810  
FXUS61 KBGM 291130  
AFDBGM  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BINGHAMTON NY  
630 AM EST SAT NOV 29 2025  
   
SYNOPSIS  
 
LAKE EFFECT SNOW WILL COME TO AN END LATER TODAY. THERE WILL BE A  
BRIEF DRY PERIOD BEFORE THE NEXT SYSTEM MOVES IN ON SUNDAY WITH RAIN  
AND SNOW SHOWERS. MORE WIDESPREAD SNOW SHOWERS ALONG WITH LIGHT  
ACCUMULATIONS WILL BE POSSIBLE ON TUESDAY.  
 
 
   
NEAR TERM /THROUGH TONIGHT/  
 
LAKE EFFECT SNOW WILL CONTINUE THROUGH THE EARLY MORNING HOURS.  
DRIER AIR WILL WORK ITS WAY INTO THE REGION LATER THIS MORNING WITH  
LAKE EFFECT SNOW SHOWERS GRADUALLY COME TO AN END EARLY THIS  
AFTERNOON. ADDITIONAL ACCUMULATIONS OF 1 TO 4 INCHES WILL BE  
POSSIBLE IN THE HEAVIEST BANDS. THE ADVISORY FOR STEUBEN COUNTY HAS  
ENDED BUT THE REST OF THE HEADLINES WILL REMAIN IN EFFECT UNTIL 7AM.  
TEMPERATURES WILL MAX OUT IN THE 30S TODAY. TONIGHT WILL START OUT  
DRY BUT A LOW PRESSURE SYSTEM WILL APPROACH THE REGION AS IT MOVES  
INTO THE GREAT LAKES REGION. WITH TEMPERATURES FALLING INTO THE 20S,  
ANY PRECIPITATION WITH THIS SYSTEM WILL BE SNOW. FOR TONIGHT, MOST  
ACCUMULATING SNOWFALL IS EXPECTED NORTH OF THE SOUTHERN TIER  
RESULTING IN A HALF INCH OR LESS. A NARROW BAND OF HIGHER MOISTURE  
SETS UP OVER NORTH-CENTRAL NY, SO N. ONEIDA COULD SEE AROUND 2  
INCHES BY SUNRISE SUNDAY MORNING.  
 
 
   
SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/  
 
THE AFOREMENTIONED LOW WILL CONTINUE TO MOVE ACROSS THE GREAT LAKES  
AND JUST NORTH OF THE REGION ON SUNDAY. SNOW WILL TRANSITION TO RAIN  
OR A RAIN/SNOW MIX AS TEMPERATURES WARM UP INTO THE 30S AND 40S.  
DESPITE THE WARMER TEMPERATURES, GUSTY WINDS WILL BRING DAYTIME WIND  
CHILLS DOWN INTO THE 20S AND 30S. A DRY SLOT WILL MOVE INTO THE  
REGION FOLLOWING THE PASSING OF A COLD FRONT LEADING TO MORE  
SCATTERED COVERAGE FROM THE SOUTHERN TIER AND AREAS SOUTHWARD.  
FURTHER NORTH, WRAP AROUND MOISTURE AND NORTHWESTERLY FLOW WILL  
SUPPORT LAKE ENHANCED SNOW SHOWERS AND ADDITIONAL ACCUMULATIONS  
OVERNIGHT. TOTAL ACCUMULATION BETWEEN SUNDAY AND SUNDAY NIGHT WILL  
BE 3 TO 7 INCHES IN N. ONEIDA. WITH THESE TOTALS, A WINTER WEATHER  
ADVISORY HAS BEEN ISSUED FROM EARLY SUNDAY MORNING THROUGH EARLY  
MONDAY MORNING. TEMPERATURES DROP INTO THE TEENS AND 20S.  
 
A WEAK RIDGE OF HIGH PRESSURE MOVES INTO THE REGION MONDAY WITH THE  
LOW MOVING OFF INTO THE CANADIAN MARITIMES. WINDS WILL REMAIN  
BLUSTERY TO START THE DAY BUT GRADUALLY BECOME CALMER THROUGH THE  
EVENING HOURS. HIGHS WILL ONLY BE IN THE 20S AND 30S. A WEAK WAVE  
WILL MOVE INTO THE REGION LATE MONDAY NIGHT/EARLY TUESDAY MORNING  
AND BRING A CHANCE FOR LIGHT SNOW SHOWERS. LITTLE TO NO ACCUMULATION  
IS EXPECTED. OVERNIGHT LOWS WILL BE IN THE TEENS TO MID 20S.  
 
 
   
LONG TERM /TUESDAY THROUGH FRIDAY/  
 
A SYSTEM WILL ORIGINATE OUT OF THE SOUTHEAST AND MOVE UP THE COAST  
ON TUESDAY AS THE AFOREMENTIONED WEAK WAVE CONTINUES TO MOVE  
THROUGH. AS MENTIONED IN PAST FORECAST UPDATES, THERE REMAINS QUITE  
A BIT OF UNCERTAINTY WITH THIS SYSTEM. LOOKING AT THE DETERMINISTIC  
GUIDANCE, THE GFS REMAINS THE FASTEST AND WETTEST COMPARED TO THE  
CMC AND ECMWF. ENSEMBLE GUIDANCE ALL SHOW WIDESPREAD ACCUMULATING  
SNOWFALL WITH THIS SYSTEM, THOUGH IF THE END RESULT IS LIKE THE GFS,  
THEN THERE WOULD BE RAIN OR A WINTRY MIX FOR THE FAR SOUTHERN  
COUNTIES IN OUR CWA. AS WE GET CLOSER TO THE THIS SYSTEM, THE  
DETAILS SHOULD BECOME MORE CLEAR AS SOLUTIONS COME INTO BETTER  
AGREEMENT. STAYING CONSISTENT WITH THE PREVIOUS UPDATE, THIS SYSTEM  
IS HIGHLIGHTED IN THE HWO.  
 
THIS SYSTEM MOVES OUT OF THE REGION BY WEDNESDAY WITH WEAK HIGH  
PRESSURE TAKING OVER. COOL, NORTHWEST FLOW MAY SUPPORT SOME LIGHT  
LAKE EFFECT SNOW OVER PORTIONS OF CENTRAL NY. THE QUIET CONDITIONS  
WILL BE SHORT-LIVED AS A FRONTAL SYSTEM DROPS SOUTH THURSDAY, THOUGH  
SIMILARLY WITH THE EARLY WEEK SYSTEM, THE EXACT TIMING IS UNCERTAIN.  
THEN BEHIND THE FRONT, ANOTHER WEAK DISTURBANCE LOOKS TO MOVE  
THROUGH BY THE END OF THE WORK WEEK.  
 
TEMPERATURES WILL BE BELOW AVERAGE THROUGHOUT THE LONG TERM PERIOD,  
THOUGH BECOME EVEN COLDER FOLLOWING THE FRONTAL PASSAGE LATE IN THE  
WEEK. THERE IS POTENTIAL FOR WIDESPREAD SINGLE DIGITS THURSDAY  
NIGHT/FRIDAY MORNING.  
 
 
   
AVIATION /12Z SATURDAY THROUGH WEDNESDAY/  
 
LAKE EFFECT SNOW CONTINUES OVER SYR AND OCCASIONALLY RME. FUEL  
ALT/MVFR RESTRICTIONS ARE EXPECTED BUT PERIODS OF IFR/LIFR  
VISIBILITIES WILL BE POSSIBLE AT SYR THROUGH AT LEAST 15Z. THE  
MAIN BAND OF SNOW WILL DRIFT WEST OF RME BY AROUND 15Z LEADING  
TO VFR CONDITIONS. WHILE SNOW WILL REMAIN OVER SYR THROUGH EARLY  
TO MID-AFTERNOON, CONDITIONS SHOULD ALSO IMPROVE TO VFR AS SNOW  
GRADUALLY BECOMES JUST FLURRIES. WITH LAKE EFFECT, THERE IS  
ALWAYS SOME UNCERTAINTY WITH BAND LOCATION AND RESTRICTIONS. ALL  
OTHER TERMINALS WILL BE VFR THROUGHOUT MOST OF THE TAF PERIOD.  
 
THE NEXT SYSTEM WILL MOVE IN LATE TONIGHT AND WILL BRING SNOW  
SHOWERS TO CENTRAL NY. CONFIDENCE IS HIGHEST AT SYR AND RME.  
WITH LOWER CONFIDENCE AT ITH, ELM, AND BGM, A TEMPO GROUP WAS  
ADDED WITH THE BEST ESTIMATE OF SNOW SHOWERS MOVING THROUGH.  
WHILE GUIDANCE IS NOT SHOWING ANY RESTRICTIONS WITH THESE SNOW  
SHOWERS, VISIBILITIES WILL LIKELY BE REDUCED TO AT LEAST MVFR  
LEVELS. AT THIS TIME, SNOW IS EXPECTED TO STAY NORTH OF AVP, AT  
LEAST PRIOR TO 12Z SUNDAY.  
 
WINDS WILL REMAIN BREEZY TO START TODAY BUT WILL GRADUALLY  
BECOME CALMER THIS AFTERNOON AND EVENING. AS THE NEXT SYSTEM  
APPROACHES THE REGION, WINDS BECOME STRONGER TONIGHT, ESPECIALLY  
AFTER 04Z. GUSTS WILL PEAK AROUND 20 TO 25 KTS PRIOR TO 12Z  
SUNDAY.  
 
OUTLOOK...  
 
SUNDAY...OCCASIONAL RESTRICTIONS POSSIBLE IN SCATTERED RAIN AND  
SNOW SHOWERS; GUST UP TO 30 KTS DURING THE DAY.  
 
MONDAY...MAINLY VFR; LOW CHANCE FOR SNOW SHOWERS LATE MONDAY  
NIGHT.  
 
TUESDAY...SNOW SHOWERS POSSIBLE AND ASSOCIATED RESTRICTIONS.  
 
WEDNESDAY...MAINLY VFR; SPOTTY LAKE EFFECT SNOW SHOWERS ARE  
POSSIBLE AROUND SYR AND RME.  
 
 
   
BGM WATCHES/WARNINGS/ADVISORIES  
 
PA...NONE.  
NY...LAKE EFFECT SNOW WARNING UNTIL 7 AM EST THIS MORNING FOR  
NYZ009-018-036-037.  
WINTER WEATHER ADVISORY FROM 1 AM SUNDAY TO 1 AM EST MONDAY  
FOR NYZ009.  
WINTER WEATHER ADVISORY UNTIL 7 AM EST THIS MORNING FOR NYZ017-  
044>046.  
 
 
 
 
 
SYNOPSIS...BTL  
NEAR TERM...BTL  
SHORT TERM...BTL  
LONG TERM...BTL/MJM  
AVIATION...BTL/ES  
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