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Expires:201305182015;;325942
FPUS51 KBTV 181032
ZFPBTV
ZONE FORECAST PRODUCT FOR VERMONT AND NORTHERN NEW YORK
NATIONAL WEATHER SERVICE BURLINGTON VT
632 AM EDT SAT MAY 18 2013

VTZ006-182015-
LAMOILLE-
INCLUDING THE CITIES OF...JOHNSON...STOWE
632 AM EDT SAT MAY 18 2013
.TODAY...SUNNY. HIGHS IN THE UPPER 60S. LIGHT AND VARIABLE WINDS. 
.TONIGHT...PARTLY CLOUDY. LOWS IN THE MID 40S. LIGHT AND VARIABLE
WINDS. 
.SUNDAY...PARTLY SUNNY. HIGHS AROUND 70. LIGHT AND VARIABLE WINDS. 
.SUNDAY NIGHT...MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH WINDS
AROUND 10 MPH. 
.MONDAY...MOSTLY CLOUDY. HIGHS IN THE MID 70S. WEST WINDS AROUND
10 MPH. 
.MONDAY NIGHT...PARTLY CLOUDY. LOWS IN THE MID 50S. 
.TUESDAY...MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND 70.
CHANCE OF RAIN 50 PERCENT. 
.TUESDAY NIGHT...CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. 
.WEDNESDAY...MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE UPPER 60S. 
.WEDNESDAY NIGHT...CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. 
.THURSDAY...MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. CHANCE OF RAIN 50 PERCENT. 
.THURSDAY NIGHT...CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS. LOWS
IN THE LOWER 50S. 
.FRIDAY...PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SHOWERS. HIGHS IN
THE MID 60S. 
$$

Expires:201305181100;;326073
ASUS41 KBTV 181030
RWRBTV
VERMONT REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE BURLINGTON VT
600 AM EDT SAT MAY 18 2013
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO 
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE REPORTS ARE NOT UNDER NWS QUALITY CONTROL AND/OR DO NOT
  REPORT WEATHER SUCH AS PRECIPITATION AND FOG.

VTZ001>019-181100-
_____VERMONT_____
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BURLINGTON     SUNNY     42  39  89 CALM      30.27R                  
MONTPELIER     MOSUNNY   35  33  92 CALM      30.30R                  
MORRISVILLE    FAIR      36  36 100 CALM      30.30R FOG              
ST. JOHNSBURY*   N/A     40  38  93 MISG      30.26R                  
LYNDONVILLE*   FAIR      42  39  88 CALM      30.28R                  
RUTLAND*       SUNNY     37  34  87 SE9       30.29R                  
SPRINGFIELD    FOG       35  34  96 CALM      30.29R VSB 1/4          
HIGHGATE*      FAIR      42  39  88 SE3       30.27R                  
NEWPORT*       FAIR      41  38  91 S3        30.28R                  
BENNINGTON     MOSUNNY   38  35  89 CALM      30.27R                  
SUTTON*          N/A     41 N/A N/A MISG        N/A                   
ISLAND POND*     N/A     36 N/A N/A S1          N/A                   
GALLUP MILLS*    N/A     36 N/A N/A MISG        N/A                   
UNION VILLAGE*   N/A     36 N/A N/A MISG        N/A                   
MT. MANSFIELD*   N/A     41 N/A N/A W10         N/A                   
_____LAKE CHAMPLAIN_____
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BURTON ISLAND*   N/A     48  41  76 S6          N/A                   
COLCHESTER RF*   N/A     48  45  87 S9          N/A                   
DIAMOND ISL*     N/A     43  41  93 S1          N/A                   
$$

Expires:No;;326017
FXUS61 KBTV 181034
AFDBTV
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BURLINGTON VT
634 AM EDT SAT MAY 18 2013
.SYNOPSIS...
A LARGE AREA OF HIGH PRESSURE WILL CONTINUE TO BUILD DOWN FROM 
EASTERN CANADA AND PERSIST OVER NORTHERN NEW ENGLAND THROUGH MUCH OF 
THE WEEKEND. LOOK FOR MORE DRY WEATHER WITH JUST A SLIGHT CHANCE OF 
SHOWERS SUNDAY AFTERNOON. A GRADUAL WARMING TREND IS ALSO EXPECTED
FOR THE WEEKEND.
&&
.NEAR TERM /UNTIL 6 PM THIS EVENING/...
AS OF 634 AM EDT SATURDAY...A PRETTY NICE DAY IS ON TAP FOR THE
NORTH COUNTRY AS SURFACE HIGH PRESSURE OVER SOUTHERN ONTARIO/QUEBEC
SLOWLY SLIDES SOUTHEASTWARD ACROSS NEW ENGLAND. MID/UPPER LEVEL
FLOW REMAINS OUT OF THE NORTHWEST THOUGH AS AN UPPER TROUGH IS PARKED
OVER THE GULF OF MAINE. THIS WILL RESULT IN A GENERAL INCREASE IN
CLOUD COVER THROUGH THE DAY...THOUGH ONLY AS FAIR WEATHER CUMULUS
AND MAINLY OVER THE HIGHER TERRAIN. IN ADDITION...COULD SEE AN
ISOLATED SHOWER OR SPRINKLE ACROSS FAR NORTHEAST VERMONT AS
SHORTWAVE ENERGY GRAZES THE CWA BUT AREAL COVERAGE WILL LIKELY BE
LIMITED. MEAN 925MB TEMPS RISE TO AROUND +10C BY THIS AFTERNOON...
SUPPORTING HIGHS IN THE UPPER 60S TO MID 70S ACROSS THE REGION.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH MONDAY/...
AS OF 351 AM EDT SATURDAY...A FAIRLY QUIET NIGHT IS EXPECTED AS
THE AFOREMENTIONED AREA OF HIGH PRESSURE CONTINUES TO SLOWLY SLIDE
SOUTHEASTWARD OFF THE NEW ENGLAND COAST. UPPER TROUGH OVER THE
GULF OF MAINE ALSO SHIFTS EASTWARD A BIT ALLOWING MID LEVEL
HEIGHTS TO SLOWLY RISE ACROSS THE BTV CWA...AND THUS EXPECTING A
GENERALLY CLEAR TO PARTLY CLOUDY NIGHT WITH LOWS RUNNING AT OR
SLIGHTLY ABOVE NORMAL IN THE 40S TO LOCALLY NEAR 50 IN THE
CHAMPLAIN VALLEY. SOUTHERLY RETURN FLOW INCREASES GOING INTO
SUNDAY ALONG WITH AN INCREASE IN LOW/MID LEVEL MOISTURE. MID LEVEL
HEIGHTS CONTINUE TO SLOWLY RISE BUT FLOW ALOFT REMAINS OUT OF THE
NORTHWEST. THIS COMBINED WITH SOME WEAK SURFACE INSTABILITY IN THE
AFTERNOON COULD SPARK A FEW ISOLATED SHOWERS...THOUGH MAINLY
ACROSS THE HIGHER TERRAIN AND PROBABLY NOT REALLY AMOUNTING TO
MUCH. HIGHS CONTINUE TO RUN ABOVE NORMAL AS 925MB TEMPS RISE INTO
THE LOWER TEENS SUPPORTING HIGHS SIMILAR TO SATURDAY...MAYBE A
DEGREE OR TWO WARMER. ANY ISOLATED SHOWERS DISSIPATE SUNDAY NIGHT
WITH THE LOSS OF DAYTIME HEATING...AND EXPECT A FAIRLY MILD NIGHT
WITH PARTLY TO MOSTLY CLOUDY SKIES AND MODEST SOUTHERLY FLOW
KEEPING TEMPS FROM FALLING OUT OF THE 50S FOR MOST LOCATIONS.
CHAMPLAIN VALLEY MIGHT NOT EVEN BREAK 60. FOR MONDAY...UPPER
TROUGH OFF THE GULF OF MAINE FINALLY SHIFTS FAR ENOUGH EAST TO
ALLOW UPPER RIDGING TO BUILD INTO PORTIONS OF THE NORTHEAST. SIMILAR
TO SUNDAY...FLOW ALOFT REMAINS OUT OF THE NORTHWEST THOUGH...AND
WITH INCREASING MOIST SOUTHERLY FLOW AT THE SURFACE WE COULD AGAIN
SEE SOME ISOLATED SHOWERS ACROSS THE AREA. WARMING TREND ALSO
CONTINUES FOR MONDAY WITH HIGHS GOING A FEW MORE DEGREES HIGHER
THAN THE PREVIOUS DAYS INTO THE MID TO UPPER 70S TO LOCALLY NEAR
80 IN THE ST. LAWRENCE VALLEY.
&&
.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
AS OF 322 AM EDT SATURDAY...OVERALL A MORE ACTIVE PATTERN
ANTICIPATED FOR DAYS 4 THROUGH 7. RELATIVELY GOOD CONSISTENCY
BETWEEN 00Z ECMWF AND 00Z GFS THROUGH THE PERIOD. THAT SAID...SYNOPTIC
PATTERN INVOLVES A SLOW SWD MOVING FRONTAL ZONE TUE-WED FOLLOWED
BY THE APPROACH OF A CLOSED UPR LOW THU-FRI THAT SUGGESTS TIMING
ERRORS ARE POSSIBLE IN EXPECTED WX CONDITIONS.
FRONTAL BOUNDARY SAGGING SWD FROM SERN ONTARIO/SRN QUEBEC IN 
CONFLUENT ZONAL FLOW REGIME ALOFT HAS THE POTENTIAL TO BRING AN 
UNSETTLED PERIOD OF WEATHER WITH ABUNDANT SHOWERS AND POSSIBLE TSTMS 
TUESDAY INTO TUESDAY NIGHT. SOME QUESTION AS TO HOW FAR SOUTH THE 
FRONTAL ZONE SAGS ON WEDNESDAY; WITH BUILDING HEIGHTS ALOFT IT IS 
POSSIBLE THAT WEDNESDAY COULD BE DRIER (ESPECIALLY ACROSS THE NRN 
HALF OF THE CWA)...BUT GFS/ECMWF HAVE FRONTAL PLACEMENT AND TEMPORAL 
DIFFERENCES THAT ARE DIFFICULT TO RECONCILE AT THIS POINT. HAVE 
CONTINUED CHANCE POPS FOR SHOWERS BUT LEFT MENTION OF TSTMS OUT OF 
THE FCST FOR WEDNESDAY WITH LESS MOIST CONDITIONS NORTH OF THE 
FRONT. UPSTREAM CLOSED UPR LOW/VORT MAX EVENTUALLY SHIFTS EWD FROM 
THE GREAT LAKES WITH ESTABLISHMENT OF MOIST SWLY FLOW IN ADVANCE OF 
THIS FEATURE BRINGING POTENTIAL INSTABILITY AND ADDITIONAL CHANCES 
FOR SHOWERS AND TSTMS FOR THURSDAY AFTN. CHANCES FOR SHOWERS 
CONTINUE THURSDAY NIGHT INTO FRIDAY GIVEN ANTICIPATED SLOW-MOVING 
NATURE OF UPR LOW. TEMPERATURES THROUGH THE PERIOD ARE GENERALLY 
EXPECTED SEVERAL DEGREES ABOVE NORMAL...WITH ABUNDANT CLOUDS KEEPING 
OVERNIGHT LOWS ON THE MILD SIDE. GENERALLY LOOKING AT HIGHS IN THE 
LOW TO MID 70S AND LOWS IN THE 50S...POSSIBLY LOW 60S IN THE 
CHAMPLAIN VALLEY ON MONDAY NIGHT.
&&
.AVIATION /12Z SATURDAY THROUGH WEDNESDAY/...
THROUGH 12Z SUNDAY...SURFACE HIGH PRESSURE IN CONTROL ACROSS THE
NORTH COUNTRY WILL BRING JUST SCATTERED MID-LEVEL CLOUDS TO THE
REGION TODAY AND TONIGHT. OTHER THAN A CHANCE OF BRIEF RADIATIONAL
FOG AT KSLK FROM 07-11Z THIS MORNING...VFR CONDITIONS ARE EXPECTED
WITH GENERALLY LIGHT WIND CONDITIONS CONTROLLED BY LOCAL TOPOGRAPHIC
EFFECTS.
OUTLOOK 12Z SUNDAY THROUGH WEDNESDAY...HIGH PRESSURE SLIDES EWD INTO THE 
GULF OF MAINE ON SUNDAY WITH SOUTH WINDS 10-15 KTS DEVELOPING AT THE 
TAF SITES. THERE IS A SLIGHT CHANCE OF RAIN SHOWERS...MAINLY ACROSS 
THE HIGHER ELEVATIONS WITH BEST CHANCE OF BRIEF MVFR CONDITIONS AT 
SLK/MPV. OTHERWISE...SHOULD BE GENERALLY VFR SUNDAY INTO SUNDAY 
NIGHT. A FRONTAL BOUNDARY SAGGING SWD FROM ONTARIO/QUEBEC EVENTUALLY 
BRINGS THE THREAT FOR SHOWERS AND POSSIBLE TSTMS. SOME TIMING 
UNCERTAINTIES AT THIS POINT...BUT BEST CHANCES FOR RAINFALL APPEAR 
TO BE TUESDAY/WEDNESDAY. ANTICIPATE PERIODS OF MVFR AND PERHAPS 
BRIEF IFR CONDITIONS.
&&
.BTV WATCHES/WARNINGS/ADVISORIES...
VT...NONE.
NY...NONE.
&&
$$
SYNOPSIS...LAHIFF
NEAR TERM...LAHIFF
SHORT TERM...LAHIFF
LONG TERM...BANACOS
AVIATION...BANACOS

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