Alert archive / West Virginia / Wind Advisories in 2021

Wind Advisory 11, NWS Charleston, WV

December 21, 2021Pocahontas County, Randolph County, West Virginia

NWS Charleston, WV issued this wind advisory at Dec 21, 2021, 2:27 PM EST for Pocahontas County, Randolph County, West Virginia. It took effect at Dec 22, 2021, 7:00 AM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Dec 21, 2021, 2:27 PM EST (19:27 UTC)
In effect from
Dec 22, 2021, 7:00 AM EST
Expired
Dec 22, 2021, 2:49 PM EST
In force
8 hr
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 19:31 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 12:00Z, 7.5 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 12:00Z on 2021-12-21Temperature 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 12:00Z on 2021-12-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939587897117136Sfc1 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
1531 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

933 
WWUS71 KRLX 211927
NPWRLX

URGENT - WEATHER MESSAGE
National Weather Service Charleston WV
227 PM EST Tue Dec 21 2021

WVZ523-526-220330-
/O.NEW.KRLX.WI.Y.0011.211222T1400Z-211222T2100Z/
Northwest Pocahontas-Southeast Randolph-
Including the cities of Snowshoe and Harman
227 PM EST Tue Dec 21 2021

...WIND ADVISORY IN EFFECT FROM 9 AM TO 4 PM EST WEDNESDAY...

* WHAT...Northwest winds 15 to 25 mph with gusts up to 50 mph
  expected along the highest peaks.

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

* WHEN...From 9 AM to 4 PM EST Wednesday.

* 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 outdoor objects.

&&

$$
3 follow-up statements
447 
WWUS71 KRLX 220305
NPWRLX

URGENT - WEATHER MESSAGE
National Weather Service Charleston WV
1005 PM EST Tue Dec 21 2021

WVZ523-526-221115-
/O.EXT.KRLX.WI.Y.0011.211222T1200Z-211222T2100Z/
Northwest Pocahontas-Southeast Randolph-
Including the cities of Snowshoe and Harman
1005 PM EST Tue Dec 21 2021

...WIND ADVISORY NOW IN EFFECT FROM 7 AM TO 4 PM EST WEDNESDAY...

* WHAT...Northwest winds 15 to 25 mph with gusts up to 50 mph
  expected along the highest ridges.  

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

* WHEN...From 7 AM to 4 PM EST Wednesday.

* 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 outdoor objects.

&&

$$
991 
WWUS71 KRLX 221120
NPWRLX

URGENT - WEATHER MESSAGE
National Weather Service Charleston WV
620 AM EST Wed Dec 22 2021

WVZ523-526-222100-
/O.CON.KRLX.WI.Y.0011.211222T1200Z-211222T2100Z/
Northwest Pocahontas-Southeast Randolph-
Including the cities of Snowshoe and Harman
620 AM EST Wed Dec 22 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Northwest winds 15 to 25 mph with gusts up to 50 mph 
  expected along the highest ridges.

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

* WHEN...From 7 AM to 4 PM EST Wednesday.

* 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 outdoor objects.

&&

$$
297 
WWUS71 KRLX 221949
NPWRLX

URGENT - WEATHER MESSAGE
National Weather Service Charleston WV
249 PM EST Wed Dec 22 2021

WVZ523-526-222100-
/O.CAN.KRLX.WI.Y.0011.000000T0000Z-211222T2100Z/
Northwest Pocahontas-Southeast Randolph-
Including the cities of Snowshoe and Harman
249 PM EST Wed Dec 22 2021

...WIND ADVISORY IS CANCELLED...

Gusty winds peaked early this afternoon and are currently below 
advisory criteria.

$$

Nearby

Wind Advisories in West Virginia, 2021Every wind 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.