Winter Storm Warning 4, NWS Burlington, VT

860 
WWUS41 KBTV 091753
WSWBTV

URGENT - WINTER WEATHER MESSAGE
National Weather Service Burlington VT
153 PM EDT Thu Apr 9 2020

VTZ004-100900-
/O.CON.KBTV.WS.W.0004.200409T2100Z-200411T0000Z/
Essex-
Including the city of Island Pond
153 PM EDT Thu Apr 9 2020

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 8 PM EDT FRIDAY...

* WHAT...Heavy wet snow expected. Total snow accumulations of 6 
  to 10 inches at elevations above 1000 feet and 2 to 6 inches 
  of snow expected below 1000 feet.

* WHERE...Essex County.

* WHEN...Rain will mix with, and change to, wet snow late this 
  afternoon into this evening. Periods of heavy wet snow will 
  continue tonight and Friday, with the heaviest accumulations 
  at elevations above 1000 feet.

* IMPACTS...Travel will be difficult. Scattered power outages 
  are possible due to the weight of heavy wet snow on trees and 
  powerlines.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

Please allow extra time if travel is necessary.

&&

$$

NYZ029>031-100900-
/O.CON.KBTV.WW.Y.0011.200409T2100Z-200410T1800Z/
Southeastern St. Lawrence-Southern Franklin-Western Clinton-
Including the cities of Star Lake, Saranac Lake, Tupper Lake, 
and Dannemora
153 PM EDT Thu Apr 9 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 2 PM EDT FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 6 
  inches. Winds gusting as high as 35 mph.

* WHERE...Southeastern St. Lawrence, Southern Franklin and 
  Western Clinton Counties.

* WHEN...Rain will mix with, and change to, wet snow late this 
  afternoon into this evening. Periods of snow will continue 
  tonight before snow diminishes midday Friday, with the 
  heaviest accumulations at elevations above 1000 feet. Gusty 
  west winds up to 35 mph will develop late this afternoon and 
  persist through tonight.

* IMPACTS...Travel could be very difficult. Scattered power 
  outages are possible due to the weight of wet snow on trees 
  and powerlines.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

Please allow extra time if travel is necessary.

&&

$$

VTZ003-006-007-016-100900-
/O.CON.KBTV.WW.Y.0011.200409T2100Z-200411T0000Z/
Orleans-Lamoille-Caledonia-Eastern Franklin-
Including the cities of Newport, Johnson, Stowe, St. Johnsbury, 
Enosburg Falls, and Richford
153 PM EDT Thu Apr 9 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 8 PM EDT FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 6 
  inches.

* WHERE...Elevations above 1000 feet in Orleans, Lamoille, 
  Caledonia and Eastern Franklin Counties.

* WHEN...Rain will mix with, and change to, wet snow late this 
  afternoon into this evening. Periods of snow will continue 
  tonight and Friday, with the heaviest accumulations at 
  elevations above 1000 feet.

* IMPACTS...Travel could be difficult. Scattered power outages 
  are possible due to the weight of wet snow on trees and 
  powerlines.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

Please allow extra time if travel is necessary.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/btv/winter

119 
WWUS41 KBTV 100731
WSWBTV

URGENT - WINTER WEATHER MESSAGE
National Weather Service Burlington VT
331 AM EDT Fri Apr 10 2020

VTZ004-101800-
/O.CON.KBTV.WS.W.0004.000000T0000Z-200411T0000Z/
Essex-
Including the city of Island Pond
331 AM EDT Fri Apr 10 2020

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches for
  a storm total of 6 to 10 inches.

* WHERE...Essex County.

* WHEN...Snow showers will continue through mid to late morning
  before mixing with and changing over to rain this afternoon
  below 1000 ft. Above 1000 feet, snow showers will linger into 
  the evening hours before tapering off.

* IMPACTS...Travel could be difficult. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

Please allow extra time if travel is necessary.

&&

$$

NYZ029>031-101800-
/O.CON.KBTV.WW.Y.0011.000000T0000Z-200410T1800Z/
Southeastern St. Lawrence-Southern Franklin-Western Clinton-
Including the cities of Star Lake, Saranac Lake, Tupper Lake, 
and Dannemora
331 AM EDT Fri Apr 10 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches for
  a storm total of 3 to 5 inches.

* WHERE...Southeastern St. Lawrence, Southern Franklin and 
  Western Clinton Counties.

* WHEN...Snow showers will continue into the early afternoon hours
  before mixing with and changing over to rain as temperatures
  warm into the upper 30s to lower 40s.

* IMPACTS...Travel could be difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

Please allow extra time if travel is necessary.

&&

$$

VTZ003-006-007-016-101800-
/O.CON.KBTV.WW.Y.0011.000000T0000Z-200411T0000Z/
Orleans-Lamoille-Caledonia-Eastern Franklin-
Including the cities of Newport, Johnson, Stowe, St. Johnsbury, 
Enosburg Falls, and Richford
331 AM EDT Fri Apr 10 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches for
  a storm total of 3 to 5 inches.

* WHERE...Elevations above 1000 feet in Orleans, Lamoille, 
  Caledonia and Eastern Franklin Counties.

* WHEN...Snow showers will continue into the early evening hours
  before tapering off.

* IMPACTS...Travel could be difficult. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

Please allow extra time if travel is necessary.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/btv/winter

889 
WWUS41 KBTV 101711
WSWBTV

URGENT - WINTER WEATHER MESSAGE
National Weather Service Burlington VT
111 PM EDT Fri Apr 10 2020

VTZ004-101815-
/O.CAN.KBTV.WS.W.0004.000000T0000Z-200411T0000Z/
Essex-
Including the city of Island Pond
111 PM EDT Fri Apr 10 2020

...WINTER STORM WARNING IS CANCELLED...

The Winter Storm Warning for Essex County Vermont has been
cancelled. The threat for heavy, wet snow has come to an end over
the area. However, snow showers will continue this afternoon and
evening, but additional snowfall accumulations will range from a
half inch to two inches.

$$

NYZ029>031-101815-
/O.CAN.KBTV.WW.Y.0011.000000T0000Z-200410T1800Z/
Southeastern St. Lawrence-Southern Franklin-Western Clinton-
Including the cities of Star Lake, Saranac Lake, Tupper Lake, 
and Dannemora
111 PM EDT Fri Apr 10 2020

...WINTER WEATHER ADVISORY IS CANCELLED...

The Winter Weather Advisory for the northern Adirondacks of New
York has been cancelled. The threat for heavier, wet snow has
ended, but additional snow showers will continue this afternoon
and evening. A half inch to two inches of new snow is possible before
the snow showers decrease in areal coverage during the early 
morning hours on Saturday.

$$

VTZ003-006-007-016-101815-
/O.CAN.KBTV.WW.Y.0011.000000T0000Z-200411T0000Z/
Orleans-Lamoille-Caledonia-Eastern Franklin-
Including the cities of Newport, Johnson, Stowe, St. Johnsbury, 
Enosburg Falls, and Richford
111 PM EDT Fri Apr 10 2020

...WINTER WEATHER ADVISORY IS CANCELLED...

The Winter Weather Advisory for portions of north central and northeast
Vermont has been cancelled. The threat for heavier, wet snow has 
ended, but additional snow showers will continue this afternoon 
and evening. A half inch to two inches of new snow is possible 
before the snow showers decrease in areal coverage during the 
early morning hours on Saturday.

$$

For more information from the National Weather Service visit
http://weather.gov/btv/winter

Area Forecast Discussion
National Weather Service Burlington VT
118 AM EDT Thu Apr 9 2020

.SYNOPSIS...
After a relatively quiet night tonight, strong low pressure will
arrive from the Great Lakes on Thursday. An associated cold
front will bring widespread cold rain during the morning and
midday hours, and the possibility of gusty showers across south-
central Vermont. As temperatures cool behind the front, and as
low pressure strengthens across Maine, precipitation will
gradually change to heavy wet snow late Thursday afternoon into
Thursday night, and continue into Friday. The heaviest snowfall
is expected across the higher elevations of far north-central
into northeastern Vermont, where 6 inches or more of wet snowfall
is possible. Areas of slippery travel is possible across the
higher elevations, along with isolated to scattered power
outages, especially across northeastern Vermont. Any lingering
rain and snow showers will taper off by Saturday, with
temperatures gradually moderating into early next week.

&&

.NEAR TERM /THROUGH TONIGHT/...
As of 1259 AM EDT Thursday...Continued to trend overnight cloud
cover up with mid-level cloud deck in place over the northern
two thirds of the forecast area. Onset of warm air advection
overnight, especially over northern NY and southern/central VT,
will keep temperatures relatively mild for the remainder of the
night. Most areas will only drop a few more degrees before
hitting overnight lows early and beginning to warm towards
sunrise. The exception will be northeastern VT, where onset of
warm air advection will be delayed and lows will dip in the low
to mid 30s. Previous discussion follows.

Prior discussion...
Relatively quiet weather conditions expected tonight. Variable
mid-level clouds remain in place with a weak sfc ridge extending
from srn Quebec into the ern Great Lakes yielding minimal
advection. Fast-moving shortwave trough over the upper Midwest
will race across the Great Lakes overnight, but won't have any
significant impact on our weather until the daylight hrs
Thursday. That said, should see sfc winds begin to respond light
S-SE after midnight at 5-10 mph west of the Green Mtns and
across nrn NY as p-gradient begins to intensify. Between the
developing S-SE winds and mid-level clouds, don't anticipate
temperatures getting as chilly tonight...mainly looking at lows
32-38F, warmest in the Champlain Valley. Have shown some minimal
PoPs of 20-30 percent across St. Lawrence and Franklin NY
counties after 10Z with possible leading area of rain showers
approaching from sern Ontario. That said, bulk of precipitation
begins after 12Z Thursday.

&&

.SHORT TERM /FRIDAY THROUGH FRIDAY NIGHT/...
As of 400 PM EDT Wednesday...Winter Storm Watches have been
posted from 4PM Thursday thru 8PM Friday for far north-central
into nern VT for potential heavy wet snow, possibly exceeding 6"
in the 1000-2000ft elevation band. Slippery travel across
higher terrain roads and isold/sct power outages are the primary
threats with this late season winter storm.

Approaching northern stream shortwave trough over the Dakotas
and northern Minnesota for Thursday is quite impressive in
GOES-16 IR imagery, and is associated with a digging 300mb jet
of 110-120kt. As 500-300mb vort max digs across the srn Great
Lakes and Ohio Valley, am impressed with progged rapid deepening
of primary sfc low across wrn/central NY Thursday AM, with
potential for central pressure in 984-990mb range over the
northern Adirondacks at 15Z, and eventually a deep 970mb surface
low over Downeast Maine Thursday evening as secondary system
develops over coastal New England. First concern is potential
sub-synoptic low along the sfc pressure trough, embedded in
strong pressure rise/fall couplet near srn VT. Appears that
there will be a line of moderate to heavy rainfall, which may be
associated with gusty winds up to 40mph across Rutland/Windsor
counties. Not much instability shown in NWP, which is a limiting
factor, but given dynamics, it won't take much to result in
strong wind gusts. We will need to monitor this thru the midday
hours Thursday. Elsewhere, looking at widespread period of
moderate rainfall of 0.3-0.5" as primary low and associated cold
front/pressure trough move thru from west to east. May see
temperatures briefly reach 45-50F (warmest near Rutland Co.),
but then fall with westerly wind shift Thursday afternoon.
Westerly winds of 15-25 mph with a few gusts 30-35 mph will be
possible areawide Thursday afternoon.

Later Thursday afternoon, the combination of sfc-850mb cold
advection and strong dynamic cooling as secondary low deepens
near the Maine coast will bring vertical temperature profiles
increasingly favorable for rain changing to wet snow with
falling snow levels. Also appears that western edge of trowal
airstream and high theta-e at 700mb may extend back into the
Northeast Kingdom, and that is where the potential exists for a
period of heavy snowfall, especially above 1000ft, late Thursday
afternoon into Thursday night. Broader wrap-around moisture as
system closes off will affect the region through Friday, with
continued NW flow and orographic snow showers into the
Adirondacks and especially into the northern Green Mountains.

In terms of snowfall amts with this dynamic system, snow levels
will be key, as is often the case with an April event. If
current timing and system evolution holds, appears 6-10" are
possible in the 1-2kft elevational band across the Northeast
Kingdom, and even slightly higher amounts for the summits of Jay
Peak and Mt. Mansfield with the persistent upslope flow thru
Friday. At lower elevations, generally 2-6" from the western
slopes of the Green Mtns ewd across the lower elevations of
Washington/Caledonia counties, including near St. Johnsbury. The
Adirondacks should see generally 3-6", but locally higher across
the summits. In the Champlain Valley, temperatures should remain
above freezing throughout the event, so generally looking at a
slushy accumulation up to an inch or so on grassy surfaces.
Please see weather.gov/btv/winter for full suite of graphics.

Primary storm impacts will be possible downed power lines/tree
limbs causing isold/sct power outages across n-central into nern
VT. Should see snow-to-liquid ratios starting 8:1 to 10:1 for
Thursday evening into Thursday night before increasing, so the
weight of the snow will be of concern. Also, will see some snow
covered roads, especially nighttime hours Thursday night, and
across the higher elevations. For those driving, large variations
in road conditions can be anticipated especially in hilly
terrain.

Lows Thursday night generally 31-33F, followed by highs 34-40F
on Friday with cloudy and raw conditions areawide. Will see
periods of rain/snow showers at low elevations Friday, but
continued snow showers into the mtns.

&&

.LONG TERM /SATURDAY THROUGH WEDNESDAY/...
As of 400 PM EDT Wednesday...Lingering clouds and flurries
possible across northeastern VT and northern NY Saturday
morning. Seasonably chilly conditions are expected with highs in
the low to mid 40s under brisk NW winds, 10- 15 mph. High
pressure will build in Saturday night with mostly clear skies
outside the high terrain. Warming conditions are expected Sunday
with highs creeping above seasonable normals in the low to mid
50s valleys and upper 40s mountains.

Another vigorous shortwave is expected to cross the North Country
Sunday night into Monday. This southern stream shortwave energy
(currently the large cut off low bringing heavy precipitation across
California and the Desert Southwest) will bring widespread rainfall
to the region with an ample moisture supply given its Pacific and
Atlantic connections. Global models differ slightly in the placement
on the heaviest axis of precipitation with GFS the drier (0.25"
north to 0.75"+) compared to EMCWF & CMC (widespread 0.50-1"). Over
the next couple of days we'll dial this one in as hi-res guidance
becomes available. Given warmer origins of this system,
precipitation type appears all rain, even for the summits. Some
small rises on area rivers may be possible, but no widespread
flooding is expected at this time. In addition, anticipate gusty
south/southeast winds, as 40-50 kt 925mb jet sets up just downwind
of Lake Ontario. Gusts up to 35 mph may be possible for the western
slopes of the Adirondacks. Low level jet looks less impressive
across the Green Mountains, with generally between 30-40 kt at 925
mb, supporting gusts around 25-30 mph. Again, as hi-res guidance
begins to trickle in these details will become more clear. The
remainder of the week continues to look cool and unsettled as upper
level trough slowly moves through overhead.

&&

.AVIATION /05Z THURSDAY THROUGH MONDAY/...
Through 06Z Friday...VFR conditions and light winds will prevail
through 12Z-14Z. Precipitation will begin working into northern
New York shortly after 12Z with precipitation working into
Vermont around 15Z. We should be warm enough that all terminals
will see snow through the morning and afternoon hours but we
will see some rain transition to snow at KPMV and KSLK around
00Z. Ceilings and visibilities today will trend from VFR down to
MVFR with ceilings of 1500 ft to 2500 ft common. Once some
terminals switch over to snow, we will see visibilities and
ceilings begin approaching IFR with ceilings around 800 ft and
visibilities down to 2 miles or potentially a little lower.
There will be some pockets of isolated wind shear this afternoon
across portions of Vermont ahead of a cold front. Once the
front passes this afternoon into this evening, we will see our
winds shift from the southeast to the west and at this time
winds will become gusty from the west and eliminate any wind
shear.

Outlook...

Friday: Mainly MVFR and IFR, with areas VFR possible. Definite
RA, Definite SN.
Friday Night: Mainly VFR, with local MVFR possible. Chance SHSN.
Saturday: Mainly VFR, with local MVFR possible. Slight chance
SHRA, Slight chance SHSN.
Saturday Night: VFR. NO SIG WX.
Sunday: VFR. Slight chance SHRA.
Sunday Night: VFR. Likely SHRA.
Monday: Mainly MVFR, with areas VFR possible. Definite SHRA.

&&

.BTV WATCHES/WARNINGS/ADVISORIES...
VT...Winter Storm Watch from this afternoon through Friday evening
     for VTZ003-004-006-007-016.
NY...None.

&&

SYNOPSIS...Banacos
NEAR TERM...Banacos/Duell
SHORT TERM...Banacos
LONG TERM...LaRocca
AVIATION...Clay

Hazardous Weather Outlook
National Weather Service Burlington VT
256 PM EDT Wed Apr 8 2020

VTZ003-004-006-007-016-091900-
Orleans-Essex-Lamoille-Caledonia-Eastern Franklin-
256 PM EDT Wed Apr 8 2020

...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY EVENING...

This Hazardous Weather Outlook is for northeast Vermont and
northwest Vermont.

.DAY ONE...This afternoon and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Winter Storm Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NYZ029>031-034-VTZ008-010-017>019-091900-
Southeastern St. Lawrence-Southern Franklin-Western Clinton-
Western Essex-Washington-Orange-Eastern Chittenden-Eastern Addison-
Eastern Rutland-
256 PM EDT Wed Apr 8 2020

This Hazardous Weather Outlook is for northern New York, central
Vermont, northwest Vermont and southern Vermont.

.DAY ONE...This afternoon and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Accumulating heavy wet snow is possible Thursday night into Friday,
especially across the Adirondacks and Green Mountains. While the
heaviest snowfall is expected across far north-central into
northeastern Vermont, snowfall accumulations of 2 to 6 inches are
possible across the Adirondacks and central and southern Green
Mountains. Some difficult travel can be expected across the higher
terrain roads, and isolated power outages are also a possibility
beginning Thursday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NYZ026>028-035-087-VTZ001-002-005-009-011-012-091900-
Northern St. Lawrence-Northern Franklin-Eastern Clinton-
Eastern Essex-Southwestern St. Lawrence-Grand Isle-Western Franklin-
Western Chittenden-Western Addison-Western Rutland-Windsor-
256 PM EDT Wed Apr 8 2020

This Hazardous Weather Outlook is for northern New York, central
Vermont, northwest Vermont and southern Vermont.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

A strong cold front will sweep eastward across northern New York and
Vermont on Thursday. This front will bring the potential for heavy
rain showers and wind gusts up to 30 to 40 mph during the midday
hours.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.