Alert archive / West Virginia / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 21, NWS Charleston, WV

May 14, 20104 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at May 14, 2010, 2:51 PM EDT for 4 counties in West Virginia. It was in force for 39 min. 2 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
May 14, 2010, 2:51 PM EDT (18:51 UTC)
Expired
May 14, 2010, 3:30 PM EDT
In force
39 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

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

The radar

The Charleston,WV radar (KRLX), 72 km from the middle of the area, began a volume at 18:51 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
May 14, 3:01 PM EDTHAIL 1North Matewan, WV
May 14, 3:40 PM EDTHAIL 1S Gilbert, WV1 INCH HAIL REPORTED IN NORTH SPRING IN WYOMING COUNTY.

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
May 14, 2:29 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 6.9 hours before the alert went out and 224 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 2010-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 707 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 12:00Z on 2010-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.19395878Sfc1 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
707 J/kg
Mixed-layer CIN
-123 J/kg
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

837 
WUUS51 KRLX 141851
SVRRLX
WVC005-045-059-109-141930-
/O.NEW.KRLX.SV.W.0021.100514T1851Z-100514T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
251 PM EDT FRI MAY 14 2010

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BOONE COUNTY IN WEST VIRGINIA...
  SOUTHERN LOGAN COUNTY IN WEST VIRGINIA...
  SOUTHERN MINGO COUNTY IN WEST VIRGINIA...
  NORTHWESTERN WYOMING COUNTY IN WEST VIRGINIA...

* UNTIL 330 PM EDT

* AT 246 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 NEAR
  DELBARTON...OR NEAR WILLIAMSON...AND MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  HINCH...MAN...MALLORY AND OCEANA.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FRIDAY
EVENING FOR CENTRAL KENTUCKY AND CENTRAL VIRGINIA. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR SOUTHEAST OHIO AND CENTRAL WEST VIRGINIA.

&&

LAT...LON 3763 8219 3762 8221 3763 8223 3765 8224
      3775 8226 3787 8156 3783 8156 3783 8153
      3763 8149 3758 8214
TIME...MOT...LOC 1851Z 261DEG 30KT 3767 8213

$$

12
1 follow-up statement
449 
WWUS51 KRLX 141907
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
307 PM EDT FRI MAY 14 2010

WVC005-045-059-109-141930-
/O.CON.KRLX.SV.W.0021.000000T0000Z-100514T1930Z/
LOGAN WV-WYOMING WV-MINGO WV-BOONE WV-
307 PM EDT FRI MAY 14 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR SOUTHEASTERN BOONE...SOUTHERN MINGO...NORTHWESTERN WYOMING AND
SOUTHERN LOGAN COUNTIES...

AT 303 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR VARNEY...OR 10 MILES EAST OF WILLIAMSON...MOVING EAST AT
35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PIE...
HINCH...SARAH ANN...CHAUNCEY...SWITZER...HAMPDEN...GILBERT...BRUNO...
MAN...COAL MOUNTAIN...CLEAR FORK...CYCLONE...KOPPERSTON...OCEANA...
MALLORY AND AMHERSTDALE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FRIDAY
EVENING FOR CENTRAL KENTUCKY AND CENTRAL VIRGINIA. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR SOUTHEAST OHIO 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 3763 8219 3762 8221 3763 8223 3775 8226
      3787 8157 3783 8156 3783 8153 3763 8149
      3758 8214
TIME...MOT...LOC 1907Z 261DEG 30KT 3767 8206

$$

21

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 3:25 PM EDTSevere Thunderstorm WarningRLXLogan, Mingo, Wyoming35 min
May 14, 3:36 PM EDTSevere Thunderstorm WarningRLXBraxton, Calhoun, Gilmer, Lewis, Upshur39 min
May 14, 3:58 PM EDTSevere Thunderstorm WarningRLXMcDowell, Raleigh, Wyoming32 min
May 14, 4:02 PM EDTSevere Thunderstorm WarningRLXMcDowell43 min
May 14, 4:04 PM EDTSevere Thunderstorm WarningRLXWayne56 min
May 14, 4:12 PM EDTSevere Thunderstorm WarningRLXJackson, Mason, Putnam, Roane63 min
May 14, 4:20 PM EDTSevere Thunderstorm WarningRLXWayne85 min
May 14, 4:34 PM EDTTornado WarningRLXJackson, Roane26 min
May 14, 4:38 PM EDTSevere Thunderstorm WarningRLXMason, Putnam43 min
May 14, 4:44 PM EDTSevere Thunderstorm WarningRLXMcDowell31 min
May 14, 4:50 PM EDTSevere Thunderstorm WarningRLXDoddridge, Harrison, Taylor, Tyler55 min
May 14, 4:59 PM EDTSevere Thunderstorm WarningRLXBraxton, Calhoun, Clay, Nicholas, Roane, Webster61 min
May 14, 5:06 PM EDTSevere Thunderstorm WarningRLXMcDowell24 min
May 14, 5:09 PM EDTSevere Thunderstorm WarningRLXCabell, Kanawha, Lincoln, Putnam, Wayne81 min
May 14, 5:20 PM EDTSevere Thunderstorm WarningRLXMcDowell40 min
May 14, 5:38 PM EDTSevere Thunderstorm WarningRLXCabell, Jackson, Kanawha, Mason, Putnam, Roane45 min
May 14, 5:48 PM EDTSevere Thunderstorm WarningRLXLincoln, Logan, Wayne72 min
May 14, 5:59 PM EDTSevere Thunderstorm WarningRLXMcDowell46 min
May 14, 6:02 PM EDTSevere Thunderstorm WarningRLXBoone, Fayette, Kanawha, Lincoln73 min
May 14, 6:02 PM EDTSevere Thunderstorm WarningRLXBraxton, Calhoun, Clay, Gilmer, Roane, Webster31 min
May 14, 6:28 PM EDTSevere Thunderstorm WarningRLXPocahontas, Randolph, Webster62 min
May 14, 6:34 PM EDTFlash Flood WarningRLXBoone116 min
May 14, 6:45 PM EDTSevere Thunderstorm WarningRLXDoddridge, Harrison, Tyler17 min
May 14, 6:52 PM EDTSevere Thunderstorm WarningRLXPocahontas, Randolph, Webster68 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2010Every severe thunderstorm warning in 2010

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.