Alert archive / West Virginia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 99, NWS Charleston, WV

July 1, 20125 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jul 1, 2012, 10:18 PM EDT for 5 counties in West Virginia. It was in force for 42 min. 3 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
Jul 1, 2012, 10:18 PM EDT (02:18 UTC)
Expired
Jul 1, 2012, 11:00 PM EDT
In force
42 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

Counties Boone County, WV, Logan County, WV, McDowell County, WV, Mingo County, WV, Wyoming County, WV

What was reported inside it

TimeReportWhereRemark
Jul 1, 10:30 PM EDTTSTM WND DMGPineville, WVTREES DOWN ACROSS MUCH OF WYOMING COUNTY. POWER RESTORED SINCE EARLIER STORM WAS LOST.
Jul 1, 11:10 PM EDTTSTM WND DMGPineville, WVPOWER POLES AND TREES DOWN THROUGHOUT THE COUNTY. POWER RESTORED FROM PREVIOUS STORMS LOST.
Jul 1, 11:10 PM EDTTSTM WND DMGWelch, WVTREES DOWN... POWER POLES DOWN... ENTRAPMENT IN A HOUSE... UNDERPASSES FLOODED DUE TO POOR DRAINAGE.

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
Jul 1, 9:06 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 2.3 hours before the alert went out and 188 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.

229 
WUUS51 KRLX 020218
SVRRLX
WVC005-045-047-059-109-020300-
/O.NEW.KRLX.SV.W.0099.120702T0218Z-120702T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY NATIONAL WEATHER SERVICE PITTSBURGH PA
1018 PM EDT SUN JUL 1 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LOGAN COUNTY IN WEST VIRGINIA...
  NORTHEASTERN MCDOWELL COUNTY IN WEST VIRGINIA...
  WYOMING COUNTY IN WEST VIRGINIA...
  EXTREME EAST CENTRAL MINGO COUNTY IN WEST VIRGINIA...
  SOUTH CENTRAL BOONE COUNTY IN WEST VIRGINIA...

* UNTIL 1100 PM EDT

* AT 1015 PM EDT...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 21
  MILES NORTHWEST OF PINEVILLE...MOVING SOUTHEAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  PINEVILLE...          WELCH...

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.

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.

&&

LAT...LON 3751 8125 3733 8160 3783 8193 3789 8177
TIME...MOT...LOC 0218Z 324DEG 26KT 3779 8178

$$
1 follow-up statement
171 
WWUS51 KRLX 020242
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY NATIONAL WEATHER SERVICE PITTSBURGH PA
1042 PM EDT SUN JUL 1 2012

WVC005-059-020252-
/O.CAN.KRLX.SV.W.0099.000000T0000Z-120702T0300Z/
MINGO WV-BOONE WV-
1042 PM EDT SUN JUL 1 2012

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM EDT MONDAY
MORNING FOR CENTRAL VIRGINIA AND CENTRAL WEST VIRGINIA.

LAT...LON 3780 8164 3751 8125 3733 8160 3763 8179
TIME...MOT...LOC 0242Z 324DEG 26KT 3765 8165

$$

WVC045-047-109-020300-
/O.CON.KRLX.SV.W.0099.000000T0000Z-120702T0300Z/
LOGAN WV-MCDOWELL WV-WYOMING WV-
1042 PM EDT SUN JUL 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR WYOMING...MCDOWELL AND LOGAN COUNTIES...

AT 1038 PM EDT...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 OCEANA...MOVING SOUTHEAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  PINEVILLE...          WELCH...

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.

PLEASE REPORT SEVERE WEATHER 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 200 AM EDT MONDAY
MORNING FOR CENTRAL VIRGINIA AND CENTRAL WEST VIRGINIA.

LAT...LON 3780 8164 3751 8125 3733 8160 3763 8179
TIME...MOT...LOC 0242Z 324DEG 26KT 3765 8165

$$

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, 9:24 PM EDTSevere Thunderstorm WarningRLXBarbour, Braxton, Doddridge, Gilmer, Harrison, Lewis and 2 more41 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.