Alert archive / South Carolina / Tornado Warnings in 2021
Tornado Warning 13, NWS Columbia, SC
NWS Columbia, SC issued this tornado warning at Aug 17, 2021, 2:08 PM EDT for Aiken County, South Carolina. It was in force for 37 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, 2:08 PM EDT (18:08 UTC)
- Expired
- Aug 17, 2021, 2:45 PM EDT
- In force
- 37 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Aiken County, SC
The radar
The Columbia radar (KCAE), 44 km from the middle of the area, began a volume at 18:07 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
Charleston AFB, SC (KCHS), launched 12:00Z, 6.1 hours before the alert went out and 168 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
- 1066 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 639 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted.
122
WFUS52 KCAE 171808
TORCAE
SCC003-171845-
/O.NEW.KCAE.TO.W.0013.210817T1808Z-210817T1845Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Columbia SC
208 PM EDT Tue Aug 17 2021
The National Weather Service in Columbia has issued a
* Tornado Warning for...
Northeastern Aiken County in central South Carolina...
* Until 245 PM EDT.
* At 207 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Aiken State Park, or 9 miles east of Aiken Mall,
moving north 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 tornadic thunderstorm will remain over mainly rural areas of
northeastern Aiken County, including the following locations... New
Holland, Windsor and Monetta.
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 3348 8167 3384 8163 3388 8157 3386 8154
3383 8153 3381 8151 3380 8146 3377 8143
3374 8143 3373 8141 3372 8136 3345 8145
TIME...MOT...LOC 1807Z 190DEG 31KT 3355 8155
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$1 follow-up statement
364
WWUS52 KCAE 171811
SVSCAE
Severe Weather Statement
National Weather Service Columbia SC
211 PM EDT Tue Aug 17 2021
SCC003-171845-
/O.CON.KCAE.TO.W.0013.000000T0000Z-210817T1845Z/
Aiken SC-
211 PM EDT Tue Aug 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR
NORTHEASTERN AIKEN COUNTY...
At 210 PM EDT, a confirmed large and extremely dangerous tornado was
located near Aiken State Park, or 10 miles east of Aiken, moving
north at 35 mph.
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete destruction
is possible.
Locations impacted include...
Aiken State Park, Monetta and New Holland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 3356 8163 3384 8163 3388 8157 3386 8154
3383 8153 3381 8151 3380 8146 3377 8143
3374 8143 3373 8141 3372 8136 3354 8142
TIME...MOT...LOC 1810Z 190DEG 31KT 3358 8154
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...0.00 IN
$$The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 12:31 PM EDT | Areal Flood Advisory | CAE | Aiken, Edgefield, McCormick, Saluda | 59 min |
| Aug 17, 12:59 PM EDT | Tornado Warning | CAE | Edgefield | 46 min |
| Aug 17, 1:34 PM EDT | Areal Flood Advisory | CAE | Aiken, Edgefield, Saluda | 56 min |
| Aug 17, 1:44 PM EDT | Tornado Warning | CAE | Edgefield, McCormick, Saluda | 17 min |
| Aug 17, 1:55 PM EDT | Tornado Warning | CAE | Aiken, Edgefield, Lexington, Saluda | 50 min |
| Aug 17, 2:31 PM EDT | Tornado Warning | CAE | Barnwell | 44 min |
| Aug 17, 3:12 PM EDT | Tornado Warning | CAE | Lexington, Saluda | 48 min |
| Aug 17, 3:17 PM EDT | Areal Flood Advisory | CAE | Aiken, Edgefield, Lexington, Newberry, Saluda | 58 min |
| Aug 17, 3:48 PM EDT | Tornado Warning | CAE | Fairfield, Lexington, Newberry, Richland | 42 min |
| Aug 17, 4:25 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Newberry | 50 min |
| Aug 17, 4:31 PM EDT | Areal Flood Advisory | CAE | Fairfield, Lexington, Newberry, Richland, Saluda | 59 min |
| Aug 17, 4:48 PM EDT | Severe Thunderstorm Warning | CAE | Bamberg, Orangeburg | 42 min |
| Aug 17, 4:56 PM EDT | Tornado Warning | CAE | Orangeburg | 34 min |
| Aug 17, 5:29 PM EDT | Areal Flood Advisory | CAE | Calhoun, Kershaw, Lexington, Richland | 3 hr |
| Aug 17, 5:29 PM EDT | Tornado Warning | CAE | Calhoun, Orangeburg | 46 min |
| Aug 17, 7:43 PM EDT | Special Weather Statement | CAE | Aiken | 32 min |
Nearby
Tornado Warnings in South 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.