267  
FXUS61 KBGM 251809  
AFDBGM  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BINGHAMTON NY  
109 PM EST SUN JAN 25 2026  
   
WHAT HAS CHANGED  
 
MINOR ADJUSTMENTS TO THE ONGOING WINTER STORM BASED ON THE  
LATEST MODEL GUIDANCE AND OBSERVATIONS.  
 
 
   
KEY MESSAGES  
 
1) HIGH IMPACT WINTER STORM IN PROGRESS, TAPERS OFF TO SNOW  
SHOWERS AND BLOWING SNOW BY MONDAY.  
 
2) LINGERING LAKE EFFECT SNOW SHOWERS MONDAY NIGHT, WITH WEAK  
CLIPPERS AND ADDITIONAL CHANCES FOR SCATTERED LAKE EFFECT SNOW  
SHOWERS THROUGH MUCH OF NEXT WEEK.TEMPERATURES REMAIN BELOW AVERAGE  
RIGHT INTO NEXT WEEKEND, WITH ONLY A SLIGHT MODERATING TREND.  
 
 
   
DISCUSSION  
 
KEY MESSAGE 1...  
 
SNOW CONTINUES TO MOVE NORTHWARD THROUGH THE REGION THIS  
AFTERNOON AS LOW PRESSURE DEVELOPS IN THE DELMARVA REGION BY  
EVENING. SOMEWHAT WARMER AND MOISTER AIR WILL CONTINUED TO BE  
ADVECTED INTO THE REGION THROUGH THE EARLY EVENING. FEGN FORCING  
FROM 600-800 MB CONTINUES TO SUPPORT THE POTENTIAL FOR SNOWFALL  
RATES FROM BANDING AROUND 2 INCHES PER HOUR FOR MOST OF CNY AND  
NEPA FROM EARLY THIS AFTERNOON INTO THE EARLY EVENING HOURS.  
THIS SIGNAL IS STILL SHOWING UP ON MOST OF THE HIRES MODEL  
GUIDANCE. LIGHTER SNOW SHOWERS SHOULD LAST THROUGH THE OVERNIGHT  
AND MONDAY. OVERALL, TIMING CONTINUES TO TREND SLIGHTLY FASTER.  
MODELED SOUNDINGS AND OBSERVATIONS SEEM TO INDICATE RATIOS OF  
15-20:1 TOO. THESE STILL MAY LOWER SOME IN THE WYOMING VALLEY AS  
WARMER AIR ALOFT MOVES IN. A CHANGEOVER TO SLEET IS LOOKING TO  
BE LESS OF A POTENTIAL NOW THOUGH. OVERALL, TOTALS HAVE COME UP  
A BIT FOR NEPA (10-15IN) AND ARE ABOUT THE SAME IN CNY (15-20IN).  
TEMPERATURES LOOK TO REMAIN IN THE SINGLE DIGITS TODAY, PERHAPS  
RISING INTO THE TEENS TONIGHT. WITH A LITTLE BIT OF WIND,  
SINGLE DIGIT TO BELOW ZERO WIND CHILLS ARE POSSIBLE AS WELL.  
 
COLD WEATHER CONTINUES MONDAY WITH TEMPERATURES STILL MAINLY IN  
THE TEENS FOR HIGHS, MAYBE A FEW LOW 20'S. OUR MAIN CONCERN  
WILL BE FROM BLOWING SNOW AS WINDS INCREASE DURING THE  
AFTERNOON HOURS. SOME ADDITIONAL SNOW SHOWERS SHOULD OCCUR AS  
WELL. WITH A WEST TO NORTHWEST FLOW SOME LAKE RESPONSE IS  
LIKELY TO OCCUR OFF OF LAKE ONTARIO BRINGING A HIGHER COVERAGE  
OF SNOW SHOWERS TOWARD THE NY THRUWAY CORRIDOR. RATIOS SHOULD  
CONTINUE TO HIGH, SO ANOTHER INCH OR TWO OF FLUFF IS QUITE  
POSSIBLE BY MONDAY NIGHT.  
 
KEY MESSAGE 2...  
 
AS THE UPPER TROUGH MENTIONED ABOVE DEPARTS TO THE EAST AND  
WEAK RIDGING BUILDS IN ALOFT, WINDS BECOME MORE WEST THEN  
SOUTHWESTERLY EARLY TUESDAY MORNING WHICH WILL LIFT THE LAKE  
EFFECT SNOW TO THE NORTH OF THE I-90 CORRIDOR TOWARD DAYBREAK.  
LOWS MONDAY NIGHT WILL BE IN THE SINGLE DIGITS TO A FEW DEGREES  
BELOW ZERO.  
 
A WEAKENING CLIPPER APPROACHING FROM THE NORTH AND WEST TUESDAY  
CAN LEAD TO SOME SCATTERED LIGHT SNOW SHOWERS ACROSS THE AREA,  
ESPECIALLY OVER CNY. THIS SYSTEM WILL BRING WITH IT A  
REINFORCING SHOT OF COLD AIR AND AS THE UPPER LEVEL SHORTWAVE  
WITH THIS DISTURBANCE SWINGS THROUGH, WEST TO NORTHWESTERLY  
WINDS ARE EXPECTED TO LEAD TO LAKE EFFECT SNOW SHOWERS DROPPING  
BACK SOUTH INTO CNY TUESDAY NIGHT INTO WEDNESDAY. HIGHS TUESDAY  
RANGE FROM THE UPPER SINGLE DIGITS TO MID-TEENS. LOWS TUESDAY  
NIGHT RANGE FROM ABOUT 5 DEGREES ABOVE TO 5 DEGREES BELOW ZERO.  
 
THE NEXT DEEPER 500MB TROUGH DROPS INTO THE REGION WEDNESDAY  
NIGHT AND THURSDAY, ALONG WITH A POTENTIAL CLIPPER SYSTEM. THIS  
WILL KEEP CHANCES FOR SNOW SHOWERS IN THE FORECAST, ESPECIALLY  
ACROSS CNY. AT THIS TIME, MODEL GUIDANCE KEEPS A RATHER STAGNANT  
PATTERN OVER THE AREA RIGHT INTO NEXT WEEKEND, WITH THE A 500MB  
TROUGH IN PLACE ACROSS THE GREAT LAKES AND NORTHEAST, AND  
OCCASIONAL CLIPPER SYSTEMS AND LAKE EFFECT SNOW SHOWERS OFF OF  
LAKE ONTARIO. WITH THE NBM BEING UNDERDONE WITH THIS LAKE EFFECT  
SETUP, THE CANADIAN WAS BLENDED INTO THE FORECAST THROUGH THE  
END OF THE WEEK TO INCREASE POPS IN THE FAVORED LOCATIONS.  
TEMPERATURES REMAIN STEADY, WITH LOWS 5 BELOW TO 5 ABOVE ZERO,  
AND HIGHS IN THE UPPER SINGLE DIGITS TO TEENS THROUGH AT LEAST  
FRIDAY.  
 
 
   
AVIATION /18Z SUNDAY THROUGH FRIDAY/  
 
WIDESPREAD SNOW WITH LIFR/VLIFR CONDITIONS ACROSS THE REGION.  
THIS IS EXPECTED TO CONTINUE THROUGH THE AFTERNOON AS HEAVIER  
SNOW MOVES INTO THE AREA. RESTRICTIONS SHOULD RISE TO IFR/LIFR  
BY MID EVENING AS THE HEAVIER SNOW MOVES OUT OF THE AREA. SNOW  
SHOULD END AT ELM/AVP DURING THE OVERNIGHT HOURS WITH MVFR  
CONDITIONS STICKING AROUND. BGM/ITH/SYR/RME WILL CONTINUE TO SEE  
SNOW SHOWERS THROUGH THE OVERNIGHT HOURS WITH IFR RESTRICTIONS  
EXPECTED. BGM AND ITH SHOULD LIFT TO MVFR BY MID MORNING WHILE  
SYR/RME REMAIN IFR AS SNOW REMAINS.  
 
OUTLOOK...  
 
MONDAY AFTERNOON AND NIGHT...LINGERING SNOW SHOWERS AND/OR LAKE  
EFFECT POSSIBLE WITH ASSOCIATED RESTRICTIONS. BLOWING SNOW IN  
THE AFTERNOON AS NW WINDS GUSTS 25-35 MPH AT TIMES.  
 
TUESDAY THRU THURSDAY...ISOLATED SNOW SHOWERS WITH ASSOCIATED  
RESTRICTIONS, OTHERWISE MAINLY VFR.  
 
 
   
BGM WATCHES/WARNINGS/ADVISORIES  
 
PA...WINTER STORM WARNING UNTIL 7 PM EST MONDAY FOR PAZ038>040.  
WINTER STORM WARNING UNTIL 1 PM EST MONDAY FOR PAZ043-044-047-  
048-072.  
NY...WINTER STORM WARNING UNTIL 7 PM EST MONDAY FOR NYZ009-015>018-  
022>025-036-037-044>046-055>057-062.  
 
 
 
 
 
DISCUSSION...MJM/MWG  
AVIATION...JTC  
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