941  
FXUS61 KBGM 170517  
AFDBGM  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BINGHAMTON NY  
117 AM EDT WED SEP 17 2025  
   
SYNOPSIS  
 
HIGH PRESSURE WILL BE LARGELY IN CONTROL THROUGH EARLY NEXT  
WEEK. ASIDE FROM A SMALL CHANCE FOR A FEW SHOWERS FROM A COASTAL  
LOW LATER TONIGHT THROUGH WEDNESDAY FOR THE TWIN TIERS,  
CATSKILLS AND NORTHEAST PA, DRY CONDITIONS WILL PERSIST ALONG  
WITH ABOVE AVERAGE TEMPERATURES.  
 
 
   
NEAR TERM /THROUGH TODAY/  
 
BROAD SURFACE HIGH PRESSURE CURRENTLY CENTERED OVER SOUTHERN  
QUEBEC WILL GRADUALLY MOVE EASTWARD TONIGHT TOWARD THE NEW  
ENGLAND COAST WHILE A STACKED COASTAL LOW SPINNING JUST OFFSHORE  
OF THE NORTHERN OUTER BANKS OF NC WILL DRIFT NORTHWESTWARD OVER  
SE VA BY EARLY TOMORROW MORNING. THIS COASTAL LOW WILL CONTINUE  
TO SPREAD MAINLY MID AND HIGH-LEVEL CLOUDS NORTHWARD TONIGHT  
THROUGH TOMORROW. MOISTURE WILL ALSO GRADUALLY INCREASE AND  
SLOWLY ERODE THE LARGE DEW POINT DEPRESSIONS IN PLACE LEADING TO  
A SLIGHT CHANCE OF A SHOWER OR TWO AFTER 06Z ACROSS PORTIONS OF  
NE PA, MAINLY AROUND THE POCONOS, SOUTHERN CATSKILLS AND HUDSON  
VALLEY. LOWS TONIGHT WILL BE MAINLY IN THE LOW TO MID 50S.  
 
THE STACKED LOW PRESSURE SYSTEM TO OUR SOUTH WILL REMAIN FAIRLY  
STATIONARY OVER SE VA TOMORROW BEFORE WEAKENING INTO AN OPEN  
TROUGH OF LOW PRESSURE TOMORROW NIGHT AS IT LIFTS NORTHEAST OFF  
THE MID-ATLANTIC COAST. THIS WILL KEEP MAINLY MID AND HIGH-  
LEVEL CLOUDS AROUND MUCH OF CNY TOMORROW, WHILE THICKER CLOUDS  
STREAM OVER THE TWIN TIERS, CATSKILLS AND NE PA ALONG WITH A  
CHANCE FOR ISOLATED LIGHT RAIN SHOWERS. ANY RISK FOR THUNDER  
ALSO LOOKS TO BE PRETTY LOW THROUGH THE EVENING HOURS TOMORROW  
WITH LITTLE IN THE WAY OF INSTABILITY AND SHEAR. THE THICKER  
CLOUD COVER OVER SOUTHERN AND EASTERN PORTIONS OF THE CWA WILL  
KEEP HIGH TEMPERATURES A BIT COOLER IN THE UPPER 60S AND LOW  
70S, WHILE THE REST OF CNY HAS HIGHS PRIMARILY IN THE MID AND  
UPPER 70S. LOWS TOMORROW NIGHT WILL BE IN THE 50S.  
 
 
   
SHORT TERM /TONIGHT THROUGH FRIDAY NIGHT/  
 
THURSDAY IS EXPECTED TO TURN OUT MOSTLY SUNNY AND WARMER ONCE  
AGAIN AS HIGH TEMPERATURES RETURN TO THE UPPER 70S AND LOWER 80S  
ACROSS THE ENTIRE CWA. CLOUDS START TO INCREASE LATER THURSDAY  
NIGHT AS A COLD FRONT APPROACHES. THIS LARGELY DRY FRONTAL  
BOUNDARY IS EXPECTED TO CROSS THE AREA FROM NORTHWEST TO  
SOUTHEAST EARLY FRIDAY. BEHIND THE FRONT WINDS WILL SHIFT OUT OF  
NORTH-NORTHWEST AND BRIEFLY USHER IN SOME COOLER AIR. HIGH  
TEMPERATURES FRIDAY RANGE FROM THE MID 60S TO THE LOWER 70S TO  
THE NORTH, WHILE PORTIONS OF NE PA AND THE SOUTHERN CATSKILLS  
STILL HAVE HIGHS IN THE MID 70S TO NEAR 80 DEGREES. FRIDAY NIGHT  
IS EXPECTED TO BE THE CHILLIEST NIGHT OVER THE NEXT SEVEN DAYS  
WITH LOWS MAINLY IN THE LOW AND MID 40S. SOME SPOTS IN THE  
CATSKILLS AND TOWARD THE TUG HILL CAN FALL BACK INTO THE MID AND  
UPPER 30S, WHILE THE WYOMING VALLEY IN NE PA REMAINS MILDER  
WITH LOWS CLOSER TO 50 DEGREES.  
 
 
   
LONG TERM /SATURDAY THROUGH TUESDAY/  
 
HIGH PRESSURE BUILDS IN FROM THE NORTHWEST SATURDAY AND SHIFTS  
OFF TO OUR EAST SUNDAY AND MONDAY. CONDITIONS ARE EXPECTED TO BE  
MOSTLY DRY DURING THIS TIME, WITH JUST A SLIGHT CHANCE OF A  
SHOWER MONDAY, MAINLY OUT TOWARD THE FINGER LAKES. TEMPERATURES  
WILL GRADUALLY BE ON THE RISE ONCE AGAIN, RANGING FROM THE UPPER  
60S TO MID 70S ON SATURDAY TO THE MID 70S TO LOWER 80S BY EARLY  
NEXT WEEK. A FRONTAL BOUNDARY STARTS TO APPROACH TUESDAY, BUT  
THE CHANCE FOR ANY SHOWERS LOOKS TO REMAINS LOW.  
 
 
   
AVIATION /06Z WEDNESDAY THROUGH SUNDAY/  
 
VFR CONDITIONS ARE EXPECTED OVER THE NEXT 24 HOURS FOR THE  
MAJORITY OF TERMINALS. FOG IS POSSIBLE FOR ELM, BUT WITH CURRENT  
CLOUD COVER ON SATELLITE THAT LOOKS TO STICK AROUND, AND THE  
CROSSOVER TEMP BEING 51, CHANCES FOR FOG DEVELOPMENT IS  
DECREASING. HOWEVER, IN THE CASE FOR SOME BREAKS IN CLOUD COVER  
TO ALLOW TEMPS TO DROP, A TEMPO GROUP WAS MODIFIED FROM THE  
PREVIOUS PACKAGE; CHANGED TO 10Z TO 12Z. OTHERWISE, A COASTAL  
SYSTEM WILL BRING MVFR CEILINGS TO AVP, AND POTENTIALLY A WEAK  
RAIN SHOWER OR TWO IN THE AFTERNOON HOURS.  
 
OUTLOOK...  
 
WEDNESDAY AFTERNOON THROUGH WEDNESDAY NIGHT...LINGERING MVFR  
CEILINGS AT AVP AND FOG EARLY THURSDAY MORNING AT KELM.  
 
THURSDAY THROUGH SUNDAY...VFR, EXCEPT TYPICAL VALLEY FOG LIKELY  
EACH LATE NIGHT/EARLY MORNING FOR AT LEAST KELM.  
 
 
   
BGM WATCHES/WARNINGS/ADVISORIES  
 
PA...NONE.  
NY...NONE.  
 
 
 
 
 
SYNOPSIS...DK  
NEAR TERM...DK  
SHORT TERM...DK  
LONG TERM...DK  
AVIATION...KL  
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