Alert archive / Vermont / Wind Chill Advisories in 2021

Wind Chill Advisory 3, NWS Burlington, VT

February 11, 202110 counties in Vermont; 4 counties in New York

NWS Burlington, VT issued this wind chill advisory at Feb 11, 2021, 2:52 AM EST for 10 counties in Vermont; 4 counties in New York. It took effect at Feb 12, 2021, 12:00 AM EST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Feb 11, 2021, 2:52 AM EST (07:52 UTC)
In effect from
Feb 12, 2021, 12:00 AM EST
Expired
Feb 12, 2021, 4:59 AM EST
In force
5 hr
Issued by
NWS Burlington, VT

Counties Clinton County, NY, Essex County, NY, Franklin County, NY, St. Lawrence County, NY, Addison County, VT, Caledonia County, VT, Chittenden County, VT, Essex County, VT, Franklin County, VT, Lamoille County, VT, Orange County, VT, Orleans County, VT, Rutland County, VT, Washington County, VT

The radar

The Burlington radar (KCXX), 14 km from the middle of the area, began a volume at 07:53 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 7.9 hours before the alert went out and 202 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Albany, NY at 00:00Z on 2021-02-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 00:00Z on 2021-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1655 m above ground
0-6 km bulk shear
83 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

919 
WWUS41 KBTV 110752
WSWBTV

URGENT - WINTER WEATHER MESSAGE
National Weather Service Burlington VT
252 AM EST Thu Feb 11 2021

NYZ028>031-034-VTZ003-004-006>008-010-012-016>019-112100-
/O.NEW.KBTV.WC.Y.0003.210212T0500Z-210212T1500Z/
Eastern Clinton-Southeastern St. Lawrence-Southern Franklin-
Western Clinton-Western Essex-Orleans-Essex-Lamoille-Caledonia-
Washington-Orange-Windsor-Eastern Franklin-Eastern Chittenden-
Eastern Addison-Eastern Rutland-
Including the cities of Plattsburgh, Star Lake, Saranac Lake, 
Tupper Lake, Dannemora, Lake Placid, Newport, Island Pond, 
Johnson, Stowe, St. Johnsbury, Montpelier, Bradford, Randolph, 
Springfield, White River Junction, Enosburg Falls, Richford, 
Underhill, Bristol, Ripton, East Wallingford, and Killington
252 AM EST Thu Feb 11 2021

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM
EST FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  30 below zero.

* WHERE...The Northern Adirondacks and Eastern Clinton County in
  Northern New York, and along and east of the Green Mountains in
  Vermont.

* WHEN...From midnight tonight to 10 AM EST Friday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

* ADDITIONAL DETAILS...Very cold temperatures will continue
  throughout the day Friday with sustained wind speeds up to 10
  mph.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

For more information from the National Weather Service visit
http://weather.gov/btv/winter
2 follow-up statements
719 
WWUS41 KBTV 112015
WSWBTV

URGENT - WINTER WEATHER MESSAGE
National Weather Service Burlington VT
315 PM EST Thu Feb 11 2021

NYZ028>031-034-VTZ003-004-006>008-010-012-016>019-121015-
/O.CON.KBTV.WC.Y.0003.210212T0500Z-210212T1500Z/
Eastern Clinton-Southeastern St. Lawrence-Southern Franklin-
Western Clinton-Western Essex-Orleans-Essex-Lamoille-Caledonia-
Washington-Orange-Windsor-Eastern Franklin-Eastern Chittenden-
Eastern Addison-Eastern Rutland-
Including the cities of Plattsburgh, Star Lake, Saranac Lake, 
Tupper Lake, Dannemora, Lake Placid, Newport, Island Pond, 
Johnson, Stowe, St. Johnsbury, Montpelier, Bradford, Randolph, 
Springfield, White River Junction, Enosburg Falls, Richford, 
Underhill, Bristol, Ripton, East Wallingford, and Killington
315 PM EST Thu Feb 11 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM EST FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  30 below zero.

* WHERE...The Northern Adirondacks and Eastern Clinton County in 
  Northern New York, and along and east of the Green Mountains 
  in Vermont.

* WHEN...From midnight tonight to 10 AM EST Friday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

* ADDITIONAL DETAILS...Very cold temperatures will continue 
  throughout the day Friday with sustained wind speeds up to 10 
  mph.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/btv/winter
290 
WWUS41 KBTV 120959
WSWBTV

URGENT - WINTER WEATHER MESSAGE
National Weather Service Burlington VT
459 AM EST Fri Feb 12 2021

NYZ028>031-034-VTZ003-004-006>008-010-012-016>019-121100-
/O.CAN.KBTV.WC.Y.0003.000000T0000Z-210212T1500Z/
Eastern Clinton-Southeastern St. Lawrence-Southern Franklin-
Western Clinton-Western Essex-Orleans-Essex-Lamoille-Caledonia-
Washington-Orange-Windsor-Eastern Franklin-Eastern Chittenden-
Eastern Addison-Eastern Rutland-
Including the cities of Plattsburgh, Star Lake, Saranac Lake, 
Tupper Lake, Dannemora, Lake Placid, Newport, Island Pond, 
Johnson, Stowe, St. Johnsbury, Montpelier, Bradford, Randolph, 
Springfield, White River Junction, Enosburg Falls, Richford, 
Underhill, Bristol, Ripton, East Wallingford, and Killington
459 AM EST Fri Feb 12 2021

...WIND CHILL ADVISORY IS CANCELLED...

Winds have weakened across the advisory area. Temperatures will
remain very cold early this morning, but light winds are
anticipated. 

$$

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

Nearby

Wind Chill Advisories in Vermont, 2021Wind Chill Advisories in New York, 2021Every wind chill advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.