Alert archive / Virginia / Tornado Warnings in 2011

Tornado Warning 49, NWS Blacksburg, VA

April 28, 20115 counties in Virginia

NWS Blacksburg, VA issued this tornado warning at Apr 28, 2011, 1:34 AM EDT for 5 counties in Virginia. It was in force for 41 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: Apr 28, 2011, 1:34 AM EDT (05:34 UTC)
Expired: Apr 28, 2011, 2:15 AM EDT
In force: 41 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon

Counties Alleghany County, VA, Bath County, VA, Botetourt County, VA, City of Lexington, VA, Rockbridge County, VA

The radar

The Roanoke radar (KFCX), 123 km from the middle of the area, began a volume at 05:36 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 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

Roanoke, VA (KRNK), launched 00:00Z, 5.6 hours before the alert went out and 87 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: 372 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1272 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 226 m²/s²
0-3 km storm-relative helicity: 335 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

321 
WFUS51 KRNK 280534
TORRNK
VAC005-017-023-163-678-280630-
/O.NEW.KRNK.TO.W.0049.110428T0534Z-110428T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
134 AM EDT THU APR 28 2011

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN ROCKBRIDGE COUNTY IN WEST CENTRAL VIRGINIA
  CITY OF LEXINGTON IN WEST CENTRAL VIRGINIA
  NORTHERN BOTETOURT COUNTY IN WEST CENTRAL VIRGINIA
  EASTERN BATH COUNTY IN WEST CENTRAL VIRGINIA
  EASTERN ALLEGHANY COUNTY IN WEST CENTRAL VIRGINIA

* UNTIL 230 AM EDT.

* AT 131 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR GALA...OR
  NEAR EAGLE ROCK...MOVING NORTHEAST AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GLEN WILTON...
  LONGDALE FURNACE...
  GOSHEN...
  BELLS VALLEY...

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 3812 7947 3811 7948 3809 7948 3793 7921
      3758 7979 3769 8000 3818 7957
TIME...MOT...LOC 0535Z 224DEG 55KT 3773 7977

$$

3 follow-up statements

086 
WWUS51 KRNK 280548 RRA
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
148 AM EDT THU APR 28 2011

VAC005-017-023-163-678-280630-
/O.CON.KRNK.TO.W.0049.000000T0000Z-110428T0630Z/
ROCKBRIDGE VA-CITY OF LEXINGTON VA-BOTETOURT VA-BATH VA-ALLEGHANY VA-
148 AM EDT THU APR 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM EDT FOR THE CITY
OF LEXINGTON... EASTERN ALLEGHANY...EASTERN BATH...NORTHERN BOTETOURT
AND NORTHERN ROCKBRIDGE COUNTIES...

AT 145 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR LONGDALE
FURNACE...OR 6 MILES NORTHWEST OF COLLIERSTOWN...MOVING NORTHEAST AT
55 MPH.

LOCATIONS IMPACTED INCLUDE...
  MILLBORO...
  GOSHEN...
  BELLS VALLEY...

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.

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 3812 7947 3811 7948 3809 7948 3793 7921
      3758 7979 3769 8000 3818 7957
TIME...MOT...LOC 0548Z 224DEG 55KT 3787 7959

$$

831 
WWUS51 KRNK 280600
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
200 AM EDT THU APR 28 2011

VAC005-023-280611-
/O.CAN.KRNK.TO.W.0049.000000T0000Z-110428T0630Z/
BOTETOURT VA-ALLEGHANY VA-
200 AM EDT THU APR 28 2011

...THE TORNADO WARNING FOR EASTERN ALLEGHANY AND NORTHERN BOTETOURT
COUNTIES IS CANCELLED...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3812 7947 3811 7948 3809 7948 3793 7921
      3777 7948 3798 7974 3818 7957
TIME...MOT...LOC 0601Z 224DEG 55KT 3801 7941

$$

VAC017-163-678-280630-
/O.CON.KRNK.TO.W.0049.000000T0000Z-110428T0630Z/
ROCKBRIDGE VA-CITY OF LEXINGTON VA-BATH VA-
200 AM EDT THU APR 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM EDT FOR THE CITY
OF LEXINGTON... EASTERN BATH AND NORTHERN ROCKBRIDGE COUNTIES...

AT 159 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR BELLS VALLEY...OR
NEAR GOSHEN...MOVING NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  BELLS VALLEY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3812 7947 3811 7948 3809 7948 3793 7921
      3777 7948 3798 7974 3818 7957
TIME...MOT...LOC 0601Z 224DEG 55KT 3801 7941

$$

658 
WWUS51 KRNK 280615
SVSRNK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
215 AM EDT THU APR 28 2011

VAC017-163-678-280625-
/O.CAN.KRNK.TO.W.0049.000000T0000Z-110428T0630Z/
ROCKBRIDGE VA-CITY OF LEXINGTON VA-BATH VA-
215 AM EDT THU APR 28 2011

...THE TORNADO WARNING FOR THE CITY OF LEXINGTON... EASTERN BATH AND
NORTHERN ROCKBRIDGE 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 3812 7947 3811 7948 3809 7948 3793 7921
      3777 7948 3798 7974 3818 7957
TIME...MOT...LOC 0615Z 224DEG 55KT 3816 7922

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 8:01 PM EDT	Tornado Warning	RNK	Halifax, Pittsylvania, City of Danville	44 min
Apr 27, 8:09 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Buckingham, Campbell	66 min
Apr 27, 8:32 PM EDT	Tornado Warning	RNK	Campbell, Charlotte, Halifax, Pittsylvania	43 min
Apr 27, 8:45 PM EDT	Severe Thunderstorm Warning	RNK	Halifax, Pittsylvania, City of Danville	45 min
Apr 27, 9:06 PM EDT	Flash Flood Watch	RNK	Alleghany, Amherst, Bath, Bedford, Bland, Botetourt and 21 more	13 hr
Apr 27, 9:11 PM EDT	Tornado Warning	RNK	Charlotte, Halifax	34 min
Apr 27, 10:12 PM EDT	Tornado Warning	RNK	Bland, Smyth, Tazewell	48 min
Apr 27, 10:26 PM EDT	Tornado Warning	RNK	Bland, Smyth, Tazewell, Wythe	49 min
Apr 27, 10:39 PM EDT	Flash Flood Warning	RNK	Bland, Smyth, Tazewell	6 hr
Apr 27, 11:09 PM EDT	Tornado Warning	RNK	Bland, Giles, Tazewell	51 min
Apr 27, 11:12 PM EDT	Tornado Warning	RNK	Bland, Grayson, Smyth, Tazewell, Wythe	48 min
Apr 27, 11:19 PM EDT	Flash Flood Warning	RNK	Carroll, Giles, Grayson, Montgomery, Pulaski, Wythe and 2 more	6 hr
Apr 27, 11:53 PM EDT	Tornado Warning	RNK	Bland, Giles, Montgomery, Pulaski, Tazewell, Wythe	52 min
Apr 27, 11:56 PM EDT	Tornado Warning	RNK	Alleghany, City of Covington	49 min
Apr 28, 12:01 AM EDT	Tornado Warning	RNK	Bland, Carroll, Grayson, Smyth, Wythe	44 min
Apr 28, 12:40 AM EDT	Tornado Warning	RNK	Bath	35 min
Apr 28, 12:45 AM EDT	Tornado Warning	RNK	Bland, Giles, Montgomery, Pulaski, Wythe, City of Radford	45 min
Apr 28, 12:48 AM EDT	Flash Flood Warning	RNK	Alleghany, Bath, Craig, Giles, City of Covington	6 hr
Apr 28, 1:03 AM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Bath, Rockbridge, City of Covington	57 min
Apr 28, 1:12 AM EDT	Tornado Warning	RNK	Bland, Smyth, Tazewell, Wythe	33 min
Apr 28, 1:19 AM EDT	Tornado Warning	RNK	Craig, Giles, Montgomery, Roanoke	26 min
Apr 28, 1:20 AM EDT	Tornado Warning	RNK	Bland, Smyth, Tazewell, Wythe	25 min
Apr 28, 1:28 AM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Botetourt, Rockbridge, City of Lexington	21 min
Apr 28, 1:39 AM EDT	Flash Flood Warning	RNK	Bland	3 hr
Apr 28, 1:43 AM EDT	Tornado Warning	RNK	Alleghany, Botetourt, Craig, Montgomery	19 min
Apr 28, 1:47 AM EDT	Tornado Warning	RNK	Bland, Giles, Tazewell, Wythe	9 min
Apr 28, 2:17 AM EDT	Tornado Warning	RNK	Craig, Giles	28 min
Apr 28, 3:22 AM EDT	Flash Flood Warning	RNK	Alleghany, Botetourt, Craig, Franklin, Montgomery, Roanoke and 2 more	4 hr
Apr 28, 4:17 AM EDT	Severe Thunderstorm Warning	RNK	Charlotte, Halifax, Pittsylvania, City of Danville	30 min
Apr 28, 5:32 AM EDT	Flash Flood Warning	RNK	Carroll, Floyd, Grayson, Montgomery, City of Galax	3 hr
Apr 28, 5:51 AM EDT	Severe Thunderstorm Warning	RNK	Carroll, Floyd, Franklin, Patrick	54 min
Apr 28, 6:40 AM EDT	Special Weather Statement	RNK	Amherst, Appomattox, Bedford, Buckingham, Campbell, City of Buena Vista and 1 more	65 min
Apr 28, 6:46 AM EDT	Special Weather Statement	RNK	Patrick	29 min
Apr 28, 6:47 AM EDT	Areal Flood Warning	RNK	Alleghany, Bath, Craig, City of Covington	6 hr
Apr 28, 6:48 AM EDT	Severe Thunderstorm Warning	RNK	Carroll, Henry, Patrick	24 min
Apr 28, 7:13 AM EDT	Special Weather Statement	RNK	Patrick	32 min
Apr 28, 7:44 AM EDT	Special Weather Statement	RNK	Appomattox, Bedford, Buckingham, City of Lynchburg	76 min
Apr 28, 7:48 AM EDT	Special Weather Statement	RNK	Campbell	72 min
Apr 28, 8:09 AM EDT	Areal Flood Warning	RNK	Alleghany, Botetourt, Craig	10 hr
Apr 28, 8:56 AM EDT	Special Weather Statement	RNK	Appomattox, Buckingham, Campbell, Charlotte, City of Lynchburg	64 min
Apr 28, 10:06 AM EDT	Special Weather Statement	RNK	Halifax	39 min
Apr 28, 12:38 PM EDT	Special Weather Statement	RNK	City of Danville	52 min
Apr 28, 12:44 PM EDT	Areal Flood Warning	RNK	Bath	6 hr
Apr 28, 6:33 PM EDT	Areal Flood Warning	RNK	Alleghany, Botetourt, Craig	6 hr

Nearby

Tornado Warnings in Virginia, 2011 Every tornado warning in 2011 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.