Alert archive / North Carolina / Tornado Warnings in 2021
Tornado Warning 43, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this tornado warning at Aug 17, 2021, 3:48 PM EDT for 4 counties in North Carolina. It was in force for 42 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, 3:48 PM EDT (19:48 UTC)
- Expired
- Aug 17, 2021, 4:30 PM EDT
- In force
- 42 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Alexander County, NC, Burke County, NC, Caldwell County, NC, Catawba County, NC
The radar
The Greer radar (KGSP), 144 km from the middle of the area, began a volume at 19:48 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, 7.8 hours before the alert went out and 139 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.
942
WFUS52 KGSP 171948
TORGSP
NCC003-023-027-035-172030-
/O.NEW.KGSP.TO.W.0043.210817T1948Z-210817T2030Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
348 PM EDT Tue Aug 17 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Tornado Warning for...
Northwestern Catawba County in the Piedmont of North Carolina...
Southwestern Alexander County in the Piedmont of North Carolina...
Caldwell County in western North Carolina...
Eastern Burke County in western North Carolina...
* Until 430 PM EDT.
* At 348 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Hickory, 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...
Granite Falls, Rhodhiss and Lake Hickory around 350 PM EDT.
Bethlehem, Hudson, Sawmills and Lake Rhodhiss around 400 PM EDT.
Lenoir and Cajah's Mountain around 410 PM EDT.
Cedar Rock around 420 PM EDT.
Other locations impacted by this dangerous thunderstorm include
Patterson, Northlakes, Kings Creek and Little River In Alexander
County.
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 3610 8152 3609 8145 3607 8144 3607 8141
3604 8139 3604 8137 3600 8133 3600 8131
3572 8120 3565 8140 3609 8169 3612 8161
3612 8155
TIME...MOT...LOC 1948Z 156DEG 26KT 3576 8134
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
RWH2 follow-up statements
168
WWUS52 KGSP 172002
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
402 PM EDT Tue Aug 17 2021
NCC023-035-172011-
/O.CAN.KGSP.TO.W.0043.000000T0000Z-210817T2030Z/
Catawba NC-Burke NC-
402 PM EDT Tue Aug 17 2021
...THE TORNADO WARNING FOR NORTHWESTERN CATAWBA AND EASTERN BURKE
COUNTIES IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM EDT for western and
the Piedmont of North Carolina.
LAT...LON 3610 8152 3609 8145 3607 8144 3607 8141
3604 8139 3604 8137 3600 8133 3600 8131
3584 8125 3579 8149 3609 8169 3612 8161
3612 8155
TIME...MOT...LOC 2001Z 156DEG 26KT 3585 8139
$$
NCC003-027-172030-
/O.CON.KGSP.TO.W.0043.000000T0000Z-210817T2030Z/
Alexander NC-Caldwell NC-
402 PM EDT Tue Aug 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR
SOUTHWESTERN ALEXANDER AND EASTERN CALDWELL COUNTIES...
At 401 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles northwest of Hickory, or 4 miles northeast of
Granite Falls, 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...
Lenoir around 410 PM EDT.
Cedar Rock around 420 PM EDT.
Other locations impacted by this tornadic thunderstorm include Kings
Creek, Patterson and Little River In Alexander County.
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 3610 8152 3609 8145 3607 8144 3607 8141
3604 8139 3604 8137 3600 8133 3600 8131
3584 8125 3579 8149 3609 8169 3612 8161
3612 8155
TIME...MOT...LOC 2001Z 156DEG 26KT 3585 8139
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
RWH237
WWUS52 KGSP 172013
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
413 PM EDT Tue Aug 17 2021
NCC003-172022-
/O.CAN.KGSP.TO.W.0043.000000T0000Z-210817T2030Z/
Alexander NC-
413 PM EDT Tue Aug 17 2021
...THE TORNADO WARNING FOR SOUTHWESTERN ALEXANDER COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM EDT for western and
the Piedmont of North Carolina.
LAT...LON 3610 8152 3609 8147 3609 8145 3607 8144
3607 8141 3604 8139 3604 8137 3600 8133
3592 8134 3590 8134 3584 8151 3609 8169
3612 8161 3612 8155
TIME...MOT...LOC 2012Z 156DEG 26KT 3593 8143
$$
NCC027-172030-
/O.CON.KGSP.TO.W.0043.000000T0000Z-210817T2030Z/
Caldwell NC-
413 PM EDT Tue Aug 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR
NORTHEASTERN CALDWELL COUNTY...
At 412 PM EDT, a severe thunderstorm capable of producing a tornado
was located 5 miles east of Lenoir, or near Cedar Rock, 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 tornadic thunderstorm will remain over mainly rural areas of
northeastern Caldwell County, including the following locations...
Kings Creek 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 3610 8152 3609 8147 3609 8145 3607 8144
3607 8141 3604 8139 3604 8137 3600 8133
3592 8134 3590 8134 3584 8151 3609 8169
3612 8161 3612 8155
TIME...MOT...LOC 2012Z 156DEG 26KT 3593 8143
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, 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.