974  
FXUS61 KBGM 251045  
AFDBGM  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BINGHAMTON NY  
645 AM EDT WED JUN 25 2025  
   
SYNOPSIS  
 
COOLER TEMPERATURES ACROSS NEW YORK TODAY AS A WEAK COOL FRONT  
MOVES IN FROM THE NORTH. RAIN AND THUNDERSTORMS POP UP IN THE  
AFTERNOON ACROSS THE WESTERN PORTION OF THE TWIN TIERS. THE  
CHANCE FOR SCATTERED SHOWERS AND THUNDERSTORMS WILL PERSIST  
THROUGH THE START OF THE WEEKEND.  
 
 
   
NEAR TERM /THROUGH THURSDAY/  
 
630 AM UPDATE...  
 
FORECAST REMAINS ON TRACK. MORNING TEMPS WERE A DEGREE OR TWO  
TOO LOW SO ADJUSTED HOURLY TEMPS OVER THE NEXT FEW HOURS TO  
MATCH CURRENT TRENDS.  
 
220 AM UPDATE...  
 
QUIET NIGHT ACROSS THE CWA AS HIGH PRESSURE REMAINS IN CONTROL  
OF THE WEATHER PATTERN. TEMPS ARE QUITE WARM TONIGHT, WITH  
WIDESPREAD 70S REMAINING ACROSS THE REGION. SYRACUSE REMAINS THE  
HOT SPOT AS THEY JUST FELL BELOW 80, NOW CURRENTLY AT 79  
DEGREES. TEMPS WILL FALL A FEW MORE DEGREES TONIGHT, WITH HIGH  
CLOUDS STREAMING OVERHEAD HELPING TO KEEP TEMPS WARM.  
 
TODAY WILL FINALLY SEE SOME RELIEF FROM THE HEAT AS THE RIDGE  
STARTS TO FLATTEN OUT OVER OUR CWA, ALLOWING A COOL FRONT TO  
DROP INTO THE REGION FROM THE NORTH. AREAS NORTH OF THE SOUTHERN  
TIER SHOULD SEE HIGHS IN THE LOW TO MID 80S WITH HEAT INDICES  
APPROACHING 90 AS DEWPOINTS REMAIN IN THE MID 60S. THE TWIN  
TIERS, CATSKILLS AND POCONOS WILL REMAIN WARM, WITH HIGHS IN THE  
UPPER 80S TO MID 90S. THE HOT SPOTS WILL BE IN LACKAWANNA,  
LUZERNE, PIKE AND SULLIVAN COUNTIES WHERE HEAT INDICES ARE  
EXPECTED TO RANGE FROM 95-102. HEAT ADVISORIES REMAIN IN EFFECT  
FOR THESE COUNTIES UNTIL 8PM TONIGHT.  
 
THE COLD FRONT IS EXPECTED TO MOVE INTO THE TWIN TIERS AREA BY  
THE MID AFTERNOON AS A WEAK SHORTWAVE PROPAGATES IN FROM THE  
WEST ALONG WITH A FINGER OF HIGH MOISTURE THAT WILL SPILL INTO  
THE WESTERN SOUTHERN TIER INTO NEPA. AHEAD OF THE FRONT, AN  
UNSTABLE ENVIRONMENT IS EXPECTED, WITH CAPE VALUES AROUND 1500  
J/KG ACROSS NEPA DURING THE MID TO LATE AFTERNOON. SHEAR VALUES  
LOOK TO BE MARGINAL, WITH 20-25KTS OF 0-6KM BULK SHEAR AVAILABLE  
FOR STORMS TO INGEST. PWATS ARE EXPECTED TO BE HIGH, WITH  
VALUES APPROACHING 2 INCHES DURING THE AFTERNOON AND EVENING  
ACROSS THE AFOREMENTIONED AREA. WITH INVERTED V SOUNDINGS AND  
MODERATE LOW LEVEL LAPSE RATES, WE COULD SEE STORMS FORM WITH  
UPDRAFTS STRONG ENOUGH TO PRODUCE HEAVY RAIN THE POSSIBILITY OF  
AN ISOLATED WET MICROBURST. THESE FACTORS HAVE LEAD TO THE  
WESTERN PORTION OF THE TWIN TIERS BEING IN A MARGINAL RISK FOR  
SEVERE STORMS AND MUCH OF THE TWIN TIERS IN A MARGINAL RISK FOR  
EXCESSIVE RAINFALL LEADING TO FLASH FLOODING. CONFIDENCE IN  
SEVERE WEATHER AND FLASH FLOODING IS LOW TO MEDIUM AS CAMS ARE  
STILL UNSURE AS TO HOW THE ATMOSPHERE IN THIS REGION WILL PLAY  
OUT, WITH SOME, INCLUDING THE HRRR, SHOWING A CAP AROUND 15K  
FEET WHICH WOULD LIMIT SEVERE POTENTIAL.  
 
WEDNESDAY NIGHT INTO THURSDAY MORNING, A SURFACE HIGH WILL MOVE  
INTO SOUTHERN QUEBEC/NORTHERN NEW ENGLAND, HELPING TO KEEP A  
STATIONARY FRONT ACROSS CENTRAL PA. SCATTERED RAIN SHOWERS MAY  
DEVELOP ACROSS PARTS OF THE AREA LATER IN THE OVERNIGHT HOURS AS  
SW FLOW ACROSS PA MOVES OVER THE STATIONARY FRONT. OVERNIGHT  
LOWS WILL BE IN THE 60S ACROSS THE REGION.  
 
RAIN AND THUNDERSTORM CHANCES REMAIN ACROSS THE AREA THURSDAY AS  
ESE FLOW FROM THE HIGH BRINGS MOISTURE INTO THE AREA FROM THE  
ATLANTIC THAT SHOULD INTERACT WITH A WARM FRONT THAT IS  
EXPECTED TO MOVE INTO THE AREA FROM THE WEST. WE ARE IN A  
MARGINAL RISK FOR EXCESSIVE RAINFALL ON THURSDAY, WITH THE BEST  
CHANCE FOR HEAVY RAIN ACROSS THE TWIN TIERS. WE WILL SEE A NICE  
RELIEF FROM THE HEAT ON THURSDAY, WITH HIGHS IN THE MID TO UPPER  
70S FOR MOST, WITH LOW 80S IN THE VALLEYS OF THE TWIN TIERS.  
 
 
   
SHORT TERM /THURSDAY NIGHT THROUGH FRIDAY NIGHT/  
 
335 AM UPDATE:  
 
SHOWERS AND ISOLATED THUNDERSTORMS WILL BE COMING TO AN END LATE  
THURSDAY NIGHT AS THE SHORTWAVE PUSHES EAST OF THE REGION.  
FRONTAL BOUNDARY WILL PUSH NORTHWARD ACROSS THE AREA ON FRIDAY  
AND THE TREND IN THE MODEL GUIDANCE IS PUSHING THE FRONT WELL  
NORTH OF OUR AREA BY FRIDAY AFTERNOON. THIS TREND IS NOTED WITH  
LOWERING POPS FOR THE AREA FOR NE PA AND THE SOUTHERN TIER WITH  
HIGHER END CHANCE POPS ACROSS OUR NORTHERN FORECAST AREA.  
ALSO, WITH THE FRONT PULL FURTHER NORTH, WARMER SW FLOW DEVELOPS  
BY FRIDAY AFTERNOON. FOR NOW, STUCK WITH NBM TEMPERATURES, BUT  
COULD SEE HIGHS TICK UPWARD IF THIS SCENARIO PLAYS OUT AND HIGHS  
COULD END UP 5 TO 10 DEGREES WARMER. STILL SOME TIME TO SORT OUT  
THE DETAILS, BUT CONFIDENCE IS INCREASING FOR A DRIER AND WARMER  
FRIDAY.  
 
FRIDAY NIGHT WILL REMAIN WARM WITH LOWS ONLY DIPPING INTO THE  
UPPER 50S TO MID 60S.  
 
 
   
LONG TERM /SATURDAY THROUGH TUESDAY/  
 
345 AM UPDATE:  
 
UNSETTLED WEATHER CONTINUES ON SATURDAY WITH ADDITIONAL WAVES OF  
LOW PRESSURE RIDING ALONG A MAINLY ZONAL FLOW. FRONTAL ZONE DIPS  
SOUTHWARD AGAIN AND THE COVERAGE OF SHOWERS AND THUNDERSTORMS  
LOOK TO BE GREATER ON SATURDAY COMPARED TO FRIDAY. HOWEVER,  
SHOWERS AND THUNDERSTORMS WILL BE MOSTLY FOCUSED DURING THE  
AFTERNOON AND EVENING HOURS ON SATURDAY. THE FRONTAL BOUNDARY  
LIFTS NORTH OF THE AREA AGAIN ON SUNDAY AND THIS WILL ALLOW FOR  
TEMPERATURES TO HEAT UP ONCE AGAIN. THERE IS SOME POTENTIAL FOR  
HEAT ADVISORY CONDITIONS POPPING UP AGAIN FOR THE START OF NEXT  
WEEK, ALTHOUGH THIS WILL BE DEPENDENT ON SHOWER AND  
THUNDERSTORM ACTIVITY DURING THE PEAK HEATING HOURS IN THE  
AFTERNOON.  
 
 
   
AVIATION /12Z WEDNESDAY THROUGH SUNDAY/  
 
VFR CONDITIONS EXPECTED ACROSS THE REGION TODAY AS WEAKENING  
HIGH PRESSURE REMAINS IN PLACE. RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE WESTERN TWIN  
TIERS THIS AFTERNOON, MOVING TO THE SE AS THE AFTERNOON  
PROGRESSES. SOME SHOWERS/STORMS MAY IMPACT ELM AND AVP IN THE  
MID AFTERNOON TO EARLY EVENING. CONFIDENCE WAS HIGH ENOUGH TO  
INCLUDE A PROB30 GROUP IN THE ELM TAF, BUT NOT THE AVP TAF. CAMS  
SHOW SOME BETTER DEVELOPMENT NEAR ELM, WITH THE STORMS AND RAIN  
WEAKENING AS THEY MOVE INTO AVP. HEAVY RAIN WILL OCCUR WITH  
STORMS THAT DEVELOP, AND IF ONE MOVES OVER THE TERMINAL, IFR OR  
LOWER CONDITIONS WILL BE POSSIBLE. ALSO, IF ELM SEES RAIN IN THE  
AFTERNOON/EVENING, THERE WILL BE A GOOD CHANCE FOR FOG AND  
IFR/LIFR CONDITIONS TO DEVELOP DURING THE OVERNIGHT HOURS. IF  
RAIN MISSES THE TERMINAL, THE FOG CHANCES REMAIN BUT PROBABLY  
DEVELOP LATER IN THE OVERNIGHT HOURS AND NOT STICK AROUND FOR AS  
LONG.  
 
OUTLOOK...  
 
THURSDAY THROUGH SUNDAY....MAINLY VFR. THERE WILL BE ISOLATED  
TO SCATTERED SHOWERS AND THUNDERSTORMS WITH ASSOCIATED  
RESTRICTIONS BUT TERMINALS WILL BE MOSTLY VFR.  
 
SUNDAY...MAINLY VFR.  
 
 
   
CLIMATE  
 
RECORD HIGHS SET AT BGM, SYR AND AVP WITH HIGHS OF 91 AT BGM, 95  
AT SYR AND AVP TODAY. PREVIOUS RECORDS ARE BELOW.  
 
SYRACUSE: 93 DEGREES IN 1949 AND 1952, BINGHAMTON:  
88 DEGREES IN 1975, AVOCA: 94 DEGREES IN 1908 AND 1923  
 
BGM AND SYR WILL LIKELY REMAIN WELL BELOW RECORD HIGHS  
WEDNESDAY. AVP'S RECORD HIGH WEDNESDAY IS 95F SET IN 1943, WITH  
A FORECAST HIGH OF 92F, IT SHOULD REMAIN BELOW THE RECORD.  
 
 
   
BGM WATCHES/WARNINGS/ADVISORIES  
 
PA...HEAT ADVISORY UNTIL 8 PM EDT THIS EVENING FOR PAZ044-047-048.  
NY...HEAT ADVISORY UNTIL 8 PM EDT THIS EVENING FOR NYZ062.  
 
 
 
 
 
SYNOPSIS...JTC  
NEAR TERM...JTC  
SHORT TERM...BJG/MPK  
LONG TERM...BJG/MPK  
AVIATION...JTC  
CLIMATE...  
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