939  
FXUS61 KBGM 041752  
AFDBGM  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BINGHAMTON NY  
152 PM EDT SUN OCT 4 2026  
   
WHAT HAS CHANGED  
 
PRECIPITATION CHANCES ADJUSTED MONDAY FOR LAKE EFFECT RAIN  
SHOWERS OVER NORTH CENTRAL NY.  
 
 
   
KEY MESSAGES  
 
1) DRY THIS MORNING, WITH PERIODS OF RAIN SHOWERS EXPECTED FOR  
PORTIONS OF THE REGION THIS AFTERNOON AND TONIGHT, FOLLOWED BY  
LAKE EFFECT RAIN SHOWERS ON MONDAY.  
 
2) MUCH COOLER WEATHER ARRIVES EARLY THIS WEEK, WITH WIDESPREAD  
FROST POSSIBLE MONDAY AND TUESDAY NIGHTS BEFORE WARMER  
CONDITIONS RETURN MIDWEEK.  
 
 
   
DISCUSSION  
 
KEY MESSAGE 1...  
 
HIGH PRESSURE SITS TO OUR EAST THIS MORNING, WITH MOSTLY CLEAR  
SKIES TO START THE DAY. CLOUDS WILL GRADUALLY INCREASE FROM WEST  
TO EAST AS A SYSTEM PASSES TO OUR NORTH AND SOUTH. THE FIRST  
WAVE WILL BRING A CHANCE FOR LIGHT RAIN SHOWERS TO NORTHEAST PA  
THIS AFTERNOON, WHILE A SECOND WAVE BRINGS ADDITIONAL SHOWERS  
TO NORTH CENTRAL NY THIS EVENING. ISOLATED SHOWERS MAY ALSO  
DEVELOP ACROSS THE FINGER LAKES AND PORTIONS OF THE SOUTHERN  
TIER BETWEEN THESE FEATURES. THE BETTER CHANCE FOR WIDESPREAD  
RAIN SHOWERS ARRIVES LATE TONIGHT INTO MONDAY MORNING AS LOW  
PRESSURE DRAGS A COLD FRONT THROUGH THE REGION. COLD AIR  
ADVECTION BEHIND THE FRONT WILL THEN ALLOW LAKE EFFECT RAIN  
SHOWERS TO DEVELOP ACROSS NORTH CENTRAL NY MONDAY. THESE SHOWERS  
MAY LINGER INTO THE EARLY AFTERNOON BEFORE HIGH PRESSURE  
BUILDING IN FROM THE WEST BRINGS DRIER CONDITIONS.  
 
KEY MESSAGE 2...  
 
HIGH PRESSURE SETTLES BACK INTO THE REGION MONDAY NIGHT,  
BRINGING NORTHWESTERLY FLOW AND A COOLER AIR MASS. WITH 850 MB  
TEMPERATURES FALLING TO AROUND 0 DEGREES C, HIGHS MONDAY AND  
TUESDAY WILL ONLY REACH THE 50S TO LOW 60S. OVERNIGHT LOWS  
MONDAY AND TUESDAY NIGHT WILL FALL INTO THE MID TO UPPER 30S,  
WITH PORTIONS OF NORTHERN ONEIDA COUNTY DROPPING BELOW FREEZING.  
FROST HAS BEEN INTRODUCED ACROSS MUCH OF THE AREA, WITH THESE  
TWO NIGHTS POTENTIALLY BRINING THE FIRST WIDESPREAD FROST OF THE  
FALL SEASON. BY WEDNESDAY MORNING, THE RIDGE AXIS AND SURFACE  
HIGH WILL SHIFT EAST OF THE REGION, ALLOWING SOUTHERLY FLOW TO  
RETURN AND USHER IN WARMER MORE MOIST AIR. TEMPERATURES SHOULD  
RETURN TO NEAR NORMAL FOR THE REMAINDER OF THE WEEK, WITH HIGHS  
GENERALLY IN THE 60S AND LOWS IN THE 40S.  
 
 
   
AVIATION /18Z SUNDAY THROUGH FRIDAY/  
 
SOME BRIEF MVFR IS POSSIBLE THIS AFTERNOON AS A FEW ELEVATED  
RAIN SHOWERS MOVE THROUGH, MAINLY AT ELM, BGM, AND AVP. TONIGHT,  
A FRONT MOVES THROUGH WITH INCREASING W TO NW WINDS AFTER  
MIDNIGHT. SOME FOG MAY FORM BRIEFLY AT ELM BUT GIVEN THE TIMING  
OF THE FRONT IS SPEEDING UP, NO FOG WAS INCLUDED IN THIS TAF  
PERIOD WITH LOWERING CONFIDENCE.  
 
SOME OF THE HIGHER RES MODELS SHOW A MVFR CLOUD DECK MOVING  
THROUGH WITH THE FRONT LATER TONIGHT SO A TEMPO WAS INCLUDED IN  
SYR AND RME, WITH PREDOMINANT MVFR AT ALL OTHER TERMINALS. AVP  
WILL HAVE BETTER LOW LEVEL MOISTURE AHEAD OF THE FRONT SO BRIEF  
IFR IS POSSIBLE.  
 
TOMORROW BEHIND THE FRONT, ANY REMAINING CLOUDS QUICKLY SCATTER  
BETWEEN 12Z AND 14Z WITH VFR AT ALL TERMINALS THERE AFTER.  
 
OUTLOOK...  
 
MONDAY AFTERNOON...MAINLY VFR CONDITIONS EXPECTED, LOW CHANCE  
FOR LAKE EFFECT RAIN SHOWERS AT SYR, RME OR ITH.  
 
MONDAY NIGHT THROUGH FRIDAY...MAINLY VFR, SOME POTENTIAL FOR  
MORNING FOG AT ELM.  
 
 
   
BGM WATCHES/WARNINGS/ADVISORIES  
 
PA...NONE.  
NY...NONE.  
 
 
 
 
 
DISCUSSION...ES/JTC  
AVIATION...AJG/SJW  
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