940  
FXUS61 KBTV 291411  
AFDBTV  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BURLINGTON VT  
1011 AM EDT SUN JUN 29 2025  
   
SYNOPSIS  
 
PLEASANT WEATHER EXPECTED, TODAY. A NOTICEABLE WARMING TREND  
WILL BE SEEN ON MONDAY WITH AFTERNOON HIGHS CLIMBING INTO THE  
MID 80S TO LOWER 90S. SEVERAL DISTURBANCES AND FRONTAL  
BOUNDARIES WILL BRING SEVERAL ROUNDS OF SHOWERS AND  
THUNDERSTORMS TO THE NORTH COUNTRY MONDAY NIGHT AND AGAIN ON  
TUESDAY WITH A FEW STRONG THUNDERSTORMS POSSIBLE TUESDAY  
AFTERNOON. THEREAFTER, TEMPERATURES WILL RETURN TO MORE SEASONAL  
VALUES WITH A FEW SHOWERS POSSIBLE EACH DAY.  
 
 
   
NEAR TERM /THROUGH MONDAY/  
 
AS OF 1009 AM EDT SUNDAY...A SURFACE COLD FRONT IS MAKING  
PROGRESS ACROSS VERMONT, BUT THERE'S PLENTY OF STRATOCUMULUS  
ACROSS THE REGION. THIS LEAVES A VERY NARROW "WARM SECTOR" AS  
OF THIS HOUR WHICH WILL BE THE MAIN FOCUS FOR ANY ISOLATED  
SHOWERS THROUGH DAYBREAK. THE FRONT IS EXPECTED TO OCCLUDE OVER  
EASTERN VERMONT BY DAYBREAK AND CONTINUE SHIFTING EASTWARD WHICH  
WILL BRING AN END TO ANY LINGERING RAIN CHANCES. THE LATEST  
HIGH-RES GUIDANCE DEPICTS AN IMPRESSIVE FRONTAL INVERSION  
BETWEEN 3000 AND 4000 FT WHICH IS LIKELY TO TRAP SOME LOW LEVEL  
MOISTURE ACROSS THE REGION THROUGH AT LEAST MIDDAY SO IT MAY  
TAKE SOME TIME FOR SKIES TO FULLY CLEAR OUT. AS A MATTER OF  
FACT, BY 21Z, IT APPEARS THAT WE FINALLY MIX OUT THE FRONTAL  
INVERSION AND THE LOW LEVEL MOISTURE WITH MOSTLY SUNNY SKIES  
EXPECTED BY SUNSET. THERE ISN'T MUCH CHANGE IN THE AIR MASS  
AHEAD AND BEHIND THE AFOREMENTIONED COLD FRONT SO WE WILL STILL  
SEE TEMPERATURES WARM INTO THE MID 70S TO LOWER 80S ONCE AGAIN  
THIS AFTERNOON.  
 
AFTER SUNSET, IT APPEARS LIKELY THAT MANY PLACES ACROSS VERMONT AND  
NEW YORK WILL RAPIDLY COOL OFF BELOW THEIR CROSS OVER TEMPERATURES.  
THE NAM3, HRRR, AND RAP ARE SHOWING PRETTY WIDESPREAD DENSE FOG  
DEVELOPING BETWEEN 10 PM AND MIDNIGHT AND LASTING THROUGH SUNRISE.  
THE FAVORABLE LOCATIONS SUCH AS THE CONNECTICUT AND WINOOSKI RIVER  
VALLEYS ARE LIKELY TO BE THE FOCUS FOR MUCH OF THE DENSE FOG  
COVERAGE BUT PATCHY FOG WILL BE POSSIBLE IN MANY OTHER LOCATIONS.  
 
MONDAY CONTINUES TO LOOK LIKE THE HOTTEST DAY THIS WEEK AS DEEP  
LAYER RIDGING BUILD ACROSS THE REGION. CLEAR SKIES, LIGHT WINDS AND  
ABOVE NORMAL 925 MB, 850 MB, AND 700 MB TEMPS SHOULD ALLOW FOR  
TEMPERATURES TO WARM WELL INTO THE 80S AND THE LOWER 90S ACROSS THE  
WIDER VALLEY. THERE IS A FAIR AMOUNT OF DRIER AIR HOVERING OFF THE  
DECK ON MONDAY SO AS WE WARM AND MIX DEEPER, WE COULD ACTUALLY SEE  
OUR DEWPOINTS DROP. PRESENTLY, WE EXPECT DEWPOINTS IN THE LOWER 60S  
BUT IT'S BEGINNING TO LOOK LIKE WE MAY SEE DEWPOINTS DROP INTO THE  
MID TO UPPER 50S IN THE AFTERNOON. WITH ALL THIS BEING SAID, HEAT  
INDICES ARE EXPECTED TO TOP OUT IN THE 90 TO 93 DEGREES RANGE WHICH  
WILL REMAIN BELOW AND HEADLINE CRITERIA.  
 
 
   
SHORT TERM /MONDAY NIGHT THROUGH TUESDAY/  
 
AS OF 254 AM EDT SUNDAY...MONDAY NIGHT WILL SEE A PRE-FRONTAL  
TROUGH MOVE THROUGH INTO TUESDAY MORNING WHICH WILL BRING SOME  
SHOWERS AND ISOLATED THUNDERSTORMS. MODELS STILL SHOW THAT THE  
INSTABILITY LOOKS TO BE ELEVATED, SO THE CHANCES FOR ANY  
SIGNIFICANT THUNDERSTORM ACTIVITY LOOKS LOW. A WEAK COLD FRONT  
DOES MOVE THROUGH TUESDAY AFTERNOON WHICH LOOKS TO BRING ANOTHER  
ROUND OF CONVECTION. WHILE DEW POINTS WILL BE IN THE LOW 70S,  
CLOUD COVER AND SHALLOW MID-LEVEL LAPSE RATES LOOK TO CAP  
THUNDERSTORM ACTIVITY IN THE AFTERNOON, THOUGH 2" PWATS COULD  
LEAD TO A SOME REALLY EFFECT RAINFALL IN THE STORM THAT DO POP  
UP.  
 
 
   
LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/  
 
AS OF 254 AM EDT SUNDAY...TUESDAY NIGHT WILL SEE A PUSH OF DRIER AND  
COOLER AIR, WHICH WILL LEAD TO DEW POINTS BEING A BIT LOWER ON  
WEDNESDAY, IN THE LOWER 60S, THE DECREASED CLOUD COVER WILL  
ACTUALLY LEAD TO A SIMILARLY HOT DAY AS TUESDAY, WITH TEMPS IN  
MID 80S. THURSDAY WILL SEE AN UPPER LOW MOVE TO THE NORTH OF  
AREA, BRINGING AN ACCOMPANYING SHORT WAVE, WITH THAT ANOTHER  
CHANCE OF AFTERNOON CONVECTION. FRIDAY WILL SEE HIGH PRESSURE  
BUILD IN BEFORE ANOTHER POTENTIAL UNSETTLED WEEKEND AWAITS.  
 
 
   
AVIATION /14Z SUNDAY THROUGH THURSDAY/  
 
THROUGH 12Z MONDAY...WINDS HAVE VEERED FROM THE SOUTH TO THE  
WEST/NORTHWEST OVER THE PAST FEW HOURS FOLLOWING THE PASSAGE OF  
A COLD FRONT. POCKETS OF MFVR CEILINGS HAVE DEVELOPED ACROSS  
KSLK, KRUT, AND KMPV THIS MORNING AND WILL LIKELY CONTINUE  
THROUGH 16Z BEFORE MIXING OUT WITH RAPIDLY DECREASING CLOUD  
COVER THEREAFTER. THE WEATHER TODAY WILL BE QUIET OVERALL WITH  
WEST WINDS OF LESS THAN 10 KNOTS BUT IT LOOKS LIKE WIDESPREAD  
FOG IS ON THE TABLE LATE TONIGHT INTO MONDAY MORNING. GIVEN THE  
LATEST GUIDANCE, WE HAVE ALREADY BEGUN TO SUGGEST VLIFR FOG AT  
KSLK, KEFK, KRUT, AND KMPV.  
 
OUTLOOK...  
 
MONDAY: VFR. PATCHY BR.  
MONDAY NIGHT: VFR. CHANCE SHRA.  
TUESDAY: MAINLY VFR, WITH AREAS MVFR POSSIBLE. DEFINITE SHRA,  
SLIGHT CHANCE TSRA.  
TUESDAY NIGHT: VFR. SLIGHT CHANCE SHRA.  
WEDNESDAY: VFR. SLIGHT CHANCE SHRA, SLIGHT CHANCE TSRA.  
WEDNESDAY NIGHT: VFR. NO SIG WX.  
THURSDAY: VFR. CHANCE SHRA, SLIGHT CHANCE TSRA.  
 
 
   
BTV WATCHES/WARNINGS/ADVISORIES  
 
VT...NONE.  
NY...NONE.  
 
 
 
 
SYNOPSIS...CLAY  
NEAR TERM...CLAY/HAYNES  
SHORT TERM...VERASAMY  
LONG TERM...VERASAMY  
AVIATION...CLAY  
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