Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 8, NWS Charleston, WV

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

NWS Charleston, WV issued this severe thunderstorm warning at Mar 18, 2021, 4:58 PM EDT for Mason County, West Virginia; Gallia County, Ohio. It was in force for 47 min. 8 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, 4:58 PM EDT (20:58 UTC)
Expired
Mar 18, 2021, 5:45 PM EDT
In force
47 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Gallia County, OH, Mason County, WV

The radar

The Charleston,WV radar (KRLX), 67 km from the middle of the area, began a volume at 20:58 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, 5:04 PM EDTHAIL 1.59 Wsw Gallipolis, OHMEASURED, PICTURE PROVIDED. REPORTED UP TO ONE HALF INCH HAIL 10 MINUTES EARLIER. HAIL STOPPED AND STARTED AGAIN.
Mar 18, 5:10 PM EDTHAIL 0.7Gallipolis, OHPEA TO MAYBE DIME SIZE HAIL JUST OUTSIDE OF GALLIPOLIS. OBSERVER TIME CORROBORATED WITH RADAR.
Mar 18, 5:24 PM EDTHAIL 0.51 Sw Gallipolis, OHREPORT FROM MPING: HALF-INCH (0.50 IN.).
Mar 18, 5:25 PM EDTHAIL 0.52 Sw Gallipolis, OHREPORT FROM MPING: HALF-INCH (0.50 IN.).
Mar 18, 5:29 PM EDTHAIL 0.51 Sw Gallipolis, OH
Mar 18, 5:30 PM EDTHAIL 0.52 Sw Gallipolis, OHREPORT FROM SOCIAL MEDIA OF SOME PEA SIZED UP TO HALF INCH HAIL.
Mar 18, 5:38 PM EDTHAIL 1.251 Sw Gallipolis, OHREPORT FROM MPING: HALF DOLLAR (1.25 IN.).
Mar 18, 5:40 PM EDTHAIL 1.25Gallipolis, OHPICTURE FROM SOCIAL MEDIA OF 1.25 INCH HAIL.

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, 9.0 hours before the alert went out and 152 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.

619 
WUUS51 KRLX 182058
SVRRLX
OHC053-WVC053-182145-
/O.NEW.KRLX.SV.W.0008.210318T2058Z-210318T2145Z/

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

The National Weather Service in Charleston West Virginia has issued a

* Severe Thunderstorm Warning for...
  Central Gallia County in southeastern Ohio...
  Northwestern Mason County in western West Virginia...

* Until 545 PM EDT.

* At 457 PM EDT, a severe thunderstorm was located 9 miles southwest
  of Gallipolis, moving northeast at 20 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, Henderson, Leon and Gallopolis Ferry. 

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 3875 8243 3896 8207 3875 8191 3863 8234
      3866 8236 3867 8235 3868 8237
TIME...MOT...LOC 2057Z 242DEG 19KT 3871 8229 

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

JP
2 follow-up statements
938 
WWUS51 KRLX 182108
SVSRLX

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

OHC053-WVC053-182145-
/O.CON.KRLX.SV.W.0008.000000T0000Z-210318T2145Z/
Gallia OH-Mason WV-
508 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR SOUTHEASTERN GALLIA AND NORTHWESTERN MASON COUNTIES...

At 507 PM EDT, a severe thunderstorm was located near Gallipolis,
moving northeast at 20 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Trained weather spotters.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Point Pleasant, Gallipolis, Henderson, Leon and Gallopolis Ferry. 

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 3876 8239 3896 8207 3875 8191 3864 8232
      3866 8236 3867 8235 3868 8237
TIME...MOT...LOC 2107Z 242DEG 19KT 3874 8223 

HAIL...1.50IN
WIND...60MPH
 
$$

JP
559 
WWUS51 KRLX 182145
SVSRLX

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

OHC053-WVC053-182155-
/O.EXP.KRLX.SV.W.0008.000000T0000Z-210318T2145Z/
Gallia OH-Mason WV-
545 PM EDT Thu Mar 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GALLIA AND
NORTHWESTERN MASON COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.

LAT...LON 3876 8239 3896 8207 3875 8191 3864 8232
      3866 8236 3867 8235 3868 8237
TIME...MOT...LOC 2145Z 242DEG 19KT 3883 8201 

$$

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, 3:06 PM EDTSevere Thunderstorm WarningRLXJackson, Mason39 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, 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.