941  
FXUS61 KBGM 081751  
AFDBGM  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BINGHAMTON NY  
151 PM EDT MON JUN 8 2026  
   
WHAT HAS CHANGED  
 
TEMPERATURES WERE REDUCED THE REST FOR THE REST OF TODAY WHERE SKIES  
REMAIN CLOUDY. OTHERWISE, THERE WERE NO SIGNIFICANT CHANGES  
FROM THE PREVIOUS UPDATE.  
 
 
   
KEY MESSAGES  
 
1) TEMPERATURES WILL TREND WARMER THROUGHOUT MUCH OF THE WEEK,  
LEADING TO AN EXTENDED PERIOD OF WARMER THAN NORMAL TEMPERATURES.  
 
2) RAIN WILL RETURN MIDWEEK WITH ADDITIONAL CHANCES FOR SHOWERS  
THROUGH THE END OF THE WEEK.  
 
 
   
DISCUSSION  
 
KEY MESSAGE 1...  
 
MARINE MOISTURE HAS KEPT CLOUDS AROUND FOR LOCATIONS ALONG AND WEST  
OF I-81. THIS HAS SIGNIFICANTLY LIMITED HEATING AS MUCH OF THE AREA  
UNDER THE CLOUDS REMAIN IN 60S THIS AFTERNOON. WHERE THERE HAS BEEN  
SUNSHINE, TEMPERATURES HAVE REACHED THE 70S. DUE TO THIS,  
TEMPERATURES WERE SIGNIFICANTLY REDUCED WHERE SKIES HAVE BEEN MOSTLY  
CLOUDY THIS MORNING RESULTING IN AFTERNOON HIGHS NOW IN THE MID 70S  
TO LOW 80S. ADDITIONAL ADJUSTMENTS WERE MADE TO TEMPERATURES FOR  
TONIGHT AS CLEAR SKIES SHOULD ONCE AGAIN LEAD TO GOOD RADIATIONAL  
COOLING. TEMPERATURES TONIGHT WILL FALL INTO THE 50S FOR MOST,  
THOUGH THE FINGER LAKES WILL HOLD ONTO 60S.  
 
AFTER TODAY, TEMPERATURES WILL OFTEN BE ABOVE NORMAL AS SOUTH TO  
WESTERLY FLOW WILL KEEP WARM AIR IN PLACE FOR THE REST OF THE WEEK.  
A SLIGHT COOL DOWN IS EXPECTED WEDNESDAY DUE TO SHOWERS BUT THEN  
TEMPERATURES WILL TREND WARMER THROUGH FRIDAY UNTIL A COLD FRONT  
BRINGS A LITTLE BIT OF RELIEF FOR THE WEEKEND. THERE IS UNCERTAINTY  
LATE IN THE WEEK AS THE TIMING OF A COLD FRONT WILL LIKELY BE A  
FACTOR IN HOW WARM THE REGION GETS. A LATER TIMING WOULD FAVOR HIGHS  
NEAR OR ABOVE 90 LIKE WHAT THE NBM HAS. IN THIS SITUATION,  
ADVISORIES MAY BE NEEDED AS HEAT INDEX VALUES WOULD EXCEED  
CRITERIA. HOWEVER, AN EARLIER TIMING IN THE DAY WOULD KEEP  
TEMPERATURES A BIT COOLER. AS WITH PAST UPDATES, NBM GUIDANCE  
HAS BEEN RUNNING WARMER THAN MOST DETERMINISTIC AND ENSEMBLE  
GUIDANCE, SO DAYTIME TEMPERATURES WERE LOWERED BELOW THE NBM FOR  
MOST OF THE FORECAST PERIOD.  
 
KEY MESSAGE 2...  
 
A RIDGE OF HIGH PRESSURE WILL KEEP CONDITIONS DRY THROUGH TUESDAY.  
THE HIGH PRESSURE WILL THEN SLIDE EAST LATE TUESDAY AS A SHORTWAVE  
TROUGH MOVES IN FROM THE WEST. WHILE THERE IS SOME UNCERTAINTY ON  
HOW QUICKLY THE RAIN ASSOCIATED WITH THIS FEATURE MOVES IN, GUIDANCE  
AGREE THAT THE DRY CONDITIONS COME TO AN END BY WEDNESDAY MORNING.  
SHOWERS WILL THEN CONTINUE THROUGHOUT THE DAY, AND LIMITED  
INSTABILITY AND SHEAR MAY SUPPORT SOME ISOLATED THUNDERSTORMS. PWATS  
WITH THIS SYSTEM WILL BE 1.75 TO 2 INCHES, SO PERIODS OF HEAVY RAIN  
WILL BE POSSIBLE. THERE MAY BE A BRIEF PERIOD OF RAIN-FREE  
CONDITIONS WEDNESDAY NIGHT BEFORE THE NEXT DISTURBANCE BRINGS  
ANOTHER ROUND OF SHOWERS THROUGH ON THURSDAY. PWATS WILL ONCE AGAIN  
BE NEAR 2 INCHES. THERE IS QUITE A BIT OF SPREAD IN GUIDANCE ON HOW  
MUCH INSTABILITY THERE WILL BE. THE NAM IS IN ITS OWN ZIP CODE WITH  
4000+ J/KG OF MLCAPE. COMPARE THAT TO THE GFS THAT MAXES OUT AT 1500  
J/KG. SHEAR WILL BE RELATIVELY WEAK AS WELL. WITH RAIN AND CLOUDS IN  
THE MORNING, THE GFS IS LIKELY MORE REPRESENTATIVE OF WHAT THE  
CONDITIONS COULD POTENTIALLY BE. WHILE THUNDERSTORMS WILL BE  
POSSIBLE, CONFIDENCE IS LOW FOR THE POTENTIAL FOR STRONGER STORMS.  
 
HIGH PRESSURE WILL BRIEFLY BUILD INTO THE REGION THURSDAY NIGHT INTO  
FRIDAY AND BRING A LULL IN SHOWER ACTIVITY. A COLD FRONT APPROACHES  
THE REGION FRIDAY MORNING AND MOVES THROUGH LATE IN THE DAY AND  
OVERNIGHT. AS PREVIOUSLY MENTIONED IN KEY MESSAGE 1, THERE IS  
UNCERTAINTY WITH THE TIMING OF THIS FRONT. A LATER TIMING WOULD  
FAVOR MORE DAYTIME HEATING AND A GREATER POTENTIAL FOR  
THUNDERSTORMS. IT SHOULD BE NOTED THAT WPC HAS THE REGION OUTLOOKED  
FOR EXCESSIVE RAINFALL FOR FRIDAY. WHILE THERE IS POTENTIAL FOR  
HEAVIER RAIN WITH THE PRIOR SYSTEMS, MODELS ARE NOT SHOWING MUCH FOR  
TOTAL PRECIPITATION LEADING UP TO FRIDAY. PWATS ARE ALSO NOT AS HIGH  
WITH THIS FRONTAL SYSTEM. GIVEN THIS, THERE IS LOW CONFIDENCE  
FOR ANY HYDRO ISSUES AT THIS TIME. THE WEEKEND HAS THE  
POTENTIAL TO BE MOSTLY DRY WITH THE RETURN OF HIGH PRESSURE. A  
WEAKER FRONTAL SYSTEM WILL MOVE THROUGH THE REGION LATE IN THE  
WEEKEND, THOUGH THERE IS UNCERTAINTY WITH THE COVERAGE OF  
SHOWERS.  
 
 
   
AVIATION /18Z MONDAY THROUGH SATURDAY/  
 
A PESKY CLOUD DECK REMAINS ACROSS PORTIONS OF NEPA AND CNY  
TODAY. MOISTURE FROM THE ATLANTIC EARLIER THIS MORNING WAS  
PUSHED WEST, AND NOW IT IS TRAPPED UNDER THE AXIS OF A SURFACE  
RIDGE SITTING OVER THE AREA. NOT A LOT OF STEERING CURRENTS ARE  
PRESENT OVER THE AREA SO THE CLOUD DECK IS SLOWLY DRIFTING  
NORTH WITH DAYTIME HEATING NOW PUSHING CEILINGS BACK TO VFR.  
THESE CLOUDS ARE EXPECTED TO SLOWLY DISSIPATE AS THE AFTERNOON  
PROGRESSES AND SHOULD CLEAR OUT BY THE EARLY EVENING HOURS.  
 
MOST OF THE REGION SHOULD BE VFR TONIGHT, BUT HIGH PRESSURE  
OVERHEAD AND MOSTLY CLEAR SKIES SHOULD ALLOW FOR VALLEY FOG TO  
DEVELOP. ELM IS INTERESTING IN THAT THE CLOUDS OVER THE AREA  
RIGHT NOW WERE NOT MODELED TO BE THERE AND SHOULD KEEP THE  
VALLEY COOLER THIS AFTERNOON. THE LOWER TEMPERATURES WILL ALLOW  
OVERNIGHT LOWS TO REACH THE DEWPOINT MUCH EASIER THAN IF IT WAS  
SUNNY AND SURFACE DEWPOINTS DRIED OUT THIS AFTERNOON. GUIDANCE  
IS SHOWING SIGNS OF IFR AND LOWER FOG TONIGHT BUT CONFIDENCE IS  
MEDIUM AT THIS TIME AS MODEL SOUNDINGS SHOW LOW LEVEL WINDS  
REMAINING ACTIVE, WHICH WOULD HELP MIX OUT ANY FOG THAT FORMS.  
CURRENT THINKING IS THERE WILL BE PERIODS OF FOG THAT ROLL IN  
AND OUT OF THE TERMINAL TONIGHT. GUIDANCE FOR THE NEXT SET OF  
TAFS SHOULD BE BETTER AS THE AFTERNOON CONDITIONS WILL BE  
INGESTED AND SHOULD PRODUCE INITIAL CONDITIONS CLOSER TO WHAT IS  
BEING OBSERVE. THIS SHOULD ALLOW FOR A BETTER HANDLE OF THE FOG  
DEVELOPMENT CHANCES.  
 
OUTLOOK:  
 
TUESDAY AFTERNOON AND EVENING...VFR.  
 
TUESDAY NIGHT THROUGH FRIDAY...SCATTERED SHOWERS AND  
THUNDERSTORMS MAY BRING OCCASIONAL RESTRICTIONS, ESPECIALLY EACH  
AFTERNOON.  
 
 
   
BGM WATCHES/WARNINGS/ADVISORIES  
 
PA...NONE.  
NY...NONE.  
 
 
 
 
 
DISCUSSION...BTL  
AVIATION...JTC  
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