198  
FXUS61 KBGM 091045  
AFDBGM  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BINGHAMTON NY  
645 AM EDT TUE SEP 9 2025  
   
SYNOPSIS  
 
HIGH PRESSURE OVERHEAD WILL ALLOW RADIATIONAL COOLING TO PUSH  
TEMPERATURES BELOW NORMAL TONIGHT. AREAS OF FROST WILL BE  
POSSIBLE, ESPECIALLY IN OUR NORMALLY COLDER LOCATIONS.  
TEMPERATURES WILL GRADUALLY WARM UP THE REMAINDER OF THE WEEK  
WITH DRY CONDITIONS AND PLENTY OF SUNSHINE.  
 
 
   
NEAR TERM /THROUGH WEDNESDAY/  
 
HIGH PRESSURE OVERHEAD TONIGHT WILL BRING CLEAR SKIES AND LIGHT  
WINDS, SETTING UP A PRETTY FAVORABLE ENVIRONMENT FOR RADIATIONAL  
COOLING. TEMPERATURES ARE CURRENTLY IN THE 40S, BUT SHOULD FALL  
INTO THE LOW TO MID 40S ACROSS MUCH OF THE REGION. WE DO EXPECT  
AREAS IN CHENANGO, DELAWARE, OTSEGO AND NORTHERN ONEIDA COUNTY  
FOR FALL INTO THE MID TO UPPER 30S, ESPECIALLY IN THE NORMALLY  
COLDER AND MORE SHELTERED VALLEYS. A FROST ADVISORY HAS BEEN  
ISSUED FOR THESE COUNTIES FROM 2AM TO 8AM THIS MORNING DUE TO  
THE EXPECTED COLD.  
 
HIGH PRESSURE WILL CONTINUE TO DOMINATE THROUGH THE PERIOD.  
TEMPERATURES ARE EXPECTED TO WARM INTO THE 70S TUESDAY AND  
WEDNESDAY AS THE CENTER OF THE SURFACE HIGH AND MID LEVEL  
RIDGING SLIDES TO THE NE AND FLOW BECOMES MORE SOUTHERLY. CAM  
GUIDANCE HAS STARTED TO SHOW SOME RAIN SHOWERS WORKING THEIR WAY  
INTO NEPA AND THE CATSKILLS TUESDAY NIGHT INTO WEDNESDAY AS A  
LOW PRESSURE SYSTEM MOVES NORTH OFF THE MID-ATLANTIC COAST.  
ENSEMBLE GUIDANCE AND THE LATEST DETERMINISTIC RUNS SHOW THE  
HIGH OVER NEW ENGLAND MIGHT BE TOO STRONG TO ALLOW RAIN SHOWERS  
TO PUSH ONSHORE SO POPS WERE NOT INTRODUCED IN THIS FORECAST  
PACKAGE. WE WILL CONTINUE TO MONITOR THE EVOLUTION OF THE SYSTEM  
FOR POP CHANCES DURING THE NEXT FORECAST PACKAGE.  
 
 
   
SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY NIGHT/  
 
THE SURFACE AND MID LEVEL RIDGE THAT DOMINATED THE WEATHER  
PATTERN FOR THE FIRST HALF OF THE WEEK WILL MOVE OFF TO THE NE  
BY WED NIGHT. IT WILL BE QUICKLY REPLACED BY ANOTHER HIGH  
PRESSURE SYSTEM MOVING INTO THE GREAT LAKES BY THURSDAY MORNING.  
THIS WILL CONTINUE OUR PROLONGED DRY SPELL, BRINGING SEASONABLE  
HIGH TEMPERATURES AND SLIGHTLY COOLER THAN NORMAL LOWS TO THE  
AREA FOR THE REST OF THE WEEK.  
 
 
   
LONG TERM /SATURDAY THROUGH MONDAY/  
 
HIGH PRESSURE CONTINUES THROUGH SATURDAY. GUIDANCE IS STARTING  
TO SHOW A LOW PRESSURE SYSTEM MOVING INTO THE AREA FROM THE NNW  
ON SUNDAY AND MONDAY. CONFIDENCE IN TIMING AND LOCATION OF RAIN  
SHOWERS IS LOW GIVEN A WIDE VARIETY OF SOLUTIONS SHOWING UP IN  
MODEL GUIDANCE. NBM POPS WERE USED FOR THIS PERIOD, WHICH BRINGS  
SLIGHT CHANCE (15-20%) ACROSS THE AREA SUN AND MON.  
 
 
   
AVIATION /12Z TUESDAY THROUGH SATURDAY/  
 
WITH HIGH PRESSURE IN PLACE OVER THE NEXT 24 HOURS, VFR  
CONDITIONS ARE EXPECTED AT ALL TERMINALS BUT ELM. FOG WILL HOLD  
ON LONGER THIS MORNING BUT LIKELY CLEAR BY AROUND 14Z. FOG IS  
EXPECTED TO REFORM TONIGHT BY AROUND 8Z AGAIN. AVP MAY SEE SOME  
LOW CLOUDS AS WELL BY AROUND 12Z BUT CONFIDENCE WAS LOW THAT  
CIGS COULD BE MVFR OR STAY VFR.  
 
OUTLOOK...  
 
TUESDAY NIGHT THROUGH SATURDAY...MAINLY VFR. VALLEY FOG EACH  
LATE NIGHT/EARLY MORNING AT KELM WILL LIKELY BRING RESTRICTIONS.  
 
 
   
BGM WATCHES/WARNINGS/ADVISORIES  
 
PA...NONE.  
NY...FROST ADVISORY UNTIL 8 AM EDT THIS MORNING FOR NYZ009-045-046-  
057.  
 
 
 
 
 
SYNOPSIS...JTC  
NEAR TERM...JTC  
SHORT TERM...JTC  
LONG TERM...JTC  
AVIATION...AJG  
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