Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 3, NWS Charleston, WV

March 18, 2021Jackson County, Mason County, West Virginia; Gallia County, Lawrence County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Mar 18, 2021, 3:06 PM EDT for Jackson County, Mason County, West Virginia; Gallia County, Lawrence County, Ohio. It was in force for 39 min. 3 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
Mar 18, 2021, 3:06 PM EDT (19:06 UTC)
Expired
Mar 18, 2021, 3:45 PM EDT
In force
39 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Gallia County, OH, Lawrence County, OH, Jackson County, WV, Mason County, WV

The radar

The Charleston,WV radar (KRLX), 66 km from the middle of the area, began a volume at 19:06 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
Mar 18, 3:13 PM EDTHAIL 0.25Point Pleasant, WVPEA SIZE HAIL. OBSERVER TIME CORROBORATED WITH RADAR.
Mar 18, 3:18 PM EDTHAIL 0.252 Sw Gallipolis, OHPEA SIZE HAIL. OBSERVER TIME CORROBORATED WITH RADAR.
Mar 18, 3:20 PM EDTHAIL 0.25Gallipolis, OHPEA SIZE HAIL. OBSERVER TIME CORROBORATED WITH RADAR.

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.1 hours before the alert went out and 161 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, Cncnati-Daytn, OH at 12:00Z on 2021-03-18Temperature 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, Cncnati-Daytn, OH at 12:00Z on 2021-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.1939587897Sfc1 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
531 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

997 
WUUS51 KRLX 181906
SVRRLX
OHC053-087-WVC035-053-181945-
/O.NEW.KRLX.SV.W.0003.210318T1906Z-210318T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
306 PM EDT Thu Mar 18 2021

The National Weather Service in Charleston West Virginia has issued a

* Severe Thunderstorm Warning for...
  Southern Gallia County in southeastern Ohio...
  East central Lawrence County in southeastern Ohio...
  Mason County in western West Virginia...
  West central Jackson County in northwestern West Virginia...

* Until 345 PM EDT.

* At 306 PM EDT, a severe thunderstorm was located 12 miles southwest
  of Gallipolis, moving northeast 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...
  Point Pleasant, Gallipolis, Crown City, Henderson, Leon, Cheshire,
  Mount Alto, Gallopolis Ferry, Lakin, Southside, Ashton and Letart.

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 3901 8211 3900 8210 3897 8209 3899 8205
      3890 8192 3889 8193 3887 8188 3879 8180
      3859 8223 3860 8227 3857 8229 3854 8235
      3869 8248
TIME...MOT...LOC 1906Z 236DEG 28KT 3866 8233 

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

JP
2 follow-up statements
050 
WWUS51 KRLX 181921
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
321 PM EDT Thu Mar 18 2021

OHC087-181930-
/O.CAN.KRLX.SV.W.0003.000000T0000Z-210318T1945Z/
Lawrence OH-
321 PM EDT Thu Mar 18 2021

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

LAT...LON 3901 8212 3900 8210 3897 8209 3899 8205
      3890 8192 3889 8193 3887 8188 3879 8180
      3859 8223 3860 8227 3858 8229 3859 8236
      3867 8235 3869 8248
TIME...MOT...LOC 1920Z 236DEG 28KT 3872 8221 

$$

OHC053-WVC035-053-181945-
/O.CON.KRLX.SV.W.0003.000000T0000Z-210318T1945Z/
Gallia OH-Mason WV-Jackson WV-
321 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHERN GALLIA...MASON AND WEST CENTRAL JACKSON COUNTIES...

At 320 PM EDT, a severe thunderstorm was located near Gallipolis,
moving northeast at 30 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Point Pleasant, Gallipolis, Crown City, Henderson, Leon, Cheshire,
Mount Alto, Lakin, Southside, Ashton, Gallopolis Ferry, Letart and
Kyger.

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 3901 8212 3900 8210 3897 8209 3899 8205
      3890 8192 3889 8193 3887 8188 3879 8180
      3859 8223 3860 8227 3858 8229 3859 8236
      3867 8235 3869 8248
TIME...MOT...LOC 1920Z 236DEG 28KT 3872 8221 

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

JP
859 
WWUS51 KRLX 181944
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
344 PM EDT Thu Mar 18 2021

OHC053-WVC035-053-181954-
/O.EXP.KRLX.SV.W.0003.000000T0000Z-210318T1945Z/
Gallia OH-Mason WV-Jackson WV-
344 PM EDT Thu Mar 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN GALLIA...MASON AND
WEST CENTRAL JACKSON COUNTIES WILL EXPIRE AT 345 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 are still possible with this thunderstorm.

LAT...LON 3901 8212 3900 8210 3897 8209 3899 8205
      3890 8192 3889 8193 3887 8188 3879 8180
      3859 8223 3860 8227 3858 8229 3859 8236
      3867 8235 3869 8248
TIME...MOT...LOC 1944Z 236DEG 28KT 3881 8203 

$$

JP

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 12:34 PM EDTSpecial Weather StatementRLXCabell, Wayne41 min
Mar 18, 1:24 PM EDTSpecial Weather StatementRLXJackson, Putnam36 min
Mar 18, 1:58 PM EDTSpecial Weather StatementRLXPutnam32 min
Mar 18, 2:00 PM EDTSevere Thunderstorm WarningRLXWayne30 min
Mar 18, 2:29 PM EDTSpecial Weather StatementRLXRoane31 min
Mar 18, 2:30 PM EDTSpecial Weather StatementRLXCabell45 min
Mar 18, 2:48 PM EDTSpecial Weather StatementRLXBoone, Kanawha27 min
Mar 18, 2:54 PM EDTSpecial Weather StatementRLXLogan, Mingo36 min
Mar 18, 2:56 PM EDTSpecial Weather StatementRLXWayne34 min
Mar 18, 3:05 PM EDTSpecial Weather StatementRLXRoane25 min
Mar 18, 3:11 PM EDTSevere Thunderstorm WarningRLXCabell, Lincoln, Wayne34 min
Mar 18, 3:32 PM EDTSpecial Weather StatementRLXLogan43 min
Mar 18, 3:43 PM EDTSevere Thunderstorm WarningRLXLincoln, Wayne47 min
Mar 18, 3:59 PM EDTSpecial Weather StatementRLXMingo46 min
Mar 18, 4:13 PM EDTSevere Thunderstorm WarningRLXMingo47 min
Mar 18, 4:23 PM EDTSpecial Weather StatementRLXLincoln37 min
Mar 18, 4:32 PM EDTSpecial Weather StatementRLXJackson, Wirt28 min
Mar 18, 4:36 PM EDTSpecial Weather StatementRLXDoddridge, Ritchie, Tyler24 min
Mar 18, 4:44 PM EDTSevere Thunderstorm WarningRLXLogan, Mingo46 min
Mar 18, 4:58 PM EDTSevere Thunderstorm WarningRLXMason47 min
Mar 18, 5:23 PM EDTSpecial Weather StatementRLXLogan52 min
Mar 18, 5:33 PM EDTSevere Thunderstorm WarningRLXJackson, Mason, Putnam42 min
Mar 18, 5:43 PM EDTSevere Thunderstorm WarningRLXJackson, Mason47 min
Mar 18, 5:54 PM EDTSpecial Weather StatementRLXCabell36 min
Mar 18, 5:56 PM EDTSevere Thunderstorm WarningRLXRaleigh, Wyoming34 min
Mar 18, 6:09 PM EDTSevere Thunderstorm WarningRLXCabell, Kanawha, Lincoln, Mason, Putnam, Wayne36 min
Mar 18, 6:15 PM EDTSevere Thunderstorm WarningRLXJackson, Kanawha, Mason, Putnam, Roane30 min
Mar 18, 6:23 PM EDTFlash Flood WarningRLXWyoming112 min
Mar 18, 6:30 PM EDTSevere Thunderstorm WarningRLXRaleigh, Wyoming45 min
Mar 18, 6:43 PM EDTSevere Thunderstorm WarningRLXCabell, Kanawha, Lincoln, Putnam29 min
Mar 18, 7:14 PM EDTSevere Thunderstorm WarningRLXRaleigh31 min
Mar 18, 7:22 PM EDTSpecial Weather StatementRLXLincoln, Wayne23 min
Mar 18, 7:36 PM EDTSpecial Weather StatementRLXKanawha39 min
Mar 18, 7:54 PM EDTSpecial Weather StatementRLXLincoln, Wayne36 min
Mar 18, 7:54 PM EDTSpecial Weather StatementRLXBraxton36 min
Mar 18, 2:18 PM EDTSpecial Weather StatementRLXGallia, Meigs42 min
Mar 18, 3:27 PM EDTSpecial Weather StatementRLXAthens, Meigs33 min
Mar 18, 4:16 PM EDTSpecial Weather StatementRLXLawrence44 min
Mar 18, 5:53 PM EDTFlash Flood WarningRLXGallia112 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.