Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 93, NWS Columbia, SC

May 26, 2011Aiken County, Edgefield County, South Carolina; Burke County, Richmond County, Georgia

NWS Columbia, SC issued this severe thunderstorm warning at May 26, 2011, 9:26 PM EDT for Aiken County, Edgefield County, South Carolina; Burke County, Richmond County, Georgia. It was in force for 64 min. 3 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: May 26, 2011, 9:26 PM EDT (01:26 UTC)
Expired: May 26, 2011, 10:30 PM EDT
In force: 64 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Burke County, GA, Richmond County, GA, Aiken County, SC, Edgefield County, SC

The radar

The Columbia radar (KCAE), 91 km from the middle of the area, began a volume at 01:28 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
May 26, 10:04 PM EDT	HAIL 1	1 S Aiken, SC	AIKEN SHERIFFS DEPARTMENT RECEIVED REPORTS OF NICKEL TO QUARTER SIZE HAIL ON THE SOUTH SIDE OF AIKEN
May 26, 10:20 PM EDT	HAIL 1	Hephzibah, GA
May 26, 10:40 PM EDT	HAIL 1	1 N Hephzibah, GA	QUARTER SIZED HAIL REPORTED BY PUBLIC IN THE VICINITY OF HEPHZIBAH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 1.4 hours before the alert went out and 186 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 383 J/kg
Mixed-layer CIN: -294 J/kg
Mixed-layer LCL: 1255 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

698 
WUUS52 KCAE 270126
SVRCAE
GAC033-245-SCC003-037-270230-
/O.NEW.KCAE.SV.W.0093.110527T0126Z-110527T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
926 PM EDT THU MAY 26 2011

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RICHMOND COUNTY IN EAST CENTRAL GEORGIA
  NORTHERN BURKE COUNTY IN EAST CENTRAL GEORGIA
  EASTERN EDGEFIELD COUNTY IN CENTRAL SOUTH CAROLINA
  WESTERN AIKEN COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 1030 PM EDT

* AT 923 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 7 MILES WEST OF
  JACKSON...OR 10 MILES SOUTHEAST OF AUGUSTA...AND MOVING NORTHEAST
  AT 30 MPH.

* SOME COMMUNITIES IN THE WARNING AREA INCLUDE HEPHZIBAH...AUGUSTA...
  NORTH AUGUSTA...NEW ELLENTON...JOHNSTON...JACKSON...EDGEFIELD...
  CLEARWATER...BELVEDERE...AIKEN AND GLOVERVILLE

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.

LAT...LON 3326 8220 3352 8207 3354 8203 3357 8205
      3388 8189 3383 8173 3377 8147 3320 8175
      3318 8177 3317 8176 3314 8178
TIME...MOT...LOC 0127Z 212DEG 31KT 3335 8189

$$

HC

1 follow-up statement

023 
WWUS52 KCAE 270210
SVSCAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
1010 PM EDT THU MAY 26 2011

GAC033-245-SCC003-037-270230-
/O.CON.KCAE.SV.W.0093.000000T0000Z-110527T0230Z/
RICHMOND GA-BURKE GA-EDGEFIELD SC-AIKEN SC-
1010 PM EDT THU MAY 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT
FOR AIKEN...EDGEFIELD...BURKE AND RICHMOND COUNTIES...

AT 1006 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR AIKEN...MOVING NORTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TRENTON...EDGEFIELD AND JOHNSTON

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 3326 8220 3352 8207 3354 8203 3357 8205
      3388 8189 3383 8173 3377 8147 3320 8175
      3318 8177 3317 8176 3314 8178
TIME...MOT...LOC 0210Z 212DEG 31KT 3358 8168

$$

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 26, 8:33 PM EDT	Severe Thunderstorm Warning	CAE	Aiken	57 min
May 26, 8:38 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	22 min
May 26, 8:59 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	31 min
May 26, 9:29 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, McCormick, Newberry, Saluda	61 min
May 26, 9:57 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Barnwell	63 min
May 26, 10:15 PM EDT	Special Weather Statement	CAE	Lexington	60 min
May 26, 10:29 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Edgefield	31 min
May 26, 10:57 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Barnwell, Edgefield	63 min
May 26, 11:44 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Bamberg, Barnwell, Calhoun, Lexington, Orangeburg and 1 more	61 min
May 27, 9:59 AM EDT	Special Weather Statement	CAE	Newberry	61 min
May 27, 12:25 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield	35 min
May 27, 12:46 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield	44 min
May 27, 12:57 PM EDT	Areal Flood Advisory	CAE	Chesterfield	2 hr
May 27, 2:00 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg, Barnwell, Orangeburg	60 min
May 27, 2:26 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield, Lancaster	64 min
May 27, 2:44 PM EDT	Areal Flood Advisory	CAE	Lexington, Richland	98 min
May 27, 2:44 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield, Kershaw	61 min
May 27, 3:01 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield, Kershaw, Lancaster	44 min
May 27, 3:22 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Clarendon, Sumter	53 min
May 27, 4:27 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Clarendon, Sumter	48 min
May 27, 4:40 PM EDT	Severe Thunderstorm Warning	CAE	Richland, Sumter	50 min
May 27, 6:43 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw, Richland	47 min
May 26, 8:08 PM EDT	Severe Thunderstorm Warning	CAE	Lincoln, McDuffie	52 min
May 27, 1:32 PM EDT	Areal Flood Advisory	CAE	Richmond	44 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2011 Severe Thunderstorm Warnings in Georgia, 2011 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.