Alert archive / North Carolina / Tornado Warnings in 2012
Tornado Warning 1, NWS Blacksburg, VA
NWS Blacksburg, VA issued this tornado warning at Feb 24, 2012, 4:07 PM EST for Caswell County, North Carolina. It was in force for 13 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, 4:07 PM EST (21:07 UTC)
- Expired
- Feb 24, 2012, 4:20 PM EST
- In force
- 13 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
County Caswell County, NC
The radar
The Raleigh/Durham radar (KRAX), 107 km from the middle of the area, began a volume at 21:06 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.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.1 hours before the alert went out and 64 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
- 150 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 742 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 271 m²/s²
- 0-3 km storm-relative helicity
- 345 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
929 WFUS51 KRNK 242107 TORRNK NCC033-242130- /O.NEW.KRNK.TO.W.0001.120224T2107Z-120224T2130Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BLACKSBURG VA 407 PM EST FRI FEB 24 2012 THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A * TORNADO WARNING FOR... CENTRAL CASWELL COUNTY IN NORTH CENTRAL NORTH CAROLINA * UNTIL 430 PM EST. * AT 403 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR YANCEYVILLE...MOVING EAST AT 50 MPH. * LOCATIONS IMPACTED INCLUDE... YANCEYVILLE... TOPNOT... LEASBURG... PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING DESTRUCTIVE STRAIGHT LINE WINDS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. WHEN IT IS SAFE TO DO SO...PLEASE RELAY YOUR SEVERE WEATHER REPORTS TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE AT...1...8 6 6...2 1 5...4 3 2 4. && LAT...LON 3635 7938 3641 7939 3646 7914 3633 7914 TIME...MOT...LOC 2107Z 266DEG 40KT 3638 7931 $$ WP
2 follow-up statements
754 WWUS51 KRNK 242115 SVSRNK SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 415 PM EST FRI FEB 24 2012 NCC033-242130- /O.CON.KRNK.TO.W.0001.000000T0000Z-120224T2130Z/ CASWELL NC- 415 PM EST FRI FEB 24 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM EST FOR EASTERN CASWELL COUNTY... AT 413 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR LEASBURG...OR 9 MILES EAST OF YANCEYVILLE...MOVING EAST AT 60 MPH. LOCATIONS IMPACTED INCLUDE... LEASBURG... PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING DESTRUCTIVE STRAIGHT LINE WINDS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3637 7922 3643 7921 3646 7914 3636 7915 TIME...MOT...LOC 2115Z 260DEG 52KT 3641 7914 $$ WP
468 WWUS51 KRNK 242120 SVSRNK SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 420 PM EST FRI FEB 24 2012 NCC033-242130- /O.CAN.KRNK.TO.W.0001.000000T0000Z-120224T2130Z/ CASWELL NC- 420 PM EST FRI FEB 24 2012 ...THE TORNADO WARNING FOR EASTERN CASWELL COUNTY IS CANCELLED... THE TORNADO THREAT FOR THE WARNED AREA HAS ENDED. THE THUNDERSTORM PRODUCING THE TORNADO HAS WEAKENED AND MOVED OUT OF THE WARNING AREA. A SEVERE THUNDERSTOM WARNING REMAINS IN EFFECT FOR EASTERN CASWELL COUNTY UNTIL 445 PM. DAMAGING STRAIGHT LINE WINDS ARE STILL EXPECTED OVER EASTERN CASWELL COUNTY. STAY INDOORS AWAY FROM WINDOWS. TO REPORT SEVERE WEATHER...PLEASE CONTACT THE NATIONAL WEATHER SERVICE IN BLACKSBURG AT...1...8 6 6...2 1 5...4 3 2 4. LAT...LON 3637 7922 3643 7921 3646 7914 3636 7915 TIME...MOT...LOC 2120Z 260DEG 52KT 3642 7905 $$ WP
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 12:41 PM EST | Severe Thunderstorm Warning | RNK | Stokes, Surry | 34 min |
| Feb 24, 2:30 PM EST | Special Weather Statement | RNK | Stokes, Yadkin | 45 min |
| Feb 24, 3:04 PM EST | Special Weather Statement | RNK | Rockingham | 41 min |
| Feb 24, 3:44 PM EST | Fire Weather Watch | RNK | Alleghany, Ashe, Caswell, Rockingham, Stokes, Surry and 3 more | 14 hr |
| Feb 24, 3:45 PM EST | Special Weather Statement | RNK | Caswell | 45 min |
| Feb 24, 3:49 PM EST | Severe Thunderstorm Warning | RNK | Caswell, Rockingham | 56 min |
Nearby
Tornado Warnings in North Carolina, 2012Every tornado warning in 2012Tornadoes 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.