Alert archive / West Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Charleston, WV

August 5, 2021Fayette County, West Virginia

NWS Charleston, WV issued this special weather statement at Aug 5, 2021, 12:09 AM EDT for Fayette County, West Virginia. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 5, 2021, 12:09 AM EDT (04:09 UTC)
Expired
Aug 5, 2021, 1:00 AM EDT
In force
51 min
Issued by
NWS Charleston, WV
Hail
0.00 in
Wind
30

County Fayette County, WV

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 4.2 hours before the alert went out and 190 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 2021-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 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
20 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1604 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

663 
WWUS81 KRLX 050409
SPSRLX

Special Weather Statement
National Weather Service Charleston WV
1209 AM EDT Thu Aug 5 2021
 
WVZ015-517-050500-
Kanawha WV-Northwest Fayette WV-
1209 AM EDT Thu Aug 5 2021

...A strong thunderstorm will impact portions of southeastern Kanawha
and northwestern Fayette Counties through 100 AM EDT...

At 1208 AM EDT, Doppler radar was tracking a strong thunderstorm over
Powellton, or 11 miles west of Fayetteville, moving north at 15 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Montgomery, Cedar Grove, East Bank, Glasgow, Smithers, Gauley Bridge,
Pratt, Burnwell, Powellton, Handley, Dawes, Sharon and Eskdale.

This includes West Virginia Turnpike between mile markers 65 and 83.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to travel across
flooded roads. Find alternate routes. It takes only a few inches of
swiftly flowing water to carry vehicles away.

&&

LAT...LON 3824 8150 3825 8119 3823 8119 3823 8115
      3824 8114 3821 8111 3801 8119 3801 8143
TIME...MOT...LOC 0408Z 184DEG 13KT 3808 8132 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

$$

JP

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 10:11 PM EDTSpecial Weather StatementRLXRaleigh34 min
Aug 4, 10:40 PM EDTFlash Flood WarningRLXRaleigh, Wyoming3 hr
Aug 5, 1:07 AM EDTSpecial Weather StatementRLXBoone23 min
Aug 5, 1:18 AM EDTAreal Flood WarningRLXRaleigh, Wyoming4 hr
Aug 5, 1:49 AM EDTSpecial Weather StatementRLXBoone26 min

Nearby

Special Weather Statements in West Virginia, 2021Every special weather statement 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.