Alert archive / Virginia / Tornado Warnings in 2021
Tornado Warning 24, NWS Blacksburg, VA
NWS Blacksburg, VA issued this tornado warning at Aug 31, 2021, 7:11 PM EDT for Craig County, Montgomery County, Virginia. It was in force for 34 min. 2 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
- Aug 31, 2021, 7:11 PM EDT (23:11 UTC)
- Expired
- Aug 31, 2021, 7:45 PM EDT
- In force
- 34 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Craig County, VA, Montgomery County, VA
The radar
The Roanoke radar (KFCX), 37 km from the middle of the area, began a volume at 23:10 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 |
|---|---|---|---|
| Aug 31, 7:17 PM EDT | TSTM WND DMG | 2 Ne Blacksburg, VA | LARGE TREE LIMB DOWN ON HAPPY HOLLOW ROAD. TIME ESTIMATED FROM RADAR. |
| Aug 31, 7:18 PM EDT | TSTM WND DMG | 4 Ene Blacksburg, VA | TREE DOWN PARTIALLY BLOCKING CATAWBA ROAD. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 11.2 hours before the alert went out and 70 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
- 46 J/kg
- Mixed-layer CIN
- -156 J/kg
- Mixed-layer LCL
- 1029 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
781
WFUS51 KRNK 312311
TORRNK
VAC045-121-312345-
/O.NEW.KRNK.TO.W.0024.210831T2311Z-210831T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service BLACKSBURG VA
711 PM EDT Tue Aug 31 2021
The National Weather Service in BLACKSBURG has issued a
* Tornado Warning for...
Southwestern Craig County in southwestern Virginia...
North central Montgomery County in southwestern Virginia...
* Until 745 PM EDT.
* At 711 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Blacksburg, moving northeast at 20 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...
Blacksburg...
Sinking Creek...
Huffman...
Maggie...
Simmonsville...
Mc Donalds Mill...
and Abbott.
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.
Heavy rainfall may hide this tornado. 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 3741 8014 3738 8018 3738 8020 3737 8021
3736 8024 3734 8026 3732 8026 3722 8040
3724 8044 3745 8043
TIME...MOT...LOC 2311Z 203DEG 17KT 3725 8042
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
WP2 follow-up statements
582
WWUS51 KRNK 312326
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
726 PM EDT Tue Aug 31 2021
VAC045-121-312345-
/O.CON.KRNK.TO.W.0024.000000T0000Z-210831T2345Z/
Craig VA-Montgomery VA-
726 PM EDT Tue Aug 31 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR
SOUTHWESTERN CRAIG AND NORTH CENTRAL MONTGOMERY COUNTIES...
At 726 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Huffman, or near Blacksburg, moving northeast at 20
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Sinking Creek...
Huffman...
Maggie...
Simmonsville...
and Abbott.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
&&
LAT...LON 3741 8014 3739 8020 3738 8022 3737 8023
3736 8028 3734 8028 3732 8027 3727 8037
3729 8042 3745 8043
TIME...MOT...LOC 2326Z 212DEG 15KT 3730 8038
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
WP683
WWUS51 KRNK 312342
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
742 PM EDT Tue Aug 31 2021
VAC045-121-312352-
/O.EXP.KRNK.TO.W.0024.000000T0000Z-210831T2345Z/
Craig VA-Montgomery VA-
742 PM EDT Tue Aug 31 2021
...THE TORNADO WARNING FOR
SOUTHWESTERN CRAIG AND NORTH CENTRAL MONTGOMERY COUNTIES WILL EXPIRE
AT 745 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 heavy rain
is still possible with this thunderstorm.
A Tornado Watch remains in effect until 300 AM EDT for south central,
southwestern and west central Virginia.
LAT...LON 3741 8014 3739 8020 3738 8022 3737 8023
3736 8028 3734 8028 3732 8027 3727 8037
3729 8042 3745 8043
TIME...MOT...LOC 2342Z 214DEG 22KT 3738 8031
$$
WPThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 8:28 PM EDT | Special Weather Statement | RNK | City of Martinsville | 32 min |
| Aug 30, 8:59 PM EDT | Special Weather Statement | RNK | City of Martinsville | 31 min |
| Aug 31, 1:42 AM EDT | Special Weather Statement | RNK | Smyth | 33 min |
| Aug 31, 2:59 PM EDT | Wind Advisory | RNK | Grayson, Smyth, Tazewell | 15 hr |
| Aug 31, 4:29 PM EDT | Special Weather Statement | RNK | Carroll | 31 min |
| Aug 31, 4:54 PM EDT | Tornado Warning | RNK | Carroll | 36 min |
| Aug 31, 4:57 PM EDT | Special Weather Statement | RNK | City of Galax | 33 min |
| Aug 31, 5:36 PM EDT | Special Weather Statement | RNK | Floyd | 24 min |
| Aug 31, 6:29 PM EDT | Special Weather Statement | RNK | Montgomery, City of Radford | 31 min |
| Aug 31, 6:39 PM EDT | Tornado Warning | RNK | Montgomery, City of Radford | 36 min |
| Aug 31, 7:29 PM EDT | Special Weather Statement | RNK | Montgomery, City of Radford | 31 min |
| Aug 31, 7:33 PM EDT | Special Weather Statement | RNK | Floyd | 27 min |
| Aug 31, 7:50 PM EDT | Tornado Warning | RNK | Giles, Montgomery | 25 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.