Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 18, NWS Charleston, WV

April 9, 2021Randolph County, Upshur County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Apr 9, 2021, 11:46 AM EDT for Randolph County, Upshur County, West Virginia. It was in force for 28 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
Apr 9, 2021, 11:46 AM EDT (15:46 UTC)
Expired
Apr 9, 2021, 12:14 PM EDT
In force
28 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Randolph County, WV, Upshur County, WV

The radar

The Charleston,WV radar (KRLX), 146 km from the middle of the area, began a volume at 15:46 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
Apr 9, 11:53 AM EDTHAIL 0.75Eden, WVPEA SIZE HAIL COVERING THE GROUND, WITH PENNY SIZE HAIL MIXED IN.

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, 3.8 hours before the alert went out and 176 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 2021-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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 2021-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 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
16 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
837 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

357 
WUUS51 KRLX 091546
SVRRLX
WVC083-097-091630-
/O.NEW.KRLX.SV.W.0018.210409T1546Z-210409T1630Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
1146 AM EDT Fri Apr 9 2021

The National Weather Service in Charleston West Virginia has issued a

* Severe Thunderstorm Warning for...
  Northwestern Randolph County in northeastern West Virginia...
  Southern Upshur County in northeastern West Virginia...

* Until 1230 PM EDT.

* At 1144 AM EDT, a severe thunderstorm was located near Rock Cave,
  or 16 miles south of Buckhannon, moving northeast 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...
  Rock Cave, Beverly, Womelsdorf (Coalton), Alexander, Ellamore,
  Kanawha Head, Eden, Tallmansville, Alton and French Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3881 7986 3870 8033 3872 8033 3873 8036
      3873 8040 3876 8041 3885 8039 3897 8009
      3897 8007 3895 8006 3896 7995
TIME...MOT...LOC 1544Z 246DEG 20KT 3876 8034 

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

08
2 follow-up statements
196 
WWUS51 KRLX 091603
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
1203 PM EDT Fri Apr 9 2021

WVC083-097-091630-
/O.CON.KRLX.SV.W.0018.000000T0000Z-210409T1630Z/
Randolph WV-Upshur WV-
1203 PM EDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 PM EDT
FOR NORTHWESTERN RANDOLPH AND EAST CENTRAL UPSHUR COUNTIES...

At 1203 PM EDT, a severe thunderstorm was located 7 miles east of
Rock Cave, or 12 miles south of Buckhannon, moving northeast at 25
mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Beverly, Womelsdorf (Coalton), Tallmansville, Ellamore and Alton. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3881 7986 3879 8021 3887 8026 3897 8009
      3897 8007 3895 8006 3896 7995
TIME...MOT...LOC 1603Z 246DEG 20KT 3880 8021 

HAIL...0.75IN
WIND...60MPH
 
$$

08
633 
WWUS51 KRLX 091614
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
1214 PM EDT Fri Apr 9 2021

WVC083-097-091624-
/O.CAN.KRLX.SV.W.0018.000000T0000Z-210409T1630Z/
Randolph WV-Upshur WV-
1214 PM EDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN RANDOLPH AND EAST
CENTRAL UPSHUR COUNTIES IS CANCELLED...
                
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 has been cancelled.

LAT...LON 3881 7986 3879 8021 3887 8026 3897 8009
      3897 8007 3895 8006 3896 7995
TIME...MOT...LOC 1606Z 246DEG 20KT 3883 8013 

$$

08

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 10:20 PM EDTSpecial Weather StatementRLXWayne25 min
Apr 8, 10:45 PM EDTSpecial Weather StatementRLXLincoln30 min
Apr 9, 1:48 PM EDTSpecial Weather StatementRLXPocahontas42 min
Apr 9, 2:07 PM EDTSevere Thunderstorm WarningRLXPocahontas18 min
Apr 9, 4:40 PM EDTSpecial Weather StatementRLXRandolph35 min

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.