Expires:202101282100;;620733
FPUS51 KBTV 281049
ZFPBTV
Zone Forecast Product for Vermont
National Weather Service Burlington VT
546 AM EST Thu Jan 28 2021
VTZ018-282100-
Eastern Addison-
Including the cities of Bristol and Ripton
546 AM EST Thu Jan 28 2021
...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM
EST FRIDAY...
.TODAY...Mostly cloudy with a 20 percent chance of snow showers.
Highs around 19. Temperature falling to around 10 above this
afternoon. Northwest winds 15 to 20 mph.
.TONIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Snow accumulation around an inch possible. Brisk and
much colder with lows around 4 below. Northwest winds 15 to
25 mph with gusts up to 35 mph. Wind chill values as low as
31 below.
.FRIDAY...Mostly cloudy. A chance of snow showers, mainly in the
morning. Additional snow accumulation up to 1 inch possible.
Brisk with highs around 4 above. Northwest winds 15 to 25 mph
with gusts up to 35 mph. Chance of snow 30 percent. Wind chill
values as low as 32 below.
.FRIDAY NIGHT...Mostly cloudy. Cold with lows around 4 below.
Northwest winds 15 to 20 mph with gusts up to 35 mph. Wind chill
values as low as 24 below.
.SATURDAY...Partly sunny. Highs around 7 above. Northwest winds
10 to 15 mph with gusts up to 25 mph. Wind chill values as low as
24 below.
.SATURDAY NIGHT...Clear, cold with lows around 10 below.
.SUNDAY...Mostly sunny. Highs 15 to 20.
.SUNDAY NIGHT...Partly cloudy. Lows around 5 above.
.MONDAY...Partly sunny. Highs in the lower 20s.
.MONDAY NIGHT...Cloudy with a 40 percent chance of snow. Lows
10 to 15.
.TUESDAY...Cloudy with a 50 percent chance of snow. Highs in the
lower 20s.
.TUESDAY NIGHT...Cloudy with a 50 percent chance of snow. Breezy
with lows 15 to 20.
.WEDNESDAY...Mostly cloudy. Highs in the lower 20s.
$$
Expires:202101281200;;622860
ASUS41 KBTV 281131
RWRBTV
VERMONT REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE BURLINGTON VT
600 AM EST THU JAN 28 2021
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE REPORTS ARE NOT UNDER NWS QUALITY CONTROL AND/OR DO NOT
REPORT WEATHER SUCH AS PRECIPITATION AND FOG.
VTZ001>019-281200-
_____VERMONT_____
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BURLINGTON FLURRIES 23 16 74 N7 30.10S WCI 15
MONTPELIER CLOUDY 20 15 81 NW7 30.05S WCI 11
MORRISVILLE CLOUDY 21 13 71 N5 30.06S WCI 15
ST. JOHNSBURY* N/A 23 17 78 MISG 30.01F
LYNDONVILLE* LGT SNOW 21 17 84 W6 30.02R WCI 13
MIDDLEBURY* CLOUDY 22 14 71 N9 30.07S WCI 12
RUTLAND* FLURRIES 23 22 96 NW5 30.03S WCI 17
SPRINGFIELD CLOUDY 26 20 77 CALM 30.01F
HIGHGATE* FLURRIES 21 15 79 NW6 30.12R WCI 13
NEWPORT* LGT SNOW 21 15 80 CALM 30.04R
BENNINGTON CLOUDY 23 16 74 W8 30.02S WCI 14
LAKE EDEN* N/A 19 N/A N/A SW6 N/A WCI 11
MT. MANSFIELD* N/A 10 N/A N/A CALM N/A
_____LAKE CHAMPLAIN_____
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
Expires:No;;623058
FXUS61 KBTV 281137
AFDBTV
Area Forecast Discussion
National Weather Service Burlington VT
637 AM EST Thu Jan 28 2021
.SYNOPSIS...
A polar low dropping south from James Bay will bring a shot of
arctic air to the region late tonight and into the weekend.
Very cold temperatures combined with breezy winds will result in
very cold wind chills overnight through Friday morning. For such
reasons, Wind Chill Advisories are in effect for the northern
Adirondacks and all of eastern Vermont from late tonight until
11 AM Friday morning. High temperatures on Friday and Saturday will
only be in the single digits above zero with overnight lows
near zero to 15 below in some locations. Warmer weather returns
Sunday into next week with increasing chances for snow coming
towards the middle of next week.
&&
.NEAR TERM /THROUGH FRIDAY/...
As of 624 AM EST Thursday...Overall, the going forecast remains
in good shape. Only slight changes were made to increase the
chance of snow within the northern Champlain Valley and portions
of the Adirondacks. Otherwise,the forecast continues on track.
See previous discussion below:
Light snow continues across portions of North Country this
morning under sufficiently moist, blocked northwest flow. Snow
will continue in a similar fashion throughout the day, favored
most along the northwest slopes of the Adirondacks, northern
Green Mountains, and the high terrain of the Northeast Kingdom.
Overall, accumulations of 1 to 2 inches are expected throughout
the day, with up to 3 inches along mountain summits.
Temperatures today will be noticeably cooler, especially across
northern New York as arctic air is advected in from the
northwest. Highs will be in the low teens across northern New
York, while in the upper teens to low 20s across Vermont.
An upper low of polar origins will descend into the North Country
from Ontario, Canada later today and is responsible for the much
colder temperatures that will affect the area for the remainder of
the week. Overnight lows tonight will drop into the single digits
below zero across much of Vermont, while as low as -10F across
portions of northern New York. Meanwhile, low temperatures in the
Champlain Valley will be near zero. The one saving grace in regards
to overnight low temperatures will be the lingering cloud cover,
especially across northern New York and northern Vermont.
Additionally, a tightening pressure gradient will cause an increase
in NNW winds beginning late this evening and continuing through
Friday. Winds will be sustained at 10 to 15 mph with gusts up to 25
mph possible. This will result in very cold wind chills overnight of
-15 to -30. For such reasons, Wind Chill Advisories are in effect
for the Adirondacks, the western slopes of the Green Mountains, and
all of eastern Vermont beginning late tonight through 11 AM Friday
morning.
Meanwhile, there exists a reinvigorated chance of light snow showers
across portions of the Adirondacks, northern Greens, and the
Northeast Kingdom on Friday as mid-level moisture is advected around
the backside of the upper low. Paired with upslope northwesterly
flow and steepening lapse rates, we could see an additional 1 to 3
inches of snow across these areas throughout the day. Chances for
snow will diminish by Friday evening as high pressure begins to
build in from the west. Winds will abate during this time as well.
&&
.SHORT TERM /FRIDAY NIGHT THROUGH SATURDAY NIGHT/...
As of 322 AM EST Thursday...Any lingering snow showers across
the northern high terrain come to an end Friday night as high
pressure continues to build into the region under gradually
abating northwest flow. Still some pesky clouds through the
overnight hours in favored northern mountain/valley locales as
lows drop into the -10F to 0F range with some slight
variability. We could approach wind chill advisory criteria once
again in the northern mountains, but wind chill values will be
bit more marginal than on Thursday night.
Then trending partly cloudy to mostly clear in all areas by Saturday
into Saturday night as aforementioned surface high continues to edge
east from the upper Great Lakes/southern Ontario. Northwesterly
winds will continue to slowly abate, trending light by evening. High
temperatures to average about 3 degrees warmer than Friday's values,
which is not saying much - generally 7 to 14 above. Coldest night of
the 7-day forecast then likely occurs Saturday night with all areas
solidly below zero - mainly from 5 below to 15 below, slightly
milder near Lake Champlain.
&&
.LONG TERM /SUNDAY THROUGH WEDNESDAY/...
As of 322 AM EST Thursday...Quiet weather continues for Sunday
into Monday afternoon as high pressure remains bridged across
southern QE/eastern ON. Low pressure tracking east from the Ohio
Valley states will likely spread thickening mid to high level
cloud cover into southern counties by afternoon, but mainly dry
weather is expected. Temperatures begin a welcomed moderating
trend during this period, topping out in the teens to lower 20s
on Sunday, and solidly in the 20s by Monday.
Thereafter, we continue to monitor a coastal storm that will develop
along the Mid Atlantic seaboard on Monday and track northeastward
toward the Gulf of Maine/Nova Scotia Monday night into Tuesday.
Consensus from the 00Z model operational and ensemble output
suggests that there is an increasing chance that this system will
affect at least a portion of the area Monday night into Tuesday with
an accumulating snowfall. Highest probabilities continue to exist
across the southeastern half of the forecast area, and as such have
maintained solid 40/50% PoPs generally along and south of a
Ticonderoga to St. Johnsbury line for now. The expected Miller Type-
B evolution looks to be a somewhat challenging one from a forecast
perspective, with complex interactions within the upper flow pattern
leading to a somewhat broader overall cyclonic gyre and a weaker
surface low. Given these trends future forecasts will likely change
for better or worse (depending on your fondness of snow) over the
next few days as we enter the time frames of the higher-res output.
By Tuesday night system pulls east with precipitation chances waning
over time, setting the stage for a return of drier, seasonal weather
for the back half of the work week.
&&
.AVIATION /12Z THURSDAY THROUGH MONDAY/...
Through 12Z Friday...Mostly MVFR cigs across the forecast area
with occasional bouts of VFR. Clouds will linger through the TAF
period, though slight improvement to VFR cigs is expected after
15z as winds begin to pick up and aid in lifting out the clouds.
Light snow continues at a few locaions, namely KSLK, KBTV, and
KRUT tho vis has remained VFR. NNW winds will increase after 15z
becoming sustained at 10-15 knots with gusts up to 25 knots.
Outlook...
Friday: VFR. Slight chance SHSN.
Friday Night: VFR. NO SIG WX.
Saturday: VFR. NO SIG WX.
Saturday Night: VFR. NO SIG WX.
Sunday: VFR. NO SIG WX.
Sunday Night: VFR. NO SIG WX.
Monday: VFR. NO SIG WX.
&&
.BTV WATCHES/WARNINGS/ADVISORIES...
VT...Wind Chill Advisory from midnight tonight to 11 AM EST Friday
for VTZ003-004-006>008-010-012-016>019.
NY...Wind Chill Advisory from 7 PM this evening to 11 AM EST Friday
for NYZ029>031-034.
&&
$$
SYNOPSIS...Hammond/Lahiff
NEAR TERM...Hammond
SHORT TERM...JMG
LONG TERM...JMG
AVIATION...Hammond
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