Alert archive / Virginia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 2, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Feb 24, 2012, 11:36 AM EST for Bland County, Giles County, Tazewell County, Virginia; Mercer County, Monroe County, Summers County, West Virginia. It was in force for 32 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
- Feb 24, 2012, 11:36 AM EST (16:36 UTC)
- Expired
- Feb 24, 2012, 12:08 PM EST
- In force
- 32 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
Counties Bland County, VA, Giles County, VA, Tazewell County, VA, Mercer County, WV, Monroe County, WV, Summers County, WV
The radar
The Roanoke radar (KFCX), 62 km from the middle of the area, began a volume at 16:38 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 nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 4.6 hours before the alert went out and 125 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.
- Mixed-layer CAPE
- 14 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 746 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 387 m²/s²
- 0-3 km storm-relative helicity
- 512 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
110
WUUS51 KRNK 241636
SVRRNK
VAC021-071-185-WVC055-063-089-241730-
/O.NEW.KRNK.SV.W.0002.120224T1636Z-120224T1730Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
1136 AM EST FRI FEB 24 2012
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN TAZEWELL COUNTY IN SOUTHWEST VIRGINIA
GILES COUNTY IN SOUTHWEST VIRGINIA
NORTHERN BLAND COUNTY IN SOUTHWEST VIRGINIA
SOUTHWESTERN MONROE COUNTY IN SOUTHEAST WEST VIRGINIA
MERCER COUNTY IN SOUTHEAST WEST VIRGINIA
SOUTHERN SUMMERS COUNTY IN SOUTHEAST WEST VIRGINIA
* UNTIL 1230 PM EST.
* AT 1133 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING ONE INCH DIAMETER HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR GRATTON...OR 6 MILES NORTHEAST OF TAZEWELL...AND MOVING EAST
AT 65 MPH.
* LOCATIONS IMPACTED INCLUDE...
CLEAR FORK...
ROCKY GAP...
CHAPEL...
THESSALIA...
PEARISBURG...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.
WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF QUARTER OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 6 6...2 1 5...4 3 2 4.
&&
LAT...LON 3723 8152 3762 8074 3730 8046 3727 8051
3726 8058 3721 8070 3719 8077 3716 8084
3710 8099 3706 8145
TIME...MOT...LOC 1636Z 256DEG 55KT 3717 8137
$$
SK2 follow-up statements
898
WWUS51 KRNK 241652
SVSRNK
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1152 AM EST FRI FEB 24 2012
VAC185-241702-
/O.CAN.KRNK.SV.W.0002.000000T0000Z-120224T1730Z/
TAZEWELL VA-
1152 AM EST FRI FEB 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TAZEWELL COUNTY
IS CANCELLED...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
&&
LAT...LON 3762 8074 3730 8046 3727 8051 3726 8058
3721 8070 3719 8077 3717 8112 3732 8120
TIME...MOT...LOC 1652Z 256DEG 55KT 3725 8108
$$
VAC021-071-WVC055-063-089-241730-
/O.CON.KRNK.SV.W.0002.000000T0000Z-120224T1730Z/
GILES VA-BLAND VA-MONROE WV-MERCER WV-SUMMERS WV-
1152 AM EST FRI FEB 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 PM EST
FOR GILES...NORTHEASTERN BLAND...SOUTHWESTERN MONROE...SOUTHEASTERN
MERCER AND SOUTHERN SUMMERS COUNTIES...
AT 1150 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ROCKY GAP...MOVING
EAST AT 65 MPH.
LOCATIONS IMPACTED INCLUDE...
ROCKY GAP...
CHAPEL...
NARROWS...
PEARISBURG...
PEMBROKE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER.
REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...
DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY
HEAVY RAIN.
&&
LAT...LON 3762 8074 3730 8046 3727 8051 3726 8058
3721 8070 3719 8077 3717 8112 3732 8120
TIME...MOT...LOC 1652Z 256DEG 55KT 3725 8108
$$
SK524
WWUS51 KRNK 241708
SVSRNK
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1208 PM EST FRI FEB 24 2012
VAC021-071-WVC055-063-089-241718-
/O.CAN.KRNK.SV.W.0002.000000T0000Z-120224T1730Z/
GILES VA-BLAND VA-MONROE WV-MERCER WV-SUMMERS WV-
1208 PM EST FRI FEB 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR GILES...NORTHEASTERN BLAND...
SOUTHWESTERN MONROE...SOUTHEASTERN MERCER AND SOUTHERN SUMMERS
COUNTIES IS CANCELLED...
THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED.
THEREFORE...THE WARNING HAS BEEN CANCELLED.
TO REPORT SEVERE WEATHER...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN BLACKSBURG AT...1 8 6 6...2 1 5...4 3 2 4.
STAY TUNED TO NOAA WEATHER RADIO...TV OR YOUR LOCAL NEW SOURCE FOR
THE LATEST WEATHER INFORMATION. REPORT ANY SEVERE WEATHER OR STORM
RELATED DAMAGE TO LOCAL LAW ENFORCEMENT OFFICIALS AND ASK THEM TO
IMMEDIATELY RELAY THE REPORT TO THE NATIONAL WEATHER SERVICE IN
BLACKSBURG.
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
LAT...LON 3762 8074 3730 8046 3727 8051 3726 8058
3721 8070 3719 8077 3717 8112 3732 8120
TIME...MOT...LOC 1708Z 256DEG 55KT 3731 8078
$$
SKThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 6:00 AM EST | Special Weather Statement | RNK | Smyth | 30 min |
| Feb 24, 6:14 AM EST | Special Weather Statement | RNK | Alleghany, City of Covington | 31 min |
| Feb 24, 9:55 AM EST | Special Weather Statement | RNK | Bland, Giles | 35 min |
| Feb 24, 12:06 PM EST | Severe Thunderstorm Warning | RNK | Alleghany, Botetourt, City of Covington | 39 min |
| Feb 24, 12:33 PM EST | Severe Thunderstorm Warning | RNK | Alleghany, Amherst, Bedford, Botetourt, Craig, Rockbridge and 1 more | 42 min |
| Feb 24, 12:41 PM EST | Severe Thunderstorm Warning | RNK | Patrick | 34 min |
| Feb 24, 12:57 PM EST | Severe Thunderstorm Warning | RNK | Amherst, Bedford, Botetourt, Floyd, Franklin, Montgomery and 3 more | 63 min |
| Feb 24, 1:42 PM EST | Severe Thunderstorm Warning | RNK | Bedford, Campbell, Franklin | 20 min |
| Feb 24, 1:46 PM EST | Severe Thunderstorm Warning | RNK | Floyd, Franklin | 44 min |
| Feb 24, 1:53 PM EST | Severe Thunderstorm Warning | RNK | Amherst, Appomattox, Bedford, Buckingham, Campbell, City of Lynchburg | 57 min |
| Feb 24, 2:12 PM EST | Special Weather Statement | RNK | Amherst | 33 min |
| Feb 24, 2:18 PM EST | Severe Thunderstorm Warning | RNK | Bedford, Campbell, Franklin, Pittsylvania | 42 min |
| Feb 24, 2:42 PM EST | Special Weather Statement | RNK | Henry, City of Martinsville | 48 min |
| Feb 24, 2:47 PM EST | Severe Thunderstorm Warning | RNK | Franklin, Henry, Pittsylvania, City of Martinsville | 19 min |
| Feb 24, 3:04 PM EST | Special Weather Statement | RNK | City of Danville | 41 min |
| Feb 24, 3:10 PM EST | Special Weather Statement | RNK | Buckingham, City of Lynchburg | 35 min |
| Feb 24, 3:45 PM EST | Special Weather Statement | RNK | City of Danville | 45 min |
| Feb 24, 4:13 PM EST | Special Weather Statement | RNK | Charlotte | 47 min |
| Feb 24, 4:29 PM EST | Special Weather Statement | RNK | Halifax | 16 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 2012Severe 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; radar from the NEXRAD Level II archive.