Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Blacksburg, VA

March 27, 20214 counties in Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Mar 27, 2021, 2:38 PM EDT for 4 counties in Virginia. It was in force for 52 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
Mar 27, 2021, 2:38 PM EDT (18:38 UTC)
Expired
Mar 27, 2021, 3:30 PM EDT
In force
52 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Bedford County, VA, Campbell County, VA, Franklin County, VA, Pittsylvania County, VA

The radar

The Roanoke radar (KFCX), 56 km from the middle of the area, began a volume at 18:38 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 27, 2:03 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.6 hours before the alert went out and 113 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.

242 
WUUS51 KRNK 271838
SVRRNK
VAC019-031-067-143-271930-
/O.NEW.KRNK.SV.W.0013.210327T1838Z-210327T1930Z/

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

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Southwestern Campbell County in central Virginia...
  Northern Pittsylvania County in south central Virginia...
  Southern Bedford County in south central Virginia...
  Northeastern Franklin County in west central Virginia...

* Until 330 PM EDT.

* At 238 PM EDT, a severe thunderstorm was located over Rocky Mount,
  moving east at 50 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Rocky Mount...
  Altavista...
  Hurt...
  Huddleston...
  Moneta...
  Evington...
  and Penhook.

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 3696 7994 3706 7998 3734 7926 3705 7909
TIME...MOT...LOC 1838Z 249DEG 45KT 3702 7985 

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

RR
3 follow-up statements
591 
WWUS51 KRNK 271848
SVSRNK

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

VAC019-031-067-143-271930-
/O.CON.KRNK.SV.W.0013.000000T0000Z-210327T1930Z/
Campbell VA-Pittsylvania VA-Bedford VA-Franklin VA-
248 PM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR
SOUTHWESTERN CAMPBELL...NORTHWESTERN PITTSYLVANIA...SOUTHERN BEDFORD
AND NORTHEASTERN FRANKLIN COUNTIES...

At 247 PM EDT, a severe thunderstorm was located over Western Smith
Mountain Lake, or near Penhook, moving east at 50 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Altavista...
Hurt...
Huddleston...
Moneta...
Evington...
Penhook...
and Leesville.

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 3699 7977 3712 7983 3715 7976 3733 7925
      3711 7913
TIME...MOT...LOC 1847Z 249DEG 45KT 3706 7970 

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

RR
530 
WWUS51 KRNK 271859
SVSRNK

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

VAC067-271909-
/O.CAN.KRNK.SV.W.0013.000000T0000Z-210327T1930Z/
Franklin VA-
259 PM EDT Sat Mar 27 2021

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

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
south central and west central 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 3711 7913 3702 7960 3704 7959 3705 7960
      3705 7959 3708 7962 3708 7961 3710 7964
      3713 7966 3733 7925
TIME...MOT...LOC 1859Z 249DEG 45KT 3712 7951 

$$

VAC019-031-143-271930-
/O.CON.KRNK.SV.W.0013.000000T0000Z-210327T1930Z/
Campbell VA-Pittsylvania VA-Bedford VA-
259 PM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR
SOUTHWESTERN CAMPBELL...NORTHWESTERN PITTSYLVANIA AND SOUTHEASTERN
BEDFORD COUNTIES...

At 259 PM EDT, a severe thunderstorm was located near Huddleston,
moving east at 50 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Altavista...
Hurt...
Huddleston...
Evington...
Hodges...
Leesville...
and Smith Mountain Lake State Park.

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 3711 7913 3702 7960 3704 7959 3705 7960
      3705 7959 3708 7962 3708 7961 3710 7964
      3713 7966 3733 7925
TIME...MOT...LOC 1859Z 249DEG 45KT 3712 7951 

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

RR
303 
WWUS51 KRNK 271908
SVSRNK

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

VAC019-031-143-271930-
/O.CON.KRNK.SV.W.0013.000000T0000Z-210327T1930Z/
Campbell VA-Pittsylvania VA-Bedford VA-
308 PM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR
SOUTHWESTERN CAMPBELL...NORTH CENTRAL PITTSYLVANIA AND SOUTH CENTRAL
BEDFORD COUNTIES...

At 308 PM EDT, a severe thunderstorm was located over Leesville, or
near Altavista, moving east at 50 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Altavista...
Hurt...
Evington...
Hodges...
and Leesville.

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 3705 7942 3718 7948 3727 7922 3711 7913
TIME...MOT...LOC 1908Z 251DEG 45KT 3712 7936 

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, 11:52 AM EDTSevere Thunderstorm WarningRNKBland, Grayson, Smyth, Tazewell, Wythe53 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, 2:43 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

Nearby

Severe Thunderstorm Warnings in Virginia, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.