Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 68, NWS Charleston, WV

June 21, 20214 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jun 21, 2021, 12:40 PM EDT for 4 counties in West Virginia. It was in force for 50 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
Jun 21, 2021, 12:40 PM EDT (16:40 UTC)
Expired
Jun 21, 2021, 1:30 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, Gilmer County, WV, Lewis County, WV

The radar

The Charleston,WV radar (KRLX), 106 km from the middle of the area, began a volume at 16:43 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
Jun 21, 12:45 PM EDTTSTM WND DMG5 E Grantsville, WVTREES DOWN APPROX 11 MILES UP ROUTE 5W FROM GLENVILLE.
Jun 21, 1:00 PM EDTTSTM WND DMG1 Ene Glenville, WVTREES DOWN ON ROUTE 33E.

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

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

Pittsburgh, PA (KPIT), launched 12:00Z, 4.7 hours before the alert went out and 170 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 2021-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 931 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 2021-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 260 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
931 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
988 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
260 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
1.0
Supercell composite
5.1

Open this sounding in Storm Lab

The text

As transmitted.

031 
WUUS51 KRLX 211640
SVRRLX
WVC007-013-021-041-211730-
/O.NEW.KRLX.SV.W.0068.210621T1640Z-210621T1730Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
1240 PM EDT Mon Jun 21 2021

The National Weather Service in Charleston West Virginia has issued a

* Severe Thunderstorm Warning for...
  Northeastern Calhoun County in north central West Virginia...
  Gilmer County in north central West Virginia...
  West central Lewis County in northern West Virginia...
  North central Braxton County in north central West Virginia...

* Until 130 PM EDT.

* At 1239 PM EDT, a severe thunderstorm was located near Grantsville,
  moving east at 25 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...
  Glenville, Grantsville, Cedar Creek State Park, Sand Fork, Baldwin,
  Stouts Mills, Troy, Newberne, Coxs Mills, Linn, Big Springs,
  Tanner, Cedarville and Normantown.

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 3909 8070 3878 8071 3888 8112 3900 8109
      3902 8104 3901 8100 3904 8096 3905 8092
      3904 8092 3905 8090 3910 8074
TIME...MOT...LOC 1639Z 271DEG 22KT 3893 8104 

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

14
2 follow-up statements
663 
WWUS51 KRLX 211705
SVSRLX

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

WVC013-211714-
/O.CAN.KRLX.SV.W.0068.000000T0000Z-210621T1730Z/
Calhoun WV-
105 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN 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
northern and north central West Virginia.

LAT...LON 3909 8070 3878 8071 3887 8098 3892 8099
      3894 8098 3896 8096 3899 8095 3902 8091
      3903 8090 3905 8090 3910 8074
TIME...MOT...LOC 1704Z 271DEG 22KT 3893 8084 

$$

WVC007-021-041-211730-
/O.CON.KRLX.SV.W.0068.000000T0000Z-210621T1730Z/
Gilmer WV-Lewis WV-Braxton WV-
105 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM EDT
FOR GILMER...WEST CENTRAL LEWIS AND NORTH CENTRAL BRAXTON COUNTIES...

At 104 PM EDT, a severe thunderstorm was located over Glenville,
moving east at 25 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...
Glenville, Cedar Creek State Park, Sand Fork, Newberne, Baldwin, Coxs
Mills, Linn, Stouts Mills, Tanner, Cedarville and Troy.

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 3909 8070 3878 8071 3887 8098 3892 8099
      3894 8098 3896 8096 3899 8095 3902 8091
      3903 8090 3905 8090 3910 8074
TIME...MOT...LOC 1704Z 271DEG 22KT 3893 8084 

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

14
850 
WWUS51 KRLX 211721
SVSRLX

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

WVC007-021-041-211731-
/O.EXP.KRLX.SV.W.0068.000000T0000Z-210621T1730Z/
Gilmer WV-Lewis WV-Braxton WV-
121 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR GILMER...WEST CENTRAL LEWIS
AND NORTH CENTRAL BRAXTON COUNTIES WILL EXPIRE AT 130 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. 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
northern and north central West Virginia.

LAT...LON 3909 8070 3878 8071 3887 8098 3892 8099
      3894 8098 3896 8096 3899 8095 3902 8091
      3903 8090 3905 8090 3910 8074
TIME...MOT...LOC 1721Z 271DEG 22KT 3893 8072 

$$

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, 12:57 PM EDTSevere Thunderstorm WarningRLXClay, Fayette, Kanawha33 min
Jun 21, 1:15 PM EDTSevere Thunderstorm WarningRLXBoone, Logan, Wyoming24 min
Jun 21, 1:25 PM EDTSevere Thunderstorm WarningRLXBraxton, Calhoun, Clay, Kanawha, Nicholas, Roane50 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.