Alert archive / West Virginia / Tornado Warnings in 2011

Tornado Warning 8, NWS Charleston, WV

April 27, 2011McDowell County, Raleigh County, Wyoming County, West Virginia

NWS Charleston, WV issued this tornado warning at Apr 27, 2011, 10:28 PM EDT for McDowell County, Raleigh County, Wyoming County, West Virginia. It was in force for 32 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 27, 2011, 10:28 PM EDT (02:28 UTC)
Expired: Apr 27, 2011, 11:00 PM EDT
In force: 32 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon

Counties McDowell County, WV, Raleigh County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 109 km from the middle of the area, began a volume at 02:30 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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 27, 5:44 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 2.5 hours before the alert went out and 174 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: 372 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1272 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 226 m²/s²
0-3 km storm-relative helicity: 335 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

490 
WFUS51 KRLX 280228
TORRLX
WVC047-081-109-280300-
/O.NEW.KRLX.TO.W.0008.110428T0228Z-110428T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
1028 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN MCDOWELL COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF WELCH...
  SOUTH CENTRAL RALEIGH COUNTY IN WEST VIRGINIA...
  SOUTHEASTERN WYOMING COUNTY IN WEST VIRGINIA...

* UNTIL 1100 PM EDT

* AT 1021 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES SOUTH
  OF WAR...OR 8 MILES NORTHEAST OF RICHLANDS...MOVING NORTHEAST AT 65
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  GARY...NORTHFORK AND MULLENS.


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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM EDT THURSDAY MORNING
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA AND
CENTRAL WEST VIRGINIA.

&&

LAT...LON 3724 8174 3728 8175 3764 8139 3756 8119
      3751 8121 3746 8130 3742 8128 3741 8131
      3732 8136 3727 8142 3724 8149 3720 8156
      3719 8167
TIME...MOT...LOC 0228Z 223DEG 55KT 3723 8159

$$

14

1 follow-up statement

606 
WWUS51 KRLX 280244
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1044 PM EDT WED APR 27 2011

WVC047-081-109-280300-
/O.CON.KRLX.TO.W.0008.000000T0000Z-110428T0300Z/
RALEIGH WV-MCDOWELL WV-WYOMING WV-
1044 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR
SOUTHEASTERN WYOMING...EASTERN MCDOWELL AND SOUTH CENTRAL RALEIGH
COUNTIES...

AT 1039 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR ANAWALT...OR 9
MILES SOUTHEAST OF WELCH...MOVING NORTHEAST AT 65 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HERNDON
AND MULLENS

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM EDT THURSDAY MORNING
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA 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 3724 8161 3729 8163 3735 8166 3764 8139
      3756 8119 3751 8121 3746 8130 3742 8128
      3741 8131 3732 8136 3727 8142 3724 8149
      3720 8156
TIME...MOT...LOC 0244Z 223DEG 55KT 3741 8138

$$

30

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 9:23 PM EDT	Special Weather Statement	RLX	Raleigh, Wyoming	52 min
Apr 27, 9:30 PM EDT	Severe Thunderstorm Warning	RLX	Fayette, Raleigh, Wyoming	60 min
Apr 27, 9:39 PM EDT	Special Weather Statement	RLX	Boone, Clay, Fayette, Kanawha, Lincoln, Logan and 6 more	111 min
Apr 27, 9:53 PM EDT	Severe Thunderstorm Warning	RLX	Braxton, Clay, Fayette, Kanawha, Nicholas	37 min
Apr 27, 10:23 PM EDT	Severe Thunderstorm Warning	RLX	McDowell, Raleigh, Wyoming	37 min
Apr 27, 10:34 PM EDT	Tornado Warning	RLX	Fayette, Nicholas, Pocahontas, Webster	41 min
Apr 27, 10:56 PM EDT	Severe Thunderstorm Warning	RLX	Fayette, McDowell, Raleigh, Wyoming	49 min
Apr 27, 11:15 PM EDT	Severe Thunderstorm Warning	RLX	Barbour, Pocahontas, Randolph, Webster	60 min
Apr 27, 11:50 PM EDT	Severe Thunderstorm Warning	RLX	Pocahontas	55 min
Apr 28, 12:14 AM EDT	Special Weather Statement	RLX	Boone, Cabell, Fayette, Kanawha, Lincoln, Logan and 7 more	3 hr
Apr 28, 12:32 AM EDT	Severe Thunderstorm Warning	RLX	Pocahontas, Randolph	43 min
Apr 28, 12:39 AM EDT	Special Weather Statement	RLX	Barbour, Braxton, Clay, Fayette, Lewis, Nicholas and 6 more	3 hr
Apr 28, 3:03 AM EDT	Special Weather Statement	RLX	Barbour, Pocahontas, Randolph, Upshur, Webster	3 hr
Apr 28, 5:59 AM EDT	Special Weather Statement	RLX	Barbour, Braxton, Lewis, Nicholas, Pocahontas, Randolph and 3 more	106 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.