Alert archive / North Carolina / Tornado Warnings in 2015
Tornado Warning 3, NWS Blacksburg, VA
NWS Blacksburg, VA issued this tornado warning at Apr 20, 2015, 3:52 PM EDT for Caswell County, Rockingham County, North Carolina. It was in force for 23 min. 2 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 20, 2015, 3:52 PM EDT (19:52 UTC)
- Expired
- Apr 20, 2015, 4:15 PM EDT
- In force
- 23 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.5 in
Counties Caswell County, NC, Rockingham County, NC
The radar
The Roanoke radar (KFCX), 109 km from the middle of the area, began a volume at 19:52 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 20, 4:05 PM EDT | HAIL 1 | 4 Ese Quick, NC | |
| Apr 20, 4:17 PM EDT | HAIL 1.75 | Yanceyville, NC |
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 20, 2:55 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.9 hours before the alert went out and 51 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
- 17 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 654 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
164
WFUS51 KRNK 201952
TORRNK
NCC033-157-202015-
/O.NEW.KRNK.TO.W.0003.150420T1952Z-150420T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
352 PM EDT MON APR 20 2015
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* TORNADO WARNING FOR...
CASWELL COUNTY IN NORTH CENTRAL NORTH CAROLINA...
SOUTHEASTERN ROCKINGHAM COUNTY IN NORTH CENTRAL NORTH CAROLINA...
* UNTIL 415 PM EDT
* AT 352 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR REIDSVILLE...MOVING EAST AT 40 MPH.
HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE
DAMAGE IS LIKELY.
* THIS DANGEROUS STORM WILL BE NEAR...
CAMP SPRINGS AROUND 400 PM EDT.
YANCEYVILLE AND JERICHO AROUND 415 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF HAIL OF ANY
SIZE...AS WELL AS ANY REPORTS OF WIND DAMAGE...INCLUDING DOWNED TREES
OR LARGE LIMBS...TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE
AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS AND PICTURES CAN ALSO BE
SHARED ON THE NATIONAL WEATHER SERVICE BLACKSBURG FACEBOOK PAGE AND
ON TWITTER.
&&
LAT...LON 3630 7968 3653 7923 3634 7915 3628 7915
3625 7937 3625 7964
TIME...MOT...LOC 1952Z 251DEG 33KT 3629 7961
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
WP2 follow-up statements
655
WWUS51 KRNK 202003
SVSRNK
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
403 PM EDT MON APR 20 2015
NCC157-202012-
/O.CAN.KRNK.TO.W.0003.000000T0000Z-150420T2015Z/
ROCKINGHAM NC-
403 PM EDT MON APR 20 2015
...THE TORNADO WARNING FOR
SOUTHEASTERN ROCKINGHAM COUNTY IS CANCELLED...
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FOR
NORTH CENTRAL NORTH CAROLINA AND SOUTH CENTRAL VIRGINIA.
WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF HAIL OF ANY
SIZE...AS WELL AS ANY REPORTS OF WIND DAMAGE...INCLUDING DOWNED TREES
OR LARGE LIMBS...TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE
AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS AND PICTURES CAN ALSO BE
SHARED ON THE NATIONAL WEATHER SERVICE BLACKSBURG FACEBOOK PAGE AND
ON TWITTER.
LAT...LON 3628 7953 3638 7952 3653 7923 3634 7915
3628 7915 3625 7937
TIME...MOT...LOC 2002Z 251DEG 33KT 3632 7950
$$
NCC033-202015-
/O.CON.KRNK.TO.W.0003.000000T0000Z-150420T2015Z/
CASWELL NC-
403 PM EDT MON APR 20 2015
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR
CASWELL COUNTY...
AT 402 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER CAMP SPRINGS...MOVING EAST AT 40 MPH.
HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
LOCATIONS IMPACTED INCLUDE...
YANCEYVILLE...
CAMP SPRINGS...
JERICHO...
HAMER...
AND BAYNES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF HAIL OF ANY
SIZE...AS WELL AS ANY REPORTS OF WIND DAMAGE...INCLUDING DOWNED TREES
OR LARGE LIMBS...TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE
AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS AND PICTURES CAN ALSO BE
SHARED ON THE NATIONAL WEATHER SERVICE BLACKSBURG FACEBOOK PAGE AND
ON TWITTER.
&&
LAT...LON 3628 7953 3638 7952 3653 7923 3634 7915
3628 7915 3625 7937
TIME...MOT...LOC 2002Z 251DEG 33KT 3632 7950
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
WP006
WWUS51 KRNK 202017
SVSRNK
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
417 PM EDT MON APR 20 2015
NCC033-202026-
/O.EXP.KRNK.TO.W.0003.000000T0000Z-150420T2015Z/
CASWELL NC-
417 PM EDT MON APR 20 2015
...THE TORNADO WARNING FOR
CASWELL COUNTY HAS EXPIRED...
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
BEEN CANCELLED. HOWEVER...LARGE HAIL AND DAMAGING WINDS REMAIN LIKELY
AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE AREA.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FOR
NORTH CENTRAL NORTH CAROLINA AND SOUTH CENTRAL VIRGINIA.
WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF HAIL OF ANY
SIZE...AS WELL AS ANY REPORTS OF WIND DAMAGE...INCLUDING DOWNED TREES
OR LARGE LIMBS...TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE
AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS AND PICTURES CAN ALSO BE
SHARED ON THE NATIONAL WEATHER SERVICE BLACKSBURG FACEBOOK PAGE AND
ON TWITTER.
BE ADVISED THAT...WHILE THIS WARNING HAS ENDED...A SEVERE
THUNDERSTORM WARNING IS IN EFFECT FOR CASWELL COUNTY.
LAT...LON 3628 7953 3638 7952 3653 7923 3634 7915
3628 7915 3625 7937
TIME...MOT...LOC 2014Z 251DEG 33KT 3632 7950
$$
WPThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 11:25 PM EDT | Special Weather Statement | RNK | Ashe, Watauga | 65 min |
| Apr 20, 12:19 AM EDT | Special Weather Statement | RNK | Alleghany, Ashe | 26 min |
| Apr 20, 12:54 AM EDT | Areal Flood Warning | RNK | Alleghany, Ashe, Surry, Watauga, Wilkes | 9 hr |
| Apr 20, 3:29 AM EDT | Areal Flood Warning | RNK | Rockingham, Stokes | 6 hr |
| Apr 20, 9:44 AM EDT | Areal Flood Warning | RNK | Watauga | 3 hr |
| Apr 20, 3:10 PM EDT | Special Weather Statement | RNK | Rockingham | 35 min |
| Apr 20, 3:19 PM EDT | Severe Thunderstorm Warning | RNK | Caswell, Rockingham | 56 min |
| Apr 20, 3:23 PM EDT | Special Weather Statement | RNK | Alleghany | 37 min |
| Apr 20, 3:29 PM EDT | Special Weather Statement | RNK | Wilkes | 61 min |
| Apr 20, 3:43 PM EDT | Severe Thunderstorm Warning | RNK | Rockingham | 34 min |
| Apr 20, 4:03 PM EDT | Special Weather Statement | RNK | Watauga | 27 min |
| Apr 20, 4:15 PM EDT | Severe Thunderstorm Warning | RNK | Caswell | 30 min |
| Apr 20, 4:30 PM EDT | Special Weather Statement | RNK | Ashe | 30 min |
| Apr 20, 4:37 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Ashe | 38 min |
| Apr 20, 4:53 PM EDT | Areal Flood Advisory | RNK | Alleghany, Ashe, Watauga | 5 hr |
| Apr 20, 5:42 PM EDT | Special Weather Statement | RNK | Watauga | 33 min |
| Apr 20, 7:01 PM EDT | Special Weather Statement | RNK | Watauga | 29 min |
| Apr 20, 7:35 PM EDT | Special Weather Statement | RNK | Alleghany | 25 min |
Nearby
Tornado Warnings in North Carolina, 2015Every tornado warning in 2015Tornadoes in 2015
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.