Alert archive / Virginia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 9, NWS Blacksburg, VA

February 24, 2016Caswell County, Rockingham County, North Carolina; 4 counties in Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Feb 24, 2016, 2:26 PM EST for Caswell County, Rockingham County, North Carolina; 4 counties in Virginia. It was in force for 64 min. 9 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: Feb 24, 2016, 2:26 PM EST (19:26 UTC)
Expired: Feb 24, 2016, 3:30 PM EST
In force: 64 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Caswell County, NC, Rockingham County, NC, City of Danville, VA, Halifax County, VA, Henry County, VA, Pittsylvania County, VA

The radar

The Roanoke radar (KFCX), 78 km from the middle of the area, began a volume at 19:28 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, 2:44 PM EST	TSTM WND DMG	Dry Fork, VA
Feb 24, 2:44 PM EST	TSTM WND DMG	Java, VA	TREES DOWN.
Feb 24, 2:45 PM EST	HAIL 1	3 Wnw Chatham, VA
Feb 24, 2:50 PM EST	TSTM WND DMG	2 S Chatham, VA	MULTIPLE TREES AND POWER LINES DOWN ON RT 29
Feb 24, 2:55 PM EST	HAIL 1	Chatham, VA
Feb 24, 3:00 PM EST	TSTM WND DMG	5 E Danville City, VA	POWER LINES AND POLES DOWN ON MOUNTAIN HILL ROAD.
Feb 24, 3:15 PM EST	TSTM WND DMG	5 Ese Blairs, VA	TREES AND POWER LINES DOWN.
Feb 24, 3:25 PM EST	HAIL 1.5	1 S Leda, VA	ALSO MENTIONED SEVERAL 3-4 IN BRANCHES DOWN AROUND PROPERTY.
Feb 24, 3:26 PM EST	TSTM WND DMG	5 Ene Danville City, VA	A TREE DOWN ACROSS THE WILKERSON ROAD.

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
Feb 24, 11:16 AM EST	Tornado Watch	SPC	8 hr
Feb 24, 1:46 PM EST	Tornado Watch	SPC	9 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 7.4 hours before the alert went out and 27 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 465 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 828 m²/s²
0-3 km storm-relative helicity: 913 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

510 
WUUS51 KRNK 241926
SVRRNK
NCC033-157-VAC083-089-143-590-242030-
/O.NEW.KRNK.SV.W.0009.160224T1926Z-160224T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
226 PM EST WED FEB 24 2016

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CASWELL COUNTY IN NORTH CENTRAL NORTH CAROLINA...
  NORTHEASTERN ROCKINGHAM COUNTY IN NORTH CENTRAL NORTH CAROLINA...
  PITTSYLVANIA COUNTY IN SOUTH CENTRAL VIRGINIA...
  EASTERN HENRY COUNTY IN SOUTH CENTRAL VIRGINIA...
  WESTERN HALIFAX COUNTY IN SOUTH CENTRAL VIRGINIA...
  THE CITY OF DANVILLE IN SOUTH CENTRAL VIRGINIA...

* UNTIL 330 PM EST

* AT 226 PM EST...A SEVERE THUNDERSTORM WAS LOCATED OVER CASCADE...
  MOVING EAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  DANVILLE...
  EDEN...
  ALTAVISTA...
  HURT...
  AND CHATHAM. 

THIS INCLUDES DANVILLE AIRPORT.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. FOR YOUR
SAFETY...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. STAY AWAY FROM WINDOWS.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EST FOR NORTH CENTRAL
NORTH CAROLINA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM
EST FOR SOUTH CENTRAL VIRGINIA.

LAT...LON 3650 7973 3680 7975 3686 7964 3704 7960
      3705 7954 3701 7948 3702 7946 3706 7949
      3706 7941 3712 7938 3714 7934 3710 7930
      3713 7925 3710 7922 3712 7921 3705 7919
      3709 7913 3705 7907 3654 7903
TIME...MOT...LOC 1926Z 254DEG 31KT 3659 7966 

HAIL...1.00IN
WIND...60MPH
 
$$

KK

2 follow-up statements

171 
WWUS51 KRNK 241947
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
247 PM EST WED FEB 24 2016

VAC089-241956-
/O.CAN.KRNK.SV.W.0009.000000T0000Z-160224T2030Z/
HENRY VA-
247 PM EST WED FEB 24 2016

...THE SEVERE THUNDERSTORM WARNING FOR 
EASTERN HENRY COUNTY IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EST FOR NORTH CENTRAL
NORTH CAROLINA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM
EST FOR 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 3650 7968 3703 7951 3701 7948 3702 7946
      3706 7949 3706 7941 3712 7938 3714 7934
      3710 7930 3713 7925 3710 7922 3712 7921
      3705 7919 3709 7913 3705 7907 3654 7903
TIME...MOT...LOC 1946Z 245DEG 34KT 3702 7935 3644 7951 

$$

NCC033-157-VAC083-143-590-242030-
/O.CON.KRNK.SV.W.0009.000000T0000Z-160224T2030Z/
CASWELL NC-ROCKINGHAM NC-PITTSYLVANIA VA-HALIFAX VA-
CITY OF DANVILLE VA-
247 PM EST WED FEB 24 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EST
FOR
NORTHERN CASWELL...NORTHEASTERN ROCKINGHAM...PITTSYLVANIA...WESTERN
HALIFAX COUNTIES AND THE CITY OF DANVILLE...

AT 246 PM EST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR GRETNA TO NEAR RUFFIN...MOVING NORTHEAST AT 40
MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
DANVILLE...
ALTAVISTA...
HURT...
CHATHAM...
AND GRETNA. 

THIS INCLUDES DANVILLE AIRPORT.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. FOR YOUR
SAFETY...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. STAY AWAY FROM WINDOWS.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EST FOR NORTH CENTRAL
NORTH CAROLINA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM
EST FOR SOUTH CENTRAL VIRGINIA.

LAT...LON 3650 7968 3703 7951 3701 7948 3702 7946
      3706 7949 3706 7941 3712 7938 3714 7934
      3710 7930 3713 7925 3710 7922 3712 7921
      3705 7919 3709 7913 3705 7907 3654 7903
TIME...MOT...LOC 1946Z 245DEG 34KT 3702 7935 3644 7951 

HAIL...1.00IN
WIND...60MPH
 
$$

16

385 
WWUS51 KRNK 242022
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
322 PM EST WED FEB 24 2016

NCC157-242031-
/O.CAN.KRNK.SV.W.0009.000000T0000Z-160224T2030Z/
ROCKINGHAM NC-
322 PM EST WED FEB 24 2016

...THE SEVERE THUNDERSTORM WARNING FOR 
NORTHEASTERN ROCKINGHAM COUNTY IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EST FOR NORTH CENTRAL
NORTH CAROLINA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM
EST FOR 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 3654 7951 3654 7955 3706 7941 3712 7934
      3710 7930 3713 7925 3710 7923 3711 7921
      3707 7920 3705 7919 3709 7913 3707 7911
      3705 7907 3654 7903 3651 7951
TIME...MOT...LOC 2021Z 254DEG 31KT 3710 7901 3652 7917 

$$

NCC033-VAC083-143-590-242030-
/O.CON.KRNK.SV.W.0009.000000T0000Z-160224T2030Z/
CASWELL NC-PITTSYLVANIA VA-HALIFAX VA-CITY OF DANVILLE VA-
322 PM EST WED FEB 24 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EST
FOR
NORTHERN CASWELL...PITTSYLVANIA...WESTERN HALIFAX COUNTIES AND THE
CITY OF DANVILLE...

AT 321 PM EST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR BROOKNEAL TO SEMORA...MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
DANVILLE...
ALTAVISTA...
HURT...
CHATHAM...
AND GRETNA. 

THIS INCLUDES DANVILLE AIRPORT.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. FOR YOUR
SAFETY...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. STAY AWAY FROM WINDOWS.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EST FOR NORTH CENTRAL
NORTH CAROLINA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM
EST FOR SOUTH CENTRAL VIRGINIA.

LAT...LON 3654 7951 3654 7955 3706 7941 3712 7934
      3710 7930 3713 7925 3710 7923 3711 7921
      3707 7920 3705 7919 3709 7913 3707 7911
      3705 7907 3654 7903 3651 7951
TIME...MOT...LOC 2021Z 254DEG 31KT 3710 7901 3652 7917 

HAIL...1.00IN
WIND...60MPH
 
$$

KK

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 24, 10:42 AM EST	Areal Flood Advisory	RNK	Watauga	6 hr
Feb 24, 11:15 AM EST	Special Weather Statement	RNK	Wilkes	60 min
Feb 24, 11:34 AM EST	Special Weather Statement	RNK	Alleghany, Surry	56 min
Feb 24, 12:02 PM EST	Severe Thunderstorm Warning	RNK	Wilkes, Yadkin	24 min
Feb 24, 12:19 PM EST	Severe Thunderstorm Warning	RNK	Stokes, Surry, Yadkin	41 min
Feb 24, 12:51 PM EST	Severe Thunderstorm Warning	RNK	Yadkin	24 min
Feb 24, 1:12 PM EST	Special Weather Statement	RNK	Stokes	33 min
Feb 24, 1:21 PM EST	Severe Thunderstorm Warning	RNK	Rockingham, Stokes	39 min
Feb 24, 1:37 PM EST	Severe Thunderstorm Warning	RNK	Rockingham	53 min
Feb 24, 1:55 PM EST	Severe Thunderstorm Warning	RNK	Caswell, Rockingham	65 min
Feb 24, 2:54 PM EST	Tornado Warning	RNK	Caswell	36 min
Feb 24, 3:21 PM EST	Severe Thunderstorm Warning	RNK	Caswell, Rockingham	54 min
Feb 24, 11:02 AM EST	River Flood Warning	RNK	Charlotte, Halifax	67 hr
Feb 24, 11:02 AM EST	River Flood Warning	RNK	Halifax	3 days
Feb 24, 12:37 PM EST	Severe Thunderstorm Warning	RNK	Carroll, Floyd, Patrick	53 min
Feb 24, 12:57 PM EST	Severe Thunderstorm Warning	RNK	Floyd, Franklin, Giles, Montgomery, Pulaski, Roanoke and 2 more	32 min
Feb 24, 2:03 PM EST	Special Weather Statement	RNK	Bedford, Franklin	27 min
Feb 24, 2:26 PM EST	Special Weather Statement	RNK	Amherst, Bedford, Rockbridge, City of Buena Vista, City of Lexington, City of Lynchburg	34 min
Feb 24, 2:41 PM EST	Tornado Warning	RNK	Pittsylvania, City of Danville	34 min
Feb 24, 3:08 PM EST	Severe Thunderstorm Warning	RNK	Amherst, Appomattox, Campbell, Charlotte, Halifax, City of Lynchburg	67 min
Feb 24, 3:15 PM EST	Tornado Warning	RNK	Campbell, Charlotte, Halifax, Pittsylvania	30 min
Feb 24, 3:27 PM EST	Tornado Warning	RNK	Appomattox, Campbell	33 min
Feb 24, 3:39 PM EST	Severe Thunderstorm Warning	RNK	Appomattox, Buckingham	66 min
Feb 24, 3:43 PM EST	Tornado Warning	RNK	Appomattox, Campbell, Charlotte	32 min
Feb 24, 3:45 PM EST	Tornado Warning	RNK	Appomattox, Buckingham	30 min
Feb 24, 3:52 PM EST	Severe Thunderstorm Warning	RNK	Charlotte, Halifax	53 min
Feb 24, 4:13 PM EST	Tornado Warning	RNK	Charlotte, Halifax	32 min
Feb 24, 4:34 PM EST	Severe Thunderstorm Warning	RNK	Charlotte, Halifax	24 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2016 Severe Thunderstorm Warnings in North Carolina, 2016 Every severe thunderstorm warning in 2016

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.