823  
FXUS61 KBGM 142333  
AFDBGM  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BINGHAMTON NY  
733 PM EDT SUN SEP 14 2025  
   
SYNOPSIS  
 
HIGH PRESSURE WILL DOMINATE THE WEATHER OVER THE NEXT WEEK, BRINGING  
MOSTLY SUNNY SKIES AND WARM TEMPERATURES. THERE IS A SMALL  
CHANCE THAT A COASTAL LOW BRINGS LIGHT RAIN SHOWERS TO NORTHEAST  
PENNSYLVANIA MIDWEEK.  
 
 
   
NEAR TERM /THROUGH MONDAY NIGHT/  
 
HIGH PRESSURE WITH MOSTLY SUNNY CONDITIONS ARE EXPECTED ON  
MONDAY. THERE WILL BE A LARGE DIURNAL TEMPERATURE TREND, WITH  
LOWS TONIGHT AND MONDAY NIGHT DIPPING INTO THE 40S IN SOME OF  
THE COOLER SPOTS, BUT AFTERNOON HIGHS WILL BE NEAR 80. FINALLY,  
THE ONLY WEATHER IMPACTS WILL BE DUE TO MORNING RIVER VALLEY  
FOG.  
 
 
   
SHORT TERM /TUESDAY THROUGH WEDNESDAY/  
 
HIGH PRESSURE WILL CONTINUE TO DOMINATE THROUGH THIS PERIOD WITH  
MOSTLY SUNNY SKIES AND DRY WEATHER. WE WILL SEE AN INCURSION OF  
WARM AIR FROM THE CENTER OF THE COUNTRY, PUSHING TEMPERATURES  
5-8 DEGREES ABOVE NORMAL DURING THE DAY TIME (UPPER 70S TO LOW  
80S) WITH OVERNIGHT LOWS AROUND NORMAL, BOTTOMING OUT IN THE LOW  
TO MID 50S.  
 
THERE IS A SMALL CHANCE THAT A COASTAL LOW ALONG THE MID  
ATLANTIC MAY SNEAK SOME MOISTURE AS FAR NORTH AS THE POCONOS ON  
WEDNESDAY. AT THIS TIME THOUGH, THE THINKING IS HIGH PRESSURE  
AND DRY CONDITIONS ARE LIKELY TO HOLD THROUGH THE PERIOD.  
 
 
   
LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/  
 
HIGH PRESSURE SHOULD KEEP THE BULK OF THE REGION DRY THROUGH THE  
WORK WEEK. STILL SOME UNCERTAINTY WED NIGHT INTO THURSDAY WITH  
THE TRACK OF A COASTAL LOW, BUT AT THIS TIME, ALL GUIDANCE IS  
SUGGESTING THAT THIS SYSTEM WILL BE OF LITTLE CONCERN IN OUR  
AREA, WITH THE SURFACE LOW PUSHING OUT TO SEA THURSDAY.  
 
THE END OF THE PERIOD REMAINS UNCERTAIN. AS 12Z MODEL GUIDANCE  
NOW HAS HIGH PRESSURE OVER THE AREA THROUGH THE WEEKEND. BASED  
ON HOW THE WEATHER PATTER HAS SHAPED UP LATELY, CURRENT THINKING  
IS THAT THE DRY CONDITIONS WILL PERSIST AND WIN OUT. FOR NOW,  
NBM ONLY IS ADVERTISING 20 TO 30 PERCENT POPS FOR SUNDAY, BUT  
WILL LIKELY SEE THOSE VALUES TREND LOWER IF THE MODELS CONTINUE  
COMING IN DRIER OVER THE NEXT FEW RUNS.  
 
 
   
AVIATION /00Z MONDAY THROUGH FRIDAY/  
 
DRY HIGH PRESSURE WILL BE SETTLING INTO THE REGION THROUGHOUT  
THIS TAF PERIOD, WITH VARIABLE TO CALM WIND WIND VFR CONDITIONS  
EXCEPT FOR LATE NIGHT-EARLY MORNING VALLEY FOG. DESPITE A LACK  
OF RECENT RAINFALL, IN ADDITION TO TYPICAL KELM RESTRICTIONS, MODEL  
GUIDANCE REASONABLY SUGGESTS POTENTIAL FOR FLUCTUATING  
VISIBILITY JUST BEFORE AND UP TO DAWN FOR KSYR-KRME AND PERHAPS  
KITH. THIS IS CREDIBLE CONSIDERING CURRENT DEWPOINTS ABOVE  
EXPECTED MINIMUM TEMPERATURES TONIGHT, AND A LACK OF MIXING.  
FOR KELM, THOUGH THE FLOW OFF THE SURFACE IS CURRENTLY FROM  
EAST- NORTHEAST, BUT IT WILL GO VERY LIGHT AND THUS GIVEN OTHER  
FAVORABLE FOG FORMATION FACTORS INCLUDING CLEAR SKY THERE IS  
STILL PRETTY GOOD CONFIDENCE THAT RESTRICTIVE FOG WILL FORM,  
LIKELY TO AIRPORT MINIMUMS. AFTER ANY FOG BURNS OFF MONDAY  
MORNING, VFR CONTINUES ALL TERMINALS.  
 
OUTLOOK...  
 
MONDAY NIGHT THROUGH FRIDAY...VFR EXCEPT TYPICAL VALLEY FOG  
LIKELY EACH LATE NIGHT/EARLY MORNING FOR AT LEAST KELM.  
 
 
   
BGM WATCHES/WARNINGS/ADVISORIES  
 
PA...NONE.  
NY...NONE.  
 
 
 
 
 
SYNOPSIS...JTC/MPK  
NEAR TERM...JTC/MPK  
SHORT TERM...JTC/MPK  
LONG TERM...JTC/MPK  
AVIATION...MDP  
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