Alert archive / Virginia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 87, NWS Charleston, WV

July 1, 2012Buchanan County, Dickenson County, Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jul 1, 2012, 10:29 AM EDT for Buchanan County, Dickenson County, Virginia. It was in force for 18 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, 10:29 AM EDT (14:29 UTC)
Expired
Jul 1, 2012, 10:47 AM EDT
In force
18 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon

Counties Buchanan County, VA, Dickenson County, VA

The radar

The Jackson,KY radar (KJKL), 127 km from the middle of the area, began a volume at 14:31 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 1, 9:44 AM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 2.5 hours before the alert went out and 221 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, Greensboro/Hi Pt, NC at 12:00Z on 2012-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1262 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, Greensboro/Hi Pt, NC at 12:00Z on 2012-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
1262 J/kg
Mixed-layer CIN
-246 J/kg
Mixed-layer LCL
2188 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
61 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.

978 
WUUS51 KRLX 011429
SVRRLX
VAC027-051-011500-
/O.NEW.KRLX.SV.W.0087.120701T1429Z-120701T1500Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY NATIONAL WEATHER SERVICE JACKSON KY
1029 AM EDT SUN JUL 1 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON
HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BUCHANAN COUNTY IN VIRGINIA...
  EAST CENTRAL DICKENSON COUNTY IN VIRGINIA...

* UNTIL 1100 AM EDT

* AT 1027 AM 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
  DAVENPORT...OR 3 MILES NORTHEAST OF DAVENPORT...AND MOVING EAST AT
  30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL SOUTHERN BUCHANAN COUNTY AT 1040 AM EDT

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT DAMAGING WINDS...LARGE HAIL OR FLOODING TO THE NATIONAL
WEATHER SERVICE...CALL TOLL FREE AT...1...8 7 7...6 3 3...6 7 7 2...
WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3708 8223 3725 8218 3719 8179 3718 8179
      3716 8186 3714 8188 3712 8200 3708 8201
      3705 8204 3704 8206
TIME...MOT...LOC 1429Z 284DEG 26KT 3714 8209

$$

GREIF
3 follow-up statements
067 
WWUS51 KRLX 011440
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY NATIONAL WEATHER SERVICE JACKSON KY
1040 AM EDT SUN JUL 1 2012

VAC051-011450-
/O.CAN.KRLX.SV.W.0087.000000T0000Z-120701T1500Z/
DICKENSON VA-
1040 AM EDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL DICKENSON COUNTY
IS CANCELLED...

TO REPORT DAMAGE FROM SEVERE WEATHER...CALL THE NATIONAL WEATHER
SERVICE...TOLL FREE AT...1...8 7 7...6 3 3...6 7 7 2...WHEN YOU CAN
DO SO SAFELY.

LAT...LON 3706 8213 3723 8208 3718 8179 3716 8186
      3714 8188 3712 8200 3708 8201 3705 8204
      3704 8206
TIME...MOT...LOC 1440Z 284DEG 26KT 3712 8199

$$

VAC027-011500-
/O.CON.KRLX.SV.W.0087.000000T0000Z-120701T1500Z/
BUCHANAN VA-
1040 AM EDT SUN JUL 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT
FOR SOUTHEASTERN BUCHANAN COUNTY...

AT 1036 AM 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 OVER SOUTH CENTRAL BUCHANAN COUNTY...OR 6 MILES EAST OF
DAVENPORT...MOVING EAST AT 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT DAMAGING WINDS...LARGE HAIL OR FLOODING TO THE NATIONAL
WEATHER SERVICE...CALL TOLL FREE AT...1...8 7 7...6 3 3...6 7 7 2...
WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3706 8213 3723 8208 3718 8179 3716 8186
      3714 8188 3712 8200 3708 8201 3705 8204
      3704 8206
TIME...MOT...LOC 1440Z 284DEG 26KT 3712 8199

$$

GREIF
360 
WWUS51 KRLX 011443
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY NATIONAL WEATHER SERVICE JACKSON KY
1043 AM EDT SUN JUL 1 2012

VAC027-011500-
/O.CON.KRLX.SV.W.0087.000000T0000Z-120701T1500Z/
BUCHANAN VA-
1043 AM EDT SUN JUL 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT
FOR SOUTH CENTRAL BUCHANAN COUNTY...

AT 1040 AM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
 THIS STORM WAS LOCATED OVER SOUTH CENTRAL BUCHANAN COUNTY...OR 8
MILES EAST OF DAVENPORT...MOVING EAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF THE INDICATED COUNTY.

TO REPORT DAMAGING WINDS...LARGE HAIL OR FLOODING TO THE NATIONAL
WEATHER SERVICE...CALL TOLL FREE AT...1...8 7 7...6 3 3...6 7 7 2...
WHEN YOU CAN DO SO SAFELY.

LAT...LON 3706 8213 3723 8208 3718 8179 3716 8186
      3714 8188 3712 8200 3708 8201 3705 8204
      3704 8206
TIME...MOT...LOC 1442Z 278DEG 26KT 3713 8197

$$
312 
WWUS51 KRLX 011447
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
ISSUED BY NATIONAL WEATHER SERVICE JACKSON KY
1047 AM EDT SUN JUL 1 2012

VAC027-011457-
/O.CAN.KRLX.SV.W.0087.000000T0000Z-120701T1500Z/
BUCHANAN VA-
1047 AM EDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL BUCHANAN COUNTY
IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE AREA AND NO
LONGER POSES A THREAT.

TO REPORT DAMAGE FROM SEVERE WEATHER...CALL THE NATIONAL WEATHER
SERVICE...TOLL FREE AT...1...8 7 7...6 3 3...6 7 7 2...WHEN YOU CAN
DO SO SAFELY.

LAT...LON 3706 8213 3723 8208 3718 8179 3716 8186
      3714 8188 3712 8200 3708 8201 3705 8204
      3704 8206
TIME...MOT...LOC 1447Z 278DEG 26KT 3712 8192

$$

GREIF

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 9:19 AM EDTSevere Thunderstorm WarningRLXBuchanan41 min
Jul 1, 9:46 AM EDTSevere Thunderstorm WarningRLXBuchanan, Dickenson44 min
Jul 1, 10:06 AM EDTSevere Thunderstorm WarningRLXBuchanan39 min

Nearby

Severe Thunderstorm Warnings in 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; radar from the NEXRAD Level II archive.