Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 96, NWS Columbia, SC

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

NWS Columbia, SC issued this severe thunderstorm warning at May 26, 2011, 10:29 PM EDT for Aiken County, Edgefield County, South Carolina; Columbia County, Richmond County, Georgia. It was in force for 31 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: May 26, 2011, 10:29 PM EDT (02:29 UTC)
Expired: May 26, 2011, 11:00 PM EDT
In force: 31 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Columbia 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 02:31 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 nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 2.5 hours before the alert went out and 181 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.

714 
WUUS52 KCAE 270229
SVRCAE
GAC073-245-SCC003-037-270300-
/O.NEW.KCAE.SV.W.0096.110527T0229Z-110527T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1029 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
  EASTERN COLUMBIA COUNTY IN EAST CENTRAL GEORGIA
  EDGEFIELD COUNTY IN CENTRAL SOUTH CAROLINA
  WESTERN AIKEN COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 1100 PM EDT

* AT 1027 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 8 MILES NORTHEAST OF EDGEFIELD
  TO FORT GORDON...OR ALONG A LINE EXTENDING FROM 18 MILES WEST OF
  BATESBURG TO FORT GORDON...AND MOVING NORTHEAST AT 15 MPH.

* SOME COMMUNITIES IN THE WARNING AREA INCLUDE MARTINEZ...FORT
  GORDON...EVANS...AUGUSTA...NORTH AUGUSTA...NEW ELLENTON...
  JACKSON...EDGEFIELD...CLEARWATER...BELVEDERE...AIKEN AND
  GLOVERVILLE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

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 3386 8198 3377 8148 3322 8173 3321 8175
      3322 8177 3322 8178 3325 8185 3325 8187
      3326 8188 3326 8190 3336 8223
TIME...MOT...LOC 0229Z 225DEG 12KT 3389 8186 3338 8214

$$

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, 9:26 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Edgefield	64 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, 10:57 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.