Alert archive / South Carolina / Tornado Warnings in 2020
Tornado Warning 8, NWS Columbia, SC
NWS Columbia, SC issued this tornado warning at Apr 13, 2020, 5:14 AM EDT for Aiken County, Barnwell County, South Carolina; Burke County, Georgia. It was in force for 31 min. 7 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, 5:14 AM EDT (09:14 UTC)
- Expired
- Apr 13, 2020, 5:45 AM EDT
- In force
- 31 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Burke County, GA, Aiken County, SC, Barnwell County, SC
The radar
The Charleston,SC radar (KCLX), 85 km from the middle of the area, began a volume at 09:16 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, 5:20 AM EDT | TSTM WND DMG | 7 S Jackson, SC | HIGHWAY PATROL REPORTED POWER LINES IN ROAD ON BURROUGHS ST. TIME ESTIMATED BY RADAR. |
| Apr 13, 5:21 AM EDT | TORNADO | 6 Se Jackson, SC | A STRONG, LONG-TRACK TORNADO BEGAN IN THE SAVANNAH RIVER SITE SOUTHEAST OF JACKSON, SC, THEN MOVED IN A GENERAL NORTHEAST DIRECTION IN AIKEN COUNTY NEAR THE BARNWELL COUNTY BORDER. THE TORNADO CROSSED INTO BARNWELL COUNTY NORTHWEST OF WILLISTON NEAR DAVIS BRID |
| Apr 13, 5:33 AM EDT | TORNADO | 6 Wnw Snelling, SC | UPDATED TO CHANGE THE BEGINNING LOCATION AND START TIME OF THE TORNADO. SENTINEL SATELLITE DATA FROM APRIL 13, 2020 CLEARLY SHOWS A DAMAGE SCAR BEGINNING AT THE WESTERN EDGE OF PARR POND IN THE SAVANNAH RIVER SITE AND ENDING NEAR THE INTERSECTION OF HIGHWAY 27 |
| Apr 13, 5:35 AM EDT | TORNADO | 5 Nw Snelling, SC | SENTINEL SATELLITE DATA FROM APRIL 13, 2020 CLEARLY SHOWS A DAMAGE SCAR BEGINNING AT THE NORTHERN TIP OF PARR POND IN THE SAVANNAH RIVER SITE AND ENDING NEAR THE INTERSECTION OF HIGHWAY 278 AND STATE ROAD 21. A TORNADIC DEBRIS SIGNATURE DETECTED BY THE KCAE RA |
| Apr 13, 5:37 AM EDT | TORNADO | 6 S Windsor, SC | A TRAINED SPOTTER REPORTED CONSIDERABLE DAMAGE FROM A TORNADO IN THE VICINITY OF HIGHWAY 278 AND JAYWOOD RD. |
| Apr 13, 5:40 AM EDT | TSTM WND DMG | Elko, SC | MULTIPLE POWER TRANSMISSION LINES DOWN NEAR THE TOWN OF ELKO, SC. PHOTOS SHARED VIA SOCIAL MEDIA. POSSIBLE TORNADO DAMAGE. TIME ESTIMATED FROM RADAR. |
| Apr 13, 5:43 AM EDT | TORNADO | 4 S Elko, SC | *** 2 FATAL, 7 INJ *** A STRONG, LONG-TRACK TORNADO BEGAN JUST SOUTH OF THE TOWN OF ELKO IN BARNWELL COUNTY , THEN MOVED IN A GENERAL NORTHEAST DIRECTION THROUGH ORANGEBURG COUNTY, BEFORE DISSIPATING SOUTHWEST OF ST. MATTHEWS IN CALHOUN COUNTY BEFORE REACHING |
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
Charleston AFB, SC (KCHS), launched 00:00Z, 9.2 hours before the alert went out and 162 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 944 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 371 m²/s²
- 0-3 km storm-relative helicity
- 494 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
427
WFUS52 KCAE 130914
TORCAE
GAC033-SCC003-011-130945-
/O.NEW.KCAE.TO.W.0008.200413T0914Z-200413T0945Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Columbia SC
514 AM EDT Mon Apr 13 2020
The National Weather Service in Columbia has issued a
* Tornado Warning for...
Central Burke County in east central Georgia...
Central Barnwell County in central South Carolina...
South central Aiken County in central South Carolina...
* Until 545 AM EDT.
* At 514 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Plant Vogtle, moving northeast at 60 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...
Savannah River Site around 530 AM EDT.
Williston around 545 AM EDT.
Other locations impacted by this tornadic thunderstorm include Shell
Bluff, Shell Bluff Landing, Snelling, Elko, Savannah River Site Badge
Office, Savannah River Site H Canyon, Savannah River Site K Complex,
Windsor and Girard.
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.
&&
LAT...LON 3297 8183 3311 8198 3351 8158 3335 8130
TIME...MOT...LOC 0914Z 225DEG 53KT 3311 8184
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
HC2 follow-up statements
992
WWUS52 KCAE 130926
SVSCAE
Severe Weather Statement
National Weather Service Columbia SC
526 AM EDT Mon Apr 13 2020
GAC033-SCC003-011-130945-
/O.CON.KCAE.TO.W.0008.000000T0000Z-200413T0945Z/
Burke GA-Barnwell SC-Aiken SC-
526 AM EDT Mon Apr 13 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM EDT FOR EAST
CENTRAL BURKE...CENTRAL BARNWELL AND SOUTH CENTRAL AIKEN COUNTIES...
At 526 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Savannah River Site, moving northeast at 60 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Williston around 540 AM EDT.
Other locations impacted by this tornadic thunderstorm include
Snelling, Elko, Savannah River Site Badge Office, Savannah River Site
H Canyon, Savannah River Site K Complex, Windsor and Girard.
LAT...LON 3305 8172 3332 8177 3351 8158 3335 8130
TIME...MOT...LOC 0926Z 235DEG 52KT 3332 8166
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
HC154
WWUS52 KCAE 130932 CCA
SVSCAE
Severe Weather Statement
National Weather Service Columbia SC
532 AM EDT Mon Apr 13 2020
GAC033-SCC003-011-131000-
/O.COR.KCAE.TO.W.0008.000000T0000Z-200413T0945Z/
Burke GA-Barnwell SC-Aiken SC-
532 AM EDT Mon Apr 13 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM EDT FOR EAST
CENTRAL BURKE...CENTRAL BARNWELL AND SOUTH CENTRAL AIKEN COUNTIES...
At 531 AM EDT, a confirmed tornado was located near New Ellenton, or
8 miles northeast of Savannah River Site, moving northeast at 60 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
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 tornado will be near...
Williston around 540 AM EDT.
Other locations impacted by this tornadic thunderstorm include
Snelling, Elko, Savannah River Site Badge Office, Savannah River Site
H Canyon, Savannah River Site K Complex, Windsor and Girard.
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.
&&
LAT...LON 3305 8172 3332 8177 3351 8158 3335 8130
TIME...MOT...LOC 0926Z 235DEG 52KT 3332 8166
TORNADO...OBSERVED
HAIL...<.75IN
$$
HCThe 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, 4:29 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, 5:16 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 South Carolina, 2020Tornado Warnings in Georgia, 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.