Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 249, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Aug 14, 2011, 3:47 PM EDT for Burke County, Georgia; Aiken County, Barnwell County, South Carolina. It was in force for 43 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 14, 2011, 3:47 PM EDT (19:47 UTC)
- Expired
- Aug 14, 2011, 4:30 PM EDT
- In force
- 43 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
Counties Burke County, GA, Aiken County, SC, Barnwell County, SC
The radar
The Charleston,SC radar (KCLX), 71 km from the middle of the area, began a volume at 19:48 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 14, 2:40 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 7.8 hours before the alert went out and 148 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
- 6472 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
693
WUUS52 KCAE 141947
SVRCAE
GAC033-SCC003-011-142030-
/O.NEW.KCAE.SV.W.0249.110814T1947Z-110814T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
347 PM EDT SUN AUG 14 2011
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN BURKE COUNTY IN EAST CENTRAL GEORGIA
SOUTHERN AIKEN COUNTY IN CENTRAL SOUTH CAROLINA
SOUTHERN BARNWELL COUNTY IN CENTRAL SOUTH CAROLINA
* UNTIL 430 PM EDT
* AT 343 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 7 MILES SOUTHWEST OF SAVANNAH
RIVER SITE...AND MOVING EAST AT 25 MPH.
* SOME COMMUNITIES IN THE WARNING AREA INCLUDE SAVANNAH RIVER SITE
AND BARNWELL
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE...TOLL FREE 1 877 6 3
3...6 7 7 2.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA.
&&
LAT...LON 3312 8185 3332 8179 3333 8125 3310 8131
3310 8137 3314 8149 3315 8155 3310 8160
3309 8160 3306 8157 3305 8154 3304 8155
3303 8156
TIME...MOT...LOC 1947Z 278DEG 20KT 3320 8175
$$
HC1 follow-up statement
901
WWUS52 KCAE 142014
SVSCAE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
414 PM EDT SUN AUG 14 2011
GAC033-SCC003-142024-
/O.CAN.KCAE.SV.W.0249.000000T0000Z-110814T2030Z/
BURKE GA-AIKEN SC-
414 PM EDT SUN AUG 14 2011
...THE SEVERE THUNDERSTORM WARNING FOR AIKEN AND BURKE COUNTIES IS
CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA.
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1...8 7
7...6 3 3...6 7 7 2.
LAT...LON 3312 8170 3331 8159 3333 8125 3310 8131
3310 8137 3315 8153 3315 8155 3310 8161
3309 8165
TIME...MOT...LOC 2014Z 278DEG 20KT 3318 8157
$$
SCC011-142030-
/O.CON.KCAE.SV.W.0249.000000T0000Z-110814T2030Z/
BARNWELL SC-
414 PM EDT SUN AUG 14 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR BARNWELL COUNTY...
AT 412 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED 9 MILES SOUTHWEST OF
SNELLING...OR 7 MILES SOUTHEAST OF SAVANNAH RIVER SITE...MOVING EAST
AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KLINE
AND BARNWELL
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA.
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1...8 7
7...6 3 3...6 7 7 2.
&&
LAT...LON 3312 8170 3331 8159 3333 8125 3310 8131
3310 8137 3315 8153 3315 8155 3310 8161
3309 8165
TIME...MOT...LOC 2014Z 278DEG 20KT 3318 8157
$$
SMITHThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 8:01 PM EDT | Special Weather Statement | CAE | Fairfield, Lancaster | 59 min |
| Aug 13, 9:03 PM EDT | Special Weather Statement | CAE | Kershaw, Richland | 57 min |
| Aug 13, 10:02 PM EDT | Special Weather Statement | CAE | Chesterfield, Kershaw, Lee, Richland | 58 min |
| Aug 14, 2:45 PM EDT | Special Weather Statement | CAE | Lexington | 60 min |
| Aug 14, 3:13 PM EDT | Special Weather Statement | CAE | Barnwell | 62 min |
| Aug 14, 3:28 PM EDT | Special Weather Statement | CAE | Aiken | 62 min |
| Aug 14, 3:52 PM EDT | Special Weather Statement | CAE | Bamberg, Orangeburg | 38 min |
| Aug 14, 3:53 PM EDT | Severe Thunderstorm Warning | CAE | Bamberg, Orangeburg | 52 min |
| Aug 14, 4:02 PM EDT | Special Weather Statement | CAE | Calhoun, Sumter | 58 min |
| Aug 14, 4:05 PM EDT | Special Weather Statement | CAE | McCormick | 40 min |
| Aug 14, 4:10 PM EDT | Severe Thunderstorm Warning | CAE | Aiken, Edgefield, McCormick, Saluda | 50 min |
| Aug 14, 4:32 PM EDT | Severe Thunderstorm Warning | CAE | Bamberg, Calhoun, Clarendon, Lee, Orangeburg, Richland and 1 more | 58 min |
| Aug 14, 4:52 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Newberry | 53 min |
| Aug 14, 5:05 PM EDT | Special Weather Statement | CAE | Aiken, Edgefield | 40 min |
| Aug 14, 5:48 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Kershaw, Richland | 42 min |
| Aug 14, 6:25 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Kershaw, Lee, Richland, Sumter | 65 min |
| Aug 14, 6:30 PM EDT | Special Weather Statement | CAE | Bamberg, Barnwell | 45 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2011Severe Thunderstorm Warnings in Georgia, 2011Every severe thunderstorm warning in 2011
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.