Alert archive / Georgia / Tornado Warnings in 2020
Tornado Warning 6, NWS Columbia, SC
NWS Columbia, SC issued this tornado warning at Apr 13, 2020, 4:23 AM EDT for Edgefield County, McCormick County, South Carolina; Columbia County, Lincoln County, McDuffie County, Georgia. It was in force for 37 min. 4 reports 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
- Apr 13, 2020, 4:23 AM EDT (08:23 UTC)
- Expired
- Apr 13, 2020, 5:00 AM EDT
- In force
- 37 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Columbia County, GA, Lincoln County, GA, McDuffie County, GA, Edgefield County, SC, McCormick County, SC
The radar
The Robins AFB radar (KJGX), 129 km from the middle of the area, began a volume at 08:23 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 |
|---|---|---|---|
| Apr 13, 4:26 AM EDT | TSTM WND DMG | 2 Ssw Thomson, GA | TREE IN ROADWAY ON WIRE ROAD AT MT. PLEASANT RD. TIME ESTMD BY RADAR. |
| Apr 13, 4:30 AM EDT | TSTM WND DMG | 3 W Dearing, GA | CALL CENTER REPORTED A FEW TREES DOWN IN THE AREA OF WIRE ROAD AND AUGUSTA ROAD. |
| Apr 13, 4:35 AM EDT | TSTM WND DMG | 8 Ne Thomson, GA | COUNTY DISPATCH REPORTED NUMEROUS TREES DOWN OVER THE WESTERN HALF OF THE COUNTY. |
| Apr 13, 4:45 AM EDT | TSTM WND DMG | 11 Nw Evans, GA | MEDIA REPORTS TREES AND POWER LINES DOWN NEAR THE INTERSECTION OF US 221 AND WASHINGTON ROAD. PICTURES SHARED VIA SOCIAL MEDIA. |
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 |
|---|---|---|---|
| Apr 13, 3:20 AM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 8.4 hours before the alert went out and 190 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
- 404 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 804 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 733 m²/s²
- 0-3 km storm-relative helicity
- 874 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 10.8
The text
As transmitted.
189
WFUS52 KCAE 130823
TORCAE
GAC073-181-189-SCC037-065-130900-
/O.NEW.KCAE.TO.W.0006.200413T0823Z-200413T0900Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Columbia SC
423 AM EDT Mon Apr 13 2020
The National Weather Service in Columbia has issued a
* Tornado Warning for...
McDuffie County in east central Georgia...
Columbia County in east central Georgia...
Southeastern Lincoln County in east central Georgia...
Southwestern Edgefield County in central South Carolina...
Southeastern McCormick County in central South Carolina...
* Until 500 AM EDT.
* At 422 AM EDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located near
Wrightsboro, or near Thomson, moving northeast at 55 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.
* These dangerous storms will be near...
Mistletoe State Park and Appling around 440 AM EDT.
Riverwood around 445 AM EDT.
Clarks Hill Recreation Area, J. Strom Thurmond Dam and Hamilton
Branch State Park around 450 AM EDT.
Other locations impacted by this tornadic thunderstorm include
Sweetwater Park, Winfield, Modoc, McDuffie County Fire Department,
Thomson Fire Department, Scott's Landing, McDuffie Regional Medical
Center, Knox Scout Reservation, White Oak Campground and Boneville.
This includes Interstate 20 in Georgia between mile markers 167 and
186.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes are nearly impossible to see at night. Do not wait to see
or hear the tornado. Immediately move to an interior room or closet
on the lowest floor of a sturdy building.
This Tornado Warning includes portions of Lake Strom Thurmond.
Boaters, move to shore and take shelter on the lowest floor of the
closest sturdy building!
&&
LAT...LON 3366 8251 3365 8249 3367 8249 3381 8228
3361 8202 3335 8253 3337 8255 3341 8255
3346 8259 3357 8263
TIME...MOT...LOC 0822Z 240DEG 49KT 3350 8258
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
HC1 follow-up statement
996
WWUS52 KCAE 130840
SVSCAE
Severe Weather Statement
National Weather Service Columbia SC
440 AM EDT Mon Apr 13 2020
GAC189-130850-
/O.CAN.KCAE.TO.W.0006.000000T0000Z-200413T0900Z/
McDuffie GA-
440 AM EDT Mon Apr 13 2020
...THE TORNADO WARNING FOR MCDUFFIE COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moves east
moved out of the warned area. Therefore, the warning has been
cancelled.
A Tornado Watch remains in effect until 1100 AM EDT for east central
Georgia...and central South Carolina.
LAT...LON 3364 8245 3368 8248 3381 8228 3361 8202
3346 8233 3353 8238 3361 8243
TIME...MOT...LOC 0840Z 240DEG 49KT 3362 8233
$$
GAC073-181-SCC037-065-130900-
/O.CON.KCAE.TO.W.0006.000000T0000Z-200413T0900Z/
Columbia GA-Lincoln GA-Edgefield SC-McCormick SC-
440 AM EDT Mon Apr 13 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM EDT FOR NORTHERN
COLUMBIA...SOUTHEASTERN LINCOLN...SOUTHWESTERN EDGEFIELD AND
SOUTHEASTERN MCCORMICK COUNTIES...
At 440 AM EDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Mistletoe State Park, or 12 miles northwest of Evans, moving
northeast at 55 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.
These dangerous storms will be near...
Riverwood around 445 AM EDT.
Clarks Hill Recreation Area, J. Strom Thurmond Dam and Hamilton
Branch State Park around 450 AM EDT.
Other locations impacted by this tornadic thunderstorm include
Winfield, Modoc, Scott's Landing, Knox Scout Reservation, Double
Branches, Columbia County Jail, Wildwood Park, Modoc Boat Ramp,
Eubank-Blanchard Community Center and Bussey Point Campground.
This includes Interstate 20 in Georgia between mile markers 181 and
185.
LAT...LON 3364 8245 3368 8248 3381 8228 3361 8202
3346 8233 3353 8238 3361 8243
TIME...MOT...LOC 0840Z 240DEG 49KT 3362 8233
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
LMThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 4:29 AM EDT | Severe Thunderstorm Warning | CAE | Edgefield, McCormick, Newberry, Saluda | 46 min |
| Apr 13, 4:41 AM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Newberry, Saluda | 49 min |
| Apr 13, 4:58 AM EDT | Severe Thunderstorm Warning | CAE | Aiken, Barnwell | 47 min |
| Apr 13, 5:06 AM EDT | Severe Thunderstorm Warning | CAE | Aiken, Edgefield, Lexington, Newberry, Saluda | 39 min |
| Apr 13, 5:14 AM EDT | Tornado Warning | CAE | Aiken, Barnwell | 31 min |
| Apr 13, 5:16 AM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Kershaw, Lancaster | 29 min |
| Apr 13, 5:34 AM EDT | Severe Thunderstorm Warning | CAE | Aiken, Calhoun, Fairfield, Lexington, Newberry, Richland | 41 min |
| Apr 13, 5:37 AM EDT | Tornado Warning | CAE | Aiken, Bamberg, Barnwell, Orangeburg | 23 min |
| Apr 13, 5:43 AM EDT | Tornado Warning | CAE | Bamberg, Barnwell, Orangeburg | 32 min |
| Apr 13, 5:55 AM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Kershaw, Lancaster | 35 min |
| Apr 13, 5:56 AM EDT | Tornado Warning | CAE | Aiken, Bamberg, Barnwell, Calhoun, Lexington, Orangeburg | 34 min |
| Apr 13, 6:02 AM EDT | Severe Thunderstorm Warning | CAE | Aiken, Lexington, Orangeburg | 28 min |
| Apr 13, 6:04 AM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Fairfield, Kershaw, Lexington, Richland, Sumter | 41 min |
| Apr 13, 6:09 AM EDT | Tornado Warning | CAE | Bamberg, Barnwell, Orangeburg | 36 min |
| Apr 13, 6:13 AM EDT | Tornado Warning | CAE | Bamberg, Calhoun, Orangeburg | 32 min |
| Apr 13, 6:22 AM EDT | Tornado Warning | CAE | Calhoun, Clarendon, Orangeburg, Richland, Sumter | 23 min |
| Apr 13, 6:23 AM EDT | Severe Thunderstorm Warning | CAE | Chesterfield, Kershaw, Lancaster | 52 min |
| Apr 13, 6:35 AM EDT | Severe Thunderstorm Warning | CAE | Bamberg, Calhoun, Clarendon, Orangeburg, Sumter | 40 min |
| Apr 13, 6:39 AM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Clarendon, Kershaw, Lee, Richland, Sumter | 31 min |
| Apr 13, 6:46 AM EDT | Severe Thunderstorm Warning | CAE | Chesterfield | 29 min |
| Apr 13, 6:58 AM EDT | Severe Thunderstorm Warning | CAE | Clarendon, Lee, Sumter | 32 min |
| Apr 13, 4:09 AM EDT | Severe Thunderstorm Warning | CAE | Columbia, Lincoln, McDuffie | 51 min |
| Apr 13, 4:20 AM EDT | Severe Thunderstorm Warning | CAE | Burke, Richmond | 40 min |
| Apr 13, 4:41 AM EDT | Tornado Warning | CAE | Burke, Richmond | 34 min |
Nearby
Tornado Warnings in Georgia, 2020Tornado Warnings in South Carolina, 2020Every tornado warning in 2020Tornadoes in 2020
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.