Alert archive / South Carolina / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 49, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Apr 13, 2020, 4:29 AM EDT for 4 counties in South Carolina; Columbia County, Lincoln County, Georgia. It was in force for 46 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, 4:29 AM EDT (08:29 UTC)
- Expired
- Apr 13, 2020, 5:15 AM EDT
- In force
- 46 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Columbia County, GA, Lincoln County, GA, Edgefield County, SC, McCormick County, SC, Newberry County, SC, Saluda County, SC
The radar
The Greer radar (KGSP), 103 km from the middle of the area, began a volume at 08:28 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, 4:45 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. |
| Apr 13, 4:45 AM EDT | TSTM WND DMG | 1 Ese Lincolnton, GA | COUNTY SHERIFF REPORTED TREES DOWN ON GOLDMAN JOHNSON ROAD, NEW PETERSBURG ROAD AND THE 2100 BLOCK OF AUGUSTA ROAD. TIME ESTIMATED FROM RADAR. |
| Apr 13, 4:54 AM EDT | TSTM WND DMG | 4 W Edgefield, SC | SCHP REPORTED TREES DOWN BLOCKING ROADWAY ON SCOTTS FERRY ROAD. TIME ESTIMATED BY RADAR. |
| Apr 13, 5:00 AM EDT | TSTM WND DMG | Saluda, SC | COOP OBSERVER REPORTED NUMEROUS TREES AND POWER LINES DOWN ACROSS THE COUNTY. ESTIMATED BY RADAR. |
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, 8.5 hours before the alert went out and 218 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.
330
WUUS52 KCAE 130829
SVRCAE
GAC073-181-SCC037-065-071-081-130915-
/O.NEW.KCAE.SV.W.0049.200413T0829Z-200413T0915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Columbia SC
429 AM EDT Mon Apr 13 2020
The National Weather Service in Columbia has issued a
* Severe Thunderstorm Warning for...
Northeastern Columbia County in east central Georgia...
Lincoln County in east central Georgia...
Southwestern Newberry County in central South Carolina...
Edgefield County in central South Carolina...
Saluda County in central South Carolina...
McCormick County in central South Carolina...
* Until 515 AM EDT.
* At 429 AM EDT, severe thunderstorms were located along a line
extending from 6 miles west of Troy to near Thomson, moving
northeast at 75 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
North Augusta, Evans, Batesburg-Leesville, Martinez, Edgefield,
Saluda, McCormick, Johnston, Lincolnton, Ridge Spring, Clarks Hill
Recreation Area, Edgefield County Airport, Elijah Clark State Park,
Riverwood, Hamilton Branch State Park, Saluda County Airport, J.
Strom Thurmond Dam, Mccormick County Airport, Village Plaza
Shopping Center and Monetta.
This includes Interstate 20 in Georgia near mile marker 194.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 AM EDT for east central
Georgia...and central South Carolina.
For your protection seek shelter inside a sturdy building and stay
away from windows.
&&
LAT...LON 3397 8264 3396 8257 3402 8259 3408 8248
3406 8233 3397 8230 3402 8224 3397 8218
3396 8201 3413 8187 3420 8194 3430 8189
3403 8150 3388 8157 3355 8199 3348 8213
3384 8259 3386 8257 3386 8261 3396 8264
TIME...MOT...LOC 0829Z 227DEG 64KT 3400 8241 3347 8241
TORNADO...POSSIBLE
HAIL...0.75IN
WIND...70MPH
$$1 follow-up statement
345
WWUS52 KCAE 130910
SVSCAE
Severe Weather Statement
National Weather Service Columbia SC
510 AM EDT Mon Apr 13 2020
GAC073-181-SCC037-065-071-081-130919-
/O.EXP.KCAE.SV.W.0049.000000T0000Z-200413T0915Z/
Columbia GA-Lincoln GA-Newberry SC-Edgefield SC-Saluda SC-
McCormick SC-
510 AM EDT Mon Apr 13 2020
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN COLUMBIA...
LINCOLN...SOUTHWESTERN NEWBERRY...EDGEFIELD...SALUDA AND MCCORMICK
COUNTIES WILL EXPIRE AT 515 AM EDT...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 1100 AM EDT for east central
Georgia...and central South Carolina.
LAT...LON 3397 8264 3396 8257 3402 8259 3408 8248
3406 8233 3397 8230 3402 8224 3397 8218
3396 8201 3413 8187 3420 8194 3430 8189
3403 8150 3388 8157 3355 8199 3348 8213
3384 8259 3386 8257 3386 8261 3396 8264
TIME...MOT...LOC 0909Z 227DEG 64KT 3400 8241 3347 8241
$$
RJOThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 4:23 AM EDT | Tornado Warning | CAE | Edgefield, McCormick | 37 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
Severe Thunderstorm Warnings in South Carolina, 2020Severe Thunderstorm Warnings in Georgia, 2020Every severe thunderstorm warning 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.