987
FXUS61 KBTV 061825
AFDBTV
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BURLINGTON VT
225 PM EDT MON OCT 6 2025
SYNOPSIS
FIRE WEATHER CONCERNS WILL CONTINUE TOMORROW, ESPECIALLY IN VERMONT
WHERE RELATIVE HUMIDITIES WILL BE THE LOWEST. A SLOW MOVING COLD
FRONT PASSES THROUGH TOMORROW AFTERNOON AND EVENING, BRINGING A
ROUND OF WIDESPREAD SHOWERS AND AN END TO THE RECORD HEAT. FROSTS
AND FREEZES ARE EXPECTED IN MANY PLACES WEDNESDAY NIGHT THROUGH
FRIDAY NIGHT.
NEAR TERM /THROUGH TUESDAY NIGHT/
AS OF 225 PM EDT MONDAY...DAILY RECORDS HAVE BEEN BROKEN AGAIN TODAY,
AND TEMPERATURES WILL STILL CLIMB A LITTLE MORE DURING THE REST OF
THE AFTERNOON. HOWEVER, 925 MB TEMPERATURES ARE SLIGHTLY LOWER TODAY
SO HIGHS WILL LIKELY BE A LITTLE BELOW YESTERDAY. AT BTV, WE ARE
RUNNING TWO DEGREES BELOW YESTERDAY AT THIS TIME SO THE MONTHLY
RECORD OF 86 WILL LIKELY REMAIN JUST OUT OF REACH. BOUNDARY LAYER
WINDS WILL REMAIN ELEVATED TONIGHT, SO FOG IS UNLIKELY IN MOST
PLACES. HOWEVER, WITH INCREASED DEW POINTS, IT CANNOT BE RULED OUT
IN SOME OF THE PROTECTED VALLEYS OF EASTERN VERMONT. A SOUTHERLY LOW
LEVEL JET MOVES OVERHEAD TOMORROW. A COLD FRONT WILL BRING A LINE OF
SHOWERS THROUGH THE REGION FORM NORTHWEST TO SOUTHEAST, REACHING THE
ST. LAWRENCE VALLEY IN THE MORNING AND VERMONT IN THE MID-AFTERNOON.
AHEAD OF THE FRONT, EFFICIENT MIXING WILL CAUSE STRONG WIND GUSTS
AND LOW HUMIDITIES. GUSTS IN THE 20 TO 30 MPH RANGE ARE EXPECTED IN
MOST PLACES, AND RELATIVE HUMIDITIES SHOULD DROP INTO THE 30S ACROSS
PARTS OF VERMONT, SO FIRE WEATHER CONCERNS WILL CONTINUE. THE FRONT
WILL BRING A WIDESPREAD WETTING RAINFALL, WITH TOTALS OVER AN INCH
IN PLACES. THE COLD FRONT WILL BRING AN END TO THE RECORD HEAT AND
WHILE TEMPERATURES WILL REMAIN ABOVE CLIMATOLOGICAL NORMALS TOMORROW
NIGHT, IT WILL BEGIN TO FEEL MORE LIKE FALL.
SHORT TERM /WEDNESDAY THROUGH WEDNESDAY NIGHT/
AS OF 225 PM EDT MONDAY...HIGH PRESSURE BUILDS DOWN INTO THE REGION
WEDNESDAY AND WEDNESDAY NIGHT, BRINGING A DAY OF STRONG COLD AIR
ADVECTION. NORTHERLY WINDS WILL GUSTS IN THE 15 TO 25 MPH RANGE. A
FEW SHOWERS WILL LINGER IN SOUTHERN AREAS EARLY WEDNESDAY MORNING
BUT CONDITIONS WILL DRY OUT QUICKLY. SOME ADVECTION WILL CONTINUE
DURING THE NIGHT SO IT SHOULD PREVENT IDEAL RADIATIONAL COOLING, BUT
TEMPERATURES WILL STILL FALL INTO THE THIRTIES FOR MOST PLACES.
WIDESPREAD FROST SHOULD OCCUR IN THE PROTECTED AREAS OUTSIDE THE
IMMEDIATE CHAMPLAIN VALLEY.
LONG TERM /THURSDAY THROUGH MONDAY/
AS OF 225 PM EDT MONDAY...LOW TEMPERATURES CONTINUE TO BE THE MOST
NOTEWORTHY ASPECT OF THE WEATHER IN THE THURSDAY-FRIDAY TIMEFRAME AS
A SEASONABLY CHILLY AIR MASS GRADUALLY EXITS THE AREA. HIGH PRESSURE
WILL BE ABOVE THE 99TH CLIMATOLOGICAL PERCENTILE, AS READINGS WILL
BE IN THE RANGE OF 1033 TO 1036 MILLIBARS. THE HIGHEST PRESSURE IN
OUR REGION SHOULD OCCUR ROUGHLY THURSDAY EVENING PER ENSEMBLE MEAN
DATA. THE LATEST FORECAST REMAINS ON TRACK FOR NEAR FREEZING
TEMPERATURES IN MUCH OF THE ST. LAWRENCE VALLEY AND CENTRAL VERMONT
THURSDAY MORNING WHERE HEADLINES WILL BE NEEDED IN OUR FROST/FREEZE
PROGRAM. GIVEN IDEAL RADIATIONAL COOLING CONDITIONS AND THE STRONG
HIGH PRESSURE SYSTEM, FRIDAY MORNING MINIMUMS HAVE TRENDED EVEN
LOWER. IN COORDINATION WITH NEIGHBORING OFFICES, WE HAVE LOWERED
TEMPERATURES CLOSER TO WHAT THE COLDEST, STATISTICALLY-BASED MODELS
INDICATE, SUGGESTING A HARD FREEZE MAY OCCUR AT MOST LOCATIONS ASIDE
FROM THE ST. LAWRENCE AND CHAMPLAIN VALLEYS. PERENNIAL COLD SPOT AT
THE ADIRONDACK REGIONAL AIRPORT WILL LIKELY SEE A TEMPERATURE IN THE
TEENS FOR THE FIRST TIME SINCE APRIL 18TH.
QUIET WEATHER AND MODERATING TEMPERATURES STILL ON TRACK FOR THE
WEEKEND, WITH NEAR NORMAL CONDITIONS. THE DETAILS DO DIVERGE A BIT
SUNDAY THROUGH MONDAY IN A COMPLEX UPPER LEVEL PATTERN, WITH SOME
MODEL
AVIATION /19Z MONDAY THROUGH SATURDAY/
VFR CONDITIONS ARE EXPECTED THROUGH THE PERIOD AS THE LIMITED FOG AT
MPV LAST NIGHT WILL BE EVEN LESS LIKELY WITH THE FURTHER INCREASED
WINDS OFF THE DECK. THE ONE POSSIBILITY FOR MVFR CONDITIONS WOULD BE
AT MSS AND POSSIBLY SLK, ESPECIALLY 15-18Z TUESDAY, AS AN AREA OF
SHOWERS MOVES INTO THE AREA. AT MSS, SHOWER CHANCES RAMP UP TO
GREATER THAN 70% CHANCE OF RAIN BY THE END OF THE PERIOD, AND CLOSE
TO 50% AT SLK, WITH SIMILAR PROBABILITIES OF MVFR CONDITIONS.
ASIDE FROM A SOUTHEAST, LAKE BREEZE SHIFTING TO SOUTHWESTERLY AT PBG
AFTER 19Z, STEADY SOUTHWEST WINDS 5 TO 10 KNOTS WITH SOME GUSTS TO
NEAR 20 KNOTS WILL BE COMMON THROUGH 22Z, EXCEPT 15 KNOTS GUSTING TO
25 KNOTS AT MSS. LOW LEVEL WINDS WILL BE INCREASING AFTER SUNSET OUT
OF THE SOUTHWEST, SUPPORTING CONTINUED BREEZINESS AT MSS WHILE OTHER
SITES BEHAVE SIMILAR TO PREVIOUS NIGHTS, WITH LIGHT SOUTH OR TERRAIN-
DRIVEN WINDS 22Z THROUGH 12Z. THEREAFTER, ESPECIALLY AT VERMONT
TERMINALS, WINDS WILL RAPIDLY INCREASE WITH GUSTS 18 TO 25 KNOTS
THROUGH THE REST OF THE PERIOD. GREATER THAN 30 KNOT WINDS NEAR 1000
FEET AGL AT MSS WILL SUPPORT A PERIOD OF LLWS, AS WELL.
OUTLOOK...
TUESDAY NIGHT: MAINLY VFR, WITH LOCAL IFR POSSIBLE. DEFINITE
SHRA.
WEDNESDAY: VFR. SLIGHT CHANCE SHRA.
WEDNESDAY NIGHT: VFR. PATCHY FROST.
THURSDAY: VFR. NO SIG WX.
THURSDAY NIGHT: VFR. PATCHY FROST.
FRIDAY: VFR. NO SIG WX.
FRIDAY NIGHT: VFR. NO SIG WX.
SATURDAY: VFR. NO SIG WX.
CLIMATE
THE HEAT CONTINUES TODAY AND MANY RECORDS ARE IN JEOPARDY.
BELOW ARE SOME OF THE DAILY RECORDS IN JEOPARDY OF BEING BROKEN
(CURRENT FORECAST AT OR WITHIN 3 DEGREES OF THE RECORD).
RECORD HIGH TEMPERATURES:
OCTOBER 6:
KBTV: 82/1990
KMPV: 79/1990
KMSS: 81/2005
KSLK: 80/1946
RECORD HIGH MINIMUM TEMPERATURES:
OCTOBER 6:
KBTV: 64/1937
OCTOBER 7:
KBTV: 62/1947
BTV WATCHES/WARNINGS/ADVISORIES
VT...NONE.
NY...NONE.
SYNOPSIS...MYSKOWSKI
NEAR TERM...MYSKOWSKI
SHORT TERM...MYSKOWSKI
LONG TERM...KUTIKOFF
AVIATION...KUTIKOFF
CLIMATE...BTV
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