Alert archive / West Virginia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 4, NWS Charleston, WV

February 29, 20124 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Feb 29, 2012, 3:29 PM EST for 4 counties in West Virginia. It was in force for 46 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
Feb 29, 2012, 3:29 PM EST (20:29 UTC)
Expired
Feb 29, 2012, 4:15 PM EST
In force
46 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

Counties Boone County, WV, Fayette County, WV, Kanawha County, WV, Nicholas County, WV

The radar

The Charleston,WV radar (KRLX), 56 km from the middle of the area, began a volume at 20:30 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.

What was reported inside it

TimeReportWhereRemark
Feb 29, 4:00 PM ESTTSTM WND DMGAnsted, WVTREES AND POWERLINES DOWN ALONG SATURDAY ROAD JUST EAST OF ANSTED
Feb 29, 4:10 PM ESTTSTM WND DMGAnsted, WVTREE AND POWERLINES DOWN ALONG POSSUM CREEK ROAD ABOUT 7 MILES EAST OF ANSTED AROUND THE HICO AREA
Feb 29, 4:10 PM ESTTSTM WND DMGCraigsville, WVTREE DOWN IN CRAIGSVILLE
Feb 29, 4:12 PM ESTTSTM WND DMGMount Nebo, WVTREE DOWN IN MOUNT NEBO

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
Feb 29, 1:37 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 8.5 hours before the alert went out and 175 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 12:00Z on 2012-02-29Temperature 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, Roanoke, VA at 12:00Z on 2012-02-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 313 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
651 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
313 m²/s²
0-3 km storm-relative helicity
338 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.

070 
WUUS51 KRLX 292029
SVRRLX
WVC005-019-039-067-292115-
/O.NEW.KRLX.SV.W.0004.120229T2029Z-120229T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
329 PM EST WED FEB 29 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BOONE COUNTY IN WEST VIRGINIA...
  FAYETTE COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITIES OF...FAYETTEVILLE...BABCOCK STATE PARK...
  SOUTHEASTERN KANAWHA COUNTY IN WEST VIRGINIA...
  SOUTHERN NICHOLAS COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF SUMMERSVILLE...

* UNTIL 415 PM EST

* AT 325 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 12
  MILES SOUTHWEST OF CHESAPEAKE...OR 7 MILES EAST OF MADISON...AND
  MOVING EAST AT 65 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BELLE...EAST BANK...CEDAR GROVE...BURNWELL...GLASGOW...PRATT...
  POWELLTON...MONTGOMERY...SMITHERS...GAULEY BRIDGE...OAK HILL...
  HAWKS NEST STATE PARK...ANSTED AND CRAIGSVILLE.

THIS WILL IMPACT THE FOLLOWING INTERSTATE...THE WEST VIRGINIA
TURNPIKE BETWEEN MILE MARKERS 58 AND 89.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

PLEASE REPORT 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 900 PM EST WEDNESDAY EVENING
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA AND
CENTRAL WEST VIRGINIA.

&&

LAT...LON 3796 8133 3798 8135 3797 8144 3799 8146
      3797 8155 3797 8175 3820 8174 3831 8125
      3827 8123 3833 8110 3837 8063 3808 8072
      3809 8088 3806 8086 3806 8080 3804 8082
      3799 8077 3794 8080
TIME...MOT...LOC 2029Z 258DEG 55KT 3810 8161

$$

08
1 follow-up statement
981 
WWUS51 KRLX 292051
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
351 PM EST WED FEB 29 2012

WVC005-292101-
/O.CAN.KRLX.SV.W.0004.000000T0000Z-120229T2115Z/
BOONE WV-
351 PM EST WED FEB 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BOONE COUNTY IS
CANCELLED...

THE STORM HAS MOVED OUT OF THE WARNED AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST WEDNESDAY EVENING
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 3796 8123 3799 8126 3805 8131 3828 8136
      3831 8125 3827 8123 3833 8108 3837 8063
      3808 8072 3809 8088 3806 8086 3806 8080
      3804 8082 3799 8077 3795 8080
TIME...MOT...LOC 2051Z 258DEG 55KT 3816 8119

$$

WVC019-039-067-292115-
/O.CON.KRLX.SV.W.0004.000000T0000Z-120229T2115Z/
NICHOLAS WV-KANAWHA WV-FAYETTE WV-
351 PM EST WED FEB 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EST
FOR NORTHERN FAYETTE...EAST CENTRAL KANAWHA AND SOUTHERN NICHOLAS
COUNTIES...

AT 348 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR GAULEY BRIDGE...OR 10 MILES NORTHWEST OF FAYETTEVILLE...
MOVING EAST AT 65 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
THURMOND...HAWKS NEST STATE PARK...ANSTED...SWISS...BABCOCK STATE
PARK...DRENNAN...KESSLERS CROSS LANES...MOUNT NEBO...SUMMERSVILLE...
CANVAS...NETTIE...CALVIN AND CRAIGSVILLE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST WEDNESDAY EVENING
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 3796 8123 3799 8126 3805 8131 3828 8136
      3831 8125 3827 8123 3833 8108 3837 8063
      3808 8072 3809 8088 3806 8086 3806 8080
      3804 8082 3799 8077 3795 8080
TIME...MOT...LOC 2051Z 258DEG 55KT 3816 8119

$$

28

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 29, 10:26 AM ESTSpecial Weather StatementRLXCabell, Jackson, Lincoln, Mason, Putnam, Wayne and 1 more34 min
Feb 29, 11:19 AM ESTSpecial Weather StatementRLXBraxton, Clay, Kanawha, Nicholas, Roane41 min
Feb 29, 11:25 AM ESTSpecial Weather StatementRLXBarbour, Doddridge, Harrison, Lewis, Ritchie, Taylor50 min
Feb 29, 12:19 PM ESTSpecial Weather StatementRLXPleasants, Wirt, Wood71 min
Feb 29, 12:59 PM ESTFlash Flood WatchRLXBarbour, Boone, Braxton, Cabell, Calhoun, Clay and 22 more9 hr
Feb 29, 1:11 PM ESTSpecial Weather StatementRLXWayne34 min
Feb 29, 1:26 PM ESTFlash Flood WarningRLXBarbour, Braxton, Calhoun, Doddridge, Gilmer, Harrison and 5 more57 days
Feb 29, 1:54 PM ESTTornado WarningRLXWayne36 min
Feb 29, 2:10 PM ESTSevere Thunderstorm WarningRLXCalhoun, Gilmer, Jackson, Mason, Ritchie, Wirt and 1 more45 min
Feb 29, 2:30 PM ESTSevere Thunderstorm WarningRLXBoone, Lincoln, Logan, Mingo, Wayne60 min
Feb 29, 3:25 PM ESTFlash Flood WarningRLXBarbour, Calhoun, Doddridge, Harrison, Jackson, Mason and 7 more6 hr
Feb 29, 3:35 PM ESTSevere Thunderstorm WarningRLXBoone, Logan, McDowell, Mingo, Raleigh, Wyoming55 min
Feb 29, 4:17 PM ESTSpecial Weather StatementRLXPocahontas58 min
Feb 29, 6:01 PM ESTSpecial Weather StatementRLXBoone, Fayette, Logan, McDowell, Mingo, Nicholas and 4 more3 hr

Nearby

Severe Thunderstorm Warnings in West Virginia, 2012Every severe thunderstorm warning in 2012

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.