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Area Forecast Discussion
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000
FXUS61 KBTV 240520
AFDBTV

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BURLINGTON VT
120 AM EDT FRI OCT 24 2014

.SYNOPSIS...
SOGGY WEATHER WILL CONTINUE OVERNIGHT. HOWEVER, SLOWLY IMPROVING
CONDITIONS ARE EXPECTED FRIDAY. ALTHOUGH SATURDAY WILL START OFF
DRY WITH SOME SUN, A FRONT WILL MOVE THROUGH LATE SATURDAY
BRINGING ADDITIONAL CHANCES FOR SHOWERS THAT WILL LINGER ON
SUNDAY. DRIER AND MILDER WEATHER IS EXPECTED BY EARLY NEXT WEEK.

&&

.NEAR TERM /UNTIL 7 AM THIS MORNING/...
AS OF 750 PM EDT THURSDAY...QUASI-STATIONARY CUTOFF LOW SOUTHEAST
OF CAPE COD WILL MAINTAIN DEEP MOIST FETCH ACROSS ME/NH AND INTO
THE NORTH COUNTRY OVERNIGHT. MOSAIC RADAR IMAGERY INDICATES
SEVERAL BANDS OF LIGHT TO MODERATE RAIN WHICH WILL PIVOT WESTWARD
ACROSS VERMONT AND NORTHERN NY WITHIN BROAD CYCLONIC CIRCULATION.
WHILE IT WON/T BE RAINING THE ENTIRE NIGHT...PERIODS OF RAIN WILL
COMBINE WITH LOW OVERCAST CONDITIONS AND SOME PATCHY DRIZZLE/FOG
EAST OF THE GREEN MTNS. TEMPERATURES WILL CHANGE VERY LITTLE
OVERNIGHT...WITH TEMPERATURES GENERALLY IN THE LOW-MID 40S. IN
FACT...THE TEMPERATURE AT BURLINGTON TODAY ONLY VARIED 3 DEGREES
SINCE MIDNIGHT...FROM 44-47F. WINDS WILL CONTINUE FROM THE NORTH
AT 10-15 MPH. WILL SEE SOME LOCALLY HIGHER GUSTS WITH CHANNELED
FLOW IN THE CHAMPLAIN VALLEY...AND THE LAKE WIND ADVISORY
CONTINUES FOR LAKE CHAMPLAIN WITH WINDS NORTH AT 15-25 KNOTS.

RAINFALL AMOUNTS THUS FAR HAVE BEEN HIGHEST ACROSS WINDSOR COUNTY
IN SERN VT WITH TOTALS RANGING FROM 1.2-1.4". TOTALS STEADILY DROP
OFF TO THE NORTH AND WEST FURTHER AWAY FROM THE CIRCULATION CENTER
0.53" AT MPV AND 0.37" AT BTV. AMOUNTS ACROSS NRN NY THUS FAR HAVE
GENERALLY BEEN LESS THAN 0.40". AN ELABORATED UPON IN THE HYDRO
SECTION BELOW...FLOODING CONCERNS ARE NOT EXPECTED WITH THIS
SYSTEM ACROSS THE NORTH COUNTRY.

&&

.SHORT TERM /7 AM THIS MORNING THROUGH SATURDAY NIGHT/...
AS OF 400 PM EDT THURSDAY...BY LATE FRIDAY MORNING, THE LOW WILL
BE NEARING THE CANADIAN MARITIMES AND THE REGION WILL BE ON THE
WESTERN FRINGES OF THE SYSTEM. EXPECT SHOWERS AND CLOUDS TO SLOWLY
FADE FROM WEST TO EAST DURING THE DAY. HOWEVER WITH LOTS OF LOW
LEVEL MOISTURE AND CYCLONIC FLOW ALOFT, THE CLEARING WILL LIKELY
BE PAINFULLY SLOW, ESPECIALLY FOR NORTHERN VERMONT. GUIDANCE SEEMS
TO BE WANTING TO CLEAR MUCH OF THE AREA OUT A LITTLE TOO QUICKLY,
AND AS A RESULT IT'S TEMPERATURES ARE PROBABLY A TOUCH TOO HIGH.
WENT BELOW GUIDANCE FOR EASTERN AREAS -- ANOTHER DAY GENERALLY IN
THE 40S, HOWEVER IT LOOKS LIKE MUCH OF NORTHERN NEW YORK SHOULD
REACH INTO THE 50S (WHICH IS NEAR NORMAL FOR THIS TIME OF YEAR). 

FRIDAY NIGHT IS LOOKING DRY, THOUGH CLOUDS WILL STILL BE HANGING
TOUGH ACROSS THE HIGHER TERRAIN OF NORTHEAST VERMONT. A LITTLE BIT
OF A PRESSURE GRADIENT SHOULD KEEP WINDS UP A LITTLE (5MPH OR SO),
AND THIS WILL KEEP US FROM SEEING OUR BEST RADIATIONAL COOLING
CONDITIONS FOR THOSE AREAS THAT DO CLEAR OUT. GENERALLY FOLLOWED A
BLEND OF GUIDANCE FOR TEMPERATURES, EXPECT THE NORTHEAST KINGDOM.
GUIDANCE INDICATED LOW 30S COME SATURDAY MORNING, BUT WITH
LINGERING CLOUDS, I THOUGHT MID 30S WAS MORE APPROPRIATE. 

SATURDAY WILL START OFF DRY WITH MANY OF US SEEING SOME SUNSHINE.
HOWEVER A FAST MOVING UPPER TROUGH AND ASSOCIATED WILL BE
APPROACHING BY LATE IN THE DAY. WINDS WILL TURN FROM
NORTHWEST/WEST TO SOUTHERLY BY LATE IN THE DAY AS CLOUDS SPREAD IN
FROM THE WEST. BY AFTERNOON WE SHOULD START TO SEE SOME SHOWERS
COME INTO NORTHERN NEW YORK, SPREADING INTO VERMONT BY SATURDAY
EVENING. WITH 925MB TEMPERATURES OF 8-10C AND A LITTLE BIT OF SUN,
WE SHOULD EASILY BE NEAR NORMAL HIGHS -- IF NOT EVEN A LITTLE
ABOVE. SINCE THE SYSTEM WON'T HAVE A LOT OF MOISTURE TO WORK WITH,
EVEN THOUGH I DO HAVE POPS IN THE 50-70% RANGE LATE SATURDAY
EVENING AND SATURDAY NIGHT, ACTUAL RAINFALL TOTALS SHOULD BE
NOTHING MORE THAN 1/4".

&&

.LONG TERM /SUNDAY THROUGH THURSDAY/...
AS OF 342 PM EDT THURSDAY...COLDER AIR TO WORK INTO THE REGION ON
SUNDAY...SO EXPECTING A CHANCE OF RAIN SHOWERS IN THE VALLEYS AND
RAIN OR SNOW SHOWERS OVER THE HIGHER ELEVATIONS OF THE ADIRONDACKS
AND GREEN MOUNTAINS. A RIDGE OF HIGH PRESSURE AT THE SURFACE AND
ALOFT BUILDS INTO THE REGION ON MONDAY WITH MAINLY FAIR AND DRY
WEATHER EXPECTED. EXPECTING FAIR AND DRY WEATHER TO CONTINUE FROM
MONDAY NIGHT THROUGH TUESDAY NIGHT AS A RIDGE OF HIGH PRESSURE AT
THE SURFACE AND ALOFT REMAINS OVER THE REGION. ON WEDNESDAY...A
COLD FRONT WILL MOVE INTO THE REGION BRING A CHANCE OF RAIN
SHOWERS TO THE REGION. WILL KEEP IN SOME LOW CHANCE POPS FOR
THURSDAY AS COLDER AIR WORKS INTO THE REGION.

&&

.AVIATION /06Z FRIDAY THROUGH TUESDAY/...
THROUGH 06Z SATURDAY...IFR TO LIFR CIGS WILL PERSIST THROUGH THE
OVERNIGHT HOURS AS MOISTURE FEED OFF THE GULF OF MAINE CONTINUES
TO STREAM INTO THE FORECAST AREA. EXCEPTION WILL BE KMSS WHERE VFR
CONDITIONS WILL CONTINUE. CURRENT RADAR SHOWS SOME LIGHT RAIN OR
DRIZZLE TRYING TO SHIFT WESTWARD THROUGH THE AREA WITH SOME MVFR
VSBY LIKELY THROUGH 12Z FROM KPBG EASTWARD. KSLK/KMSS LIKELY
REMAIN RAIN FREE...THOUGH SOME ON/OFF P6SM DRIZZLE IS POSSIBLE AT
KSLK. CONDITIONS BEGIN TO IMPROVE AFTER 14Z FROM WEST TO EAST WITH
A SHARP IMPROVEMENT IN CIGS MID-AFTERNOON AS LOW CLOUDS SCATTER
OUT REVEALING MID/HIGH VFR DECK. ALL SITES ARE VFR AFTER 00Z.

OUTLOOK 06Z SATURDAY THROUGH TUESDAY...

06Z SATURDAY - 18Z SATURDAY...VFR UNDER HIGH PRESSURE.

18Z SATURDAY - 12Z MONDAY...VFR TRENDING TO AREAS OF MVFR IN
VALLEY RAIN SHOWERS AND POSSIBLE MOUNTAIN SNOW SHOWERS AS A COLD
FRONT BRINGS COLDER AIR INTO THE REGION.

12Z MONDAY - 00Z WEDNESDAY...VFR UNDER HIGH PRESSURE.

&&

.HYDROLOGY...
AS OF 400 PM EDT THURSDAY...RAINFALL TOTALS HAVE NOT BEEN OVERLY
EXCESSIVE THUS FAR (0.5"-1.25" SINCE YESTERDAY IN THE WETTEST
LOCATIONS). DESPITE ANOTHER 0.3-0.7" EXPECTED OVER THE NEXT 12
HOURS, RIVERS REMAIN FAR FROM BANKFUL AND WE ARE NOT ANTICIPATING
ANY HYDRO RELATED ISSUES.

&&

.MARINE...
AS OF 400 PM EDT THURSDAY...A WIND ADVISORY REMAINS IN EFFECT
OVERNIGHT FOR LAKE CHAMPLAIN THANKS TO CONTINUED NORTHERLY WINDS
OF 15 TO 25 KNOTS. SOME GUSTS DURING THURSDAY WERE AROUND 30 KNOTS
IN THE FAR SOUTHERN PART OF THE LAKE, CLOSER TO DIAMOND ISLAND,
AND THESE STRONGER WINDS ARE POSSIBLE OVERNIGHT AS THE WIND GETS
FUNNELED THROUGH THE NARROWING VALLEY ON THE SOUTHERN END OF THE
LAKE. NEEDLESS TO SAY, THE PERSISTENT GUSTY WINDS ARE ALSO
CREATING CHOPPY WAVE CONDITIONS. THESE GUSTY NORTHERLY WINDS WILL
DIMINISH BY LATE FRIDAY MORNING.

&&

.BTV WATCHES/WARNINGS/ADVISORIES...
VT...NONE.
NY...NONE.

&&

$$
SYNOPSIS...NASH
NEAR TERM...BANACOS/NASH
SHORT TERM...NASH
LONG TERM...WGH
AVIATION...LAHIFF
HYDROLOGY...NASH 
MARINE...NASH



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