Alert archive / North Carolina / Tornado Warnings in 2021
Tornado Warning 45, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this tornado warning at Aug 17, 2021, 4:17 PM EDT for Avery County, Burke County, Caldwell County, North Carolina. It was in force for 43 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 17, 2021, 4:17 PM EDT (20:17 UTC)
- Expired
- Aug 17, 2021, 5:00 PM EDT
- In force
- 43 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Avery County, NC, Burke County, NC, Caldwell County, NC
The radar
The Knoxville radar (KMRX), 140 km from the middle of the area, began a volume at 20:17 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 17, 10:42 AM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.3 hours before the alert went out and 174 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
- 522 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
The text
As transmitted.
112
WFUS52 KGSP 172017
TORGSP
NCC011-023-027-172100-
/O.NEW.KGSP.TO.W.0045.210817T2017Z-210817T2100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
417 PM EDT Tue Aug 17 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Tornado Warning for...
Northwestern Caldwell County in western North Carolina...
Central Avery County in western North Carolina...
North central Burke County in western North Carolina...
* Until 500 PM EDT.
* At 417 PM EDT, a severe thunderstorm capable of producing a tornado
was located 9 miles west of Lenoir, or 6 miles northwest of
Gamewell, moving northwest at 30 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.
* This dangerous storm will be near...
B.R. Parkway-Linville Falls To Grandfather and Blowing Rock In
Caldwell County around 440 PM EDT.
Newland, Seven Devils, Grandfather Mountain State Park and Sugar
Mountain around 450 PM EDT.
Beech Mountain In Avery County, Banner Elk and Elk Park around 500
PM EDT.
Other locations impacted by this dangerous thunderstorm include
Edgemont, Pineola, Collettsville, Upton and Linville.
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.
Please report damaging winds, hail, or flooding to the National
Weather Service by calling toll free, 1, 800, 2 6 7, 8 1 0 1, or by
posting on our Facebook page, or Tweet it using hashtag nwsgsp. Your
message should describe the event and the specific location where it
occurred.
&&
LAT...LON 3627 8189 3625 8190 3624 8190 3623 8191
3621 8191 3619 8188 3619 8186 3616 8183
3611 8181 3612 8169 3612 8165 3588 8155
3581 8175 3617 8200 3629 8192 3628 8191
TIME...MOT...LOC 2017Z 155DEG 27KT 3592 8169
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
RWH2 follow-up statements
223
WWUS52 KGSP 172028
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
428 PM EDT Tue Aug 17 2021
NCC023-172037-
/O.CAN.KGSP.TO.W.0045.000000T0000Z-210817T2100Z/
Burke NC-
428 PM EDT Tue Aug 17 2021
...THE TORNADO WARNING FOR NORTH CENTRAL BURKE COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM EDT for western North
Carolina.
LAT...LON 3627 8189 3623 8191 3621 8191 3619 8188
3619 8186 3616 8183 3611 8181 3612 8165
3597 8159 3593 8178 3595 8178 3595 8180
3597 8182 3598 8187 3617 8200 3629 8192
TIME...MOT...LOC 2027Z 155DEG 27KT 3599 8173
$$
NCC011-027-172100-
/O.CON.KGSP.TO.W.0045.000000T0000Z-210817T2100Z/
Caldwell NC-Avery NC-
428 PM EDT Tue Aug 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
NORTHWESTERN CALDWELL AND CENTRAL AVERY COUNTIES...
At 427 PM EDT, a severe thunderstorm capable of producing a tornado
was located 10 miles south of Blowing Rock, or 8 miles southeast of
B.R. Parkway-Linville Falls To Grandfather, moving northwest at 30
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.
This dangerous storm will be near...
B.R. Parkway-Linville Falls To Grandfather and Blowing Rock In
Caldwell County around 440 PM EDT.
Newland, Seven Devils, Grandfather Mountain State Park, Sugar
Mountain and Banner Elk around 450 PM EDT.
Beech Mountain In Avery County and Elk Park around 500 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Edgemont, Pineola, Upton, Linville and Globe.
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.
&&
LAT...LON 3627 8189 3623 8191 3621 8191 3619 8188
3619 8186 3616 8183 3611 8181 3612 8165
3597 8159 3593 8178 3595 8178 3595 8180
3597 8182 3598 8187 3617 8200 3629 8192
TIME...MOT...LOC 2027Z 155DEG 27KT 3599 8173
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
RWH765
WWUS52 KGSP 172048
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
448 PM EDT Tue Aug 17 2021
NCC027-172058-
/O.CAN.KGSP.TO.W.0045.000000T0000Z-210817T2100Z/
Caldwell NC-
448 PM EDT Tue Aug 17 2021
...THE TORNADO WARNING FOR NORTHWESTERN CALDWELL COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM EDT for western North
Carolina.
LAT...LON 3627 8189 3625 8190 3621 8191 3619 8188
3619 8186 3616 8183 3611 8181 3610 8178
3607 8175 3607 8174 3596 8181 3598 8187
3617 8200 3629 8192
TIME...MOT...LOC 2048Z 148DEG 30KT 3612 8186
$$
NCC011-172100-
/O.CON.KGSP.TO.W.0045.000000T0000Z-210817T2100Z/
Avery NC-
448 PM EDT Tue Aug 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR CENTRAL
AVERY COUNTY...
At 448 PM EDT, a severe thunderstorm capable of producing a tornado
was located 4 miles northeast of Newland, or over Sugar Mountain,
moving northwest at 35 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.
This dangerous storm will be near...
Banner Elk around 450 PM EDT.
Beech Mountain In Avery County and Elk Park around 500 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Linville and Pineola.
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.
&&
LAT...LON 3627 8189 3625 8190 3621 8191 3619 8188
3619 8186 3616 8183 3611 8181 3610 8178
3607 8175 3607 8174 3596 8181 3598 8187
3617 8200 3629 8192
TIME...MOT...LOC 2048Z 148DEG 30KT 3612 8186
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
RWHThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 2:22 AM EDT | River Flood Warning | GSP | Henderson, Transylvania | 4 days |
| Aug 17, 3:01 AM EDT | River Flood Advisory | GSP | Buncombe, Henderson | 79 min |
| Aug 17, 3:27 AM EDT | River Flood Advisory | GSP | Buncombe | 26 hr |
| Aug 17, 3:59 AM EDT | River Flood Warning | GSP | Madison | 40 hr |
| Aug 17, 4:12 AM EDT | River Flood Warning | GSP | Buncombe | 31 hr |
| Aug 17, 4:20 AM EDT | River Flood Warning | GSP | Buncombe, Henderson | 4 days |
| Aug 17, 11:36 AM EDT | Tornado Warning | GSP | Alexander, Iredell | 39 min |
| Aug 17, 12:05 PM EDT | Special Weather Statement | GSP | Iredell | 25 min |
| Aug 17, 12:06 PM EDT | Tornado Warning | GSP | Iredell | 39 min |
| Aug 17, 12:33 PM EDT | Tornado Warning | GSP | Alexander | 12 min |
| Aug 17, 12:42 PM EDT | Tornado Warning | GSP | Iredell | 18 min |
| Aug 17, 1:09 PM EDT | Flash Flood Warning | GSP | Jackson, Macon, Transylvania | 5 hr |
| Aug 17, 1:25 PM EDT | Flash Flood Warning | GSP | Transylvania | 4 hr |
| Aug 17, 1:56 PM EDT | Special Weather Statement | GSP | Transylvania | 34 min |
| Aug 17, 2:01 PM EDT | Special Weather Statement | GSP | Catawba, Lincoln | 29 min |
| Aug 17, 2:02 PM EDT | Special Weather Statement | GSP | Iredell | 28 min |
| Aug 17, 2:02 PM EDT | Special Weather Statement | GSP | Alexander | 28 min |
| Aug 17, 2:31 PM EDT | Tornado Warning | GSP | Burke, Caldwell | 44 min |
| Aug 17, 2:31 PM EDT | Tornado Warning | GSP | Macon | 19 min |
| Aug 17, 3:02 PM EDT | Tornado Warning | GSP | Caldwell | 43 min |
| Aug 17, 3:06 PM EDT | Tornado Warning | GSP | Alexander, Caldwell | 39 min |
| Aug 17, 3:12 PM EDT | Flash Flood Warning | GSP | Haywood | 3 hr |
| Aug 17, 3:41 PM EDT | Flash Flood Warning | GSP | Buncombe | 5 hr |
| Aug 17, 3:48 PM EDT | Tornado Warning | GSP | Alexander, Burke, Caldwell, Catawba | 42 min |
| Aug 17, 4:07 PM EDT | Tornado Warning | GSP | Avery, Burke, McDowell, Mitchell | 53 min |
| Aug 17, 4:08 PM EDT | Flash Flood Warning | GSP | Madison | 9 hr |
| Aug 17, 4:16 PM EDT | Flash Flood Warning | GSP | Buncombe, Henderson | 5 hr |
| Aug 17, 4:20 PM EDT | Tornado Warning | GSP | Henderson, Polk, Rutherford | 12 min |
| Aug 17, 4:24 PM EDT | Flash Flood Warning | GSP | Haywood | 4 hr |
| Aug 17, 4:35 PM EDT | Flash Flood Warning | GSP | Buncombe, Henderson, Polk, Rutherford | 8 hr |
| Aug 17, 4:50 PM EDT | Flash Flood Warning | GSP | McDowell | 9 hr |
| Aug 17, 4:58 PM EDT | Flash Flood Warning | GSP | Yancey | 4 hr |
| Aug 17, 4:59 PM EDT | Tornado Warning | GSP | Avery, Burke, McDowell, Mitchell, Yancey | 46 min |
| Aug 17, 5:14 PM EDT | Flash Flood Warning | GSP | Transylvania | 4 hr |
| Aug 17, 5:17 PM EDT | River Flood Warning | GSP | Haywood | 12 hr |
| Aug 17, 5:26 PM EDT | Tornado Warning | GSP | Avery, McDowell, Mitchell, Rutherford, Yancey | 49 min |
| Aug 17, 5:28 PM EDT | Tornado Warning | GSP | Avery, Burke, Caldwell | 47 min |
| Aug 17, 5:32 PM EDT | Flash Flood Warning | GSP | Mitchell | 4 hr |
| Aug 17, 5:48 PM EDT | River Flood Warning | GSP | Buncombe | 26 hr |
| Aug 17, 6:00 PM EDT | Flash Flood Warning | GSP | Avery, Burke, Caldwell | 9 hr |
| Aug 17, 6:16 PM EDT | Flash Flood Warning | GSP | Henderson, Polk, Rutherford | 3 hr |
| Aug 17, 6:42 PM EDT | Tornado Warning | GSP | Polk, Rutherford | 48 min |
| Aug 17, 6:57 PM EDT | Flash Flood Warning | GSP | Burke, McDowell | 6 hr |
| Aug 17, 7:59 PM EDT | Tornado Warning | GSP | Cleveland | 46 min |
Nearby
Tornado Warnings in North Carolina, 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.