Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 71, NWS Charleston, WV

June 21, 20216 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jun 21, 2021, 1:25 PM EDT for 6 counties in West Virginia. It was in force for 50 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
Jun 21, 2021, 1:25 PM EDT (17:25 UTC)
Expired
Jun 21, 2021, 2:15 PM EDT
In force
50 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Braxton County, WV, Calhoun County, WV, Clay County, WV, Kanawha County, WV, Nicholas County, WV, Roane County, WV

The radar

The Charleston,WV radar (KRLX), 41 km from the middle of the area, began a volume at 17:29 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 21, 12:31 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 5.4 hours before the alert went out and 206 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 2021-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 530 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 12:00Z on 2021-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
530 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
826 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

822 
WUUS51 KRLX 211725
SVRRLX
WVC007-013-015-039-067-087-211815-
/O.NEW.KRLX.SV.W.0071.210621T1725Z-210621T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
125 PM EDT Mon Jun 21 2021

The National Weather Service in Charleston West Virginia has issued a

* Severe Thunderstorm Warning for...
  Southeastern Calhoun County in north central West Virginia...
  West central Nicholas County in southeastern West Virginia...
  Northeastern Kanawha County in central West Virginia...
  West central Braxton County in north central West Virginia...
  Southeastern Roane County in central West Virginia...
  Clay County in north central West Virginia...

* Until 215 PM EDT.

* At 125 PM EDT, a severe thunderstorm was located near Pinch, or 13
  miles east of Charleston, moving east at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Clay, Clendenin, Pinch, Glen, Big Otter, Elkview, Wallback, Amma,
  Harrison, Nebo, Bickmore, Procious, Servia, Indore, Bentree,
  Kesslers Cross Lanes, Drennan and Ivydale.

This includes Interstate 79 near mile marker 14, near mile marker 20,
near mile marker 23, and between mile markers 27 and 46.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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

Please report severe weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3835 8151 3845 8150 3872 8096 3820 8086
TIME...MOT...LOC 1725Z 268DEG 28KT 3839 8138 

HAIL...1.00IN
WIND...60MPH
 
$$

14
2 follow-up statements
323 
WWUS51 KRLX 211749
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
149 PM EDT Mon Jun 21 2021

WVC013-211759-
/O.CAN.KRLX.SV.W.0071.000000T0000Z-210621T1815Z/
Calhoun WV-
149 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CALHOUN COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central, southeastern and north central West Virginia.

LAT...LON 3820 8086 3831 8132 3846 8132 3863 8109
      3862 8108 3866 8104 3872 8096
TIME...MOT...LOC 1749Z 268DEG 29KT 3839 8113 

$$

WVC007-015-039-067-087-211815-
/O.CON.KRLX.SV.W.0071.000000T0000Z-210621T1815Z/
Nicholas WV-Kanawha WV-Braxton WV-Roane WV-Clay WV-
149 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR WEST CENTRAL NICHOLAS...NORTHEASTERN KANAWHA...WEST CENTRAL
BRAXTON...SOUTHEASTERN ROANE AND CLAY COUNTIES...

At 149 PM EDT, a severe thunderstorm was located near Clay, moving
east at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Clay, Glen, Big Otter, Wallback, Harrison, Nebo, Bickmore, Procious,
Servia, Indore, Bentree, Kesslers Cross Lanes, Drennan and Ivydale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 3820 8086 3831 8132 3846 8132 3863 8109
      3862 8108 3866 8104 3872 8096
TIME...MOT...LOC 1749Z 268DEG 29KT 3839 8113 

HAIL...1.00IN
WIND...60MPH
 
$$

14
386 
WWUS51 KRLX 211808
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
208 PM EDT Mon Jun 21 2021

WVC007-015-039-067-087-211818-
/O.EXP.KRLX.SV.W.0071.000000T0000Z-210621T1815Z/
Nicholas WV-Kanawha WV-Braxton WV-Roane WV-Clay WV-
208 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL NICHOLAS...
NORTHEASTERN KANAWHA...WEST CENTRAL BRAXTON...SOUTHEASTERN ROANE AND
CLAY COUNTIES WILL EXPIRE AT 215 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central, southeastern and north central West Virginia.

LAT...LON 3820 8086 3831 8132 3846 8132 3863 8109
      3862 8108 3866 8104 3872 8096
TIME...MOT...LOC 1808Z 268DEG 28KT 3839 8097 

$$

14

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 12:24 PM EDTSpecial Weather StatementRLXWirt36 min
Jun 21, 12:28 PM EDTSpecial Weather StatementRLXPutnam32 min
Jun 21, 12:34 PM EDTSevere Thunderstorm WarningRLXJackson, Kanawha, Putnam, Roane41 min
Jun 21, 12:40 PM EDTSevere Thunderstorm WarningRLXBraxton, Calhoun, Gilmer, Lewis50 min
Jun 21, 12:57 PM EDTSevere Thunderstorm WarningRLXClay, Fayette, Kanawha33 min
Jun 21, 1:15 PM EDTSevere Thunderstorm WarningRLXBoone, Logan, Wyoming24 min
Jun 21, 2:11 PM EDTSpecial Weather StatementRLXRandolph34 min
Jun 21, 2:28 PM EDTSevere Thunderstorm WarningRLXNicholas, Pocahontas, Randolph, Webster47 min
Jun 21, 2:56 PM EDTSpecial Weather StatementRLXWayne34 min
Jun 21, 3:14 PM EDTSevere Thunderstorm WarningRLXBoone, Lincoln, Logan, Putnam, Wayne46 min
Jun 21, 3:18 PM EDTSevere Thunderstorm WarningRLXRaleigh, Wyoming31 min
Jun 21, 3:48 PM EDTSevere Thunderstorm WarningRLXPleasants, Wood42 min
Jun 21, 4:05 PM EDTSevere Thunderstorm WarningRLXDoddridge, Pleasants, Ritchie, Tyler, Wood40 min
Jun 21, 4:16 PM EDTSevere Thunderstorm WarningRLXWood29 min
Jun 21, 4:19 PM EDTTornado WarningRLXPleasants26 min
Jun 21, 4:23 PM EDTSevere Thunderstorm WarningRLXPleasants, Ritchie, Wood37 min
Jun 21, 4:36 PM EDTTornado WarningRLXJackson, Wood24 min
Jun 21, 4:41 PM EDTSevere Thunderstorm WarningRLXPleasants, Ritchie, Tyler35 min
Jun 21, 4:45 PM EDTSevere Thunderstorm WarningRLXJackson, Mason, Wirt, Wood45 min
Jun 21, 4:54 PM EDTSevere Thunderstorm WarningRLXJackson, Wirt21 min
Jun 21, 5:09 PM EDTSevere Thunderstorm WarningRLXPleasants, Ritchie, Wirt, Wood36 min
Jun 21, 5:15 PM EDTTornado WarningRLXCalhoun, Ritchie, Wirt30 min
Jun 21, 5:19 PM EDTSevere Thunderstorm WarningRLXDoddridge, Harrison, Taylor, Tyler41 min
Jun 21, 5:24 PM EDTFlash Flood WarningRLXJackson, Mason, Pleasants, Ritchie, Wirt, Wood4 hr
Jun 21, 7:01 PM EDTFlash Flood WarningRLXDoddridge, Pleasants, Ritchie, Tyler, Wood4 hr

Nearby

Severe Thunderstorm Warnings in West Virginia, 2021Every severe thunderstorm warning 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.