Alert archive / West Virginia / Tornado Warnings in 2011

Tornado Warning 4, NWS Charleston, WV

April 23, 2011Gallia County, Lawrence County, Ohio; Cabell County, Mason County, Putnam County, West Virginia

NWS Charleston, WV issued this tornado warning at Apr 23, 2011, 5:34 PM EDT for Gallia County, Lawrence County, Ohio; Cabell County, Mason County, Putnam County, West Virginia. It was in force for 26 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 23, 2011, 5:34 PM EDT (21:34 UTC)
Expired
Apr 23, 2011, 6:00 PM EDT
In force
26 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

Counties Gallia County, OH, Lawrence County, OH, Cabell County, WV, Mason County, WV, Putnam County, WV

The radar

The Charleston,WV radar (KRLX), 51 km from the middle of the area, began a volume at 21:34 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 23, 5:38 PM EDTTSTM WND DMGAthalia, OHMETAL ROOF ROLLED UP ALLOWING WATER DAMAGE TO HOUSE.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 23, 4:39 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.6 hours before the alert went out and 168 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 2011-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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, Cncnati-Daytn, OH at 12:00Z on 2011-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 405 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
25 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
544 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
405 m²/s²
0-3 km storm-relative helicity
323 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

180 
WFUS51 KRLX 232134
TORRLX
OHC053-087-WVC011-053-079-232200-
/O.NEW.KRLX.TO.W.0004.110423T2134Z-110423T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
534 PM EDT SAT APR 23 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CABELL COUNTY IN WEST VIRGINIA...
  SOUTHWESTERN MASON COUNTY IN WEST VIRGINIA...
  NORTHWESTERN PUTNAM COUNTY IN WEST VIRGINIA...
  SOUTHERN GALLIA COUNTY IN SOUTHEAST OHIO...
  EAST CENTRAL LAWRENCE COUNTY IN SOUTHEAST OHIO...

* UNTIL 600 PM EDT

* AT 529 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 24 MILES WEST OF
  BUFFALO...OR 10 MILES NORTH OF PROCTORVILLE...MOVING EAST AT 45
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ELEANOR.

THIS WILL IMPACT THE FOLLOWING INTERSTATE...I-64 NEAR MILE MARKER 37
IN WEST VIRGINIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

PLEASE REPORT TORNADOES...HAIL OR STRONG WINDS TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO
SO SAFELY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
SATURDAY EVENING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL
WEST VIRGINIA.

&&

LAT...LON 3873 8195 3846 8193 3849 8249 3868 8248
TIME...MOT...LOC 2134Z 262DEG 38KT 3858 8236

$$

09
3 follow-up statements
412 
WWUS51 KRLX 232142
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
542 PM EDT SAT APR 23 2011

OHC053-087-WVC011-053-079-232200-
/O.CON.KRLX.TO.W.0004.000000T0000Z-110423T2200Z/
GALLIA OH-LAWRENCE OH-PUTNAM WV-MASON WV-CABELL WV-
542 PM EDT SAT APR 23 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR EAST
CENTRAL LAWRENCE AND SOUTH CENTRAL GALLIA COUNTIES IN SOUTHEAST
OHIO...AND NORTHEASTERN CABELL...SOUTHWESTERN MASON AND NORTHWESTERN
PUTNAM COUNTIES IN WEST VIRGINIA...

AT 538 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR CROWN CITY...OR 11
MILES NORTH OF PROCTORVILLE...MOVING EAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ASHTON...SOUTHSIDE...GRIMMS LANDING...FRAZIERS BOTTOM AND BUFFALO

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
SATURDAY EVENING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL
WEST VIRGINIA.

&&

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3870 8232 3873 8195 3846 8193 3848 8239
TIME...MOT...LOC 2142Z 262DEG 38KT 3859 8225

$$

09
143 
WWUS51 KRLX 232150
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
550 PM EDT SAT APR 23 2011

OHC087-232201-
/O.CAN.KRLX.TO.W.0004.000000T0000Z-110423T2200Z/
LAWRENCE OH-
550 PM EDT SAT APR 23 2011

...THE TORNADO WARNING FOR EAST CENTRAL LAWRENCE COUNTY IN SOUTHEAST
OHIO IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
SATURDAY EVENING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL
WEST VIRGINIA.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3871 8221 3873 8195 3846 8193 3847 8223
TIME...MOT...LOC 2151Z 262DEG 38KT 3859 8213

$$

OHC053-WVC011-053-079-232200-
/O.CON.KRLX.TO.W.0004.000000T0000Z-110423T2200Z/
GALLIA OH-PUTNAM WV-MASON WV-CABELL WV-
550 PM EDT SAT APR 23 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR
NORTHEASTERN CABELL...SOUTHWESTERN MASON...NORTHWESTERN PUTNAM AND
SOUTHEASTERN GALLIA COUNTIES...

AT 548 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR ASHTON...OR 15
MILES NORTHEAST OF PROCTORVILLE...MOVING EAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SOUTHSIDE...GRIMMS LANDING...FRAZIERS BOTTOM AND BUFFALO

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
SATURDAY EVENING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL
WEST VIRGINIA.

&&

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3871 8221 3873 8195 3846 8193 3847 8223
TIME...MOT...LOC 2151Z 262DEG 38KT 3859 8213

$$

09
662 
WWUS51 KRLX 232200
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
600 PM EDT SAT APR 23 2011

OHC053-WVC011-053-079-232209-
/O.EXP.KRLX.TO.W.0004.000000T0000Z-110423T2200Z/
GALLIA OH-PUTNAM WV-MASON WV-CABELL WV-
600 PM EDT SAT APR 23 2011

...THE TORNADO WARNING FOR NORTHEASTERN CABELL...SOUTHWESTERN
MASON...NORTHWESTERN PUTNAM AND SOUTHEASTERN GALLIA COUNTIES WILL
EXPIRE AT 600 PM EDT...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED AND NO
LONGER POSES A TORNADIC THREAT...THEREFORE THE TORNADO WARNING HAS
BEEN ALLOWED TO EXPIRE.

HOWEVER...HAIL AND STRONG WINDS ARE STILL POSSIBLE WITH THIS STORM. 

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
SATURDAY EVENING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL
WEST VIRGINIA.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3871 8221 3873 8195 3846 8193 3847 8223
TIME...MOT...LOC 2159Z 262DEG 38KT 3860 8202

$$

09

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 9:29 PM EDTAreal Flood WarningRLXGallia, Lawrence3 hr
Apr 23, 3:16 AM EDTSpecial Weather StatementRLXAthens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more119 min
Apr 23, 6:19 AM EDTFlash Flood WarningRLXGallia, Lawrence3 hr
Apr 23, 7:03 AM EDTSevere Thunderstorm WarningRLXLawrence42 min
Apr 23, 7:35 AM EDTSpecial Weather StatementRLXGallia, Lawrence55 min
Apr 23, 12:13 PM EDTAreal Flood WarningRLXGallia, Jackson, Lawrence6 hr
Apr 23, 4:27 PM EDTSevere Thunderstorm WarningRLXLawrence48 min
Apr 23, 4:42 PM EDTSevere Thunderstorm WarningRLXLawrence48 min
Apr 23, 4:53 PM EDTSpecial Weather StatementRLXJackson, Meigs37 min
Apr 23, 5:12 PM EDTSevere Thunderstorm WarningRLXGallia, Lawrence63 min
Apr 23, 5:21 PM EDTSevere Thunderstorm WarningRLXLawrence54 min
Apr 23, 6:08 PM EDTAreal Flood WarningRLXGallia, Jackson, Lawrence6 hr
Apr 22, 8:34 PM EDTSpecial Weather StatementRLXClay, Kanawha41 min
Apr 23, 6:05 PM EDTSevere Thunderstorm WarningRLXBraxton, Calhoun, Clay, Fayette, Jackson, Kanawha and 3 more55 min
Apr 23, 6:19 PM EDTSevere Thunderstorm WarningRLXBoone, Fayette, Kanawha, Lincoln, Nicholas20 min
Apr 23, 6:56 PM EDTSevere Thunderstorm WarningRLXBraxton, Calhoun, Clay, Fayette, Gilmer, Kanawha and 7 more64 min

Nearby

Tornado Warnings in West Virginia, 2011Tornado Warnings in Ohio, 2011Every tornado warning in 2011Tornadoes in 2011

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.