Alert archive / Virginia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 151, NWS Charleston, WV

May 22, 2011Buchanan County, Dickenson County, Virginia; McDowell County, Wyoming County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at May 22, 2011, 4:40 PM EDT for Buchanan County, Dickenson County, Virginia; McDowell County, Wyoming County, West Virginia. It was in force for 65 min. 1 report 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 22, 2011, 4:40 PM EDT (20:40 UTC)
Expired
May 22, 2011, 5:45 PM EDT
In force
65 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

Counties Buchanan County, VA, Dickenson County, VA, McDowell County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 120 km from the middle of the area, began a volume at 20:41 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 22, 5:05 PM EDTHAIL 0.88Vansant, VA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 8.7 hours before the alert went out and 199 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 2011-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 130 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 2011-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.1939Sfc1 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
130 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
791 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

920 
WUUS51 KRLX 222040
SVRRLX
VAC027-051-WVC047-109-222145-
/O.NEW.KRLX.SV.W.0151.110522T2040Z-110522T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
440 PM EDT SUN MAY 22 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BUCHANAN COUNTY IN VIRGINIA...
  THIS INCLUDES THE CITIES OF...GRUNDY...DAVENPORT...
  NORTHEASTERN DICKENSON COUNTY IN VIRGINIA...
  MCDOWELL COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF WELCH...
  SOUTHEASTERN WYOMING COUNTY IN WEST VIRGINIA...

* UNTIL 545 PM EDT

* AT 432 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 8 MILES
  NORTHWEST OF DAVENPORT...OR NEAR HAYSI...AND MOVING EAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WAR...GARY AND NORTHFORK.

.

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 3707 8221 3728 8228 3754 8134 3742 8130
      3727 8141 3724 8149 3723 8151 3719 8167
      3723 8173 3720 8176 3717 8186 3714 8188
TIME...MOT...LOC 2041Z 254DEG 34KT 3722 8213

$$

14
2 follow-up statements
447 
WWUS51 KRLX 222118
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
518 PM EDT SUN MAY 22 2011

VAC051-222129-
/O.CAN.KRLX.SV.W.0151.000000T0000Z-110522T2145Z/
DICKENSON VA-
518 PM EDT SUN MAY 22 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DICKENSON COUNTY
IS CANCELLED...

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 3717 8207 3730 8213 3754 8134 3742 8130
      3727 8141 3724 8149 3723 8151 3719 8167
      3723 8173 3720 8176 3717 8186 3714 8188
TIME...MOT...LOC 2119Z 254DEG 34KT 3732 8170

$$

VAC027-WVC047-109-222145-
/O.CON.KRLX.SV.W.0151.000000T0000Z-110522T2145Z/
BUCHANAN VA-MCDOWELL WV-WYOMING WV-
518 PM EDT SUN MAY 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR SOUTHEASTERN WYOMING...MCDOWELL AND CENTRAL BUCHANAN COUNTIES...

AT 518 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 WAR...OR 11 MILES SOUTHWEST OF WELCH...MOVING EAST AT 40
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CUCUMBER...COALWOOD...ELBERT...GARY...KIMBALL...ANAWALT...
JENKINJONES...KEYSTONE...NORTHFORK...MAYBEURY AND HERNDON

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 3717 8207 3730 8213 3754 8134 3742 8130
      3727 8141 3724 8149 3723 8151 3719 8167
      3723 8173 3720 8176 3717 8186 3714 8188
TIME...MOT...LOC 2119Z 254DEG 34KT 3732 8170

$$

30
349 
WWUS51 KRLX 222139
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
539 PM EDT SUN MAY 22 2011

VAC027-WVC047-109-222149-
/O.EXP.KRLX.SV.W.0151.000000T0000Z-110522T2145Z/
BUCHANAN VA-MCDOWELL WV-WYOMING WV-
539 PM EDT SUN MAY 22 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WYOMING...
MCDOWELL AND CENTRAL BUCHANAN COUNTIES WILL EXPIRE AT 545 PM EDT...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND NO LONGER POSES A SEVERE WEATHER THREAT...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER OTHER WEAKER
THUNDERSTORMS IN THE AREA MAY PRODUCE GUSTY WINDS AND PEA SIZE HAIL.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO 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 3717 8207 3730 8213 3754 8134 3742 8130
      3727 8141 3724 8149 3723 8151 3719 8167
      3723 8173 3720 8176 3717 8186 3714 8188
TIME...MOT...LOC 2139Z 254DEG 34KT 3737 8147

$$

30

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 4:01 PM EDTSpecial Weather StatementRLXDickenson29 min
May 22, 3:01 PM EDTSevere Thunderstorm WarningRLXWayne59 min
May 22, 4:06 PM EDTSevere Thunderstorm WarningRLXCabell, Kanawha, Lincoln, Putnam, Wayne54 min
May 22, 4:52 PM EDTSevere Thunderstorm WarningRLXCabell, Lincoln, Putnam, Wayne53 min
May 22, 4:57 PM EDTSevere Thunderstorm WarningRLXWayne63 min
May 22, 5:11 PM EDTSevere Thunderstorm WarningRLXCabell, Wayne64 min
May 22, 5:49 PM EDTSevere Thunderstorm WarningRLXLincoln, Logan, Mingo, Wayne56 min
May 22, 6:03 PM EDTSevere Thunderstorm WarningRLXCabell, Wayne57 min
May 22, 6:19 PM EDTSevere Thunderstorm WarningRLXWayne26 min
May 22, 6:55 PM EDTSpecial Weather StatementRLXBoone, Lincoln, Logan, Wayne35 min
May 22, 7:04 PM EDTSevere Thunderstorm WarningRLXBoone, Fayette, Kanawha, Lincoln, Logan, Raleigh and 2 more56 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2011Severe Thunderstorm Warnings in West Virginia, 2011Every severe thunderstorm warning in 2011

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.