Alert archive / West Virginia / High Wind Watches in 2021

High Wind Watch 2, NWS Charleston, WV

December 10, 2021Pocahontas County, Randolph County, West Virginia

NWS Charleston, WV issued this high wind watch at Dec 10, 2021, 4:21 AM EST for Pocahontas County, Randolph County, West Virginia. It took effect at Dec 11, 2021, 1:00 PM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 10, 2021, 4:21 AM EST (09:21 UTC)
In effect from
Dec 11, 2021, 1:00 PM EST
Expired
Dec 10, 2021, 4:02 PM EST
In force
Issued by
NWS Charleston, WV

Counties Pocahontas County, WV, Randolph County, WV

The radar

The Charleston,WV radar (KRLX), 157 km from the middle of the area, began a volume at 09:21 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

Roanoke, VA (KRNK), launched 00:00Z, 9.4 hours before the alert went out and 155 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, Roanoke, VA at 00:00Z on 2021-12-10Temperature 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, Roanoke, VA at 00:00Z on 2021-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 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
1469 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
374 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

002 
WWUS71 KRLX 100921
NPWRLX

URGENT - WEATHER MESSAGE
National Weather Service Charleston WV
421 AM EST Fri Dec 10 2021

WVZ523-526-101730-
/O.NEW.KRLX.HW.A.0002.211211T1800Z-211212T0400Z/
Northwest Pocahontas-Southeast Randolph-
Including the cities of Snowshoe and Harman
421 AM EST Fri Dec 10 2021

...HIGH WIND WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING...

* WHAT...West winds 20 to 30 mph with gusts up to 60 mph 
  possible.

* WHERE...Northwest Pocahontas and Southeast Randolph Counties.

* WHEN...From Saturday afternoon through Saturday evening.

* IMPACTS...Damaging winds could blow down trees and power lines.
  Power outages are possible. Travel could be difficult, 
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$
2 follow-up statements
174 
WWUS71 KRLX 101655
NPWRLX

URGENT - WEATHER MESSAGE
National Weather Service Charleston WV
1155 AM EST Fri Dec 10 2021

WVZ523-526-110100-
/O.CON.KRLX.HW.A.0002.211211T1800Z-211212T0400Z/
Northwest Pocahontas-Southeast Randolph-
Including the cities of Snowshoe and Harman
1155 AM EST Fri Dec 10 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph 
  possible.

* WHERE...Southeast Randolph and Northwest Pocahontas Counties.

* WHEN...From Saturday afternoon through Saturday evening.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel could be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$
200 
WWUS71 KRLX 102102
NPWRLX

URGENT - WEATHER MESSAGE
National Weather Service Charleston WV
402 PM EST Fri Dec 10 2021

WVZ523-526-110600-
/O.UPG.KRLX.HW.A.0002.211211T1800Z-211212T0400Z/
/O.NEW.KRLX.WI.Y.0010.211211T1700Z-211212T0500Z/
Northwest Pocahontas-Southeast Randolph-
Including the cities of Snowshoe and Harman
402 PM EST Fri Dec 10 2021

...WIND ADVISORY IN EFFECT FROM NOON SATURDAY TO MIDNIGHT EST
SATURDAY NIGHT...

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

* WHERE...Northwest Pocahontas and Southeast Randolph Counties.

* WHEN...From noon Saturday to midnight EST Saturday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure holiday decorations and other loose 
outdoor objects.

&&

$$

WVZ522-110600-
/O.NEW.KRLX.WI.Y.0010.211211T1700Z-211212T0500Z/
Southeast Webster-
402 PM EST Fri Dec 10 2021

...WIND ADVISORY IN EFFECT FROM NOON SATURDAY TO MIDNIGHT EST
SATURDAY NIGHT...

* WHAT...West winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Southeast Webster County.

* WHEN...From noon Saturday to midnight EST Saturday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure holiday decorations and other loose 
outdoor objects.

&&

$$

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 10, 4:02 PM ESTWind AdvisoryRLXBarbour, Braxton, Harrison, Lewis, Nicholas, Pocahontas and 4 more30 hr

Nearby

High Wind Watches in West Virginia, 2021Every high wind watch 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.