670  
FXUS61 KBGM 200531  
AFDBGM  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BINGHAMTON NY  
131 AM EDT TUE OCT 20 2026  
   
WHAT HAS CHANGED  
 
MINOR ADJUSTMENTS WERE MADE TO ACCOUNT FOR THE LARGE DIURNAL  
TEMPERATURE SWINGS EACH DAY.  
 
 
   
KEY MESSAGES  
 
1) HIGH PRESSURE WILL BRING QUIET WEATHER CONDITIONS THROUGH THIS  
WEEK AND INTO THE START OF NEXT WEEK.  
 
 
   
DISCUSSION  
 
KEY MESSAGE 1...  
 
HIGH PRESSURE WILL REMAIN IN CONTROL THROUGH THIS WEEK AND INTO THE  
START OF NEXT WEEK. A WEAK COLD FRONT WILL MOVE THROUGH TODAY, WHICH  
COULD KEEP TEMPERATURES A COUPLE DEGREES COOLER THAN YESTERDAY.  
WINDS WILL BE BREEZY AS THE FRONT MOVES THROUGH. A NOR'EASTER ALONG  
THE COAST WILL INCH CLOSER TO THE COASTLINE WEDNESDAY NIGHT INTO  
THURSDAY. PRECIPITATION FROM THIS SYSTEM IS NOT EXPECTED TO EXTEND  
MUCH INLAND, THOUGH WITH A TIGHTENING PRESSURE GRADIENT, WINDS WILL  
BECOME GUSTY. AT THE SAME TIME, A COLD FRONT APPROACHES FROM THE  
NORTHWEST. MOST MODELS HAVE IT RUNNING OUT OF MOISTURE BY THE TIME  
IT ENTERS THE REGION, BUT THE ECMWF HAS BEEN CONSISTENT OVER THE  
LAST SEVERAL RUNS NOW WITH SHOWING MINIMAL AMOUNTS OF PRECIPITATION  
FOR PARTS OF THE REGION. WITH 1000-500MB RH VALUES AT AROUND 60% IN  
THE ECMWF, MOISTURE IS EVEN LIMITED WITH THAT SOLUTION. IF ANYTHING  
CAN DEVELOP DURING THIS TIME, IT WILL LIKELY BE VERY LIGHT. A  
SLIGHT COOL DOWN IS EXPECTED AT THE END OF THE WEEK FOLLOWING  
THE FRONTAL PASSAGE, THOUGH TEMPERATURES WILL REBOUND OVER THE  
WEEKEND.  
 
AS NEEDED OVER THE LAST FEW FORECAST UPDATES, ADJUSTMENTS WERE MADE  
TO TEMPERATURES AND DEWPOINTS. SUNNY SKIES HAVE LED TO TEMPERATURES  
CLIMBING ABOVE WHAT MOST GUIDANCE HAD. MEANWHILE, THESE CLEAR SKIES  
HAVE THEN LED TO TEMPERATURES TANKING AT NIGHT WHILE AN INVERSION  
HAS KEPT THE HIGHER ELEVATIONS MORE MILD. DURING PEAK HEATING,  
DEWPOINTS HAVE BEEN SIGNIFICANTLY LOWERED AS MODEL GUIDANCE HAVE  
OFTEN BEEN TOO HIGH.  
 
 
   
AVIATION /06Z TUESDAY THROUGH SATURDAY/  
 
VFR CONDITIONS UNDER HIGH PRESSURE EXPECTED ACROSS ALL TERMINALS  
FOR MOST OF THE TAF PERIOD. THE ONLY TERMINAL THAT MAY SEE SOME  
RESTRICTIONS TONIGHT IS KSYR. WINDS HAVE GONE CALM OVER THE PAST  
SEVERAL HOURS, DROPPING TEMPERATURES A LITTLE QUICKER THAN  
FORECAST. LOW TEMPS COULD FALL INTO THE MID 30S AROUND SUNRISE  
AND WITH CROSSOVER TEMPERATURES IN THE MID 30S, WE COULD GET  
SOME PATCHY FOG TO DEVELOP.  
 
OUTLOOK...  
 
TUESDAY AFTERNOON THROUGH SATURDAY...MAINLY VFR. MORNING FOG AT  
KELM POSSIBLE EACH MORNING.  
 
 
   
BGM WATCHES/WARNINGS/ADVISORIES  
 
PA...NONE.  
NY...NONE.  
 
 
 
 
 
DISCUSSION...BTL  
AVIATION...JTC  
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