORMAN OK  
1000 AM CST SAT JAN 17 2026  
 
AREAS AFFECTED...EASTERN OH AND WESTERN PA/NY  
 
CONCERNING...SNOW SQUALL  
 
VALID 171600Z - 172000Z  
 
SUMMARY...SNOW SQUALLS ARE LIKELY TO ACCOMPANY A COLD FRONT PUSHING  
EAST ACROSS EASTERN OHIO INTO WESTERN PORTIONS OF PENNSYLVANIA AND  
NEW YORK THROUGH THIS AFTERNOON.  
 
DISCUSSION...LOW-TOPPED CONVECTION HAS RECENTLY INCREASED ALONG A  
COLD FRONT PROGRESSING THROUGH NORTH-CENTRAL/NORTHEAST INTO CENTRAL  
OHIO. BOTH KLPR AND KOSU SAMPLED A VISIBILITY REDUCTION TO  
QUARTER-MILE WITH GUSTS OF 30 AND 31 KTS RESPECTIVELY, AND KMFD  
RECENTLY DROPPED TO QUARTER MILE AS WELL. THE MORE ORGANIZED PORTION  
OF THE SNOW SQUALLS WILL PROBABLY BE CONFINED CLOSER TO LAKE ERIE,  
WHERE STRONGER LOW-LEVEL CONVERGENCE IS ANTICIPATED. STEEP LOW-LEVEL  
LAPSE RATES ALONG/AHEAD OF THE FRONT ARE THE PRIMARY DRIVER OF A  
FAVORABLE THERMODYNAMIC ENVIRONMENT WITH SPC MESOSCALE ANALYSIS  
ESTIMATES OF A 2-4 SNOW SQUALL PARAMETER. THIS IS EXPECTED TO SHIFT  
EAST WITH THE FRONT, FAVORING SNOW SQUALL PRODUCTION THROUGHOUT THE  
AFTERNOON.  
 
..GRAMS.. 01/17/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...BUF...CTP...PBZ...CLE...ILN...  
 
LAT...LON 41518163 42288020 42907905 43077855 42927810 42427808  
41677831 41237869 40577952 40168084 39988148 39978212  
40218248 41518163  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SPC Page Main Text Page