Alert archive / North Carolina / Tornado Warnings in 2021
Tornado Warning 37, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this tornado warning at Aug 17, 2021, 2:31 PM EDT for Burke County, Caldwell County, North Carolina. It was in force for 44 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, 2:31 PM EDT (18:31 UTC)
- Expired
- Aug 17, 2021, 3:15 PM EDT
- In force
- 44 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Burke County, NC, Caldwell County, NC
The radar
The Greer radar (KGSP), 121 km from the middle of the area, began a volume at 18:33 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, 6.5 hours before the alert went out and 163 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.
273
WFUS52 KGSP 171831
TORGSP
NCC023-027-171915-
/O.NEW.KGSP.TO.W.0037.210817T1831Z-210817T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
231 PM EDT Tue Aug 17 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Tornado Warning for...
Western Caldwell County in western North Carolina...
Central Burke County in western North Carolina...
* Until 315 PM EDT.
* At 230 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles east of Morganton, or near Valdese, moving
northwest 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.
* This dangerous storm will be near...
Morganton around 240 PM EDT.
Cajah's Mountain around 250 PM EDT.
Gamewell around 300 PM EDT.
Table Rock around 310 PM EDT.
Other locations impacted by this dangerous thunderstorm include
Edgemont, Collettsville, Patterson, Pleasant Grove and Oak Hill.
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 3568 8143 3561 8164 3597 8189 3598 8187
3598 8184 3596 8181 3601 8177 3608 8159
TIME...MOT...LOC 1830Z 156DEG 19KT 3572 8158
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
RWH2 follow-up statements
767
WWUS52 KGSP 171846
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
246 PM EDT Tue Aug 17 2021
NCC023-027-171915-
/O.CON.KGSP.TO.W.0037.000000T0000Z-210817T1915Z/
Caldwell NC-Burke NC-
246 PM EDT Tue Aug 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR WESTERN
CALDWELL AND NORTH CENTRAL BURKE COUNTIES...
At 245 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northeast of Morganton, or near Gamewell, moving
north at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
western Caldwell and north central Burke Counties, including the
following locations... Edgemont, Collettsville and Patterson.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3582 8149 3573 8172 3597 8189 3598 8187
3598 8184 3596 8181 3601 8177 3608 8159
TIME...MOT...LOC 1845Z 158DEG 25KT 3583 8163
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
RWH581
WWUS52 KGSP 171903
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
303 PM EDT Tue Aug 17 2021
NCC023-027-171915-
/O.CON.KGSP.TO.W.0037.000000T0000Z-210817T1915Z/
Caldwell NC-Burke NC-
303 PM EDT Tue Aug 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR
NORTHWESTERN CALDWELL AND NORTH CENTRAL BURKE COUNTIES...
At 303 PM EDT, a severe thunderstorm capable of producing a tornado
was located 9 miles west of Lenoir, or 5 miles west of Gamewell,
moving northwest 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...
Edgemont, Collettsville, Globe, Jonas Ridge and Table Rock.
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 3591 8158 3582 8178 3597 8189 3598 8187
3598 8184 3596 8181 3601 8177 3608 8159
TIME...MOT...LOC 1903Z 140DEG 17KT 3590 8170
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 | 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, 4:17 PM EDT | Tornado Warning | GSP | Avery, Burke, Caldwell | 43 min |
| 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.