Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 7, NWS Blacksburg, VA

March 27, 20215 counties in Virginia; Ashe County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Mar 27, 2021, 11:52 AM EDT for 5 counties in Virginia; Ashe County, North Carolina. It was in force for 53 min. 6 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, 11:52 AM EDT (15:52 UTC)
Expired
Mar 27, 2021, 12:45 PM EDT
In force
53 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Ashe County, NC, Bland County, VA, Grayson County, VA, Smyth County, VA, Tazewell County, VA, Wythe County, VA

The radar

The Roanoke radar (KFCX), 102 km from the middle of the area, began a volume at 15:54 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

TimeReportWhereRemark
Mar 27, 11:55 AM EDTHAIL 1.25Volney, VAQUARTER TO HALF DOLLAR HAIL. GROUND ALMOST COVERED IN HAIL.
Mar 27, 12:00 PM EDTHAIL 0.51 E Flatwood, NC
Mar 27, 12:18 PM EDTHAIL 0.25Saltville, VA
Mar 27, 12:37 PM EDTHAIL 0.51 Wsw Ivanhoe, VA
Mar 27, 12:40 PM EDTHAIL 0.71 E Flatwood, NC
Mar 27, 12:55 PM EDTHAIL 0.71 Nnw Mouth Of Wilson, VA

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

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 3.9 hours before the alert went out and 166 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2021-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2021-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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.

648 
WUUS51 KRNK 271552
SVRRNK
NCC009-VAC021-077-173-185-197-271645-
/O.NEW.KRNK.SV.W.0007.210327T1552Z-210327T1645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
1152 AM EDT Sat Mar 27 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  North central Ashe County in northwestern North Carolina...
  Smyth County in southwestern Virginia...
  Tazewell County in southwestern Virginia...
  Bland County in southwestern Virginia...
  Wythe County in southwestern Virginia...
  Grayson County in southwestern Virginia...

* Until 1245 PM EDT.

* At 1151 AM EDT, severe thunderstorms were located along a line
  extending from near Abingdon to Nella, moving northeast at 50 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...
  Wytheville...
  Bland...
  Marion...
  Bluefield...
  Tazewell...
  Saltville...
  and Chilhowie.

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 3696 8178 3701 8180 3721 8159 3723 8151
      3726 8150 3727 8142 3734 8136 3723 8123
      3725 8119 3704 8090 3688 8074 3681 8103
      3674 8099 3657 8132 3657 8135 3646 8154
      3656 8169 3664 8161 3678 8170 3693 8183
TIME...MOT...LOC 1551Z 230DEG 44KT 3677 8191 3656 8154 

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

RR
2 follow-up statements
997 
WWUS51 KRNK 271620
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
1220 PM EDT Sat Mar 27 2021

NCC009-271630-
/O.CAN.KRNK.SV.W.0007.000000T0000Z-210327T1645Z/
Ashe NC-
1220 PM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
NORTH CENTRAL ASHE COUNTY IS CANCELLED...

The storms which prompted the warning have 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 3696 8178 3701 8180 3721 8159 3723 8151
      3726 8150 3727 8142 3734 8136 3723 8123
      3725 8119 3704 8090 3688 8074 3681 8103
      3674 8099 3665 8116 3693 8183
TIME...MOT...LOC 1620Z 230DEG 44KT 3698 8160 3677 8123 

$$

VAC021-077-173-185-197-271645-
/O.CON.KRNK.SV.W.0007.000000T0000Z-210327T1645Z/
Smyth VA-Tazewell VA-Bland VA-Wythe VA-Grayson VA-
1220 PM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT
FOR
SMYTH...TAZEWELL...BLAND...WYTHE AND NORTHEASTERN GRAYSON COUNTIES...

At 1220 PM EDT, severe thunderstorms were located along a line
extending from near Asberrys to Comers Rock, moving northeast at 50
mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Wytheville...
Bland...
Marion...
Bluefield...
Tazewell...
Rural Retreat...
and Ceres.

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 3696 8178 3701 8180 3721 8159 3723 8151
      3726 8150 3727 8142 3734 8136 3723 8123
      3725 8119 3704 8090 3688 8074 3681 8103
      3674 8099 3665 8116 3693 8183
TIME...MOT...LOC 1620Z 230DEG 44KT 3698 8160 3677 8123 

HAIL...1.25IN
WIND...60MPH
 
$$

RR
712 
WWUS51 KRNK 271632
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
1232 PM EDT Sat Mar 27 2021

VAC021-173-185-271641-
/O.CAN.KRNK.SV.W.0007.000000T0000Z-210327T1645Z/
Smyth VA-Tazewell VA-Bland VA-
1232 PM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
SMYTH...TAZEWELL AND BLAND COUNTIES IS CANCELLED...

The storms which prompted the warning have weakened. 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 3676 8119 3704 8090 3688 8074 3681 8103
      3674 8099 3670 8108
TIME...MOT...LOC 1631Z 238DEG 39KT 3689 8114 3671 8098 

$$

VAC077-197-271645-
/O.CON.KRNK.SV.W.0007.000000T0000Z-210327T1645Z/
Wythe VA-Grayson VA-
1232 PM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT
FOR
EASTERN WYTHE AND NORTHEASTERN GRAYSON COUNTIES...

At 1231 PM EDT, severe thunderstorms were located along a line
extending from near Crockett to Fries, moving northeast at 45 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Max Meadows...
Patterson...
Fort Chiswell...
Cripple Creek...
Grahams Forge...
Gunton Park...
and Ivanhoe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for 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 3676 8119 3704 8090 3688 8074 3681 8103
      3674 8099 3670 8108
TIME...MOT...LOC 1631Z 238DEG 39KT 3689 8114 3671 8098 

HAIL...1.00IN
WIND...<50MPH
 
$$

RR

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 11:26 AM EDTSpecial Weather StatementRNKSmyth, Tazewell64 min
Mar 27, 12:22 PM EDTSevere Thunderstorm WarningRNKCarroll, Grayson, Smyth, Wythe, City of Galax53 min
Mar 27, 1:11 PM EDTSevere Thunderstorm WarningRNKCarroll, Floyd, Grayson, Montgomery, Patrick, Pulaski and 2 more64 min
Mar 27, 1:15 PM EDTSevere Thunderstorm WarningRNKBland, Grayson, Smyth, Tazewell, Wythe60 min
Mar 27, 2:04 PM EDTSevere Thunderstorm WarningRNKFloyd, Franklin, Patrick41 min
Mar 27, 2:06 PM EDTSevere Thunderstorm WarningRNKBland, Carroll, Grayson, Pulaski, Smyth, Wythe and 1 more39 min
Mar 27, 2:38 PM EDTSevere Thunderstorm WarningRNKBedford, Campbell, Franklin, Pittsylvania52 min
Mar 27, 2:43 PM EDTSpecial Weather StatementRNKCarroll, Floyd, Henry, Patrick, Pulaski47 min
Mar 27, 2:56 PM EDTSevere Thunderstorm WarningRNKCarroll, Floyd, Franklin, Henry, Montgomery, Patrick and 4 more64 min
Mar 27, 3:44 PM EDTSpecial Weather StatementRNKCaswell31 min

Nearby

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