Alert archive / Virginia / Tornado Warnings in 2021
Tornado Warning 27, NWS Blacksburg, VA
NWS Blacksburg, VA issued this tornado warning at Aug 31, 2021, 9:58 PM EDT for Bedford County, Botetourt County, Rockbridge County, Virginia. It was in force for 32 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
- Aug 31, 2021, 9:58 PM EDT (01:58 UTC)
- Expired
- Aug 31, 2021, 10:30 PM EDT
- In force
- 32 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Bedford County, VA, Botetourt County, VA, Rockbridge County, VA
The radar
The Roanoke radar (KFCX), 78 km from the middle of the area, began a volume at 02:01 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 31, 7:36 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Roanoke, VA (KRNK), launched 00:00Z, 2.0 hours before the alert went out and 34 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.
- Mixed-layer CAPE
- 319 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.9
The text
As transmitted.
659
WFUS51 KRNK 010158
TORRNK
VAC019-023-163-010230-
/O.NEW.KRNK.TO.W.0027.210901T0158Z-210901T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service BLACKSBURG VA
958 PM EDT Tue Aug 31 2021
The National Weather Service in BLACKSBURG has issued a
* Tornado Warning for...
Southern Rockbridge County in west central Virginia...
North central Bedford County in south central Virginia...
East central Botetourt County in west central Virginia...
* Until 1030 PM EDT.
* At 957 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Peaks Of Otter Recreation Area, or near Montvale,
moving north at 15 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Buchanan...
Peaks Of Otter Recreation Area...
Arcadia...
Peaks Of Otter Summit...
and Natural Bridge.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
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 3739 7963 3741 7968 3767 7973 3759 7940
TIME...MOT...LOC 0157Z 197DEG 14KT 3743 7965
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
WP2 follow-up statements
531
WWUS51 KRNK 010210
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
1010 PM EDT Tue Aug 31 2021
VAC019-010220-
/O.CAN.KRNK.TO.W.0027.000000T0000Z-210901T0230Z/
Bedford VA-
1010 PM EDT Tue Aug 31 2021
...THE TORNADO WARNING FOR
NORTH CENTRAL BEDFORD COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 300 AM EDT for central, south
central, southwestern and west central Virginia.
LAT...LON 3755 7947 3755 7948 3752 7950 3750 7955
3749 7956 3747 7959 3748 7964 3766 7970
3760 7946 3758 7945 3757 7944
TIME...MOT...LOC 0210Z 212DEG 20KT 3751 7960
$$
VAC023-163-010230-
/O.CON.KRNK.TO.W.0027.000000T0000Z-210901T0230Z/
Rockbridge VA-Botetourt VA-
1010 PM EDT Tue Aug 31 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR
SOUTHERN ROCKBRIDGE AND EAST CENTRAL BOTETOURT COUNTIES...
At 1010 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Arcadia, or near Buchanan, moving northeast at 25
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Arcadia.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
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 3755 7947 3755 7948 3752 7950 3750 7955
3749 7956 3747 7959 3748 7964 3766 7970
3760 7946 3758 7945 3757 7944
TIME...MOT...LOC 0210Z 212DEG 20KT 3751 7960
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
WP565
WWUS51 KRNK 010220
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
1020 PM EDT Tue Aug 31 2021
VAC023-163-010230-
/O.EXP.KRNK.TO.W.0027.000000T0000Z-210901T0230Z/
Rockbridge VA-Botetourt VA-
1020 PM EDT Tue Aug 31 2021
...THE TORNADO WARNING FOR
SOUTHWESTERN ROCKBRIDGE AND EAST CENTRAL BOTETOURT COUNTIES WILL
EXPIRE AT 1030 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with this thunderstorm.
A Tornado Watch remains in effect until 300 AM EDT for central, south
central, southwestern and west central Virginia.
LAT...LON 3755 7947 3755 7948 3752 7950 3750 7955
3749 7956 3747 7959 3748 7964 3766 7970
3760 7946 3758 7945 3757 7944
TIME...MOT...LOC 0220Z 197DEG 14KT 3754 7959
$$
WPThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 8:00 PM EDT | Areal Flood Advisory | RNK | Craig, Floyd, Giles, Montgomery, City of Radford | 5 hr |
| Aug 31, 8:26 PM EDT | Special Weather Statement | RNK | Craig, Roanoke, City of Roanoke, City of Salem | 34 min |
| Aug 31, 8:40 PM EDT | Areal Flood Advisory | RNK | Bedford, Botetourt, Craig, Floyd, Franklin, Montgomery and 3 more | 3 hr |
| Aug 31, 8:43 PM EDT | Special Weather Statement | RNK | Craig | 32 min |
| Aug 31, 9:12 PM EDT | Special Weather Statement | RNK | Botetourt | 33 min |
| Aug 31, 9:18 PM EDT | Special Weather Statement | RNK | Alleghany, City of Covington | 27 min |
| Aug 31, 9:35 PM EDT | Tornado Warning | RNK | Bedford, Botetourt | 25 min |
| Aug 31, 9:44 PM EDT | Flash Flood Warning | RNK | Botetourt, Craig, Roanoke | 5 hr |
| Aug 31, 9:47 PM EDT | Special Weather Statement | RNK | Alleghany, Bath, City of Covington | 28 min |
| Aug 31, 10:26 PM EDT | Special Weather Statement | RNK | Rockbridge, City of Buena Vista, City of Lexington | 34 min |
| Aug 31, 10:30 PM EDT | Special Weather Statement | RNK | Botetourt | 30 min |
| Aug 31, 10:32 PM EDT | Areal Flood Advisory | RNK | Bedford, Botetourt, Rockbridge | 3 hr |
| Aug 31, 10:44 PM EDT | Tornado Warning | RNK | Amherst, Rockbridge, City of Buena Vista | 31 min |
| Aug 31, 11:10 PM EDT | Areal Flood Advisory | RNK | Amherst, Rockbridge, City of Buena Vista, City of Lexington | 3 hr |
| Aug 31, 11:17 PM EDT | Special Weather Statement | RNK | City of Buena Vista | 28 min |
| Sep 1, 12:38 AM EDT | Special Weather Statement | RNK | Rockbridge | 22 min |
| Sep 1, 5:29 AM EDT | Areal Flood Advisory | RNK | Alleghany, Botetourt, Craig, Roanoke | 3 hr |
| Sep 1, 7:27 AM EDT | Special Weather Statement | RNK | Campbell, Pittsylvania, City of Danville, City of Lynchburg | 48 min |
| Sep 1, 7:54 AM EDT | Special Weather Statement | RNK | Amherst, City of Lynchburg | 51 min |
| Sep 1, 8:43 AM EDT | Special Weather Statement | RNK | Amherst | 32 min |
| Sep 1, 9:17 AM EDT | Areal Flood Advisory | RNK | Franklin | 118 min |
| Sep 1, 11:38 AM EDT | Special Weather Statement | RNK | Floyd, Roanoke, City of Roanoke, City of Salem | 22 min |
| Sep 1, 11:59 AM EDT | Special Weather Statement | RNK | City of Roanoke, City of Salem | 46 min |
| Sep 1, 12:06 PM EDT | Areal Flood Advisory | RNK | Carroll, Floyd, Franklin, Montgomery, Patrick, Roanoke and 1 more | 3 hr |
| Sep 1, 3:47 PM EDT | Areal Flood Advisory | RNK | Patrick | 2 hr |
Nearby
Tornado Warnings in Virginia, 2021Every tornado warning in 2021Tornadoes 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.