Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 89, NWS Charleston, WV

June 30, 2021Wood County, West Virginia; Washington County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Jun 30, 2021, 1:55 PM EDT for Wood County, West Virginia; Washington County, Ohio. It was in force for 35 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 30, 2021, 1:55 PM EDT (17:55 UTC)
Expired
Jun 30, 2021, 2:30 PM EDT
In force
35 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Washington County, OH, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 125 km from the middle of the area, began a volume at 17:55 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 nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 5.9 hours before the alert went out and 157 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 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 807 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 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
807 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1240 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

831 
WUUS51 KRLX 301755
SVRRLX
OHC167-WVC107-301830-
/O.NEW.KRLX.SV.W.0089.210630T1755Z-210630T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
155 PM EDT Wed Jun 30 2021

The National Weather Service in Charleston West Virginia has issued a

* Severe Thunderstorm Warning for...
  Central Washington County in southeastern Ohio...
  North central Wood County in northwestern West Virginia...

* Until 230 PM EDT.

* At 154 PM EDT, severe thunderstorms were located along a line
  extending from 6 miles north of Marietta to Williamstown to
  Parkersburg, moving east at 20 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Marietta, Vienna, Williamstown, Boaz, Newport, North Hills, Lowell,
  Lower Salem, Waverly and Devola.

This includes the following highways...
 Interstate 77 in West Virginia between mile markers 181 and 186.
 Interstate 77 in Ohio between mile markers 1 and 11.

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 3939 8123 3939 8127 3934 8135 3934 8137
      3933 8137 3930 8158 3937 8161 3956 8153
      3958 8127
TIME...MOT...LOC 1754Z 257DEG 17KT 3952 8144 3939 8147 3929 8153 

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

19
2 follow-up statements
664 
WWUS51 KRLX 301814
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
214 PM EDT Wed Jun 30 2021

OHC167-WVC107-301830-
/O.CON.KRLX.SV.W.0089.000000T0000Z-210630T1830Z/
Washington OH-Wood WV-
214 PM EDT Wed Jun 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR CENTRAL WASHINGTON AND NORTH CENTRAL WOOD COUNTIES...

At 213 PM EDT, severe thunderstorms were located along a line
extending from 11 miles north of Belmont to near Marietta to near
Boaz, moving east at 20 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Marietta, Williamstown, Boaz, Newport, Lower Salem, Waverly and
Devola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3939 8123 3939 8127 3934 8135 3934 8137
      3933 8137 3931 8150 3941 8148 3956 8148
      3958 8127
TIME...MOT...LOC 1813Z 270DEG 17KT 3954 8132 3941 8135 3931 8141 

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

19
134 
WWUS51 KRLX 301825
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
225 PM EDT Wed Jun 30 2021

OHC167-WVC107-301835-
/O.EXP.KRLX.SV.W.0089.000000T0000Z-210630T1830Z/
Washington OH-Wood WV-
225 PM EDT Wed Jun 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WASHINGTON AND NORTH
CENTRAL WOOD COUNTIES WILL EXPIRE AT 230 PM EDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose 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 these thunderstorms.

LAT...LON 3939 8123 3939 8127 3934 8135 3934 8137
      3933 8137 3931 8150 3941 8148 3956 8148
      3958 8127
TIME...MOT...LOC 1825Z 270DEG 17KT 3955 8126 3942 8129 3932 8136 

$$

19

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 12:04 PM EDTSpecial Weather StatementRLXClay26 min
Jun 30, 12:05 PM EDTSpecial Weather StatementRLXKanawha25 min
Jun 30, 12:42 PM EDTFlash Flood WarningRLXBoone, Lincoln3 hr
Jun 30, 12:55 PM EDTSpecial Weather StatementRLXUpshur35 min
Jun 30, 2:09 PM EDTFlash Flood WatchRLXBarbour, Boone, Braxton, Cabell, Calhoun, Clay and 28 more39 hr
Jun 30, 2:22 PM EDTSpecial Weather StatementRLXPleasants23 min
Jun 30, 2:44 PM EDTSpecial Weather StatementRLXDoddridge, Pleasants, Tyler31 min
Jun 30, 2:46 PM EDTSpecial Weather StatementRLXUpshur29 min
Jun 30, 3:14 PM EDTSpecial Weather StatementRLXTyler31 min
Jun 30, 3:59 PM EDTAreal Flood WarningRLXBoone64 min
Jun 30, 4:07 PM EDTSpecial Weather StatementRLXWayne38 min
Jun 30, 4:21 PM EDTFlash Flood WarningRLXWayne2 hr
Jun 30, 4:41 PM EDTSpecial Weather StatementRLXCabell49 min
Jun 30, 11:59 AM EDTSpecial Weather StatementRLXPerry31 min
Jun 30, 12:24 PM EDTSpecial Weather StatementRLXMorgan36 min
Jun 30, 1:04 PM EDTSpecial Weather StatementRLXMorgan26 min
Jun 30, 1:31 PM EDTSpecial Weather StatementRLXMeigs29 min
Jun 30, 1:38 PM EDTSpecial Weather StatementRLXWashington22 min
Jun 30, 5:14 PM EDTSpecial Weather StatementRLXAthens, Vinton46 min
Jun 30, 5:40 PM EDTSevere Thunderstorm WarningRLXAthens37 min
Jun 30, 5:50 PM EDTFlash Flood WarningRLXAthens4 hr
Jun 30, 6:25 PM EDTSpecial Weather StatementRLXMorgan35 min
Jun 30, 7:25 PM EDTSpecial Weather StatementRLXVinton35 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2021Severe Thunderstorm Warnings in Ohio, 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.