Alert archive / Virginia / Tornado Warnings in 2017
Tornado Warning 17, NWS Blacksburg, VA
NWS Blacksburg, VA issued this tornado warning at Oct 23, 2017, 5:55 PM EDT for Alleghany County, Surry County, North Carolina; Carroll County, Grayson County, City of Galax, Virginia. It was in force for 35 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
- Oct 23, 2017, 5:55 PM EDT (21:55 UTC)
- Expired
- Oct 23, 2017, 6:30 PM EDT
- In force
- 35 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Alleghany County, NC, Surry County, NC, Carroll County, VA, City of Galax, VA, Grayson County, VA
The radar
The Roanoke radar (KFCX), 65 km from the middle of the area, began a volume at 21:58 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 |
|---|---|---|---|
| Oct 23, 5:58 PM EDT | TSTM WND DMG | 2 Sse Fries, VA | THUNDERSTORM WINDS DOWNED THREE LARGE TREES IN A HOMEOWNERS BACK YARD ALONG WINDMILL ROAD NEAR GALAX, VA. |
| Oct 23, 5:58 PM EDT | TSTM WND DMG | 6 Ese Fries, VA | THUNDERSTORM WINDS BROUGHT DOWN TWO TREES ALONG WINTERBERRY ROAD. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 23, 2:00 PM EDT | Tornado Watch | SPC | 8 hr |
| Oct 23, 5:40 PM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.9 hours before the alert went out and 101 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 597 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 259 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
972
WFUS51 KRNK 232155
TORRNK
NCC005-171-VAC035-077-640-232230-
/O.NEW.KRNK.TO.W.0017.171023T2155Z-171023T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service BLACKSBURG VA
555 PM EDT MON OCT 23 2017
The National Weather Service in BLACKSBURG has issued a
* Tornado Warning for...
Northeastern Alleghany County in northwestern North Carolina...
Northwestern Surry County in northwestern North Carolina...
Southern Carroll County in southwestern Virginia...
The City of Galax in southwestern Virginia...
Eastern Grayson County in southwestern Virginia...
* Until 630 PM EDT
* At 555 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Cumberland Knob, 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...
Galax...
Fries...
Fancy Gap...
Ennice...
and Cana.
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.
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 3653 8110 3679 8108 3669 8052 3666 8057
3666 8059 3663 8061 3647 8085
TIME...MOT...LOC 2155Z 215DEG 19KT 3659 8092
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
KK1 follow-up statement
721
WWUS51 KRNK 232222
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
622 PM EDT MON OCT 23 2017
NCC005-171-VAC035-077-640-232231-
/O.EXP.KRNK.TO.W.0017.000000T0000Z-171023T2230Z/
Alleghany NC-Surry NC-Carroll VA-City of Galax VA-Grayson VA-
622 PM EDT MON OCT 23 2017
...THE TORNADO WARNING FOR
NORTHEASTERN ALLEGHANY AND NORTHWESTERN SURRY COUNTIES IN
NORTHWESTERN NORTH CAROLINA...SOUTHERN CARROLL AND EASTERN GRAYSON
COUNTIES IN SOUTHWESTERN VIRGINIA AND THE CITY OF GALAX WILL EXPIRE
AT 630 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire. However gusty winds are still possible with
this thunderstorm.
A tornado watch remains in effect until 900 PM EDT for north central
and northwestern North Carolina. A tornado watch also remains in
effect until 200 AM EDT for southwestern and west central Virginia.
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
LAT...LON 3653 8110 3679 8108 3669 8052 3666 8057
3666 8059 3663 8061 3647 8085
TIME...MOT...LOC 2221Z 215DEG 19KT 3688 8066
$$
KKThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 23, 10:46 AM EDT | Flash Flood Watch | RNK | Alleghany, Ashe, Watauga | 9 hr |
| Oct 23, 2:46 PM EDT | Flash Flood Warning | RNK | Alleghany, Ashe, Watauga | 6 hr |
| Oct 23, 5:00 PM EDT | Tornado Warning | RNK | Ashe, Wilkes | 30 min |
| Oct 23, 5:23 PM EDT | Severe Thunderstorm Warning | RNK | Surry, Wilkes, Yadkin | 67 min |
| Oct 23, 5:26 PM EDT | Tornado Warning | RNK | Alleghany, Ashe, Surry, Wilkes | 34 min |
| Oct 23, 5:47 PM EDT | Severe Thunderstorm Warning | RNK | Stokes, Surry, Yadkin | 58 min |
| Oct 23, 6:46 PM EDT | Severe Thunderstorm Warning | RNK | Rockingham, Stokes | 59 min |
| Oct 23, 7:16 PM EDT | Tornado Warning | RNK | Caswell, Rockingham | 29 min |
| Oct 23, 7:50 PM EDT | Special Weather Statement | RNK | Caswell | 55 min |
| Oct 23, 3:07 PM EDT | Special Weather Statement | RNK | Bland, Carroll, Grayson, Pulaski, Smyth, Tazewell and 2 more | 83 min |
| Oct 23, 4:27 PM EDT | Special Weather Statement | RNK | Craig, Giles, Montgomery, Pulaski, City of Radford | 108 min |
| Oct 23, 4:40 PM EDT | Special Weather Statement | RNK | Bland, Carroll, Grayson, Pulaski, Smyth, Tazewell and 2 more | 110 min |
| Oct 23, 5:06 PM EDT | Flash Flood Warning | RNK | Bland, Carroll, Grayson, Smyth, Tazewell, Wythe and 1 more | 6 hr |
| Oct 23, 5:53 PM EDT | Flash Flood Warning | RNK | Carroll, Floyd, Patrick | 6 hr |
| Oct 23, 6:16 PM EDT | Special Weather Statement | RNK | Alleghany, Craig, Giles, Montgomery, Pulaski, City of Covington and 1 more | 89 min |
| Oct 23, 6:16 PM EDT | Severe Thunderstorm Warning | RNK | Bland, Carroll, Floyd, Giles, Montgomery, Pulaski and 2 more | 59 min |
| Oct 23, 6:24 PM EDT | Special Weather Statement | RNK | Bath, Botetourt, Roanoke, Rockbridge, City of Buena Vista, City of Lexington and 2 more | 111 min |
| Oct 23, 6:42 PM EDT | Severe Thunderstorm Warning | RNK | Craig, Giles, Montgomery, Pulaski | 63 min |
| Oct 23, 6:58 PM EDT | Flash Flood Warning | RNK | Alleghany, Craig, Floyd, Giles, Montgomery, City of Covington | 6 hr |
| Oct 23, 7:28 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Bath, Botetourt, Craig, Roanoke, Rockbridge and 3 more | 62 min |
| Oct 23, 7:40 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Bedford, Botetourt, Campbell, Franklin, Roanoke and 5 more | 65 min |
Nearby
Tornado Warnings in Virginia, 2017Tornado Warnings in North Carolina, 2017Every tornado warning in 2017Tornadoes in 2017
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.