Alert archive / West Virginia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Charleston, WV

March 2, 20124 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Mar 2, 2012, 8:29 PM EST for 4 counties in West Virginia. It was in force for 31 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
Mar 2, 2012, 8:29 PM EST (01:29 UTC)
Expired
Mar 2, 2012, 9:00 PM EST
In force
31 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

Counties Boone County, WV, Fayette County, WV, Kanawha County, WV, Raleigh County, WV

The radar

The Charleston,WV radar (KRLX), 43 km from the middle of the area, began a volume at 01:31 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.

IssuedProductOfficeLasted
Mar 2, 4:19 PM ESTTornado Watch PDSSPC6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 1.5 hours before the alert went out and 189 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 2012-03-03Temperature 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 00:00Z on 2012-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 716 square meters per square second.1939587897117136Sfc1 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
432 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
716 m²/s²
0-3 km storm-relative helicity
802 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.

233 
WUUS51 KRLX 030129
SVRRLX
WVC005-019-039-081-030200-
/O.NEW.KRLX.SV.W.0013.120303T0129Z-120303T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
829 PM EST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL BOONE COUNTY IN WEST VIRGINIA...
  WESTERN FAYETTE COUNTY IN WEST VIRGINIA...
  SOUTH CENTRAL KANAWHA COUNTY IN WEST VIRGINIA...
  NORTHWESTERN RALEIGH COUNTY IN WEST VIRGINIA...

* UNTIL 900 PM EST

* AT 826 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 12 MILES WEST OF BURNWELL TO 15
  MILES WEST OF BURNWELL TO 18 MILES SOUTHWEST OF BURNWELL...OR ALONG
  A LINE EXTENDING FROM 11 MILES EAST OF MADISON TO 10 MILES
  SOUTHEAST OF MADISON TO 12 MILES SOUTHEAST OF MADISON...AND MOVING
  EAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  POWELLTON AND HAWKS NEST STATE PARK.

THIS WILL IMPACT THE FOLLOWING INTERSTATE...THE WEST VIRGINIA
TURNPIKE BETWEEN MILE MARKERS 57 AND 74.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. 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.

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 3817 8110 3808 8113 3794 8120 3792 8169
      3799 8167 3810 8162
TIME...MOT...LOC 0129Z 268DEG 43KT 3803 8157 3798 8160
          3792 8163

$$

30
1 follow-up statement
713 
WWUS51 KRLX 030145
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
845 PM EST FRI MAR 2 2012

WVC005-030155-
/O.CAN.KRLX.SV.W.0013.000000T0000Z-120303T0200Z/
BOONE WV-
845 PM EST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BOONE COUNTY IS
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EST SATURDAY MORNING
FOR CENTRAL KENTUCKY 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 3794 8147 3799 8144 3813 8139 3817 8110
      3808 8113 3794 8120
TIME...MOT...LOC 0145Z 268DEG 43KT 3804 8132 3799 8135
          3793 8138

$$

WVC019-039-081-030200-
/O.CON.KRLX.SV.W.0013.000000T0000Z-120303T0200Z/
RALEIGH WV-KANAWHA WV-FAYETTE WV-
845 PM EST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EST
FOR WESTERN FAYETTE...SOUTHEASTERN KANAWHA AND EXTREME NORTHWESTERN
RALEIGH COUNTIES...

AT 840 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM BURNWELL TO DOROTHY...OR
ALONG A LINE EXTENDING FROM 16 MILES WEST OF FAYETTEVILLE TO 18 MILES
WEST OF FAYETTEVILLE TO 18 MILES NORTHWEST OF BECKLEY...MOVING EAST
AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HAWKS
NEST STATE PARK

THIS WILL IMPACT THE FOLLOWING INTERSTATE...THE WEST VIRGINIA
TURNPIKE BETWEEN MILE MARKERS 57 AND 74.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. 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 MIDNIGHT EST SATURDAY MORNING
FOR CENTRAL KENTUCKY 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 3794 8147 3799 8144 3813 8139 3817 8110
      3808 8113 3794 8120
TIME...MOT...LOC 0145Z 268DEG 43KT 3804 8132 3799 8135
          3793 8138

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 7:15 PM ESTSevere Thunderstorm WarningRLXCabell, Lincoln, Putnam, Wayne34 min
Mar 2, 7:27 PM ESTSevere Thunderstorm WarningRLXBraxton, Calhoun, Clay, Gilmer, Kanawha, Lewis and 4 more36 min
Mar 2, 7:31 PM ESTTornado WarningRLXLincoln, Logan, Mingo, Wayne44 min
Mar 2, 7:42 PM ESTTornado WarningRLXBoone, Kanawha, Lincoln33 min
Mar 2, 7:45 PM ESTTornado WarningRLXBraxton, Calhoun, Clay, Gilmer, Nicholas, Roane16 min
Mar 2, 7:57 PM ESTSpecial Weather StatementRLXBoone, Braxton, Cabell, Clay, Fayette, Kanawha and 9 more3 hr
Mar 2, 8:05 PM ESTTornado WarningRLXBoone, Logan25 min
Mar 2, 8:16 PM ESTFlash Flood WarningRLXBoone, Cabell, Kanawha, Lincoln, Logan, Mingo and 3 more119 min
Mar 2, 8:20 PM ESTSevere Thunderstorm WarningRLXBoone, Logan25 min
Mar 2, 8:30 PM ESTSpecial Weather StatementRLXPocahontas, Randolph, Webster45 min
Mar 2, 8:38 PM ESTSpecial Weather StatementRLXMingo52 min
Mar 2, 8:56 PM ESTFlash Flood WarningRLXClay, Fayette, Kanawha, Nicholas, Pocahontas, Raleigh and 2 more2 hr
Mar 2, 8:56 PM ESTSevere Thunderstorm WarningRLXFayette, Nicholas, Pocahontas34 min
Mar 2, 9:11 PM ESTSevere Thunderstorm WarningRLXBoone, Logan, Mingo, Wyoming49 min
Mar 2, 9:30 PM ESTSpecial Weather StatementRLXMcDowell60 min
Mar 2, 10:28 PM ESTFlash Flood WarningRLXBoone, Fayette, Kanawha, Lincoln, Logan, Mingo and 4 more5 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.