Alert archive / West Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Charleston, WV

August 29, 20215 counties in West Virginia

NWS Charleston, WV issued this special weather statement at Aug 29, 2021, 4:02 PM EDT for 5 counties in West Virginia. It was in force for 58 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 29, 2021, 4:02 PM EDT (20:02 UTC)
Expired
Aug 29, 2021, 5:00 PM EDT
In force
58 min
Issued by
NWS Charleston, WV
Hail
0.00 in
Wind
30

Counties Doddridge County, WV, Harrison County, WV, Lewis County, WV, Taylor County, WV, Upshur County, WV

The radar

The Pittsburgh radar (KPBZ), 128 km from the middle of the area, began a volume at 20:03 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.

What was reported inside it

TimeReportWhereRemark
Aug 29, 4:19 PM EDTTSTM WND GST 451 E Bridgeport, WV

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.0 hours before the alert went out and 117 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, Pittsburgh, PA at 12:00Z on 2021-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 985 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, Pittsburgh, PA at 12:00Z on 2021-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
985 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
957 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

825 
WWUS81 KRLX 292002
SPSRLX

Special Weather Statement
National Weather Service Charleston WV
402 PM EDT Sun Aug 29 2021
 
WVZ011-019-020-029>032-039-040-292100-
Barbour WV-Doddridge WV-Harrison WV-Ritchie WV-Taylor WV-Upshur WV-
Lewis WV-Gilmer WV-Tyler WV-
402 PM EDT Sun Aug 29 2021

...A strong thunderstorm will impact portions of east central
Ritchie, Doddridge, Taylor, northeastern Gilmer, Lewis, northern
Upshur, east central Tyler, northwestern Barbour and Harrison
Counties through 500 PM EDT...

At 401 PM EDT, Doppler radar was tracking multiple strong 
thunderstorms near Salem, or 18 miles west of Clarksburg, moving 
east at 20 mph.

HAZARD...Winds in excess of 30 mph associated with an outflow 
         boundary.

SOURCE...Radar indicated.

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

Locations impacted include...
Clarksburg, Buckhannon, Grafton, Weston, Philippi, Bridgeport,
Shinnston, Stonewood, Nutter Fort, Salem, Lumberport, West Union,
Anmoore, Jackson Mill, Stonewall Jackson, Enterprise, West Milford,
Lost Creek, Jane Lew and Flemington.

This includes the following highways...
 Interstate 79 between mile markers 91 and 128.
 Route 50 in West Virginia between mile markers 52 and 82.
 Route 33 between mile markers 1 and 17.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3946 8067 3947 8064 3944 8060 3945 8058
      3943 8058 3944 8056 3943 8054 3944 8051
      3946 8051 3947 8049 3943 8028 3939 8020
      3941 8011 3939 8009 3940 8003 3943 7998
      3882 8015 3911 8090 3948 8068
TIME...MOT...LOC 2001Z 267DEG 17KT 3928 8067 

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

$$

11

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 2:21 PM EDTSevere Thunderstorm WarningRLXPleasants, Ritchie, Wood39 min
Aug 29, 2:48 PM EDTSevere Thunderstorm WarningRLXRitchie, Wirt, Wood27 min
Aug 29, 3:08 PM EDTSpecial Weather StatementRLXCabell52 min
Aug 29, 3:27 PM EDTSevere Thunderstorm WarningRLXJackson, Mason, Putnam33 min
Aug 29, 3:49 PM EDTFlash Flood WarningRLXMason3 hr
Aug 29, 3:53 PM EDTSevere Thunderstorm WarningRLXJackson, Mason, Putnam20 min
Aug 29, 3:57 PM EDTSpecial Weather StatementRLXKanawha33 min
Aug 29, 4:03 PM EDTSevere Thunderstorm WarningRLXKanawha, Putnam27 min
Aug 29, 4:15 PM EDTSpecial Weather StatementRLXRoane30 min
Aug 29, 4:51 PM EDTSpecial Weather StatementRLXClay24 min
Aug 29, 5:20 PM EDTSpecial Weather StatementRLXClay, Fayette, Nicholas25 min
Aug 29, 11:59 AM EDTSpecial Weather StatementRLXPerry46 min
Aug 29, 12:22 PM EDTSpecial Weather StatementRLXVinton38 min
Aug 29, 1:47 PM EDTFlash Flood WarningRLXAthens, Morgan2 hr
Aug 29, 1:55 PM EDTSevere Thunderstorm WarningRLXAthens, Washington35 min
Aug 29, 2:54 PM EDTSpecial Weather StatementRLXScioto51 min
Aug 29, 3:13 PM EDTSpecial Weather StatementRLXGallia47 min
Aug 29, 3:14 PM EDTSpecial Weather StatementRLXGallia46 min
Aug 29, 3:25 PM EDTSpecial Weather StatementRLXVinton50 min
Aug 29, 4:19 PM EDTSpecial Weather StatementRLXMeigs41 min
Aug 29, 4:51 PM EDTSpecial Weather StatementRLXPerry54 min
Aug 29, 1:22 PM EDTSpecial Weather StatementRLXLawrence38 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.