Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Charleston, WV

July 10, 2021Buchanan County, Virginia

NWS Charleston, WV issued this special weather statement at Jul 10, 2021, 4:00 PM EDT for Buchanan County, Virginia. It was in force for 45 min. 2 reports 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
Jul 10, 2021, 4:00 PM EDT (20:00 UTC)
Expired
Jul 10, 2021, 4:45 PM EDT
In force
45 min
Issued by
NWS Charleston, WV

County Buchanan County, VA

The radar

The Charleston,WV radar (KRLX), 121 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
Jul 10, 4:40 PM EDTTSTM WND DMG2 E Vansant, VATREES DOWN ON US 460.
Jul 10, 4:45 PM EDTTSTM WND DMG7 Ene Grundy, VATREES DOWN ON SLATE CREEK ROAD AND ACROSS RAILROAD TRACKS NEAR THAT AREA, SHUTTING DOWN THE LINE FOR A WHILE.

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

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 8.0 hours before the alert went out and 222 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 2021-07-10Temperature 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 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 square meters per square second.193958Sfc1 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
1182 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
6 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

034 
WWUS81 KRLX 102000
SPSRLX

Special Weather Statement
National Weather Service Charleston WV
400 PM EDT Sat Jul 10 2021

VAZ004-WVZ033-102045-
Buchanan-McDowell-
400 PM EDT Sat Jul 10 2021

...A STRONG THUNDERSTORM WILL AFFECT BUCHANAN AND WESTERN MCDOWELL
COUNTIES...

At 400 PM EDT, a strong thunderstorm was located over Fedscreek, or
10 miles north of Breaks Interstate, moving southeast at 30 mph.

Wind gusts up to 50 mph and half inch hail are possible with this
storm.

Locations impacted include...
Grundy, Big Rock, Paw Paw, Davy, Bradshaw, Iaeger, Panther, Jolo,
Oakwood, Stacy, Vansant, Hurley, Avondale and Roseann.

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.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3731 8229 3752 8200 3747 8162 3713 8193
      3713 8196 3712 8198 3713 8199 3711 8201
TIME...MOT...LOC 2000Z 294DEG 25KT 3743 8223 

$$

ABE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 12:38 PM EDTSpecial Weather StatementRLXCabell, Wayne52 min
Jul 10, 1:17 PM EDTSpecial Weather StatementRLXMingo43 min
Jul 10, 1:23 PM EDTSevere Thunderstorm WarningRLXLogan, McDowell, Mingo, Wyoming37 min
Jul 10, 1:27 PM EDTSpecial Weather StatementRLXBoone, Cabell, Kanawha, Lincoln, Mason, Putnam48 min
Jul 10, 2:51 PM EDTSpecial Weather StatementRLXFayette39 min
Jul 10, 4:30 PM EDTSevere Thunderstorm WarningRLXMcDowell45 min
Jul 10, 5:16 PM EDTSevere Thunderstorm WarningRLXMcDowell29 min
Jul 10, 1:32 PM EDTSpecial Weather StatementRLXBuchanan28 min
Jul 10, 5:52 PM EDTSpecial Weather StatementRLXBuchanan53 min
Jul 10, 6:23 PM EDTFlash Flood WarningRLXBuchanan2 hr

Nearby

Special Weather Statements in 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.