Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 176, NWS Blacksburg, VA

August 13, 2021Tazewell County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Aug 13, 2021, 11:48 PM EDT for Tazewell County, Virginia. It was in force for 57 min. 3 reports 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: Aug 13, 2021, 11:48 PM EDT (03:48 UTC)
Expired: Aug 14, 2021, 12:45 AM EDT
In force: 57 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Tazewell County, VA

The radar

The Charleston,WV radar (KRLX), 130 km from the middle of the area, began a volume at 03:49 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
Aug 14, 12:04 AM EDT	TSTM WND DMG	1 Se Cedar Bluff, VA	CORRECTS SOURCE OF REPORT. ONE TREE DOWN ON US 460 IN CEDAR BLUFF. TIME ESTIMATED BY RADAR.
Aug 14, 12:04 AM EDT	TSTM WND DMG	1 Se Cedar Bluff, VA	ONE TREE DOWN ON US 460 IN CEDAR BLUFF. TIME ESTIMATED BY RADAR.
Aug 14, 12:15 AM EDT	TSTM WND DMG	3 Wsw Tazewell, VA	TREE DOWN ON WITTEN VALLEY ROAD NEAR FROG LEVEL. TIME ESTIMATED BY RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 3.8 hours before the alert went out and 199 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: 833 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1266 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

644 
WUUS51 KRNK 140348
SVRRNK
VAC185-140445-
/O.NEW.KRNK.SV.W.0176.210814T0348Z-210814T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
1148 PM EDT Fri Aug 13 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Southwestern Tazewell County in southwestern Virginia...

* Until 1245 AM EDT.

* At 1146 PM EDT, a severe thunderstorm was located near Raven, or
  near Richlands, moving northeast at 15 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Richlands...
  Tazewell...
  Cedar Bluff...
  Raven...
  Glen Burke...
  Jewell Ridge...
  and Amonate.

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 3717 8185 3720 8176 3723 8174 3724 8174
      3724 8172 3720 8168 3721 8155 3712 8146
      3696 8175 3696 8178 3704 8182 3711 8189
      3714 8190
TIME...MOT...LOC 0346Z 230DEG 12KT 3704 8186 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

BMG

3 follow-up statements

153 
WWUS51 KRNK 140405
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
1205 AM EDT Sat Aug 14 2021

VAC185-140445-
/O.CON.KRNK.SV.W.0176.000000T0000Z-210814T0445Z/
Tazewell VA-
1205 AM EDT Sat Aug 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT
FOR SOUTHWESTERN TAZEWELL COUNTY...

At 1204 AM EDT, a severe thunderstorm was located over Cedar Bluff,
moving northeast at 20 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Richlands...
Tazewell...
Cedar Bluff...
Raven...
Glen Burke...
Jewell Ridge...
and Amonate.

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 3717 8185 3720 8176 3723 8174 3724 8174
      3724 8172 3720 8168 3721 8155 3712 8146
      3696 8175 3696 8178 3704 8182 3711 8189
      3714 8190
TIME...MOT...LOC 0404Z 246DEG 16KT 3708 8176 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

BMG

718 
WWUS51 KRNK 140421
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
1221 AM EDT Sat Aug 14 2021

VAC185-140445-
/O.CON.KRNK.SV.W.0176.000000T0000Z-210814T0445Z/
Tazewell VA-
1221 AM EDT Sat Aug 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT
FOR CENTRAL TAZEWELL COUNTY...

At 1221 AM EDT, a severe thunderstorm was located over Cliffield, or
near Tazewell, moving northeast at 10 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Tazewell...
Bandy...
Amonate...
Cliffield...
and Jewell Ridge.

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 3720 8176 3723 8174 3724 8174 3724 8172
      3720 8168 3721 8155 3712 8146 3701 8166
      3714 8178 3719 8180
TIME...MOT...LOC 0421Z 230DEG 10KT 3713 8164 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

BMG

340 
WWUS51 KRNK 140435
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
1235 AM EDT Sat Aug 14 2021

VAC185-140445-
/O.EXP.KRNK.SV.W.0176.000000T0000Z-210814T0445Z/
Tazewell VA-
1235 AM EDT Sat Aug 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL TAZEWELL COUNTY WILL 
EXPIRE AT 1245 AM 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.

LAT...LON 3720 8176 3723 8174 3724 8174 3724 8172
      3720 8168 3721 8155 3712 8146 3701 8166
      3714 8178 3719 8180
TIME...MOT...LOC 0435Z 230DEG 12KT 3716 8160 

$$

BMG

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 13, 8:08 PM EDT	Special Weather Statement	RNK	Tazewell	52 min
Aug 13, 8:41 PM EDT	Special Weather Statement	RNK	City of Lynchburg	34 min
Aug 13, 9:46 PM EDT	Special Weather Statement	RNK	City of Danville	44 min
Aug 13, 10:28 PM EDT	Special Weather Statement	RNK	City of Danville	47 min
Aug 13, 11:36 PM EDT	Special Weather Statement	RNK	Tazewell	39 min
Aug 14, 2:39 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Buckingham	66 min
Aug 14, 2:45 PM EDT	Special Weather Statement	RNK	Franklin	30 min
Aug 14, 4:05 PM EDT	Special Weather Statement	RNK	City of Martinsville	25 min
Aug 14, 4:07 PM EDT	Special Weather Statement	RNK	Patrick	23 min
Aug 14, 4:08 PM EDT	Special Weather Statement	RNK	Charlotte	37 min
Aug 14, 4:30 PM EDT	Special Weather Statement	RNK	Patrick	30 min
Aug 14, 4:31 PM EDT	Special Weather Statement	RNK	City of Martinsville	29 min
Aug 14, 4:34 PM EDT	Special Weather Statement	RNK	Halifax	26 min
Aug 14, 4:46 PM EDT	Areal Flood Advisory	RNK	Patrick	2 hr
Aug 14, 4:50 PM EDT	Areal Flood Advisory	RNK	Charlotte	3 hr
Aug 14, 5:04 PM EDT	Special Weather Statement	RNK	Halifax	26 min
Aug 14, 5:05 PM EDT	Special Weather Statement	RNK	Franklin	25 min
Aug 14, 5:08 PM EDT	Special Weather Statement	RNK	Charlotte	37 min
Aug 14, 5:16 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte, Halifax	59 min
Aug 14, 5:25 PM EDT	Special Weather Statement	RNK	City of Galax	35 min
Aug 14, 5:29 PM EDT	Special Weather Statement	RNK	Franklin	31 min
Aug 14, 5:35 PM EDT	Areal Flood Advisory	RNK	Halifax	3 hr
Aug 14, 5:45 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Grayson, Wythe	45 min
Aug 14, 5:46 PM EDT	Special Weather Statement	RNK	Franklin	29 min
Aug 14, 6:10 PM EDT	Areal Flood Advisory	RNK	Charlotte	2 hr
Aug 14, 6:31 PM EDT	Areal Flood Advisory	RNK	Halifax	2 hr
Aug 14, 6:38 PM EDT	Areal Flood Advisory	RNK	Carroll, Grayson, Wythe	117 min
Aug 14, 6:39 PM EDT	Special Weather Statement	RNK	Halifax	36 min
Aug 14, 6:55 PM EDT	Special Weather Statement	RNK	Wythe	35 min
Aug 14, 7:18 PM EDT	Severe Thunderstorm Warning	RNK	Pulaski, Wythe	22 min
Aug 14, 7:22 PM EDT	Special Weather Statement	RNK	Amherst, City of Buena Vista	23 min
Aug 14, 7:25 PM EDT	Special Weather Statement	RNK	Bedford	35 min
Aug 14, 7:29 PM EDT	Special Weather Statement	RNK	Smyth	31 min
Aug 14, 7:31 PM EDT	Special Weather Statement	RNK	City of Buena Vista	29 min
Aug 14, 7:35 PM EDT	Special Weather Statement	RNK	Bath	25 min
Aug 14, 7:43 PM EDT	Special Weather Statement	RNK	Pulaski	32 min
Aug 14, 7:47 PM EDT	Areal Flood Advisory	RNK	Pulaski, Wythe	85 min
Aug 14, 7:50 PM EDT	Special Weather Statement	RNK	Amherst, Buckingham, City of Buena Vista	25 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.