Alert archive / Virginia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 3, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Feb 24, 2012, 12:06 PM EST for Greenbrier County, West Virginia; Alleghany County, Botetourt County, City of Covington, Virginia. It was in force for 39 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
- Feb 24, 2012, 12:06 PM EST (17:06 UTC)
- Expired
- Feb 24, 2012, 12:45 PM EST
- In force
- 39 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
Counties Alleghany County, VA, Botetourt County, VA, City of Covington, VA, Greenbrier County, WV
The radar
The Roanoke radar (KFCX), 86 km from the middle of the area, began a volume at 17:06 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 24, 12:40 PM EST | HAIL 0.5 | 3 Sw Clifton Forge City, 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, 5.1 hours before the alert went out and 79 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.
364
WUUS51 KRNK 241706
SVRRNK
VAC005-023-580-WVC025-241745-
/O.NEW.KRNK.SV.W.0003.120224T1706Z-120224T1745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
1206 PM EST FRI FEB 24 2012
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CITY OF COVINGTON IN WEST CENTRAL VIRGINIA
NORTHERN BOTETOURT COUNTY IN WEST CENTRAL VIRGINIA
CENTRAL ALLEGHANY COUNTY IN WEST CENTRAL VIRGINIA
SOUTHERN GREENBRIER COUNTY IN SOUTHEAST WEST VIRGINIA
* UNTIL 1245 PM EST.
* AT 1202 PM 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 ROARING MOUNTAIN SUMMIT...OR 6 MILES SOUTH OF WHITE SULPHUR
SPRINGS...AND MOVING EAST AT 50 MPH.
* LOCATIONS IMPACTED INCLUDE...
ALLEGHANY...
JORDAN MINES...
COVINGTON CITY...
HOLLINS...
IRON GATE...
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 3788 7981 3784 7974 3767 7981 3765 8028
3769 8029 3769 8033 3776 8035 3789 7989
TIME...MOT...LOC 1707Z 259DEG 43KT 3772 8023
$$
SK3 follow-up statements
353
WWUS51 KRNK 241716
SVSRNK
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1216 PM EST FRI FEB 24 2012
WVC025-241726-
/O.CAN.KRNK.SV.W.0003.000000T0000Z-120224T1745Z/
GREENBRIER WV-
1216 PM EST FRI FEB 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN GREENBRIER COUNTY IS
CANCELLED...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM EST FRIDAY AFTERNOON
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA AND
SOUTHEAST WEST VIRGINIA.
&&
LAT...LON 3770 8024 3777 8022 3789 7989 3788 7981
3784 7974 3767 7981 3765 8028
TIME...MOT...LOC 1716Z 261DEG 52KT 3773 8001
$$
VAC005-023-580-241745-
/O.CON.KRNK.SV.W.0003.000000T0000Z-120224T1745Z/
CITY OF COVINGTON VA-BOTETOURT VA-ALLEGHANY VA-
1216 PM EST FRI FEB 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM EST
FOR THE CITY OF COVINGTON... NORTHERN BOTETOURT AND CENTRAL ALLEGHANY
COUNTIES...
AT 1215 PM 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 COVINGTON CITY...
MOVING EAST AT 60 MPH.
LOCATIONS IMPACTED INCLUDE...
CALLAGHAN...
COVINGTON CITY...
GLEN WILTON...
IRON GATE...
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.
&&
LAT...LON 3770 8024 3777 8022 3789 7989 3788 7981
3784 7974 3767 7981 3765 8028
TIME...MOT...LOC 1716Z 261DEG 52KT 3773 8001
$$
WP484
WWUS51 KRNK 241727
SVSRNK
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1227 PM EST FRI FEB 24 2012
VAC005-023-580-241745-
/O.CON.KRNK.SV.W.0003.000000T0000Z-120224T1745Z/
CITY OF COVINGTON VA-BOTETOURT VA-ALLEGHANY VA-
1227 PM EST FRI FEB 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM EST
FOR THE CITY OF COVINGTON... NORTHERN BOTETOURT AND CENTRAL ALLEGHANY
COUNTIES...
AT 1223 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR GLEN WILTON...OR NEAR
CLIFTON FORGE CITY...MOVING EAST AT 55 MPH.
LOCATIONS IMPACTED INCLUDE...
IRON GATE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM EST FRIDAY AFTERNOON
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA AND
SOUTHEAST WEST VIRGINIA.
&&
LAT...LON 3765 8022 3775 8003 3781 8001 3789 7989
3788 7981 3784 7974 3767 7981
TIME...MOT...LOC 1727Z 256DEG 57KT 3778 7979
$$
WP198
WWUS51 KRNK 241740
SVSRNK
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1240 PM EST FRI FEB 24 2012
VAC005-023-580-241750-
/O.EXP.KRNK.SV.W.0003.000000T0000Z-120224T1745Z/
CITY OF COVINGTON VA-BOTETOURT VA-ALLEGHANY VA-
1240 PM EST FRI FEB 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR THE CITY OF COVINGTON...
NORTHERN BOTETOURT AND CENTRAL ALLEGHANY COUNTIES EXPIRES AT 1245 PM
EST...
THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED AND
EXITED THE WARNED AREA. THUS THE WARNING WILL BE ALLOWED TO
EXPIRE.
TO REPORT SEVERE WEATHER...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN BLACKSBURG AT...1...8 6 6...2 1 5...4 3 2 4. ONCE AGAIN
THAT NUMBER IS 1...8 6 6...2 1 5...4 3 2 4.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM EST FRIDAY AFTERNOON
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA AND
SOUTHEAST WEST VIRGINIA.
LAT...LON 3765 8022 3775 8003 3781 8001 3789 7989
3788 7981 3784 7974 3767 7981
TIME...MOT...LOC 1740Z 256DEG 57KT 3783 7954
$$
WPThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 11:36 AM EST | Severe Thunderstorm Warning | RNK | Mercer, Monroe, Summers | 32 min |
| 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, 12:33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.