Alert archive / West Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Charleston, WV

August 7, 2021Mingo County, West Virginia

NWS Charleston, WV issued this special weather statement at Aug 7, 2021, 2:15 PM EDT for Mingo County, West Virginia. It was in force for 30 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 7, 2021, 2:15 PM EDT (18:15 UTC)
Expired
Aug 7, 2021, 2:45 PM EDT
In force
30 min
Issued by
NWS Charleston, WV
Hail
0.25 in
Wind
40

County Mingo County, WV

The radar

The Charleston,WV radar (KRLX), 54 km from the middle of the area, began a volume at 18:19 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.3 hours before the alert went out and 223 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, Cncnati-Daytn, OH at 12:00Z on 2021-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 815 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, Cncnati-Daytn, OH at 12:00Z on 2021-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939Sfc1 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
815 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
973 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

554 
WWUS81 KRLX 071815
SPSRLX

Special Weather Statement
National Weather Service Charleston WV
215 PM EDT Sat Aug 7 2021
 
WVZ005-013-024-025-071845-
Lincoln WV-Logan WV-Mingo WV-Wayne WV-
215 PM EDT Sat Aug 7 2021

...A strong thunderstorm will impact portions of northwestern Mingo,
southwestern Lincoln, northwestern Logan and southeastern Wayne
Counties through 245 PM EDT...

At 214 PM EDT, Doppler radar was tracking a strong thunderstorm near
Harts, or 14 miles northwest of Logan, moving southeast at 15 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Chapmanville, Delbarton, Chief Logan State, Mount Gay-Shamrock,
Holden, Harts, Mitchell Heights, Verdunville, Dingess, Myrtle,
Wilsondale and Breeden.

This includes Route 119 between mile markers 10 and 39.
 
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.

Excessive runoff from heavy rainfall will cause elevated levels on
small creeks and streams, and ponding of water on country roads and
farmland along the banks of creeks and streams.

&&

LAT...LON 3769 8216 3801 8238 3809 8229 3801 8196
      3799 8198 3797 8196 3798 8191
TIME...MOT...LOC 1814Z 308DEG 13KT 3798 8220 

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

$$

20

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 1:35 PM EDTSpecial Weather StatementRLXLincoln25 min
Aug 7, 2:28 PM EDTSpecial Weather StatementRLXBoone32 min
Aug 7, 3:18 PM EDTSpecial Weather StatementRLXLogan27 min
Aug 7, 3:52 PM EDTSpecial Weather StatementRLXRaleigh53 min
Aug 7, 6:25 PM EDTSpecial Weather StatementRLXMason35 min
Aug 7, 6:14 PM EDTSpecial Weather StatementRLXPerry46 min
Aug 7, 3:14 PM EDTSpecial Weather StatementRLXBuchanan31 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; radar from the NEXRAD Level II archive.