Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 12, NWS Charleston, WV

March 18, 20216 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Mar 18, 2021, 6:09 PM EDT for 6 counties in West Virginia. It was in force for 36 min. 4 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, 6:09 PM EDT (22:09 UTC)
Expired
Mar 18, 2021, 6:45 PM EDT
In force
36 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cabell County, WV, Kanawha County, WV, Lincoln County, WV, Mason County, WV, Putnam County, WV, Wayne County, WV

The radar

The Charleston,WV radar (KRLX), 45 km from the middle of the area, began a volume at 22:11 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, 6:14 PM EDTTSTM WND DMG4 Nnw West Hamlin, WVCORRECTS TIME FOR PREVIOUS TSTM WND DMG REPORT FROM 4 NNW WEST HAMLIN. TWO TREES DOWN AT INTERSECTION OF ROACH ROAD AND RT 10 DUE TO THUNDERSTORM ACTIVITY. TIME ESTIMATED BASED ON RADAR.
Mar 18, 6:15 PM EDTHAIL 0.42 W Milton, WVHAILING FOR 3 MINUTES AD COUNTING AT THE 618 PM TIME OF THE CALL, NEAR I-64 BETWEEN MILTON AND ONA. HAIL COVERING THE SIDEWALK. MOST HAILSTONES WERE 1 CENTIMETER BUT ABOUT A QUARTER OF THEM WERE ABOUT 1 CENTIMETER SIZE. PHOTOS SENT VIA SOCIAL MEDIA WITH METRIC
Mar 18, 6:30 PM EDTHAIL 0.51 N Teays Valley, WVPICTURE FROM SOCIAL MEDIA.
Mar 18, 6:34 PM EDTHAIL 0.52 Wnw Milton, WVPICTURES OF PEA SIZED UP TO HALF INCH HAIL FROM SOCIAL MEDIA.

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, 10.2 hours before the alert went out and 177 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.

585 
WUUS51 KRLX 182209
SVRRLX
WVC011-039-043-053-079-099-182245-
/O.NEW.KRLX.SV.W.0012.210318T2209Z-210318T2245Z/

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

The National Weather Service in Charleston West Virginia has issued a

* Severe Thunderstorm Warning for...
  Southern Mason County in western West Virginia...
  Cabell County in central West Virginia...
  Western Putnam County in western West Virginia...
  Western Kanawha County in central West Virginia...
  Northwestern Lincoln County in central West Virginia...
  Northeastern Wayne County in western West Virginia...

* Until 645 PM EDT.

* At 609 PM EDT, a severe thunderstorm was located over
  Barboursville, or 7 miles southeast of Proctorville, moving east 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...
  Huntington, Nitro, Winfield, Proctorville, St. Albans, Hurricane,
  Barboursville, Milton, Eleanor, Ona, Culloden, Tornado, Teays
  Valley, West Hamlin, Bancroft, Salt Rock, Pea Ridge and Fraziers
  Bottom.

This includes Interstate 64 in West Virginia between mile markers 13
and 46.
 
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 3844 8234 3845 8232 3847 8231 3862 8188
      3833 8178 3827 8233 3844 8240
TIME...MOT...LOC 2209Z 252DEG 24KT 3839 8227 

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

JP
1 follow-up statement
125 
WWUS51 KRLX 182251
SVSRLX

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

WVC011-039-043-053-079-099-182259-
/O.EXP.KRLX.SV.W.0012.000000T0000Z-210318T2245Z/
Mason WV-Cabell WV-Putnam WV-Kanawha WV-Lincoln WV-Wayne WV-
651 PM EDT Thu Mar 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MASON...CABELL...
WESTERN PUTNAM...WESTERN KANAWHA...NORTHWESTERN LINCOLN AND
NORTHEASTERN WAYNE COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been allowed to expire.  However small hail is still possible with
this thunderstorm.

LAT...LON 3844 8234 3845 8232 3847 8231 3862 8188
      3833 8178 3827 8233 3844 8240
TIME...MOT...LOC 2249Z 252DEG 24KT 3847 8195 

$$

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, 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, 6:15 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

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.