416  
FXUS61 KBGM 130719  
AFDBGM  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BINGHAMTON NY  
319 AM EDT SAT SEP 13 2025  
   
SYNOPSIS
 
 
HIGH PRESSURE WILL DOMINATE THE WEATHER OVER THE NEXT WEEK, BRINGING  
MOSTLY SUNNY SKIES AND WARM TEMPERATURES. THERE WILL BE A SMALL  
CHANCE FOR A FEW ISOLATED RAIN SHOWERS OR SPRINKLES LATER TODAY INTO  
SUNDAY, BUT OTHERWISE DRY AND WARMER THAN AVERAGE WEATHER WILL  
PERSIST THROUGH MOST OF NEXT WEEK.  
 

 
   
NEAR TERM /THROUGH SUNDAY/
 
 
A WEAK, MOISTURE STARVED FRONTAL BOUNDARY WILL PUSH THROUGH THE AREA  
THIS AFTERNOON. WHILE MID LEVEL MOISTURE AND CLOUD COVER WILL  
INCREASE, SOUNDINGS INDICATE DRY CONDITIONS IN THE LOW LEVELS OF THE  
ATMOSPHERE PERSIST BELOW 700MB. THERE WILL BE A VERY LOW CHANCE FOR  
A FEW ISOLATED SHOWERS OR SPRINKLES THIS AFTERNOON AND EVENING, BUT  
BASED ON THE LATEST GUIDANCE THIS IS BELOW EVEN THE SLIGHT CHANCE  
CATEGORY OF 15% FOR MEASURABLE RAINFALL. OVERALL, EXPECT MOSTLY  
SUNNY SKIES THIS MORNING, GIVING WAY TO PARTLY/MOSTLY CLOUDY SKIES  
IN THE MID TO LATE AFTERNOON. WINDS WILL TURN NORTHWESTERLY LATE IN  
THE DAY, LESS THAN 10 MPH AND HIGH TEMPERATURES WILL STILL REACH THE  
MID-70S TO LOWER 80S AREAWIDE. A FEW SPRINKLES OR VERY LIGHT SHOWERS  
MAY LINGERING INTO TONIGHT WITH GENERALLY DECREASING CLOUDS AND  
OVERNIGHT LOWS IN THE 50S. SUNDAY FEATURES ABOUT A 10% CHANCE FOR AN  
ISOLATED SHOWER OVER THE CATSKILLS, OTHERWISE DRY AND MOSTLY SUNNY  
WITH HIGH TEMPERATURES VERY SIMILAR TO TODAY'S EXPECTED READINGS.  
 

 
   
SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY NIGHT/
 
 
THIS PERIOD WILL FEATURE AN ANOMALOUSLY STRONG UPPER LEVEL  
RIDGE AND SPRAWLING SURFACE HIGH PRESSURE OVER THE REGION. THIS  
WILL KEEP CONDITIONS DRY AND MOSTLY SUNNY/CLEAR THE ENTIRE TIME.  
THERE WILL LIKELY BE SOME EARLY MORNING FOG ALONG THE TYPICAL  
RIVER AND CREEK VALLEYS AS LOWS DIP DOWN INTO THE UPPER 40S AND  
50S. MEANWHILE, DAYTIME HIGHS WILL BE ABOUT 10-12 DEGREES ABOVE  
AVERAGE FOR MID-SEPTEMBER, REACHING INTO THE UPPER 70S TO MID-80S.  
 

 
   
LONG TERM /WEDNESDAY THROUGH SATURDAY/
 
 
THE UPPER LEVEL RIDGE LOOKS TO GRADUALLY BREAK DOWN AND DEAMPLIFY  
DURING THIS MID TO LATE WEEK PERIOD. THE RIDGE WILL BE BROKEN DOWN  
BY A RATHER WEAK, UNDERCUTTING UPPER LEVEL LOW OVER THE SOUTHEAST,  
THEN VERY SLOWLY DRIFTS NORTH-NORTHEAST AND WEAKENS FURTHER BY  
THURSDAY OVER THE NORTHERN MID-ATLANTIC STATES. WE THEN WAIT FOR THE  
NEXT NORTHERN STREAM UPPER LEVEL ENERGY AND TROUGH TO APPROACH...BUT  
THIS LIKELY WILL NOT BE UNTIL FRIDAY OR NEXT SATURDAY. TEMPERATURES  
ALOFT, AT 850MB WILL HOVER NEAR +15C DURING THIS ENTIRE PERIOD  
UNDER THE REMNANTS OF THE RIDGE. SO THIS WILL CONTINUE TO  
SUPPORT WELL ABOVE AVERAGE DAYTIME HIGHS.  
 
AS FOR SENSIBLE WEATHER CONDITIONS: WEDNESDAY IS LIKELY TO  
REMAIN DRY, MOSTLY SUNNY AND WARM WITH HIGHS IN THE UPPER 70S TO  
LOWER 80S. THERE IS A SLIGHT CHANCE FOR AN ISOLATED SHOWER OR  
STORM BY THURSDAY AFTERNOON, MAINLY IN NE PA...CLOSER TO THE  
WEAKENING MID-ATLANTIC UPPER LEVEL TROUGH; OTHERWISE MOSTLY  
SUNNY AND CONTINUED WARM. FRIDAY IS LIKELY ANOTHER DRY AND  
MOSTLY SUNNY DAY, WITH JUST A SLIGHT CHANCE FOR AN ISOLATED  
SHOWER...STEADY HIGH TEMPERATURES BETWEEN 75-85F EXPECTED. AT  
THIS POINT IN TIME, THERE IS A GOOD DEAL OF UNCERTAINTY AND  
SPREAD IN THE ENSEMBLE GUIDANCE FOR THE START OF NEXT  
WEEKEND...SO CONTINUED WITH MORE DRY CONDITIONS AS THE 01Z NBM  
WAS NOT ONBOARD WITH THE POSSIBLE WETTER CONDITIONS SHOWN BY THE  
DETERMINISTIC 00Z ECMWF AND 00Z GFS JUST YET.  
 

 
   
AVIATION /07Z SATURDAY THROUGH WEDNESDAY/
 
 
VFR CONDITIONS EXPECTED AT ALL TERMINALS THROUGH THE TAF PERIOD  
EXCEPT AT ELM. ONCE AGAIN, THE FORECAST FOR ELM IS TOUGH GIVEN  
THE RECENT DROUGHT AND LACK OF SURFACE PRECIPITATION, BALANCED  
WITH A SURFACE HIGH SITTING OVER THE AREA WITH A RADIATIONAL  
COOLING SETUP. GUIDANCE SHOWS STEADY FOG ACROSS THE AREA BY 8Z  
AND LASTING INTO THE MORNING, BUT CONFIDENCE IN THIS OCCURRING  
IS QUITE LOW GIVEN WHAT HAS OCCURRED THE PAST TWO NIGHTS. ELM  
HAS SEEN IFR RESTRICTIONS FROM FOG BOUNCE AROUND WITHOUT EVER  
SETTLING IN, AND THIS IS ONCE AGAIN EXPECTED TO OCCUR TONIGHT.  
HIGH CLOUDS MOVING IN FROM THE NW ALSO LEND CONFIDENCE TO  
PERSISTENT FOG NOT DEVELOPING AS THESE CLOUDS SHOULD HELP  
HINDER SURFACE COOLING LATER TONIGHT.  
 
OUTLOOK...  
 
SATURDAY NIGHT THROUGH WEDNESDAY...MAINLY VFR. VALLEY FOG EACH  
LATE NIGHT/EARLY MORNING AT KELM WILL LIKELY BRING RESTRICTIONS.  
 

 
   
BGM WATCHES/WARNINGS/ADVISORIES
 
 
PA...NONE.  
NY...NONE.  
 

 
 

 
 
SYNOPSIS...MPK/MJM  
NEAR TERM...MJM  
SHORT TERM...MJM  
LONG TERM...MJM  
AVIATION...JTC  
 
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