Alert archive / Virginia / Tornado Warnings in 2014

Tornado Warning 4, NWS Blacksburg, VA

June 21, 2014Appomattox County, Buckingham County, Virginia

NWS Blacksburg, VA issued this tornado warning at Jun 21, 2014, 5:57 PM EDT for Appomattox County, Buckingham County, Virginia. It was in force for 33 min. 3 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: Jun 21, 2014, 5:57 PM EDT (21:57 UTC)
Expired: Jun 21, 2014, 6:30 PM EDT
In force: 33 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Appomattox County, VA, Buckingham County, VA

The radar

The Norfolk radar (KAKQ), 144 km from the middle of the area, began a volume at 21:57 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
Jun 21, 5:57 PM EDT	TSTM WND DMG	4 S Andersonville, VA	ONE TREE DOWN ALONG THE INTERSECTION OF FRANCISCO ROAD AND NEW STORE ROAD
Jun 21, 6:00 PM EDT	TSTM WND DMG	4 Sse Andersonville, VA	ONE TREE DOWN AT THE INTERSECTION OF BUCKINGHAM SPRINGS ROAD AND NEW STORE ROAD.
Jun 21, 6:00 PM EDT	TSTM WND DMG	4 Sw Andersonville, VA	A LARGE TREE WAS BLOWN DOWN ALONG FRANCISCO ROAD.

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, 10.0 hours before the alert went out and 85 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: 15 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 661 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

770 
WFUS51 KRNK 212157
TORRNK
VAC011-029-212230-
/O.NEW.KRNK.TO.W.0004.140621T2157Z-140621T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
557 PM EDT SAT JUN 21 2014

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL BUCKINGHAM COUNTY IN CENTRAL VIRGINIA...
  EAST CENTRAL APPOMATTOX COUNTY IN CENTRAL VIRGINIA...

* UNTIL 630 PM EDT
    
* AT 557 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER ANDERSONVILLE...MOVING SOUTH AT 10 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO 
           ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS 
           WILL BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS 
           LIKELY. 

* LOCATIONS IMPACTED INCLUDE...
  AND SHEPPARDS. 

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 IN A MOBILE HOME...A
VEHICLE OR OUTDOORS...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 3733 7851 3735 7854 3735 7855 3737 7856
      3736 7858 3740 7859 3738 7860 3735 7859
      3729 7865 3745 7863 3747 7854 3735 7845
TIME...MOT...LOC 2157Z 341DEG 10KT 3743 7858 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

16

3 follow-up statements

775 
WWUS51 KRNK 212214
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
614 PM EDT SAT JUN 21 2014

VAC011-029-212230-
/O.CON.KRNK.TO.W.0004.000000T0000Z-140621T2230Z/
BUCKINGHAM VA-APPOMATTOX VA-
614 PM EDT SAT JUN 21 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR 
SOUTH CENTRAL BUCKINGHAM AND EAST CENTRAL APPOMATTOX COUNTIES...
    
AT 613 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR SHEPPARDS...MOVING SOUTH AT 15 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO 
         ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL 
         BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY. 

LOCATIONS IMPACTED INCLUDE...
AND SHEPPARDS. 

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 IN A MOBILE HOME...A
VEHICLE OR OUTDOORS...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 3733 7851 3735 7854 3735 7855 3737 7856
      3736 7858 3740 7859 3738 7860 3735 7859
      3729 7865 3733 7865 3742 7863 3743 7851
      3735 7845
TIME...MOT...LOC 2213Z 343DEG 13KT 3738 7855 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

16

143 
WWUS51 KRNK 212221
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
621 PM EDT SAT JUN 21 2014

VAC011-212229-
/O.CAN.KRNK.TO.W.0004.000000T0000Z-140621T2230Z/
APPOMATTOX VA-

621 PM EDT SAT JUN 21 2014

...THE TORNADO WARNING FOR 
EAST CENTRAL APPOMATTOX COUNTY IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS REMAINED 
OUTSIDE OF THE COUNTY TO THE EAST. THEREFORE THE WARNING HAS BEEN 
CANCELLED.

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 3733 7851 3735 7854 3735 7855 3737 7856
      3736 7858 3740 7857 3741 7853 3735 7846
TIME...MOT...LOC 2219Z 341DEG 18KT 3736 7853 

$$

VAC029-212230-
/O.CON.KRNK.TO.W.0004.000000T0000Z-140621T2230Z/
BUCKINGHAM VA-
621 PM EDT SAT JUN 21 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR 
SOUTH CENTRAL BUCKINGHAM COUNTY...
    
AT 619 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR SHEPPARDS...MOVING SOUTH AT 20 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO 
         ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL 
         BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF 
SOUTH CENTRAL BUCKINGHAM COUNTY.

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 IN A MOBILE HOME...A
VEHICLE OR OUTDOORS...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 3733 7851 3735 7854 3735 7855 3737 7856
      3736 7858 3740 7857 3741 7853 3735 7846
TIME...MOT...LOC 2219Z 341DEG 18KT 3736 7853 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

16

564 
WWUS51 KRNK 212226
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
626 PM EDT SAT JUN 21 2014

VAC029-212235-
/O.EXP.KRNK.TO.W.0004.000000T0000Z-140621T2230Z/
BUCKINGHAM VA-
626 PM EDT SAT JUN 21 2014

...THE TORNADO WARNING FOR 
SOUTH CENTRAL BUCKINGHAM COUNTY WILL EXPIRE AT 630 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE.

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 3733 7851 3735 7854 3735 7855 3737 7856
      3736 7858 3740 7857 3741 7853 3735 7846
TIME...MOT...LOC 2221Z 341DEG 10KT 3736 7853 

$$

16

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 9:01 PM EDT	Special Weather Statement	RNK	Buckingham	59 min
Jun 20, 9:04 PM EDT	Special Weather Statement	RNK	Halifax	26 min
Jun 21, 4:21 PM EDT	Special Weather Statement	RNK	Buckingham	54 min
Jun 21, 5:18 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Appomattox, Buckingham	72 min
Jun 21, 5:26 PM EDT	Tornado Warning	RNK	Buckingham	34 min
Jun 21, 5:52 PM EDT	Special Weather Statement	RNK	Franklin, Pittsylvania	53 min
Jun 21, 6:31 PM EDT	Special Weather Statement	RNK	Prince Edward	29 min
Jun 21, 7:03 PM EDT	Special Weather Statement	RNK	Charlotte	42 min
Jun 21, 7:05 PM EDT	Special Weather Statement	RNK	Halifax	40 min
Jun 21, 7:09 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte	66 min
Jun 21, 7:32 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte, Halifax	58 min
Jun 21, 7:59 PM EDT	Special Weather Statement	RNK	Halifax	61 min

Nearby

Tornado Warnings in Virginia, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.