Alert archive / South Carolina / Tornado Warnings in 2021
Tornado Warning 12, NWS Columbia, SC
NWS Columbia, SC issued this tornado warning at Aug 17, 2021, 1:55 PM EDT for 4 counties in South Carolina. It was in force for 50 min. 1 report 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
- Aug 17, 2021, 1:55 PM EDT (17:55 UTC)
- Expired
- Aug 17, 2021, 2:45 PM EDT
- In force
- 50 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Aiken County, SC, Edgefield County, SC, Lexington County, SC, Saluda County, SC
The radar
The Columbia radar (KCAE), 53 km from the middle of the area, began a volume at 18:00 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 |
|---|---|---|---|
| Aug 17, 2:21 PM EDT | FUNNEL CLOUD | 1 Wnw Ridge Spring, SC | SPOTTER REPORTS FUNNEL CLOUD ALONG US 23 ABOUT ONE MILE WEST OF RIDGE SPRINGS. |
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 |
|---|---|---|---|
| Aug 17, 10:42 AM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 5.9 hours before the alert went out and 180 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.
798
WFUS52 KCAE 171755
TORCAE
SCC003-037-063-081-171845-
/O.NEW.KCAE.TO.W.0012.210817T1755Z-210817T1845Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Columbia SC
155 PM EDT Tue Aug 17 2021
The National Weather Service in Columbia has issued a
* Tornado Warning for...
East central Edgefield County in central South Carolina...
Western Lexington County in central South Carolina...
North central Aiken County in central South Carolina...
Southeastern Saluda County in central South Carolina...
* Until 245 PM EDT.
* At 155 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Aiken Municipal Airport, or 7 miles north of
Aiken, 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 dangerous storm will be near...
Ridge Spring around 220 PM EDT.
Batesburg-Leesville around 240 PM EDT.
Other locations impacted by this tornadic thunderstorm include Emory,
Camp Kinard, Saluda Co Sheriff's Office, Ward, Hibernia, Kneece 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 3361 8162 3366 8182 3400 8173 3389 8143
TIME...MOT...LOC 1755Z 202DEG 25KT 3367 8172
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$1 follow-up statement
665
WWUS52 KCAE 171821
SVSCAE
Severe Weather Statement
National Weather Service Columbia SC
221 PM EDT Tue Aug 17 2021
SCC003-037-063-081-171845-
/O.CON.KCAE.TO.W.0012.000000T0000Z-210817T1845Z/
Edgefield SC-Lexington SC-Aiken SC-Saluda SC-
221 PM EDT Tue Aug 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR EAST
CENTRAL EDGEFIELD...WESTERN LEXINGTON...NORTH CENTRAL AIKEN AND
SOUTHEASTERN SALUDA COUNTIES...
At 219 PM EDT, a severe thunderstorm capable of producing a tornado
was located between Ward and Ridge Spring, or 8 miles southwest of
Batesburg-Leesville, moving north at 30 mph. Also within the tornado
warning area, we are monitoring a second circulation is northwest of
the Aiken Municipal Airport.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Batesburg-Leesville around 240 PM EDT.
Other locations impacted by this tornadic thunderstorm include Emory,
Hibernia, Saluda Co Sheriff's Office, Ward and Monetta.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3363 8164 3367 8179 3400 8173 3392 8151
TIME...MOT...LOC 1819Z 202DEG 25KT 3383 8164
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
LCVThe 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, 2:08 PM EDT | Tornado Warning | CAE | Aiken | 37 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.