Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 53, NWS Blacksburg, VA

June 13, 20214 counties in Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 13, 2021, 5:54 PM EDT for 4 counties in Virginia. It was in force for 66 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: Jun 13, 2021, 5:54 PM EDT (21:54 UTC)
Expired: Jun 13, 2021, 7:00 PM EDT
In force: 66 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Alleghany County, VA, Bath County, VA, Botetourt County, VA, Rockbridge County, VA

The radar

The Roanoke radar (KFCX), 109 km from the middle of the area, began a volume at 21:55 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 13, 6:00 PM EDT	TSTM WND DMG	1 E Lexington, VA	MULTIPLE REPORTS OF TREES AND POWERLINES DOWN COUNTYWIDE.

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
Jun 13, 4:56 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 9.9 hours before the alert went out and 63 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: 60 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 614 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

442 
WUUS51 KRNK 132154
SVRRNK
VAC005-017-023-163-132300-
/O.NEW.KRNK.SV.W.0053.210613T2154Z-210613T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
554 PM EDT Sun Jun 13 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  East central Alleghany County in west central Virginia...
  Southwestern Rockbridge County in west central Virginia...
  South central Bath County in west central Virginia...
  Northeastern Botetourt County in west central Virginia...

* Until 700 PM EDT.

* At 554 PM EDT, a severe thunderstorm was located near Longdale
  Furnace, or 7 miles northwest of Collierstown, moving southeast at
  10 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...
  Lexington...
  Clifton Forge...
  Glasgow...
  Collierstown...
  Iron Gate...
  Natural Bridge...
  and Longdale Furnace.

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 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 3780 7943 3779 7946 3777 7946 3777 7945
      3779 7942 3775 7938 3773 7938 3773 7937
      3771 7938 3770 7938 3756 7956 3782 7982
      3796 7960
TIME...MOT...LOC 2154Z 309DEG 10KT 3786 7965 

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

BMG

2 follow-up statements

261 
WWUS51 KRNK 132215
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
615 PM EDT Sun Jun 13 2021

VAC017-132224-
/O.CAN.KRNK.SV.W.0053.000000T0000Z-210613T2300Z/
Bath VA-
615 PM EDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL BATH COUNTY IS 
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southwestern and west central Virginia...and southeastern West
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 3780 7943 3779 7946 3777 7946 3777 7945
      3779 7942 3775 7938 3773 7938 3773 7937
      3771 7938 3770 7938 3756 7956 3777 7977
      3789 7953
TIME...MOT...LOC 2214Z 322DEG 8KT 3772 7954 

$$

VAC005-023-163-132300-
/O.CON.KRNK.SV.W.0053.000000T0000Z-210613T2300Z/
Alleghany VA-Rockbridge VA-Botetourt VA-
615 PM EDT Sun Jun 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT 
FOR EAST CENTRAL ALLEGHANY...SOUTHWESTERN ROCKBRIDGE AND 
NORTHEASTERN BOTETOURT COUNTIES IN WEST CENTRAL VIRGINIA...

At 614 PM EDT, a severe thunderstorm was located near Collierstown,
moving southeast at 10 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...
Lexington...
Glasgow...
Collierstown...
and Natural Bridge.

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 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 3780 7943 3779 7946 3777 7946 3777 7945
      3779 7942 3775 7938 3773 7938 3773 7937
      3771 7938 3770 7938 3756 7956 3777 7977
      3789 7953
TIME...MOT...LOC 2214Z 322DEG 8KT 3772 7954 

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

BMG

091 
WWUS51 KRNK 132253
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
653 PM EDT Sun Jun 13 2021

VAC005-023-163-132303-
/O.EXP.KRNK.SV.W.0053.000000T0000Z-210613T2300Z/
Alleghany VA-Rockbridge VA-Botetourt VA-
653 PM EDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL 
ALLEGHANY...SOUTHWESTERN ROCKBRIDGE AND NORTHEASTERN BOTETOURT 
COUNTIES IN WEST CENTRAL VIRGINIA WILL EXPIRE AT 700 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southwestern and west central Virginia...and southeastern West
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 3780 7943 3779 7946 3777 7946 3777 7945
      3779 7942 3775 7938 3773 7938 3773 7937
      3771 7938 3770 7938 3756 7956 3777 7977
      3789 7953
TIME...MOT...LOC 2253Z 309DEG 10KT 3765 7944 

$$

BMG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 4:51 PM EDT	Special Weather Statement	RNK	Rockbridge	24 min
Jun 13, 4:55 PM EDT	Special Weather Statement	RNK	Bath	35 min
Jun 13, 5:19 PM EDT	Special Weather Statement	RNK	Rockbridge, City of Lexington	26 min
Jun 13, 5:26 PM EDT	Areal Flood Advisory	RNK	Bath, Rockbridge, City of Buena Vista, City of Lexington	3 hr
Jun 13, 5:34 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Rockbridge, City of Buena Vista, City of Lexington	41 min
Jun 13, 5:46 PM EDT	Special Weather Statement	RNK	Bath	29 min
Jun 13, 6:09 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford, Botetourt, Rockbridge, City of Buena Vista	51 min
Jun 13, 6:44 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford, Botetourt, Rockbridge, City of Lynchburg	61 min
Jun 13, 7:13 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Botetourt, Campbell, Franklin, Roanoke, City of Lynchburg and 2 more	62 min
Jun 13, 7:35 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany	55 min
Jun 13, 7:58 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Bath	32 min

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.