Alert archive / West Virginia / Tornado Warnings in 2011

Tornado Warning 36, NWS Blacksburg, VA

April 27, 2011Greenbrier County, West Virginia

NWS Blacksburg, VA issued this tornado warning at Apr 27, 2011, 10:32 PM EDT for Greenbrier County, West Virginia. It was in force for 43 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 27, 2011, 10:32 PM EDT (02:32 UTC)
Expired
Apr 27, 2011, 11:15 PM EDT
In force
43 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon

County Greenbrier County, WV

The radar

The Charleston,WV radar (KRLX), 96 km from the middle of the area, began a volume at 02:35 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 27, 10:39 PM EDTTSTM WND DMGBingham, WVSEVERAL TREES DOWN NEAR BINGHAM VW.

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 27, 6:15 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 2.5 hours before the alert went out and 140 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, Roanoke, VA at 00:00Z on 2011-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 372 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, Roanoke, VA at 00:00Z on 2011-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.19395878Sfc1 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
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.

701 
WFUS51 KRNK 280232
TORRNK
WVC025-280315-
/O.NEW.KRNK.TO.W.0036.110428T0232Z-110428T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
1032 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN GREENBRIER COUNTY IN SOUTHEAST WEST VIRGINIA

* UNTIL 1115 PM EDT.

* AT 1030 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES
  SOUTHWEST OF BINGHAM...OR NEAR BABCOCK STATE PARK...MOVING
  NORTHEAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RAINELLE...
  BINGHAM...
  QUINWOOD...
  DUO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

WHEN IT IS SAFE TO DO SO...PLEASE RELAY YOUR SEVERE WEATHER REPORTS
TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE AT...1...8 6
6...2 1 5...4 3 2 4.

&&

LAT...LON 3823 8035 3811 8035 3804 8021 3786 8079
      3787 8080 3788 8076 3794 8081 3798 8078
      3801 8079 3803 8083 3806 8082 3805 8086
      3808 8089 3811 8088 3809 8071 3827 8043
TIME...MOT...LOC 0232Z 235DEG 54KT 3801 8093

$$

16
3 follow-up statements
379 
WWUS51 KRNK 280242
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1042 PM EDT WED APR 27 2011

WVC025-280315-
/O.CON.KRNK.TO.W.0036.000000T0000Z-110428T0315Z/
GREENBRIER WV-
1042 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT FOR NORTHERN
GREENBRIER COUNTY...

AT 1039 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR BINGHAM...OR 10
MILES NORTHEAST OF BABCOCK STATE PARK...MOVING NORTHEAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  BINGHAM...
  QUINWOOD...
  DUO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM EDT THURSDAY MORNING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA AND
SOUTHEAST WEST VIRGINIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
100 AM EDT THURSDAY MORNING FOR SOUTHWEST VIRGINIA.

&&

LAT...LON 3823 8035 3811 8035 3804 8021 3786 8079
      3787 8080 3788 8076 3794 8081 3798 8078
      3801 8079 3803 8083 3806 8082 3805 8086
      3808 8089 3811 8088 3809 8071 3827 8043
TIME...MOT...LOC 0242Z 235DEG 54KT 3809 8077

$$
125 
WWUS51 KRNK 280300
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1100 PM EDT WED APR 27 2011

WVC025-280315-
/O.CON.KRNK.TO.W.0036.000000T0000Z-110428T0315Z/
GREENBRIER WV-
1100 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT FOR
NORTHWESTERN GREENBRIER COUNTY...

AT 1058 PM EDT...A TORNADO WAS REPORTED.  THIS TORNADO WAS LOCATED 6
MILES NORTH OF DUO...OR NEAR RICHWOOD...MOVING NORTHEAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  DUO...

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.

TO REPORT SEVERE WEATHER...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN BLACKSBURG AT...1...8 6 6...2 1 5...4 3 2 4...WHEN YOU CAN
DO SO SAFELY.

&&

LAT...LON 3823 8035 3811 8035 3802 8059 3807 8078
      3809 8074 3809 8071 3827 8043
TIME...MOT...LOC 0300Z 233DEG 53KT 3817 8055

$$

16
302 
WWUS51 KRNK 280310
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1110 PM EDT WED APR 27 2011

WVC025-280321-
/O.EXP.KRNK.TO.W.0036.000000T0000Z-110428T0315Z/
GREENBRIER WV-
1110 PM EDT WED APR 27 2011

...THE TORNADO WARNING FOR NORTHWESTERN GREENBRIER COUNTY EXPIRES AT
1115 PM EDT...

TO REPORT SEVERE WEATHER...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN BLACKSBURG AT...1...8 6 6...2 1 5...4 3 2 4.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM EDT THURSDAY MORNING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA AND
SOUTHEAST WEST VIRGINIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
100 AM EDT THURSDAY MORNING FOR SOUTHWEST VIRGINIA.

LAT...LON 3823 8035 3811 8035 3802 8059 3807 8078
      3809 8074 3809 8071 3827 8043
TIME...MOT...LOC 0311Z 233DEG 53KT 3826 8038

$$

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 9:06 PM EDTFlash Flood WatchRNKMercer, Monroe, Summers13 hr
Apr 27, 10:12 PM EDTTornado WarningRNKMercer48 min
Apr 27, 10:57 PM EDTTornado WarningRNKGreenbrier, Mercer, Summers48 min
Apr 27, 11:09 PM EDTTornado WarningRNKMercer, Monroe, Summers51 min
Apr 27, 11:43 PM EDTTornado WarningRNKGreenbrier, Summers36 min
Apr 27, 11:53 PM EDTTornado WarningRNKMercer, Monroe52 min
Apr 27, 11:56 PM EDTTornado WarningRNKGreenbrier, Monroe, Summers49 min
Apr 28, 12:40 AM EDTTornado WarningRNKGreenbrier35 min
Apr 28, 12:45 AM EDTTornado WarningRNKMercer, Monroe, Summers45 min
Apr 28, 12:48 AM EDTFlash Flood WarningRNKGreenbrier, Monroe6 hr
Apr 28, 1:03 AM EDTSevere Thunderstorm WarningRNKGreenbrier, Monroe57 min
Apr 28, 1:19 AM EDTTornado WarningRNKMonroe26 min
Apr 28, 1:39 AM EDTFlash Flood WarningRNKMercer, Monroe, Summers3 hr
Apr 28, 1:43 AM EDTTornado WarningRNKMonroe19 min
Apr 28, 1:45 AM EDTTornado WarningRNKGreenbrier, Mercer, Monroe, Summers31 min
Apr 28, 1:47 AM EDTTornado WarningRNKMercer9 min
Apr 28, 2:17 AM EDTTornado WarningRNKMercer, Monroe, Summers28 min
Apr 28, 6:47 AM EDTAreal Flood WarningRNKGreenbrier, Monroe6 hr
Apr 28, 11:16 AM EDTRiver Flood WarningRNKGreenbrier, Monroe, Summers10 hr

Nearby

Tornado Warnings in West Virginia, 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.