Alert archive / West Virginia / Tornado Warnings in 2011

Tornado Warning 6, NWS Charleston, WV

April 24, 2011Pocahontas County, Randolph County, West Virginia

NWS Charleston, WV issued this tornado warning at Apr 24, 2011, 8:41 PM EDT for Pocahontas County, Randolph County, West Virginia. It was in force for 29 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: Apr 24, 2011, 8:41 PM EDT (00:41 UTC)
Expired: Apr 24, 2011, 9:10 PM EDT
In force: 29 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon

Counties Pocahontas County, WV, Randolph County, WV

The radar

The Charleston,WV radar (KRLX), 175 km from the middle of the area, began a volume at 00:42 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

Roanoke, VA (KRNK), launched 00:00Z, 0.7 hours before the alert went out and 156 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3309 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

652 
WFUS51 KRLX 250041
TORRLX
WVC075-083-250115-
/O.NEW.KRLX.TO.W.0006.110425T0041Z-110425T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
841 PM EDT SUN APR 24 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN POCAHONTAS COUNTY IN WEST VIRGINIA...
  SOUTHERN RANDOLPH COUNTY IN WEST VIRGINIA...

* UNTIL 915 PM EDT

* AT 837 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  MONTERVILLE...OR 13 MILES EAST OF WEBSTER SPRINGS...MOVING EAST AT
  35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MINGO...VALLEY HEAD...CHEAT BRIDGE...DURBIN...BOYER AND BARTOW.

.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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.

&&

LAT...LON 3866 7959 3865 7962 3861 7961 3858 7965
      3855 7967 3851 7966 3849 7969 3846 7969
      3845 8022 3853 8019 3863 8023 3876 7955
      3873 7955
TIME...MOT...LOC 0041Z 264DEG 30KT 3854 8015

$$

25

2 follow-up statements

918 
WWUS51 KRLX 250058
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
858 PM EDT SUN APR 24 2011

WVC075-083-250115-
/O.CON.KRLX.TO.W.0006.000000T0000Z-110425T0115Z/
POCAHONTAS WV-RANDOLPH WV-
858 PM EDT SUN APR 24 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR SOUTH
CENTRAL RANDOLPH AND NORTHEASTERN POCAHONTAS COUNTIES...

AT 856 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR VALLEY HEAD...OR 8
MILES NORTHWEST OF CASS SCENIC RAILROAD...MOVING EAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CHEAT
BRIDGE...DURBIN...BOYER AND BARTOW

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

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 3866 7959 3865 7962 3861 7961 3858 7965
      3855 7967 3851 7966 3849 7969 3846 7969
      3846 8003 3859 8008 3876 7955 3873 7955
TIME...MOT...LOC 0058Z 264DEG 30KT 3855 7997

$$

25

045 
WWUS51 KRLX 250110
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
910 PM EDT SUN APR 24 2011

WVC075-083-250119-
/O.CAN.KRLX.TO.W.0006.000000T0000Z-110425T0115Z/
POCAHONTAS WV-RANDOLPH WV-
910 PM EDT SUN APR 24 2011

...THE TORNADO WARNING FOR SOUTH CENTRAL RANDOLPH AND NORTHEASTERN
POCAHONTAS COUNTIES IS CANCELLED...

THE STORM HAS WEAKENED AND NO LONGER APPEARS TO CONTAIN SEVERE 
WEATHER. 

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 3866 7959 3865 7962 3861 7961 3858 7965
      3855 7967 3851 7966 3849 7969 3846 7969
      3846 8003 3859 8008 3876 7955 3873 7955
TIME...MOT...LOC 0109Z 264DEG 30KT 3856 7985

$$

25

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 8:04 PM EDT	Special Weather Statement	RLX	Roane	26 min
Apr 24, 8:10 PM EDT	Special Weather Statement	RLX	Webster	35 min
Apr 24, 8:12 PM EDT	Severe Thunderstorm Warning	RLX	Pocahontas, Randolph, Webster	33 min
Apr 24, 8:17 PM EDT	Tornado Warning	RLX	Pocahontas, Randolph, Webster	28 min
Apr 24, 10:50 PM EDT	Special Weather Statement	RLX	Randolph, Upshur	40 min
Apr 24, 10:57 PM EDT	Severe Thunderstorm Warning	RLX	Barbour, Pocahontas, Randolph, Upshur	36 min
Apr 25, 3:33 PM EDT	Severe Thunderstorm Warning	RLX	McDowell, Wyoming	27 min
Apr 25, 3:43 PM EDT	Severe Thunderstorm Warning	RLX	Logan, McDowell, Mingo, Wyoming	47 min
Apr 25, 4:29 PM EDT	Severe Thunderstorm Warning	RLX	Boone, Fayette, Kanawha, Raleigh, Wyoming	40 min
Apr 25, 4:52 PM EDT	Special Weather Statement	RLX	Fayette	23 min
Apr 25, 5:11 PM EDT	Special Weather Statement	RLX	Nicholas	34 min
Apr 25, 5:20 PM EDT	Special Weather Statement	RLX	Pocahontas	25 min
Apr 25, 5:32 PM EDT	Special Weather Statement	RLX	Pocahontas	28 min
Apr 25, 6:04 PM EDT	Special Weather Statement	RLX	Pocahontas	26 min

Nearby

Tornado Warnings in West Virginia, 2011 Every tornado warning in 2011 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.