Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 198, NWS Blacksburg, VA

August 29, 2021Bath County, Rockbridge County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Aug 29, 2021, 3:39 PM EDT for Bath County, Rockbridge County, Virginia. It was in force for 51 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: Aug 29, 2021, 3:39 PM EDT (19:39 UTC)
Expired: Aug 29, 2021, 4:30 PM EDT
In force: 51 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bath County, VA, Rockbridge County, VA

The radar

The Roanoke radar (KFCX), 125 km from the middle of the area, began a volume at 19:42 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 nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 7.7 hours before the alert went out and 91 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: 406 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 866 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

741 
WUUS51 KRNK 291939
SVRRNK
VAC017-163-292030-
/O.NEW.KRNK.SV.W.0198.210829T1939Z-210829T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
339 PM EDT Sun Aug 29 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Northwestern Rockbridge County in west central Virginia...
  Southern Bath County in west central Virginia...

* Until 430 PM EDT.

* At 339 PM EDT, a severe thunderstorm was located near Ingalls
  Field, or near Hot Springs, moving southeast at 15 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...
  Goshen...
  Millboro...
  Warm Springs...
  Hot Springs...
  Rockbridge Baths...
  Nimrod Hall...
  and Ingalls Field.

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 3810 7949 3808 7947 3802 7937 3783 7940
      3793 7992 3795 7994 3811 7983
TIME...MOT...LOC 1939Z 297DEG 12KT 3797 7976 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

VFJ

3 follow-up statements

567 
WWUS51 KRNK 291951
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
351 PM EDT Sun Aug 29 2021

VAC017-163-292030-
/O.CON.KRNK.SV.W.0198.000000T0000Z-210829T2030Z/
Rockbridge VA-Bath VA-
351 PM EDT Sun Aug 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR
NORTHWESTERN ROCKBRIDGE AND SOUTHERN BATH COUNTIES...

At 350 PM EDT, a severe thunderstorm was located over Douthat State
Park, or near Hot Springs, moving southeast at 10 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Goshen...
Millboro...
Warm Springs...
Hot Springs...
Rockbridge Baths...
Nimrod Hall...
and Ingalls Field.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for ${CTAhailwindthreat}. 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 3809 7958 3809 7948 3808 7947 3802 7937
      3783 7940 3793 7992 3795 7994 3807 7986
TIME...MOT...LOC 1950Z 333DEG 9KT 3792 7982 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

VFJ

955 
WWUS51 KRNK 292017
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
417 PM EDT Sun Aug 29 2021

VAC017-292026-
/O.CAN.KRNK.SV.W.0198.000000T0000Z-210829T2030Z/
Bath VA-
417 PM EDT Sun Aug 29 2021

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

LAT...LON 3803 7950 3802 7937 3783 7940 3787 7960
TIME...MOT...LOC 2016Z 297DEG 12KT 3788 7972 

$$

VAC163-292030-
/O.CON.KRNK.SV.W.0198.000000T0000Z-210829T2030Z/
Rockbridge VA-
417 PM EDT Sun Aug 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR
NORTHWESTERN ROCKBRIDGE COUNTY...

At 416 PM EDT, a severe thunderstorm was located near Longdale
Furnace, or near Clifton Forge, moving southeast at 15 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Goshen...
and Rockbridge Baths.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for strong winds and large hail. 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 3803 7950 3802 7937 3783 7940 3787 7960
TIME...MOT...LOC 2016Z 297DEG 12KT 3788 7972 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

VFJ

234 
WWUS51 KRNK 292027
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
427 PM EDT Sun Aug 29 2021

VAC163-292036-
/O.EXP.KRNK.SV.W.0198.000000T0000Z-210829T2030Z/
Rockbridge VA-
427 PM EDT Sun Aug 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
NORTHWESTERN ROCKBRIDGE COUNTY WILL EXPIRE AT 430 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.

LAT...LON 3803 7950 3802 7937 3783 7940 3787 7960
TIME...MOT...LOC 2026Z 297DEG 12KT 3787 7969 

$$

VFJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 28, 9:01 PM EDT	Special Weather Statement	RNK	Rockbridge	29 min
Aug 28, 9:33 PM EDT	Special Weather Statement	RNK	City of Buena Vista	42 min
Aug 28, 10:22 PM EDT	Special Weather Statement	RNK	Buckingham	38 min
Aug 28, 10:28 PM EDT	Special Weather Statement	RNK	City of Buena Vista	32 min
Aug 28, 10:57 PM EDT	Special Weather Statement	RNK	Rockbridge	33 min
Aug 28, 11:05 PM EDT	Areal Flood Advisory	RNK	Rockbridge	3 hr
Aug 28, 11:09 PM EDT	Special Weather Statement	RNK	Buckingham	36 min
Aug 28, 11:11 PM EDT	Special Weather Statement	RNK	Buckingham	49 min
Aug 28, 11:27 PM EDT	Special Weather Statement	RNK	Rockbridge	48 min
Aug 28, 11:30 PM EDT	Special Weather Statement	RNK	Appomattox	30 min
Aug 28, 11:38 PM EDT	Areal Flood Advisory	RNK	Rockbridge	3 hr
Aug 28, 11:44 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Rockbridge	43 min
Aug 28, 11:49 PM EDT	Flash Flood Warning	RNK	Amherst, Rockbridge	6 hr
Aug 28, 11:51 PM EDT	Special Weather Statement	RNK	Amherst	24 min
Aug 29, 12:02 AM EDT	Special Weather Statement	RNK	Appomattox	43 min
Aug 29, 12:05 AM EDT	Special Weather Statement	RNK	Buckingham	40 min
Aug 29, 12:07 AM EDT	Severe Thunderstorm Warning	RNK	Amherst, Appomattox, Buckingham	53 min
Aug 29, 12:23 AM EDT	Special Weather Statement	RNK	Amherst	37 min
Aug 29, 12:30 AM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford	60 min
Aug 29, 12:39 AM EDT	Areal Flood Advisory	RNK	Amherst, Appomattox, Bedford	3 hr
Aug 29, 12:59 AM EDT	Severe Thunderstorm Warning	RNK	Amherst, Appomattox	61 min
Aug 29, 1:41 AM EDT	Special Weather Statement	RNK	Appomattox	34 min
Aug 29, 2:00 PM EDT	Special Weather Statement	RNK	Bath	30 min
Aug 29, 2:18 PM EDT	Special Weather Statement	RNK	Bath	27 min
Aug 29, 2:21 PM EDT	Special Weather Statement	RNK	Alleghany	24 min
Aug 29, 2:50 PM EDT	Severe Thunderstorm Warning	RNK	Bath, Rockbridge	55 min
Aug 29, 3:23 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Bath, Botetourt	67 min
Aug 29, 3:48 PM EDT	Special Weather Statement	RNK	Alleghany, City of Covington	27 min
Aug 29, 4:01 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Botetourt, City of Covington	44 min
Aug 29, 4:19 PM EDT	Special Weather Statement	RNK	Rockbridge, City of Lexington	26 min
Aug 29, 4:33 PM EDT	Special Weather Statement	RNK	City of Covington	27 min
Aug 29, 4:42 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Botetourt, Craig	44 min
Aug 29, 5:24 PM EDT	Special Weather Statement	RNK	Giles	36 min
Aug 29, 5:30 PM EDT	Special Weather Statement	RNK	Montgomery	30 min
Aug 29, 6:03 PM EDT	Special Weather Statement	RNK	Montgomery	27 min
Aug 29, 6:11 PM EDT	Special Weather Statement	RNK	Giles	19 min
Aug 29, 6:17 PM EDT	Special Weather Statement	RNK	Giles	28 min
Aug 29, 6:41 PM EDT	Special Weather Statement	RNK	Montgomery, City of Radford	34 min
Aug 29, 6:42 PM EDT	Special Weather Statement	RNK	City of Roanoke, City of Salem	33 min
Aug 29, 6:57 PM EDT	Areal Flood Advisory	RNK	Montgomery	3 hr
Aug 29, 7:02 PM EDT	Severe Thunderstorm Warning	RNK	Giles	27 min
Aug 29, 7:03 PM EDT	Areal Flood Advisory	RNK	Roanoke, City of Roanoke, City of Salem	117 min
Aug 29, 7:16 PM EDT	Special Weather Statement	RNK	Floyd, Montgomery, Roanoke, City of Roanoke, City of Salem	44 min
Aug 29, 7:40 PM EDT	Special Weather Statement	RNK	Alleghany, City of Covington	35 min
Aug 29, 7:55 PM EDT	Special Weather Statement	RNK	Floyd	35 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.