Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 4, NWS Blacksburg, VA

March 18, 2021Bland County, Smyth County, Tazewell County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Mar 18, 2021, 6:35 PM EDT for Bland County, Smyth County, Tazewell County, Virginia. It was in force for 40 min. 2 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: Mar 18, 2021, 6:35 PM EDT (22:35 UTC)
Expired: Mar 18, 2021, 7:15 PM EDT
In force: 40 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bland County, VA, Smyth County, VA, Tazewell County, VA

The radar

The Roanoke radar (KFCX), 113 km from the middle of the area, began a volume at 22:34 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
Mar 18, 6:52 PM EDT	HAIL 1.75	3 Nne Asberrys, VA
Mar 18, 6:55 PM EDT	HAIL 1	3 Ssw Tazewell, VA	MULTIPLE VIEWER PHOTOS OF QUARTER SIZE IN THE THOMPSON VALLEY, VA.

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 12:00Z, 10.6 hours before the alert went out and 181 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 517 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 626 m²/s²
0-3 km storm-relative helicity: 780 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

517 
WUUS51 KRNK 182235
SVRRNK
VAC021-173-185-182315-
/O.NEW.KRNK.SV.W.0004.210318T2235Z-210318T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
635 PM EDT Thu Mar 18 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Northwestern Smyth County in southwestern Virginia...
  Central Tazewell County in southwestern Virginia...
  West central Bland County in southwestern Virginia...

* Until 715 PM EDT.

* At 635 PM EDT, a severe thunderstorm was located near Broadford, or
  10 miles northeast of Saltville, moving northeast at 25 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...
  Tazewell...
  Burkes Garden...
  Broadford...
  Tiptop...
  Gratton...
  and Asberrys.

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 3721 8161 3721 8155 3723 8151 3726 8150
      3716 8124 3689 8161 3693 8172
TIME...MOT...LOC 2235Z 213DEG 23KT 3697 8163 

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

RR

4 follow-up statements

716 
WWUS51 KRNK 182244
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
644 PM EDT Thu Mar 18 2021

VAC021-173-185-182315-
/O.CON.KRNK.SV.W.0004.000000T0000Z-210318T2315Z/
Smyth VA-Tazewell VA-Bland VA-
644 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR
NORTH CENTRAL SMYTH...CENTRAL TAZEWELL AND WEST CENTRAL BLAND
COUNTIES...

At 644 PM EDT, a severe thunderstorm was located over Asberrys, or 7
miles southwest of Tazewell, moving northeast at 25 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...
Tazewell...
Burkes Garden...
Tiptop...
Gratton...
and Asberrys.

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 3721 8161 3721 8155 3723 8151 3726 8150
      3716 8124 3695 8156 3699 8167
TIME...MOT...LOC 2244Z 213DEG 23KT 3702 8159 

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

RR

936 
WWUS51 KRNK 182253
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
653 PM EDT Thu Mar 18 2021

VAC173-182303-
/O.CAN.KRNK.SV.W.0004.000000T0000Z-210318T2315Z/
Smyth VA-
653 PM EDT Thu Mar 18 2021

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

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 3722 8152 3723 8151 3726 8150 3725 8149
      3725 8147 3716 8124 3701 8147 3702 8147
      3702 8149 3700 8154 3704 8161
TIME...MOT...LOC 2253Z 217DEG 24KT 3707 8153 

$$

VAC021-185-182315-
/O.CON.KRNK.SV.W.0004.000000T0000Z-210318T2315Z/
Tazewell VA-Bland VA-
653 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR
EASTERN TAZEWELL AND WEST CENTRAL BLAND COUNTIES...

At 653 PM EDT, a severe thunderstorm was located near Tazewell,
moving northeast at 30 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...
Tazewell...
Burkes Garden...
Tiptop...
Gratton...
and Asberrys.

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 3722 8152 3723 8151 3726 8150 3725 8149
      3725 8147 3716 8124 3701 8147 3702 8147
      3702 8149 3700 8154 3704 8161
TIME...MOT...LOC 2253Z 217DEG 24KT 3707 8153 

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

RR

042 
WWUS51 KRNK 182301
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
701 PM EDT Thu Mar 18 2021

VAC021-182311-
/O.CAN.KRNK.SV.W.0004.000000T0000Z-210318T2315Z/
Bland VA-
701 PM EDT Thu Mar 18 2021

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

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 3722 8152 3725 8147 3718 8129 3703 8147
      3708 8155
TIME...MOT...LOC 2301Z 213DEG 23KT 3712 8149 

$$

VAC185-182315-
/O.CON.KRNK.SV.W.0004.000000T0000Z-210318T2315Z/
Tazewell VA-
701 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR
NORTHEASTERN TAZEWELL COUNTY...

At 701 PM EDT, a severe thunderstorm was located over Tazewell,
moving northeast at 25 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...
Tazewell...
Tiptop...
and Gratton.

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 3722 8152 3725 8147 3718 8129 3703 8147
      3708 8155
TIME...MOT...LOC 2301Z 213DEG 23KT 3712 8149 

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

RR

530 
WWUS51 KRNK 182313
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
713 PM EDT Thu Mar 18 2021

VAC185-182323-
/O.EXP.KRNK.SV.W.0004.000000T0000Z-210318T2315Z/
Tazewell VA-
713 PM EDT Thu Mar 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
NORTHEASTERN TAZEWELL COUNTY WILL EXPIRE AT 715 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.

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 3722 8152 3725 8147 3718 8129 3703 8147
      3708 8155
TIME...MOT...LOC 2313Z 213DEG 23KT 3718 8144 

$$

RR

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 2:47 PM EDT	Special Weather Statement	RNK	Patrick	43 min
Mar 18, 3:16 PM EDT	Special Weather Statement	RNK	Grayson, Wythe	29 min
Mar 18, 3:34 PM EDT	Special Weather Statement	RNK	Franklin, Henry, Patrick, City of Martinsville	41 min
Mar 18, 4:10 PM EDT	Special Weather Statement	RNK	Amherst, Bedford, Campbell, City of Buena Vista, City of Lynchburg	50 min
Mar 18, 4:15 PM EDT	Special Weather Statement	RNK	Henry, Pittsylvania, City of Martinsville	30 min
Mar 18, 4:44 PM EDT	Special Weather Statement	RNK	Pittsylvania, City of Danville	31 min
Mar 18, 5:15 PM EDT	Special Weather Statement	RNK	City of Danville	30 min
Mar 18, 5:48 PM EDT	Special Weather Statement	RNK	Bland, Tazewell	27 min
Mar 18, 6:05 PM EDT	Special Weather Statement	RNK	Smyth	25 min
Mar 18, 6:31 PM EDT	Special Weather Statement	RNK	Tazewell	29 min
Mar 18, 6:52 PM EDT	Special Weather Statement	RNK	City of Galax	23 min
Mar 18, 7:14 PM EDT	Special Weather Statement	RNK	Carroll	31 min
Mar 18, 7:41 PM EDT	Special Weather Statement	RNK	Carroll	49 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.