Expires:202004282000;;327093
FPUS51 KBTV 281039
ZFPBTV
Zone Forecast Product for Vermont
National Weather Service Burlington VT
636 AM EDT Tue Apr 28 2020
VTZ006-282000-
Lamoille-
Including the cities of Johnson and Stowe
636 AM EDT Tue Apr 28 2020
.TODAY...Cloudy this morning, then becoming partly sunny. Highs
in the lower 50s. North winds around 10 mph.
.TONIGHT...Partly cloudy until midnight, then clearing. Lows in
the lower 30s. Light and variable winds.
.WEDNESDAY...Sunny in the morning, then partly sunny with a
slight chance of rain showers in the afternoon. Highs in the
upper 50s. Southeast winds 15 to 20 mph. Chance of rain
20 percent.
.WEDNESDAY NIGHT...Cloudy with a 30 percent chance of rain
showers. Breezy with lows in the upper 30s. Southeast winds 15 to
25 mph with gusts up to 35 mph.
.THURSDAY...Cloudy with a 40 percent chance of rain showers.
Windy with highs in the lower 50s. Southeast winds 20 to 30 mph
with gusts up to 45 mph.
.THURSDAY NIGHT...Rain likely. Windy with lows in the upper 40s.
Chance of rain 70 percent.
.FRIDAY...Rain, breezy with highs in the upper 50s. Chance of
rain 90 percent.
.FRIDAY NIGHT...Showers likely. Lows in the lower 40s. Chance of
rain 60 percent.
.SATURDAY...Mostly cloudy with a 50 percent chance of showers.
Highs in the upper 50s.
.SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of
showers. Lows in the lower 40s.
.SUNDAY...Mostly cloudy with a 50 percent chance of showers.
Highs in the lower 60s.
.SUNDAY NIGHT...Partly cloudy with a 50 percent chance of rain
showers. Lows in the lower 40s.
.MONDAY...Partly sunny with a 40 percent chance of rain showers.
Highs in the mid 50s.
$$
Expires:202004281100;;326959
ASUS41 KBTV 281030
RWRBTV
VERMONT REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE BURLINGTON VT
600 AM EDT TUE APR 28 2020
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE REPORTS ARE NOT UNDER NWS QUALITY CONTROL AND/OR DO NOT
REPORT WEATHER SUCH AS PRECIPITATION AND FOG.
VTZ001>019-281100-
_____VERMONT_____
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BURLINGTON MOCLDY 40 28 62 N5 30.09S
MONTPELIER FAIR 34 28 79 N3 30.08R
MORRISVILLE FAIR 31 30 96 CALM 30.08R
ST. JOHNSBURY* N/A 35 33 92 MISG 30.03S
LYNDONVILLE* CLOUDY 37 24 58 NW6 30.06R
MIDDLEBURY* CLOUDY 34 34 99 CALM 30.09R
RUTLAND* CLOUDY 36 36 100 CALM 30.07S
SPRINGFIELD CLOUDY 34 33 96 CALM 30.06R FOG
HIGHGATE* FAIR 40 26 56 N8 30.11R
NEWPORT* CLOUDY 37 25 62 N9 30.07R WCI 30
BENNINGTON CLOUDY 36 33 89 W6 30.07R WCI 31
ISLAND POND* N/A 34 N/A N/A NW2 N/A
GALLUP MILLS* N/A 32 N/A N/A MISG N/A
LAKE EDEN* N/A 30 N/A N/A NE1 N/A
MT. MANSFIELD* N/A 27 N/A N/A N15 N/A WCI 15
_____LAKE CHAMPLAIN_____
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BURTON ISLAND* N/A 39 30 70 NW7 N/A
COLCHESTER RF* N/A 41 30 65 N18 N/A
DIAMOND ISL* N/A 43 27 52 NW12 N/A
$$
Expires:No;;318752
FXUS61 KBTV 280717
AFDBTV
Area Forecast Discussion
National Weather Service Burlington VT
317 AM EDT Tue Apr 28 2020
.SYNOPSIS...
Drier conditions are expected today as high pressure briefly builds
over the region. Temperatures will warm back into the 50s for most
locations. The next chance of showery weather returns Wednesday,
along with breezy conditions, but widespread rainfall doesn't move
in until Thursday night into Friday. The unsettled pattern looks to
continue into next weekend with temperatures running at or below
normal for the time period.
&&
.NEAR TERM /THROUGH WEDNESDAY/...
As of 316 AM EDT Tuesday...High pressure will slowly build over the
region today while low pressure scoots away south of Nova Scotia.
Drier air is already working into western portions of our forecast
area early this morning, and this trend will continue through the
day. Hence expect to see decreasing clouds, with just about everyone
finally getting into the sunshine by late afternoon. Temperatures
will remain below normal today, topping out in the lower to mid 50s
for most, though some of the sheltered valleys will likley struggle
to get out of the 40s. The fair weather continues tonight tonight
into Wednesday morning with lows to be in the upper 20s to mid 30s.
Clouds and precipitation chances will increase Wednesday afternoon
as a we get squeezed in south flow between the amplifying ridge to
our east and a deepening trough to our west. South to southeast
winds increase as the pressure gradient tightens, lifting a warm
front across the area late in the day. Scattered showers will be
possible during this time, particularly across northern New York,
closer to the parent low. It'll become breezy through the afternoon
as well as warming allows winds aloft to mix down. Temperatures will
warm nicely, reaching into the upper 50s to lower 60s.
&&
.SHORT TERM /WEDNESDAY NIGHT THROUGH THURSDAY NIGHT/...
As of 316 AM EDT Tuesday...The warm front lifting through the region
Wednesday evening will fall apart as we head into the overnight
hours with the parent low over the Great Lakes region weakening and
subsidence in the mid- levels acting to impede rainfall from
overspreading the region. At the same time, the pressure gradient
will begin to tighten Wednesday night as the surface low over the
Great Lakes meanders eastward while high pressure hangs on over Nova
Scotia. All signs point to this pressure gradient initially being
north-south oriented which would promote the funneling of winds
across the Champlain Valley. In addition, we could see some gusty
winds along the northern slopes of the Adirondack Mountains as we
move through the day on Thursday. As of now, we expect winds gusts
to top out in the 25 to 40 mph range but that could be on the low
side depending on the amount of mixing that is expected to occur
during the day on Thursday. The presence of downslope winds on the
north side of the Adirondacks could also be a wild card.
Models continue to trend slower with the precipitation onset time on
Thursday with all deterministic guidance now delaying the onset
until late Thursday afternoon across northern New York and Thursday
night across Vermont. This is in response to an increasing low level
jet between 50 and 70 knots depending on your model preference. The
biggest change is that the winds have backed about 30 degrees to the
east which now favors an initial burst of strong southeasterly winds
which will likely promote downslope conditions across the Champlain
and St. Lawrence Valleys. The trickiest part of the forecast is
determining how the precipitation regime will evolve across the
North Country as the main moisture axis begins to get shunted south
and east of the region. All guidance continues to suggest the low
pressure system will move into western New York Thursday evening
which will keep us in a favorable location for dynamically driven
precipitation. The question then becomes how much moisture will we
have to work with as the moisture feed from the Gulf of Mexico moves
over southern New England.
&&
.LONG TERM /FRIDAY THROUGH MONDAY/...
As of 316 AM EDT Tuesday...By Friday morning, a band of moderate to
heavy rainfall will move through the North Country ahead of a
relatively weak cold front. We will see a nice period of enhanced
precipitation rates given nice upper level diffluence but lapse
rates will be pretty poor as the warm front advected northward with
the warm front on Wednesday will put a damper on things. Once the
line of rainfall moves east into New Hampshire, the upper level low
will begin to move overhead and we will switch over to a showery
regime as we begin to see better lapse rates but diminishing
moisture. The upper level low and trough will move through fairly
quickly with precipitation beginning to taper off by Saturday
morning with weak high pressure building into the region by Saturday
afternoon. Rainfall amounts from Thursday night through Friday will
generally range from half of an inch to an inch with some higher
amounts possible across the northern Adirondacks. Given these
rainfall amounts over a 24 hour period of time, flooding doesn't
look likely. However, we do have a decent snow pack at higher
elevations which will be melting nicely through the forecast period
as 850 mb temps range from +5 to +7 degrees C. We will monitor the
rainfall and snow melt closely and will have a better idea of
flooding potential by Wednesday.
The weekend trends quieter once we get through Saturday morning but
there could still be some stray showers moving through the region.
The upper level flow will become zonal following the departure of
the aforementioned trough with several weak disturbances embedded
within the flow which could bring a few showers to the region
Saturday afternoon and again on Sunday. Early next week also looks
unsettled given the fast zonal flow but the good news is that Monday
nor Tuesday look to be washouts but showers are well within the
realm of possibility.
&&
.AVIATION /07Z TUESDAY THROUGH SATURDAY/...
Through 06Z Wednesday...Conditions will slowly improve
throughout the night and all locations will experience VFR
conditions by 14z. Skies will become clear to mostly clear
thereafter. Satellite imagery shows an extensive area of clouds
over the area, generally in the 5000 to 8000 foot range. The
exception is KSLK, where local LIFR ceilings/visibility has
developed in fog. This will likely persist through daybreak.
Otherwise, there will still be some patchy light rain/snow
through about 09z, but visibilities will remain in the VFR
category. Light and variable to calm winds prevail through 12z,
then increasing to 5-10 kt out of the north. Outlook...
Wednesday: VFR. Chance SHRA.
Wednesday Night: VFR. Chance SHRA.
Thursday: Mainly VFR, with areas MVFR possible. Definite SHRA.
Thursday Night: Mainly MVFR, with local IFR possible. Definite
SHRA.
Friday: Mainly MVFR, with local IFR possible. Definite SHRA.
Friday Night: Mainly MVFR, with areas IFR possible. Chance SHRA.
Saturday: Mainly MVFR, with areas VFR possible. Chance SHRA.
&&
.BTV WATCHES/WARNINGS/ADVISORIES...
VT...None.
NY...None.
&&
$$
SYNOPSIS...Hastings
NEAR TERM...Hastings
SHORT TERM...Clay
LONG TERM...Clay
AVIATION...Hastings
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