Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 12, NWS Blacksburg, VA

March 27, 20217 counties in Virginia; 5 counties in North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Mar 27, 2021, 2:06 PM EDT for 7 counties in Virginia; 5 counties in North Carolina. It was in force for 39 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: Mar 27, 2021, 2:06 PM EDT (18:06 UTC)
Expired: Mar 27, 2021, 2:45 PM EDT
In force: 39 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Alleghany County, NC, Ashe County, NC, Surry County, NC, Watauga County, NC, Wilkes County, NC, Bland County, VA, Carroll County, VA, City of Galax, VA, Grayson County, VA, Pulaski County, VA, Smyth County, VA, Wythe County, VA

The radar

The Roanoke radar (KFCX), 110 km from the middle of the area, began a volume at 18:10 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 27, 2:18 PM EDT	HAIL 0.25	2 Nne Maple Springs, NC
Mar 27, 2:20 PM EDT	HAIL 0.25	2 E Sparta, NC	&&
Mar 27, 2:20 PM EDT	HAIL 0.25	2 E Sparta, NC

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
Mar 27, 2:03 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.1 hours before the alert went out and 123 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: 2434 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

809 
WUUS51 KRNK 271806
SVRRNK
NCC005-009-171-189-193-VAC021-035-077-155-173-197-640-271845-
/O.NEW.KRNK.SV.W.0012.210327T1806Z-210327T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
206 PM EDT Sat Mar 27 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Alleghany County in northwestern North Carolina...
  Western Surry County in northwestern North Carolina...
  Wilkes County in northwestern North Carolina...
  Southeastern Watauga County in northwestern North Carolina...
  Eastern Ashe County in northwestern North Carolina...
  Pulaski County in southwestern Virginia...
  Northeastern Smyth County in southwestern Virginia...
  Southern Bland County in southwestern Virginia...
  Wythe County in southwestern Virginia...
  Carroll County in southwestern Virginia...
  The City of Galax in southwestern Virginia...
  Grayson County in southwestern Virginia...

* Until 245 PM EDT.

* At 205 PM EDT, severe thunderstorms were located along a line
  extending from near Ceres to Mouth Of Wilson to 8 miles northwest
  of Lenoir, moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Pulaski...
  Wytheville...
  Galax...
  Bland...
  North Wilkesboro...
  Wilkesboro...
  and Hillsville.

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 3602 8135 3604 8139 3607 8141 3607 8144
      3609 8146 3610 8151 3612 8154 3612 8162
      3654 8142 3703 8138 3716 8087 3715 8085
      3718 8080 3722 8064 3672 8067 3606 8097
      3603 8106 3603 8123 3600 8133
TIME...MOT...LOC 1805Z 251DEG 40KT 3704 8131 3656 8135 3599 8163 

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

RR

3 follow-up statements

100 
WWUS51 KRNK 271821
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
221 PM EDT Sat Mar 27 2021

NCC189-VAC173-271830-
/O.CAN.KRNK.SV.W.0012.000000T0000Z-210327T1845Z/
Watauga NC-Smyth VA-
221 PM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
SOUTHEASTERN WATAUGA AND NORTHEASTERN SMYTH COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
north central and northwestern North Carolina...and southwestern
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 3600 8133 3602 8135 3604 8139 3607 8141
      3607 8144 3609 8146 3610 8151 3658 8128
      3706 8125 3716 8087 3715 8085 3718 8080
      3722 8064 3672 8067 3606 8097 3603 8106
      3603 8123
TIME...MOT...LOC 1820Z 251DEG 40KT 3709 8114 3661 8118 3604 8146 

$$

NCC005-009-171-193-VAC021-035-077-155-197-640-271845-
/O.CON.KRNK.SV.W.0012.000000T0000Z-210327T1845Z/
Alleghany NC-Surry NC-Wilkes NC-Ashe NC-Pulaski VA-Bland VA-Wythe VA-
Carroll VA-City of Galax VA-Grayson VA-
221 PM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR
ALLEGHANY...WESTERN SURRY...WILKES AND SOUTHEASTERN ASHE COUNTIES IN
NORTHWESTERN NORTH CAROLINA...PULASKI...SOUTHEASTERN BLAND...WYTHE...
CARROLL AND EASTERN GRAYSON COUNTIES IN SOUTHWESTERN VIRGINIA AND THE
CITY OF GALAX...

At 220 PM EDT, severe thunderstorms were located along a line
extending from Bland to Independence to near Elkville, moving east at
45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Pulaski...
Wytheville...
Galax...
Bland...
North Wilkesboro...
Wilkesboro...
and Hillsville.

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 3600 8133 3602 8135 3604 8139 3607 8141
      3607 8144 3609 8146 3610 8151 3658 8128
      3706 8125 3716 8087 3715 8085 3718 8080
      3722 8064 3672 8067 3606 8097 3603 8106
      3603 8123
TIME...MOT...LOC 1820Z 251DEG 40KT 3709 8114 3661 8118 3604 8146 

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

RR

013 
WWUS51 KRNK 271830
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
230 PM EDT Sat Mar 27 2021

NCC009-271840-
/O.CAN.KRNK.SV.W.0012.000000T0000Z-210327T1845Z/
Ashe NC-
230 PM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
SOUTHEASTERN ASHE COUNTY IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
north central and northwestern North Carolina...and southwestern
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 3600 8133 3602 8135 3604 8139 3607 8141
      3636 8127 3636 8125 3640 8125 3662 8114
      3711 8106 3716 8087 3715 8085 3718 8080
      3722 8064 3672 8067 3606 8097 3603 8106
      3603 8123
TIME...MOT...LOC 1830Z 251DEG 40KT 3712 8103 3664 8107 3607 8135 

$$

NCC005-171-193-VAC021-035-077-155-197-640-271845-
/O.CON.KRNK.SV.W.0012.000000T0000Z-210327T1845Z/
Alleghany NC-Surry NC-Wilkes NC-Pulaski VA-Bland VA-Wythe VA-
Carroll VA-City of Galax VA-Grayson VA-
230 PM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR
ALLEGHANY...WESTERN SURRY AND WILKES COUNTIES IN NORTHWESTERN NORTH
CAROLINA...PULASKI...EAST CENTRAL BLAND...EASTERN WYTHE...CARROLL AND
EASTERN GRAYSON COUNTIES IN SOUTHWESTERN VIRGINIA AND THE CITY OF
GALAX...

At 230 PM EDT, severe thunderstorms were located along a line
extending from near Kimberling to near Baywood to near Elkville,
moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Pulaski...
Wytheville...
Galax...
North Wilkesboro...
Wilkesboro...
Hillsville...
and Dublin.

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 3600 8133 3602 8135 3604 8139 3607 8141
      3636 8127 3636 8125 3640 8125 3662 8114
      3711 8106 3716 8087 3715 8085 3718 8080
      3722 8064 3672 8067 3606 8097 3603 8106
      3603 8123
TIME...MOT...LOC 1830Z 251DEG 40KT 3712 8103 3664 8107 3607 8135 

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

RR

410 
WWUS51 KRNK 271844
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
244 PM EDT Sat Mar 27 2021

NCC005-171-193-VAC021-035-077-155-197-640-271854-
/O.EXP.KRNK.SV.W.0012.000000T0000Z-210327T1845Z/
Alleghany NC-Surry NC-Wilkes NC-Pulaski VA-Bland VA-Wythe VA-
Carroll VA-City of Galax VA-Grayson VA-
244 PM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
ALLEGHANY...WESTERN SURRY AND WILKES COUNTIES IN NORTHWESTERN NORTH
CAROLINA...PULASKI...EAST CENTRAL BLAND...EASTERN WYTHE...CARROLL AND
EASTERN GRAYSON COUNTIES IN SOUTHWESTERN VIRGINIA AND THE CITY OF
GALAX WILL EXPIRE AT 245 PM EDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
north central and northwestern North Carolina...and southwestern
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 3600 8133 3602 8135 3604 8139 3607 8141
      3636 8127 3636 8125 3640 8125 3662 8114
      3711 8106 3716 8087 3715 8085 3718 8080
      3722 8064 3672 8067 3606 8097 3603 8106
      3603 8123
TIME...MOT...LOC 1844Z 251DEG 40KT 3716 8087 3668 8091 3611 8119 

$$

RR

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 11:26 AM EDT	Special Weather Statement	RNK	Smyth, Tazewell	64 min
Mar 27, 11:52 AM EDT	Severe Thunderstorm Warning	RNK	Bland, Grayson, Smyth, Tazewell, Wythe	53 min
Mar 27, 12:22 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Grayson, Smyth, Wythe, City of Galax	53 min
Mar 27, 1:11 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Floyd, Grayson, Montgomery, Patrick, Pulaski and 2 more	64 min
Mar 27, 1:15 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Grayson, Smyth, Tazewell, Wythe	60 min
Mar 27, 2:04 PM EDT	Severe Thunderstorm Warning	RNK	Floyd, Franklin, Patrick	41 min
Mar 27, 2:38 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Campbell, Franklin, Pittsylvania	52 min
Mar 27, 2:43 PM EDT	Special Weather Statement	RNK	Carroll, Floyd, Henry, Patrick, Pulaski	47 min
Mar 27, 2:56 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Floyd, Franklin, Henry, Montgomery, Patrick and 4 more	64 min
Mar 27, 3:44 PM EDT	Special Weather Statement	RNK	Caswell	31 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2021 Severe Thunderstorm Warnings in North Carolina, 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.