Alert archive / Vermont / Wind Advisories in 2020

Wind Advisory 13, NWS Burlington, VT

December 24, 2020Clinton County, Franklin County, St. Lawrence County, New York; 6 counties in Vermont

NWS Burlington, VT issued this wind advisory at Dec 24, 2020, 3:43 PM EST for Clinton County, Franklin County, St. Lawrence County, New York; 6 counties in Vermont. It took effect at Dec 25, 2020, 1:00 AM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Dec 24, 2020, 3:43 PM EST (20:43 UTC)
In effect from
Dec 25, 2020, 1:00 AM EST
Expired
Dec 25, 2020, 9:50 AM EST
In force
9 hr
Issued by
NWS Burlington, VT

Counties Clinton County, NY, Franklin County, NY, St. Lawrence County, NY, Addison County, VT, Chittenden County, VT, Franklin County, VT, Lamoille County, VT, Orleans County, VT, Rutland County, VT

The radar

The Burlington radar (KCXX), 15 km from the middle of the area, began a volume at 20:44 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 12:00Z, 8.7 hours before the alert went out and 201 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 12:00Z on 2020-12-24Temperature 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 12:00Z on 2020-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 489 square meters per square second.1939587897Sfc1 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
676 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
489 m²/s²
0-3 km storm-relative helicity
610 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

918 
WWUS71 KBTV 242043
NPWBTV

URGENT - WEATHER MESSAGE
National Weather Service Burlington VT
343 PM EST Thu Dec 24 2020

NYZ029-030-251100-
/O.CAN.KBTV.WI.Y.0012.000000T0000Z-201224T2100Z/
/O.NEW.KBTV.WI.Y.0013.201225T0600Z-201225T1500Z/
Southeastern St. Lawrence-Southern Franklin-
Including the cities of Star Lake, Saranac Lake, and Tupper Lake
343 PM EST Thu Dec 24 2020

...WIND ADVISORY IN EFFECT FROM 1 AM TO 10 AM EST FRIDAY...
...PREVIOUS WIND ADVISORY IS CANCELLED...

* WHAT...South winds 15 to 20 mph with gusts up to 50 mph 
  expected.

* WHERE...Southeastern St. Lawrence and Southern Franklin 
  Counties.

* WHEN...From 1 AM to 10 AM EST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Winds have subsided to under 40 MPH for the
  evening but will strengthen again overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

NYZ027-VTZ001-242145-
/O.CAN.KBTV.WI.Y.0012.000000T0000Z-201224T2100Z/
Northern Franklin-Grand Isle-
Including the cities of Malone, Alburgh, and South Hero
343 PM EST Thu Dec 24 2020

...WIND ADVISORY IS CANCELLED...

Winds have subsided to under 35 MPH.

$$

NYZ031-VTZ003-006-016>019-251100-
/O.NEW.KBTV.WI.Y.0013.201225T0600Z-201225T1500Z/
Western Clinton-Orleans-Lamoille-Eastern Franklin-
Eastern Chittenden-Eastern Addison-Eastern Rutland-
Including the cities of Dannemora, Newport, Johnson, Stowe, 
Enosburg Falls, Richford, Underhill, Bristol, Ripton, 
East Wallingford, and Killington
343 PM EST Thu Dec 24 2020

...WIND ADVISORY IN EFFECT FROM 1 AM TO 10 AM EST FRIDAY...

* WHAT...Southeast winds 20 to 30 mph with gusts up to 60 mph 
  expected.

* WHERE...In Vermont, Orleans, Lamoille, Eastern Franklin, 
  Eastern Chittenden, Eastern Addison and Eastern Rutland 
  Counties. In New York, Western Clinton County.

* WHEN...From 1 AM to 10 AM EST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Winds will increase in intensity through
  the evening, peaking tonight. The strongest winds will mainly
  occur above 1000 feet, especially along the western slopes of 
  the Green Mountains.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
2 follow-up statements
039 
WWUS71 KBTV 251006
NPWBTV

URGENT - WEATHER MESSAGE
National Weather Service Burlington VT
506 AM EST Fri Dec 25 2020

NYZ029>031-VTZ003-006-016>019-251500-
/O.CON.KBTV.WI.Y.0013.000000T0000Z-201225T1500Z/
Southeastern St. Lawrence-Southern Franklin-Western Clinton-
Orleans-Lamoille-Eastern Franklin-Eastern Chittenden-
Eastern Addison-Eastern Rutland-
Including the cities of Star Lake, Saranac Lake, Tupper Lake, 
Dannemora, Newport, Johnson, Stowe, Enosburg Falls, Richford, 
Underhill, Bristol, Ripton, East Wallingford, and Killington
506 AM EST Fri Dec 25 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING...

* WHAT...Southeast winds 20 to 30 mph with gusts up to 60 mph 
  expected.

* WHERE...In Vermont, Orleans, Lamoille, Eastern Franklin, 
  Eastern Chittenden, Eastern Addison and Eastern Rutland 
  Counties. In New York, Western Clinton County.

* WHEN...From 1 AM to 10 AM EST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Winds will remain gusty through the early
  morning hours and gradually taper off towards mid-morning. The 
  strongest winds will mainly occur above 1000 feet, especially 
  along the western slopes of the Green Mountains.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
822 
WWUS71 KBTV 251450
NPWBTV

URGENT - WEATHER MESSAGE
National Weather Service Burlington VT
950 AM EST Fri Dec 25 2020

NYZ029>031-VTZ003-006-016>019-251600-
/O.CAN.KBTV.WI.Y.0013.000000T0000Z-201225T1500Z/
Southeastern St. Lawrence-Southern Franklin-Western Clinton-
Orleans-Lamoille-Eastern Franklin-Eastern Chittenden-
Eastern Addison-Eastern Rutland-
Including the cities of Star Lake, Saranac Lake, Tupper Lake, 
Dannemora, Newport, Johnson, Stowe, Enosburg Falls, Richford, 
Underhill, Bristol, Ripton, East Wallingford, and Killington
950 AM EST Fri Dec 25 2020

...WIND ADVISORY IS CANCELLED...

Winds have decreased below advisory criteria this morning. 
However, breezy conditions with gusts up to 30 MPH will persist 
through the remainder of the day.

$$

Nearby

Wind Advisories in Vermont, 2020Wind Advisories in New York, 2020Every wind advisory in 2020

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.