057  
FXUS61 KBGM 162340  
AFDBGM  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BINGHAMTON NY  
740 PM EDT SAT AUG 16 2025  
   
SYNOPSIS  
 
ISOLATED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE TODAY FOR  
AREAS IN NORTHEASTERN PENNSYLVANIA AND SOUTH-AND-EAST OF I-81  
IN NEW YORK. A COLD FRONT WILL MOVE THROUGH THE REGION SUNDAY,  
BRINGING ADDITIONAL SHOWERS AND ISOLATED STORMS. COOLER AIR WILL  
ALSO MOVE INTO THE REGION BEHIND THE FRONT, BRINGING VERY  
COMFORTABLE CONDITIONS THROUGH MID WEEK.  
 
 
   
DISCUSSION  
 
KEY MESSAGES:  
 
- ISOLATED SHOWERS AND STORMS POSSIBLE FOR NE PA AND AREAS SOUTH  
AND EAST OF I-81 IN NEW YORK THIS AFTERNOON.  
 
- STAYS WARM THROUGH THE WEEKEND BEFORE SHOWERS WITH A FRONTAL  
SYSTEM ON SUNDAY MOVES THROUGH THE AREA, LEADING TO A COOLER  
FIRST HALF OF THE WEEK NEXT WEEK.  
 
- TRENDING DRIER LATE NEXT WEEK WITH HIGH PRESSURE IN PLACE AND  
HURRICANE ERIN STAYS OUT OVER THE ATLANTIC.  
 
DISCUSSION:  
 
A WEAK SHORTWAVE WILL PASS OVERHEAD THIS AFTERNOON, KICKING OFF  
WIDELY SCATTERED SHOWERS AND EVEN AN ISOLATED THUNDERSTORM OR  
TWO. AREAS MOST LIKELY TO SEE A STORM OR TWO WILL BE IN  
NORTHEASTERN PENNSYLVANIA AND AREAS SOUTH AND EAST OF I-81 IN  
NEW YORK. THERE WILL BE SOME ELEVATED INSTABILITY PRESENT SO  
THUNDERSTORMS WILL BE POSSIBLE, BUT SHEAR IS WEAK SO STRONG  
STORMS ARE NOT EXPECTED.  
 
A COLD FRONT WILL DROP SOUTH OUT OF CANADA ON TOMORROW, WITH SCATTERED  
SHOWERS AND STORMS ARE FORECAST DEVELOP ACROSS IN THE LATE  
MORNING THROUGH EARLY EVENING. THERE WILL BE SOME DRY AIR IN  
PLACE AHEAD OF THE FRONT, SO THERE IS A CHANCE THAT SHOWERS WILL  
HAVE A HARD TIME DEVELOPING IN THE LATE MORNING/EARLY  
AFTERNOON. ONCE MORE MOISTURE MOVES IN FROM THE WEST WITH THE  
WITH THE SHORTWAVE TROUGH AXIS, SHOWERS AND ISOLATED STORMS  
SHOULD START TO DEVELOP. THE SET UP DOES NOT FAVOR SEVERE  
WEATHER AT THIS TIME AS CAPE IS UNDER 1000 J/KG AND 0-6KM BULK  
SHEAR IS BELOW 20KTS. A FEW STRONGER PULSE STORMS MAY BE  
POSSIBLE IF WE CAN GET SOME POCKETS OF ELEVATED CAPE. PWATS ARE  
LOOKING TO BE AROUND 1.5 TO 1.75 INCHES, SO THERE IS POTENTIAL  
FOR SOME LOCALIZED HEAVIER RAINFALL, BUT GIVEN HOW DRY IT HAS  
BEEN, HYDRO ISSUES ARE NOT EXPECTED.  
 
HIGH PRESSURE MOVES IN FROM THE NORTH BEHIND THE FRONT TO START  
THE WORK WEEK AND MUCH COOLER AIR FILLS IN WITH THE NNW FLOW.  
TEMPS WILL BE IN THE MID TO UPPER 70S MONDAY, FALLING TO THE LOW  
70S BY WEDNESDAY. A SHORTWAVE MOVING INTO THE AREA FROM THE  
GREAT LAKES TUESDAY WILL BRING SCATTERED SHOWERS AND STORMS TO  
THE AREA THROUGH WEDNESDAY.  
 
LATE IN THE WEEK, HURRICANE ERIN WILL CONTINUE ITS TREK NORTH  
THROUGH THE ATLANTIC. IT IS CURRENTLY FORECAST TO REMAIN AT SEA  
AS IT GETS PICKED UP BY A DEEPENING TROUGH OVER SE CANADA AS IT  
MOVES WELL OFF SHORE OF THE MID- ATLANTIC US.  
 
 
   
AVIATION /00Z SUNDAY THROUGH THURSDAY/  
 
MAINLY VFR CONDITIONS ARE EXPECTED. TEMPERATURES ARE NOT  
EXPECTED TO REACH THE CROSSOVER TEMP AT ELM, SO THE TEMPO FOR  
FOG WAS REMOVED. CONDITIONS ALSO LOOK TO BE TOO DRY FOR FOG  
TONIGHT.  
 
A COLD FRONT PASS THROUGH FROM NORTH TO SOUTH TOMORROW.  
WITH IT WILL BE SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.  
USING A COMBINATION OF THE OFFICIAL FORECAST AND THE LATEST  
MODEL GUIDANCE, TEMPO GROUPS WERE ADDED AT ITH, ELM, AND BGM FOR  
RAIN AND MVFR VISIBILITIES FOR A FEW HOURS IN THE AFTERNOON.  
CONFIDENCE REMAINS TOO LOW TO INCLUDE AT THE OTHER TERMINALS.  
CEILINGS ARE EXPECTED TO DROP TO MVFR AND EVEN FUEL ALT AT THE  
CENTRAL NY TERMINALS AS WELL.  
 
WINDS WILL BECOME LIGHT AND VARIABLE TONIGHT. AS THE FRONT  
PASSES THROUGH WINDS WILL INCREASE WITH SOME GUSTS NEAR 15 KTS.  
THE DIRECTION WILL ALSO SHIFT THROUGHOUT THE AFTERNOON FROM WEST  
TO NORTH-NORTHWESTERLY. WINDS ARE THEN EXPECTED TO REMAIN  
NORTHERLY BEHIND THE FRONT.  
 
OUTLOOK...  
 
SUNDAY NIGHT...CEILING RESTRICTIONS IMPROVE TO VFR.  
 
MONDAY...VFR EXPECTED.  
 
TUESDAY THROUGH THURSDAY...CHANCES FOR SHOWERS AND  
THUNDERSTORMS, WITH ASSOCIATED RESTRICTIONS POSSIBLE.  
 
 
   
BGM WATCHES/WARNINGS/ADVISORIES  
 
PA...NONE.  
NY...NONE.  
 
 
 
 
 
SYNOPSIS...KL  
DISCUSSION...JTC/KL  
AVIATION...BTL  
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