Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 115, NWS Blacksburg, VA

July 26, 2021Appomattox County, Campbell County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 26, 2021, 4:32 PM EDT for Appomattox County, Campbell County, Virginia. It was in force for 47 min. 1 report 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: Jul 26, 2021, 4:32 PM EDT (20:32 UTC)
Expired: Jul 26, 2021, 5:19 PM EDT
In force: 47 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Appomattox County, VA, Campbell County, VA

The radar

The Roanoke radar (KFCX), 130 km from the middle of the area, began a volume at 20:35 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
Jul 26, 4:48 PM EDT	TSTM WND DMG	3 Ese Bocock, VA	THUNDERSTORM WINDS BLEW DOWN ONE TREE ALONG THE 500 BLOCK OF EASTBROOK 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
Jul 26, 1:39 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 8.5 hours before the alert went out and 59 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: 658 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 838 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 50 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

787 
WUUS51 KRNK 262032
SVRRNK
VAC011-031-262130-
/O.NEW.KRNK.SV.W.0115.210726T2032Z-210726T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
432 PM EDT Mon Jul 26 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Southern Appomattox County in central Virginia...
  Northeastern Campbell County in central Virginia...

* Until 530 PM EDT.

* At 432 PM EDT, a severe thunderstorm was located near Concord, and
  is nearly stationary.

  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...
  Appomattox...
  Concord...
  Pamplin City...
  Mike...
  Appomattox National Historic Park...
  Stonewall...
  and Oakville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds, as well as
deadly cloud to ground lightning. For your safety, move to an
interior room on the lowest floor of a sturdy building. Stay away
from windows.

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any 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 3725 7868 3724 7872 3722 7873 3723 7878
      3720 7881 3720 7883 3717 7884 3713 7893
      3739 7909 3739 7906 3741 7906 3745 7889
      3729 7866
TIME...MOT...LOC 2032Z 229DEG 3KT 3738 7903 

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

RAB

2 follow-up statements

149 
WWUS51 KRNK 262118
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
518 PM EDT Mon Jul 26 2021

VAC011-031-262130-
/O.CON.KRNK.SV.W.0115.000000T0000Z-210726T2130Z/
Appomattox VA-Campbell VA-
518 PM EDT Mon Jul 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR
SOUTHERN APPOMATTOX AND NORTHEASTERN CAMPBELL COUNTIES...

At 518 PM EDT, a severe thunderstorm was located over Stonewall, or
near Concord, and is nearly stationary.

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...
Appomattox...
Pamplin City...
Mike...
Spout Spring...
Spring Mills...
and Evergreen.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for LARGE HAIL AND DAMAGING WINDS, as well as
deadly cloud to ground lightning. For your safety, move to an
interior room on the lowest floor of a sturdy building. Stay away
from windows.

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any 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 3725 7868 3724 7872 3722 7873 3723 7878
      3720 7881 3720 7883 3717 7884 3713 7893
      3733 7900 3738 7887 3729 7866
TIME...MOT...LOC 2118Z 229DEG 3KT 3741 7899 

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

RAB

214 
WWUS51 KRNK 262119
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
519 PM EDT Mon Jul 26 2021

VAC011-031-262129-
/O.CAN.KRNK.SV.W.0115.000000T0000Z-210726T2130Z/
Appomattox VA-Campbell VA-
519 PM EDT Mon Jul 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN APPOMATTOX AND 
NORTHEASTERN CAMPBELL COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled. However heavy rain is 
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central and south central Virginia.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any 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 3725 7868 3724 7872 3722 7873 3723 7878
      3720 7881 3720 7883 3717 7884 3713 7893
      3733 7900 3738 7887 3729 7866
TIME...MOT...LOC 2117Z 229DEG 3KT 3741 7899 

$$

RAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 8:01 PM EDT	Special Weather Statement	RNK	Buckingham	29 min
Jul 25, 9:06 PM EDT	Special Weather Statement	RNK	Floyd	24 min
Jul 26, 12:15 PM EDT	Special Weather Statement	RNK	Giles	30 min
Jul 26, 12:22 PM EDT	Special Weather Statement	RNK	City of Lynchburg	23 min
Jul 26, 12:27 PM EDT	Special Weather Statement	RNK	Botetourt	33 min
Jul 26, 12:42 PM EDT	Special Weather Statement	RNK	Henry, Patrick	48 min
Jul 26, 1:02 PM EDT	Special Weather Statement	RNK	Bedford, City of Roanoke, City of Salem	43 min
Jul 26, 1:07 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Botetourt, Franklin, Roanoke, City of Roanoke	68 min
Jul 26, 1:38 PM EDT	Special Weather Statement	RNK	Franklin	37 min
Jul 26, 1:45 PM EDT	Special Weather Statement	RNK	Craig, Roanoke, City of Roanoke, City of Salem	30 min
Jul 26, 1:56 PM EDT	Severe Thunderstorm Warning	RNK	Franklin, Henry, Pittsylvania	49 min
Jul 26, 2:07 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Botetourt, Craig, Roanoke, City of Roanoke, City of Salem	39 min
Jul 26, 2:07 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Botetourt, Craig, Roanoke, City of Roanoke, City of Salem	38 min
Jul 26, 2:10 PM EDT	Special Weather Statement	RNK	Patrick	50 min
Jul 26, 2:19 PM EDT	Severe Thunderstorm Warning	RNK	Patrick	41 min
Jul 26, 2:44 PM EDT	Severe Thunderstorm Warning	RNK	Franklin, Pittsylvania	61 min
Jul 26, 3:00 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Rockbridge, City of Buena Vista, City of Lexington	60 min
Jul 26, 3:10 PM EDT	Special Weather Statement	RNK	Campbell	50 min
Jul 26, 3:41 PM EDT	Areal Flood Advisory	RNK	Campbell	3 hr
Jul 26, 3:45 PM EDT	Special Weather Statement	RNK	Franklin, City of Martinsville	60 min
Jul 26, 3:49 PM EDT	Severe Thunderstorm Warning	RNK	Amherst	56 min
Jul 26, 3:54 PM EDT	Special Weather Statement	RNK	Rockbridge, City of Buena Vista, City of Lexington	51 min
Jul 26, 4:00 PM EDT	Special Weather Statement	RNK	Appomattox	60 min
Jul 26, 4:09 PM EDT	Severe Thunderstorm Warning	RNK	Henry, City of Martinsville	55 min
Jul 26, 4:13 PM EDT	Special Weather Statement	RNK	City of Radford	47 min
Jul 26, 4:19 PM EDT	Severe Thunderstorm Warning	RNK	Montgomery, Pulaski, City of Radford	56 min
Jul 26, 4:34 PM EDT	Areal Flood Advisory	RNK	Rockbridge, City of Lexington	3 hr
Jul 26, 4:36 PM EDT	Special Weather Statement	RNK	Floyd	54 min
Jul 26, 4:57 PM EDT	Severe Thunderstorm Warning	RNK	Buckingham	33 min
Jul 26, 5:01 PM EDT	Special Weather Statement	RNK	Amherst, City of Buena Vista, City of Lexington	59 min
Jul 26, 5:10 PM EDT	Flash Flood Warning	RNK	Appomattox, Campbell	3 hr
Jul 26, 5:10 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Floyd, Montgomery, Pulaski	65 min
Jul 26, 5:44 PM EDT	Areal Flood Advisory	RNK	Rockbridge	3 hr
Jul 26, 5:45 PM EDT	Special Weather Statement	RNK	Smyth	30 min
Jul 26, 5:50 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Floyd, Pulaski	55 min
Jul 26, 5:54 PM EDT	Special Weather Statement	RNK	Bland	51 min
Jul 26, 6:18 PM EDT	Special Weather Statement	RNK	Wythe, City of Galax	27 min
Jul 26, 6:33 PM EDT	Special Weather Statement	RNK	Botetourt	57 min
Jul 26, 6:37 PM EDT	Special Weather Statement	RNK	Pulaski, City of Radford	53 min
Jul 26, 6:41 PM EDT	Special Weather Statement	RNK	Craig	34 min
Jul 26, 6:50 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt	40 min
Jul 26, 7:02 PM EDT	Special Weather Statement	RNK	Craig	28 min
Jul 26, 7:12 PM EDT	Special Weather Statement	RNK	City of Galax	63 min
Jul 26, 7:24 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Botetourt, Roanoke, City of Roanoke, City of Salem	40 min
Jul 26, 7:28 PM EDT	Areal Flood Advisory	RNK	Bedford, Botetourt, Roanoke	3 hr

Nearby

Severe Thunderstorm Warnings in Virginia, 2021 Every severe thunderstorm warning in 2021

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.