Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 59, NWS Blacksburg, VA

June 13, 2021Alleghany County, Bath County, Virginia; Greenbrier County, West Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 13, 2021, 7:58 PM EDT for Alleghany County, Bath County, Virginia; Greenbrier County, West Virginia. It was in force for 32 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: Jun 13, 2021, 7:58 PM EDT (23:58 UTC)
Expired: Jun 13, 2021, 8:30 PM EDT
In force: 32 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Alleghany County, VA, Bath County, VA, Greenbrier County, WV

The radar

The Roanoke radar (KFCX), 100 km from the middle of the area, began a volume at 00:02 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
Jun 13, 4:56 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 12.0 hours before the alert went out and 90 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.

301 
WUUS51 KRNK 132358
SVRRNK
VAC005-017-WVC025-140030-
/O.NEW.KRNK.SV.W.0059.210613T2358Z-210614T0030Z/

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

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Northwestern Alleghany County in west central Virginia...
  Southwestern Bath County in west central Virginia...
  East central Greenbrier County in southeastern West Virginia...

* Until 830 PM EDT.

* At 758 PM EDT, a severe thunderstorm was located over Alvon, or
  near Neola, moving southeast at 20 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Covington...
  Neola...
  Ingalls Field...
  Carloover...
  Natural Well...
  Alvon...
  and Callison.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for 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 3796 7975 3780 7998 3781 7999 3780 7999
      3775 8006 3792 8035 3804 8017 3805 8012
TIME...MOT...LOC 2358Z 316DEG 19KT 3791 8019 

HAIL...<.75IN
WIND...60MPH
 
$$

BMG

1 follow-up statement

323 
WWUS51 KRNK 140020
SVSRNK

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

VAC005-017-WVC025-140030-
/O.EXP.KRNK.SV.W.0059.000000T0000Z-210614T0030Z/
Alleghany VA-Bath VA-Greenbrier WV-
820 PM EDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN 
ALLEGHANY...SOUTHWESTERN BATH COUNTIES IN WEST CENTRAL VIRGINIA AND 
EAST CENTRAL GREENBRIER COUNTIES IN SOUTHEASTERN WEST VIRGINIA WILL 
EXPIRE AT 830 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. 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 3796 7975 3780 7998 3781 7999 3780 7999
      3775 8006 3792 8035 3804 8017 3805 8012
TIME...MOT...LOC 0020Z 316DEG 19KT 3783 8010 

$$

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, 5:54 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Bath, Botetourt, Rockbridge	66 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, 6:50 PM EDT	Severe Thunderstorm Warning	RNK	Greenbrier	70 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2021 Severe Thunderstorm Warnings in West 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.