Alert archive / West Virginia / Wind Advisories in 2021

Wind Advisory 9, NWS Charleston, WV

December 6, 2021Pocahontas County, Randolph County, West Virginia

NWS Charleston, WV issued this wind advisory at Dec 6, 2021, 12:03 PM EST for Pocahontas County, Randolph County, West Virginia. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Dec 6, 2021, 12:03 PM EST (17:03 UTC)
Expired
Dec 7, 2021, 1:00 AM EST
In force
13 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 17:06 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, 5.1 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 2021-12-06Temperature 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 2021-12-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 361 square meters per square second.19395878Sfc1 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
864 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
361 m²/s²
0-3 km storm-relative helicity
417 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

096 
WWUS71 KRLX 061703
NPWRLX

URGENT - WEATHER MESSAGE
National Weather Service Charleston WV
1203 PM EST Mon Dec 6 2021

WVZ523-526-070115-
/O.NEW.KRLX.WI.Y.0009.211206T1703Z-211207T0600Z/
Northwest Pocahontas-Southeast Randolph-
Including the cities of Snowshoe and Harman
1203 PM EST Mon Dec 6 2021

...WIND ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...West winds 15 to 25 mph with gusts up to 45 mph.

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

* WHEN...Until 1 AM EST Tuesday.

* 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.

&&

$$
2 follow-up statements
214 
WWUS71 KRLX 070103
NPWRLX

URGENT - WEATHER MESSAGE
National Weather Service Charleston WV
803 PM EST Mon Dec 6 2021

WVZ523-526-070600-
/O.CON.KRLX.WI.Y.0009.000000T0000Z-211207T0600Z/
Northwest Pocahontas-Southeast Randolph-
Including the cities of Snowshoe and Harman
803 PM EST Mon Dec 6 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...West winds 15 to 25 mph with gusts up to 45 mph.

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

* WHEN...Until 1 AM EST Tuesday.

* 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.

&&

$$
295 
WWUS71 KRLX 070554
NPWRLX

URGENT - WEATHER MESSAGE
National Weather Service Charleston WV
1254 AM EST Tue Dec 7 2021

WVZ523-526-070700-
/O.EXP.KRLX.WI.Y.0009.000000T0000Z-211207T0600Z/
Northwest Pocahontas-Southeast Randolph-
Including the cities of Snowshoe and Harman
1254 AM EST Tue Dec 7 2021

...WIND ADVISORY WILL EXPIRE AT 1 AM EST EARLY THIS MORNING...

The wind has subsided enough to no longer pose a threat to the 
area, therefore we will let the wind advisory expire at its 
designated time on the top of the hour.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 6, 7:28 AM ESTSpecial Weather StatementRLXCabell, Jackson, Mason, Putnam47 min
Dec 6, 8:45 AM ESTSpecial Weather StatementRLXPutnam45 min
Dec 6, 9:15 AM ESTSpecial Weather StatementRLXLincoln45 min
Dec 6, 9:57 AM ESTSpecial Weather StatementRLXBraxton, Clay33 min
Dec 6, 9:57 AM ESTSpecial Weather StatementRLXBraxton, Clay48 min

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.