Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 97, NWS Columbia, SC

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

NWS Columbia, SC issued this severe thunderstorm warning at May 26, 2011, 10:57 PM EDT for Burke County, Richmond County, Georgia; Aiken County, Barnwell County, Edgefield County, South Carolina. It was in force for 63 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, 10:57 PM EDT (02:57 UTC)
Expired
May 27, 2011, 12:00 AM EDT
In force
63 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon

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

The radar

The Charleston,SC radar (KCLX), 98 km from the middle of the area, began a volume at 02:58 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

TimeReportWhereRemark
May 26, 11:24 PM EDTTSTM WND DMG11 Sse New Ellenton, SCSAVANNAH RIVER SITE EOC REPORTED LARGE TREE DOWN ACROSS INTERSECTION OF ECHO AND FOXTROT ROADS
May 26, 11:28 PM EDTTSTM WND DMG3 Se Aiken, SCHIGHWAY DEPT REPORTS LARGE TREE DOWN NEAR TOOLEBECK ROAD AND DELOACH WAY
May 26, 11:49 PM EDTTSTM WND DMG7 Nw Wagener, SCHIGHWAY DEPT REPORTS LARGE TREE DOWN ACROSS NEW HOLLAND ROAD. TIME ESTIMATED BY RADAR.

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, 3.0 hours before the alert went out and 178 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-pSkew-T log-p diagram, Charleston AFB, SC at 00:00Z on 2011-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 383 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 00:00Z on 2011-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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.

763 
WUUS52 KCAE 270257
SVRCAE
GAC033-245-SCC003-011-037-270400-
/O.NEW.KCAE.SV.W.0097.110527T0257Z-110527T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1057 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
  BURKE COUNTY IN EAST CENTRAL GEORGIA
  WESTERN BARNWELL COUNTY IN CENTRAL SOUTH CAROLINA
  SOUTHEASTERN EDGEFIELD COUNTY IN CENTRAL SOUTH CAROLINA
  AIKEN COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL MIDNIGHT EDT

* AT 1054 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM NORTH AUGUSTA TO 6 MILES SOUTH OF HEPHZIBAH TO WAYNESBORO     
  TO 10 MILES SOUTH OF WAYNESBORO...AND MOVING NORTHEAST AT 25 MPH.

* SOME COMMUNITIES IN THE WARNING AREA INCLUDE SAVANNAH RIVER SITE...
  WAYNESBORO...SARDIS...HEPHZIBAH...FORT GORDON...AUGUSTA...NORTH
  AUGUSTA...NEW ELLENTON...JACKSON...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 3303 8212 3311 8228 3347 8213 3354 8203
      3358 8209 3374 8203 3377 8144 3373 8139
      3334 8148 3312 8142 3315 8154 3310 8161
      3304 8155 3291 8176 3295 8186 3292 8196
      3291 8208 3288 8212 3282 8214 3281 8219
TIME...MOT...LOC 0256Z 227DEG 22KT 3353 8199 3321 8208
          3308 8199 3296 8200

$$
1 follow-up statement
332 
WWUS52 KCAE 270346
SVSCAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
1146 PM EDT THU MAY 26 2011

GAC245-SCC037-270356-
/O.CAN.KCAE.SV.W.0097.000000T0000Z-110527T0400Z/
RICHMOND GA-EDGEFIELD SC-
1146 PM EDT THU MAY 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR EDGEFIELD AND RICHMOND
COUNTIES IS CANCELLED...

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 3296 8169 3322 8166 3336 8169 3354 8178
      3371 8178 3374 8175 3377 8144 3373 8139
      3334 8148 3312 8142 3315 8154 3310 8161
      3304 8155
TIME...MOT...LOC 0346Z 227DEG 22KT 3375 8168 3350 8161
          3334 8150 3312 8141

$$

GAC033-SCC003-011-270400-
/O.CON.KCAE.SV.W.0097.000000T0000Z-110527T0400Z/
BURKE GA-BARNWELL SC-AIKEN SC-
1146 PM EDT THU MAY 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FOR AIKEN...BARNWELL AND BURKE COUNTIES...

AT 1145 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 14 MILES NORTH OF AIKEN TO 6 MILES WEST OF WINDSOR TO
7 MILES NORTH OF SNELLING TO 9 MILES SOUTH OF SNELLING...OR ALONG A
LINE EXTENDING FROM 14 MILES SOUTHWEST OF BATESBURG TO 7 MILES
SOUTHEAST OF AIKEN TO 10 MILES NORTHWEST OF BARNWELL TO 9 MILES SOUTH
OF BARNWELL...MOVING NORTHEAST AT 25 MPH.

THE LINE OF SEVERE THUNDERSTORMS WILL OTHERWISE REMAIN OVER MAINLY
RURAL AREAS OF THE INDICATED COUNTIES.

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 3296 8169 3322 8166 3336 8169 3354 8178
      3371 8178 3374 8175 3377 8144 3373 8139
      3334 8148 3312 8142 3315 8154 3310 8161
      3304 8155
TIME...MOT...LOC 0346Z 227DEG 22KT 3375 8168 3350 8161
          3334 8150 3312 8141

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 8:08 PM EDTSevere Thunderstorm WarningCAELincoln, McDuffie52 min
May 26, 8:33 PM EDTSevere Thunderstorm WarningCAEBurke, Richmond57 min
May 26, 8:38 PM EDTSevere Thunderstorm WarningCAELincoln22 min
May 26, 9:26 PM EDTSevere Thunderstorm WarningCAEBurke, Richmond64 min
May 26, 9:29 PM EDTSevere Thunderstorm WarningCAEColumbia61 min
May 26, 9:57 PM EDTSevere Thunderstorm WarningCAEBurke, Richmond63 min
May 26, 10:29 PM EDTSevere Thunderstorm WarningCAEColumbia, Richmond31 min
May 27, 1:32 PM EDTAreal Flood AdvisoryCAERichmond44 min
May 26, 8:59 PM EDTSevere Thunderstorm WarningCAEMcCormick31 min
May 26, 10:15 PM EDTSpecial Weather StatementCAELexington60 min
May 26, 11:44 PM EDTSevere Thunderstorm WarningCAEAiken, Bamberg, Barnwell, Calhoun, Lexington, Orangeburg and 1 more61 min
May 27, 9:59 AM EDTSpecial Weather StatementCAENewberry61 min
May 27, 12:25 PM EDTSevere Thunderstorm WarningCAEChesterfield35 min
May 27, 12:46 PM EDTSevere Thunderstorm WarningCAEChesterfield44 min
May 27, 12:57 PM EDTAreal Flood AdvisoryCAEChesterfield2 hr
May 27, 2:00 PM EDTSevere Thunderstorm WarningCAEBamberg, Barnwell, Orangeburg60 min
May 27, 2:26 PM EDTSevere Thunderstorm WarningCAEChesterfield, Lancaster64 min
May 27, 2:44 PM EDTAreal Flood AdvisoryCAELexington, Richland98 min
May 27, 2:44 PM EDTSevere Thunderstorm WarningCAEChesterfield, Kershaw61 min
May 27, 3:01 PM EDTSevere Thunderstorm WarningCAEChesterfield, Kershaw, Lancaster44 min
May 27, 3:22 PM EDTSevere Thunderstorm WarningCAECalhoun, Clarendon, Sumter53 min
May 27, 4:27 PM EDTSevere Thunderstorm WarningCAECalhoun, Clarendon, Sumter48 min
May 27, 4:40 PM EDTSevere Thunderstorm WarningCAERichland, Sumter50 min
May 27, 6:43 PM EDTSevere Thunderstorm WarningCAEFairfield, Kershaw, Richland47 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.