Alert archive / North Carolina / Tornado Warnings in 2011
Tornado Warning 54, NWS Blacksburg, VA
NWS Blacksburg, VA issued this tornado warning at Apr 28, 2011, 3:40 AM EDT for Surry County, Wilkes County, Yadkin County, North Carolina. It was in force for 34 min. 6 reports 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
- Apr 28, 2011, 3:40 AM EDT (07:40 UTC)
- Expired
- Apr 28, 2011, 4:14 AM EDT
- In force
- 34 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
Counties Surry County, NC, Wilkes County, NC, Yadkin County, NC
The radar
The Roanoke radar (KFCX), 128 km from the middle of the area, began a volume at 07:41 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 28, 3:47 AM EDT | TSTM WND DMG | 5 Sse North Wilkesboro, NC | A TREE WAS BLOWN DOWN. |
| Apr 28, 3:56 AM EDT | TSTM WND DMG | 3 Ssw Ronda, NC | A TREE WAS BLOWN DOWN. |
| Apr 28, 3:56 AM EDT | TSTM WND DMG | 3 Wnw Windy Gap, NC | A TREE WAS BLOWN DOWN. |
| Apr 28, 3:56 AM EDT | TSTM WND DMG | 5 Ssw Ronda, NC | A TREE WAS BLOWN DOWN. |
| Apr 28, 3:57 AM EDT | TSTM WND DMG | 3 Nw Windy Gap, NC | A TREE WAS BLOWN DOWN. |
| Apr 28, 4:00 AM EDT | TSTM WND DMG | 5 Sw Ronda, NC | A TREE WAS BLOWN DOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 28, 12:41 AM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 7.7 hours before the alert went out and 106 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
- 2272 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 766 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 3.5
- Supercell composite
- 14.4
The text
As transmitted, in the capitals the NWS used until 2016.
272
WFUS51 KRNK 280740
TORRNK
NCC171-193-197-280830-
/O.NEW.KRNK.TO.W.0054.110428T0740Z-110428T0830Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
340 AM EDT THU APR 28 2011
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* TORNADO WARNING FOR...
YADKIN COUNTY IN NORTHWEST NORTH CAROLINA
SOUTHWESTERN SURRY COUNTY IN NORTH CENTRAL NORTH CAROLINA
SOUTHEASTERN WILKES COUNTY IN NORTHWEST NORTH CAROLINA
* UNTIL 430 AM EDT.
* AT 336 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES SOUTH OF
BOOMER...OR 6 MILES NORTHWEST OF TAYLORSVILLE...MOVING NORTHEAST AT
50 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM EDT THURSDAY MORNING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA AND
SOUTHEAST WEST VIRGINIA.
&&
LAT...LON 3602 8135 3605 8140 3636 8086 3613 8049
3605 8073 3605 8099 3604 8104 3603 8106
3602 8125 3599 8133
TIME...MOT...LOC 0740Z 239DEG 44KT 3599 8122
$$3 follow-up statements
617
WWUS51 KRNK 280751
SVSRNK
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
351 AM EDT THU APR 28 2011
NCC171-193-197-280830-
/O.CON.KRNK.TO.W.0054.000000T0000Z-110428T0830Z/
YADKIN NC-SURRY NC-WILKES NC-
351 AM EDT THU APR 28 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 AM EDT FOR
SOUTHEASTERN WILKES...SOUTHWESTERN SURRY AND YADKIN COUNTIES...
AT 350 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED 6 MILES SOUTHWEST OF
WINDY GAP...OR 7 MILES SOUTHEAST OF WILKESBORO...MOVING NORTHEAST AT
55 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN BLACKSBURG AT...1...8 6 6...2 1 5...4 3 2 4...WHEN YOU CAN
DO SO SAFELY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM EDT THURSDAY MORNING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA AND
SOUTHEAST WEST VIRGINIA.
&&
LAT...LON 3602 8135 3605 8140 3636 8086 3613 8049
3605 8073 3605 8099 3604 8104 3603 8106
3602 8125 3599 8133
TIME...MOT...LOC 0751Z 237DEG 46KT 3608 8106
$$228
WWUS51 KRNK 280758
SVSRNK
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
358 AM EDT THU APR 28 2011
NCC171-193-197-280830-
/O.CON.KRNK.TO.W.0054.000000T0000Z-110428T0830Z/
YADKIN NC-SURRY NC-WILKES NC-
358 AM EDT THU APR 28 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 AM EDT FOR
SOUTHEASTERN WILKES...SOUTHWESTERN SURRY AND YADKIN COUNTIES...
AT 355 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR WINDY GAP...OR 9
MILES SOUTHWEST OF RONDA...MOVING NORTHEAST AT 55 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
TO REPORT SEVERE WEATHER...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN BLACKSBURG AT...1...8 6 6...2 1 5...4 3 2 4...WHEN YOU CAN
DO SO SAFELY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM EDT THURSDAY MORNING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA AND
SOUTHEAST WEST VIRGINIA.
&&
LAT...LON 3602 8135 3605 8140 3636 8086 3613 8049
3605 8073 3605 8099 3604 8104 3603 8106
3602 8125 3599 8133
TIME...MOT...LOC 0758Z 237DEG 46KT 3613 8096
$$126
WWUS51 KRNK 280814
SVSRNK
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
414 AM EDT THU APR 28 2011
NCC171-193-197-280823-
/O.CAN.KRNK.TO.W.0054.000000T0000Z-110428T0830Z/
YADKIN NC-SURRY NC-WILKES NC-
414 AM EDT THU APR 28 2011
...THE TORNADO WARNING FOR SOUTHEASTERN WILKES...SOUTHWESTERN SURRY
AND YADKIN COUNTIES IS CANCELLED...
THE TORNADO THREAT FOR THE WARNED AREA HAS ENDED. THE THUNDERSTORM
PRODUCING THE TORNADO HAS WEAKENED AND MOVED OUT OF THE WARNING AREA.
STAY TUNED TO NOAA WEATHER RADIO...TV OR YOUR LOCAL NEW SOURCE FOR
THE LATEST WEATHER INFORMATION. REPORT ANY SEVERE WEATHER OR STORM
RELATED DAMAGE TO LOCAL LAW ENFORCEMENT OFFICIALS AND ASK THEM TO
IMMEDIATELY RELAY THE REPORT TO THE NATIONAL WEATHER SERVICE IN
BLACKSBURG.
TO REPORT SEVERE WEATHER...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN BLACKSBURG AT...1...8 6 6...2 1 5...4 3 2 4.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM EDT THURSDAY MORNING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA AND
SOUTHEAST WEST VIRGINIA.
LAT...LON 3602 8135 3605 8140 3636 8086 3613 8049
3605 8073 3605 8099 3604 8104 3603 8106
3602 8125 3599 8133
TIME...MOT...LOC 0813Z 237DEG 46KT 3623 8076
$$The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 8:45 PM EDT | Severe Thunderstorm Warning | RNK | Caswell | 45 min |
| Apr 27, 9:06 PM EDT | Flash Flood Watch | RNK | Alleghany, Ashe, Surry, Watauga, Wilkes | 13 hr |
| Apr 27, 11:19 PM EDT | Flash Flood Warning | RNK | Alleghany, Ashe, Wilkes | 6 hr |
| Apr 28, 12:01 AM EDT | Tornado Warning | RNK | Ashe | 44 min |
| Apr 28, 3:47 AM EDT | Tornado Warning | RNK | Surry, Wilkes, Yadkin | 27 min |
| Apr 28, 4:17 AM EDT | Severe Thunderstorm Warning | RNK | Caswell, Rockingham | 30 min |
| Apr 28, 5:32 AM EDT | Flash Flood Warning | RNK | Alleghany | 3 hr |
| Apr 28, 5:51 AM EDT | Severe Thunderstorm Warning | RNK | Stokes, Surry | 54 min |
| Apr 28, 6:24 AM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Surry, Wilkes, Yadkin | 35 min |
| Apr 28, 6:48 AM EDT | Severe Thunderstorm Warning | RNK | Surry | 24 min |
| Apr 28, 7:11 AM EDT | Special Weather Statement | RNK | Stokes | 19 min |
Nearby
Tornado Warnings in North Carolina, 2011Every tornado warning in 2011Tornadoes 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.