Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 11, NWS Blacksburg, VA

March 27, 2021Floyd County, Franklin County, Patrick County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Mar 27, 2021, 2:04 PM EDT for Floyd County, Franklin County, Patrick County, Virginia. It was in force for 41 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, 2:04 PM EDT (18:04 UTC)
Expired
Mar 27, 2021, 2:45 PM EDT
In force
41 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Floyd County, VA, Franklin County, VA, Patrick County, VA

The radar

The Roanoke radar (KFCX), 14 km from the middle of the area, began a volume at 18:04 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, 2:07 PM EDTHAIL 1.51 Ssw Floyd, VA
Mar 27, 2:10 PM EDTHAIL 0.54 Ene Floyd, VA
Mar 27, 2:36 PM EDTHAIL 0.7Rocky Mount, VA

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.

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

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.1 hours before the alert went out and 97 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.

125 
WUUS51 KRNK 271804
SVRRNK
VAC063-067-141-271845-
/O.NEW.KRNK.SV.W.0011.210327T1804Z-210327T1845Z/

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

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Central Floyd County in southwestern Virginia...
  Central Franklin County in west central Virginia...
  North central Patrick County in southwestern Virginia...

* Until 245 PM EDT.

* At 204 PM EDT, a severe thunderstorm was located over Floyd, moving
  east at 45 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Rocky Mount...
  Floyd...
  Boones Mill...
  Ferrum...
  Endicott...
  Burnt Chimney...
  and Callaway.

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 3680 8044 3692 8047 3717 7982 3692 7972
TIME...MOT...LOC 1804Z 251DEG 40KT 3689 8036 

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

RR
4 follow-up statements
966 
WWUS51 KRNK 271820
SVSRNK

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

VAC141-271829-
/O.CAN.KRNK.SV.W.0011.000000T0000Z-210327T1845Z/
Patrick VA-
220 PM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
NORTH CENTRAL PATRICK 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
north central North Carolina...and south central, southwestern 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 3688 8020 3699 8025 3716 7982 3693 7973
TIME...MOT...LOC 1819Z 250DEG 44KT 3695 8013 

$$

VAC063-067-271845-
/O.CON.KRNK.SV.W.0011.000000T0000Z-210327T1845Z/
Floyd VA-Franklin VA-
220 PM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR
EAST CENTRAL FLOYD AND CENTRAL FRANKLIN COUNTIES...

At 219 PM EDT, a severe thunderstorm was located near Endicott, or
near Ferrum, moving east at 50 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Rocky Mount...
Boones Mill...
Ferrum...
Burnt Chimney...
Callaway...
Sontag...
and Wirtz.

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 3688 8020 3699 8025 3716 7982 3693 7973
TIME...MOT...LOC 1819Z 250DEG 44KT 3695 8013 

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

RR
552 
WWUS51 KRNK 271826
SVSRNK

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

VAC063-271836-
/O.CAN.KRNK.SV.W.0011.000000T0000Z-210327T1845Z/
Floyd VA-
226 PM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
EAST CENTRAL FLOYD 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, southwestern 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 3701 8012 3701 8011 3702 8012 3703 8011
      3704 8011 3715 7982 3694 7973 3691 8009
TIME...MOT...LOC 1826Z 252DEG 45KT 3698 8002 

$$

VAC067-271845-
/O.CON.KRNK.SV.W.0011.000000T0000Z-210327T1845Z/
Franklin VA-
226 PM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR
CENTRAL FRANKLIN COUNTY...

At 226 PM EDT, a severe thunderstorm was located near Callaway, or
near Ferrum, moving east at 50 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Rocky Mount...
Ferrum...
Callaway...
Burnt Chimney...
Wirtz...
and Sontag.

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 3701 8012 3701 8011 3702 8012 3703 8011
      3704 8011 3715 7982 3694 7973 3691 8009
TIME...MOT...LOC 1826Z 252DEG 45KT 3698 8002 

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

RR
174 
WWUS51 KRNK 271836
SVSRNK

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

VAC067-271845-
/O.CON.KRNK.SV.W.0011.000000T0000Z-210327T1845Z/
Franklin VA-
236 PM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR
CENTRAL FRANKLIN COUNTY...

At 235 PM EDT, a severe thunderstorm was located over Rocky Mount,
moving east at 45 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Rocky Mount...
Ferrum...
Burnt Chimney...
and Wirtz.

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 3694 7998 3705 8001 3714 7982 3695 7973
TIME...MOT...LOC 1835Z 251DEG 40KT 3702 7989 

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

RR
171 
WWUS51 KRNK 271848 RRA
SVSRNK

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

VAC067-271858-
/O.EXP.KRNK.SV.W.0011.000000T0000Z-210327T1845Z/
Franklin VA-
248 PM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
CENTRAL FRANKLIN COUNTY HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
south central, southwestern 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 3694 7998 3705 8001 3714 7982 3695 7973
TIME...MOT...LOC 1848Z 251DEG 40KT 3706 7975 

$$

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, 2:06 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

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.