Alert archive / West Virginia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 98, NWS Charleston, WV

July 1, 20128 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jul 1, 2012, 9:24 PM EDT for 8 counties in West Virginia. It was in force for 41 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, 9:24 PM EDT (01:24 UTC)
Expired
Jul 1, 2012, 10:05 PM EDT
In force
41 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

Counties Barbour County, WV, Braxton County, WV, Doddridge County, WV, Gilmer County, WV, Harrison County, WV, Lewis County, WV, Randolph County, WV, Upshur 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
Jul 1, 9:06 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 1.4 hours before the alert went out and 162 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, Pittsburgh, PA at 00:00Z on 2012-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 334 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, Pittsburgh, PA at 00:00Z on 2012-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
334 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
2439 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

876 
WUUS51 KRLX 020124
SVRRLX
WVC001-007-017-021-033-041-083-097-020215-
/O.NEW.KRLX.SV.W.0098.120702T0124Z-120702T0215Z/

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

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BRAXTON COUNTY IN WEST VIRGINIA...
  NORTHERN GILMER COUNTY IN WEST VIRGINIA...
  UPSHUR COUNTY IN WEST VIRGINIA...
  WEST CENTRAL RANDOLPH COUNTY IN WEST VIRGINIA...
  LEWIS COUNTY IN WEST VIRGINIA...
  SOUTHEASTERN DODDRIDGE COUNTY IN WEST VIRGINIA...
  SOUTHWESTERN HARRISON COUNTY IN WEST VIRGINIA...
  SOUTHWESTERN BARBOUR COUNTY IN WEST VIRGINIA...

* UNTIL 1015 PM EDT

* AT 920 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 15 MILES WEST OF JACKSON MILL TO 8 MILES NORTHEAST OF
  GLENVILLE TO GLENVILLE...MOVING SOUTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  GLENVILLE...          WESTON...             BUCKHANNON...
  AUDRA STATE PARK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.


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 3903 7995 3879 7995 3864 8007 3892 8095
      3904 8075 3927 8073
TIME...MOT...LOC 0124Z 293DEG 40KT 3916 8069 3900 8068
          3892 8077

$$
1 follow-up statement
473 
WWUS51 KRLX 020205
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY NATIONAL WEATHER SERVICE PITTSBURGH PA
1005 PM EDT SUN JUL 1 2012

WVC001-007-017-021-033-041-083-097-020211-
/O.CAN.KRLX.SV.W.0098.000000T0000Z-120702T0215Z/
BRAXTON WV-GILMER WV-UPSHUR WV-RANDOLPH WV-LEWIS WV-DODDRIDGE WV-
HARRISON WV-BARBOUR WV-
1005 PM EDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR BARBOUR...HARRISON...
DODDRIDGE...LEWIS...RANDOLPH...UPSHUR...GILMER AND BRAXTON COUNTIES
IS CANCELLED...

THE STRONG THUNDERSTORM THAT PROVOKED THE WARNING EARLIER HAS 
WEAKENED BELOW SEVERE LIMITS...GUSTY SHOWERS MAY STILL LINGER 
HOWEVER.

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 3903 7995 3879 7995 3864 8007 3892 8095
      3904 8075 3927 8073
TIME...MOT...LOC 0201Z 293DEG 40KT 3900 8020 3884 8019
          3876 8028

$$

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, 8:55 PM EDTSevere Thunderstorm WarningRLXBoone, Braxton, Calhoun, Clay, Fayette, Gilmer and 8 more65 min
Jul 1, 9:15 PM EDTSevere Thunderstorm WarningRLXBoone, Cabell, Fayette, Kanawha, Lincoln, Logan and 5 more60 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.