Alert archive / West Virginia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 96, NWS Charleston, WV

July 1, 201214 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jul 1, 2012, 8:55 PM EDT for 14 counties in West Virginia. It was in force for 65 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
Jul 1, 2012, 8:55 PM EDT (00:55 UTC)
Expired
Jul 1, 2012, 10:00 PM EDT
In force
65 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

Counties Boone County, WV, Braxton County, WV, Calhoun County, WV, Clay County, WV, Fayette County, WV, Gilmer County, WV, Kanawha County, WV, Lewis County, WV, Nicholas County, WV, Pocahontas County, WV, Randolph County, WV, Roane County, WV, Upshur County, WV, Webster County, WV

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 1, 4:32 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 0.9 hours before the alert went out and 163 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 2012-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 102 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 2012-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.193958Sfc1 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
102 J/kg
Mixed-layer CIN
-174 J/kg
Mixed-layer LCL
2439 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
65 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.

974 
WUUS51 KRLX 020055
SVRRLX
WVC005-007-013-015-019-021-039-041-067-075-083-087-097-101-020200-
/O.NEW.KRLX.SV.W.0096.120702T0055Z-120702T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY NATIONAL WEATHER SERVICE PITTSBURGH PA
855 PM EDT SUN JUL 1 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KANAWHA COUNTY IN WEST VIRGINIA...
  WEST CENTRAL POCAHONTAS COUNTY IN WEST VIRGINIA...
  WEBSTER COUNTY IN WEST VIRGINIA...
  BRAXTON COUNTY IN WEST VIRGINIA...
  SOUTHEASTERN ROANE COUNTY IN WEST VIRGINIA...
  CALHOUN COUNTY IN WEST VIRGINIA...
  SOUTHERN GILMER COUNTY IN WEST VIRGINIA...
  SOUTHWESTERN UPSHUR COUNTY IN WEST VIRGINIA...
  SOUTHWESTERN RANDOLPH COUNTY IN WEST VIRGINIA...
  EXTREME SOUTH CENTRAL LEWIS COUNTY IN WEST VIRGINIA...
  CLAY COUNTY IN WEST VIRGINIA...
  NICHOLAS COUNTY IN WEST VIRGINIA...
  NORTHEASTERN BOONE COUNTY IN WEST VIRGINIA...
  FAYETTE COUNTY IN WEST VIRGINIA...

* UNTIL 1000 PM EDT

* AT 850 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 11 MILES WEST OF GRANTSVILLE TO 17 MILES NORTH OF SISSONVILLE
  TO 13 MILES WEST OF SISSONVILLE...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  GRANTSVILLE...        CHARLESTON...         CLAY...
  SUTTON...             FAYETTEVILLE...       WEBSTER SPRINGS...
  SUMMERSVILLE...       RICHWOOD...           BABCOCK STATE PARK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE. 1-877-633-6772...WHEN YOU CAN
DO SO SAFELY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL
WEST VIRGINIA.

&&

LAT...LON 3822 8037 3826 8045 3807 8071 3809 8088
      3806 8085 3807 8080 3798 8077 3795 8080
      3788 8075 3782 8092 3786 8110 3788 8108
      3789 8130 3796 8133 3797 8139 3837 8186
      3868 8135 3901 8116 3865 8002
TIME...MOT...LOC 0054Z 286DEG 38KT 3897 8124 3872 8148
          3855 8182

$$
2 follow-up statements
946 
WWUS51 KRLX 020121
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY NATIONAL WEATHER SERVICE PITTSBURGH PA
921 PM EDT SUN JUL 1 2012

WVC005-019-020131-
/O.CAN.KRLX.SV.W.0096.000000T0000Z-120702T0200Z/
BOONE WV-FAYETTE WV-
921 PM EDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR FAYETTE AND BOONE COUNTIES IS
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM EDT MONDAY
MORNING FOR CENTRAL VIRGINIA AND CENTRAL WEST VIRGINIA. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM EDT SUNDAY
EVENING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL WEST
VIRGINIA.

LAT...LON 3822 8037 3826 8045 3807 8071 3807 8072
      3860 8137 3876 8124 3898 8108 3865 8002
TIME...MOT...LOC 0121Z 286DEG 38KT 3889 8089 3864 8113
          3847 8147

$$

WVC007-013-015-021-039-041-067-075-083-087-097-101-020200-
/O.CON.KRLX.SV.W.0096.000000T0000Z-120702T0200Z/
KANAWHA WV-POCAHONTAS WV-WEBSTER WV-BRAXTON WV-ROANE WV-CALHOUN WV-
GILMER WV-UPSHUR WV-RANDOLPH WV-LEWIS WV-CLAY WV-NICHOLAS WV-
921 PM EDT SUN JUL 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR NICHOLAS...CLAY...LEWIS...RANDOLPH...UPSHUR...GILMER...CALHOUN...
ROANE...BRAXTON...WEBSTER...POCAHONTAS AND KANAWHA COUNTIES...

AT 916 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM CEDAR CREEK STATE PARK TO 10 MILES SOUTH OF
ARNOLDSBURG TO 25 MILES WEST OF CLAY...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  GRANTSVILLE...        CLAY...               SUTTON...
  WEBSTER SPRINGS...    SUMMERSVILLE...       RICHWOOD...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM EDT MONDAY
MORNING FOR CENTRAL VIRGINIA AND CENTRAL WEST VIRGINIA. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM EDT SUNDAY
EVENING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL WEST
VIRGINIA.

LAT...LON 3822 8037 3826 8045 3807 8071 3807 8072
      3860 8137 3876 8124 3898 8108 3865 8002
TIME...MOT...LOC 0121Z 286DEG 38KT 3889 8089 3864 8113
          3847 8147

$$
048 
WWUS51 KRLX 020153
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY NATIONAL WEATHER SERVICE PITTSBURGH PA
953 PM EDT SUN JUL 1 2012

WVC007-013-015-021-039-041-067-075-083-087-097-101-020201-
/O.EXP.KRLX.SV.W.0096.000000T0000Z-120702T0200Z/
KANAWHA WV-POCAHONTAS WV-WEBSTER WV-BRAXTON WV-ROANE WV-CALHOUN WV-
GILMER WV-UPSHUR WV-RANDOLPH WV-LEWIS WV-CLAY WV-NICHOLAS WV-
953 PM EDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR NICHOLAS...CLAY...LEWIS...
RANDOLPH...UPSHUR...GILMER...CALHOUN...ROANE...BRAXTON...WEBSTER...
POCAHONTAS AND KANAWHA COUNTIES EXPIRES AT 1000 PM EDT...

GUSTY SHOWERS WILL STILL HANG AROUND...BUT THESE STORMS HAVE FALLEN 
BELOW SEVERE CRITERIA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM EDT MONDAY
MORNING FOR CENTRAL VIRGINIA AND CENTRAL WEST VIRGINIA. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM EDT SUNDAY
EVENING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL WEST
VIRGINIA.

LAT...LON 3822 8037 3826 8045 3807 8071 3807 8072
      3860 8137 3876 8124 3898 8108 3865 8002
TIME...MOT...LOC 0151Z 286DEG 38KT 3880 8050 3855 8074
          3838 8108

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 8:10 PM EDTSevere Thunderstorm WarningRLXCabell, Wayne65 min
Jul 1, 8:34 PM EDTSevere Thunderstorm WarningRLXBraxton, Calhoun, Doddridge, Gilmer, Harrison, Lewis and 7 more56 min
Jul 1, 8:42 PM EDTSevere Thunderstorm WarningRLXWayne48 min
Jul 1, 9:15 PM EDTSevere Thunderstorm WarningRLXBoone, Cabell, Fayette, Kanawha, Lincoln, Logan and 5 more60 min
Jul 1, 9:24 PM EDTSevere Thunderstorm WarningRLXBarbour, Braxton, Doddridge, Gilmer, Harrison, Lewis and 2 more41 min
Jul 1, 10:18 PM EDTSevere Thunderstorm WarningRLXBoone, Logan, McDowell, Mingo, Wyoming42 min
Jul 1, 10:48 PM EDTSevere Thunderstorm WarningRLXMcDowell, Wyoming27 min
Jul 1, 10:56 PM EDTSevere Thunderstorm WarningRLXMcDowell, Raleigh, Wyoming19 min
Jul 1, 11:04 PM EDTSevere Thunderstorm WarningRLXFayette, Raleigh26 min
Jul 2, 3:46 PM EDTHeat AdvisoryRLXBoone, Braxton, Cabell, Calhoun, Clay, Doddridge and 18 more27 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.