Alert archive / West Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Charleston, WV

August 7, 2021Raleigh County, West Virginia

NWS Charleston, WV issued this special weather statement at Aug 7, 2021, 3:52 PM EDT for Raleigh County, West Virginia. It was in force for 53 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, 3:52 PM EDT (19:52 UTC)
Expired
Aug 7, 2021, 4:45 PM EDT
In force
53 min
Issued by
NWS Charleston, WV
Hail
0.00 in
Wind
30

County Raleigh County, WV

The radar

The Charleston,WV radar (KRLX), 92 km from the middle of the area, began a volume at 19:56 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, 7.9 hours before the alert went out and 158 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 2021-08-07Temperature 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 2021-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 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
1171 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

255 
WWUS81 KRLX 071952
SPSRLX

Special Weather Statement
National Weather Service Charleston WV
352 PM EDT Sat Aug 7 2021
 
WVZ034-515-516-072045-
Wyoming WV-Northwest Raleigh WV-Southeast Raleigh WV-
352 PM EDT Sat Aug 7 2021

...A strong thunderstorm will impact portions of southern Raleigh and
eastern Wyoming Counties through 445 PM EDT...

At 351 PM EDT, Doppler radar was tracking a strong thunderstorm over
Twin Falls State Park, or 7 miles east of Pineville, moving east at
20 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...
Mullens, Sophia, Crab Orchard, Coal City, Shady Spring, Twin Falls
State Park, Beaver, Daniels, Macarthur, Lester, Rhodell, Bolt, Ghent,
Glen Daniel, Josephine, Maben and Herndon.

This includes the following highways...
 West Virginia Turnpike between mile markers 28 and 41.
 Interstate 64 in West Virginia between mile markers 120 and 121.

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.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

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 3750 8153 3781 8147 3770 8097 3766 8103
      3764 8107 3761 8106 3759 8109 3760 8114
      3758 8120 3754 8120 3751 8121 3750 8126
      3748 8127 3746 8131
TIME...MOT...LOC 1951Z 283DEG 16KT 3762 8140 

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

$$

08

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, 2:15 PM EDTSpecial Weather StatementRLXMingo30 min
Aug 7, 2:28 PM EDTSpecial Weather StatementRLXBoone32 min
Aug 7, 3:18 PM EDTSpecial Weather StatementRLXLogan27 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.