Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 155, NWS Columbia, SC

June 15, 2011Burke County, Richmond County, Georgia; 5 counties in South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 15, 2011, 9:17 PM EDT for Burke County, Richmond County, Georgia; 5 counties in South Carolina. It was in force for 43 min. 9 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: Jun 15, 2011, 9:17 PM EDT (01:17 UTC)
Expired: Jun 15, 2011, 10:00 PM EDT
In force: 43 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Burke County, GA, Richmond County, GA, Aiken County, SC, Bamberg County, SC, Barnwell County, SC, Lexington County, SC, Orangeburg County, SC

The radar

The Charleston,SC radar (KCLX), 87 km from the middle of the area, began a volume at 01:20 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
Jun 15, 9:28 PM EDT	TSTM WND DMG	14 Ssw Aiken, SC	TREES AND POWER LINES DOWN. ATOMIC ROAD.
Jun 15, 9:30 PM EDT	TSTM WND DMG	1 W Springfield, SC	POWER LINE DOWN ON GOODLAND DRIVE.
Jun 15, 9:30 PM EDT	TSTM WND DMG	2 Se Salley, SC	TREES DOWN ON DR. BOYLETON ROAD
Jun 15, 9:30 PM EDT	TSTM WND DMG	Augusta, GA	TREES AND POWER LINES DOWN
Jun 15, 9:35 PM EDT	TSTM WND DMG	7 Ne Waynesboro, GA	TREES DOWN AT HWYS 23 AND 80
Jun 15, 9:38 PM EDT	TSTM WND DMG	Jackson, SC	TREES AND POWER LINES DOWN.
Jun 15, 9:49 PM EDT	TSTM WND DMG	8 Ese Waynesboro, GA	TREES DOWN THOMPSON BRIDGE ROAD AREA
Jun 15, 10:00 PM EDT	TSTM WND DMG	3 Sse Barnwell, SC	SOUTH CAROLINA HIGHWAY PATROL REPORTED A TREE DOWN IN THE ROADWAY AT SC 300 AND EMERALD LANE
Jun 15, 10:06 PM EDT	TSTM WND DMG	1 Sse Barnwell, SC	SC HIGHWAY PATROL REPORTED A TREE DOWN IN THE ROADWAY AT SC 3 AND US 278.

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
Jun 15, 7:35 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 1.3 hours before the alert went out and 163 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: 459 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 1117 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

882 
WUUS52 KCAE 160117
SVRCAE
GAC033-245-SCC003-009-011-063-075-160200-
/O.NEW.KCAE.SV.W.0155.110616T0117Z-110616T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
917 PM EDT WED JUN 15 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
  NORTHERN BAMBERG COUNTY IN CENTRAL SOUTH CAROLINA
  BARNWELL COUNTY IN CENTRAL SOUTH CAROLINA
  SOUTHERN LEXINGTON COUNTY IN CENTRAL SOUTH CAROLINA
  AIKEN COUNTY IN CENTRAL SOUTH CAROLINA
  WESTERN ORANGEBURG COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 1000 PM EDT

* AT 916 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 19 MILES NORTHEAST OF AIKEN TO AUGUSTA TO 28 MILES NORTHWEST
  OF MIDVILLE...OR ALONG A LINE EXTENDING FROM 13 MILES SOUTH OF
  BATESBURG TO AUGUSTA TO 25 MILES SOUTH OF THOMSON...AND MOVING
  SOUTHEAST AT 30 MPH.

* SOME COMMUNITIES IN THE WARNING AREA INCLUDE SAVANNAH RIVER SITE...
  WAYNESBORO...SARDIS...MIDVILLE...HEPHZIBAH...FORT GORDON...
  AUGUSTA...WILLISTON...ORANGEBURG...NORTH AUGUSTA...NEW ELLENTON...
  JACKSON...DENMARK...CLEARWATER...BROOKDALE...BLACKVILLE...
  BELVEDERE...BARNWELL...BAMBERG...AIKEN AND GLOVERVILLE

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 MIDNIGHT EDT
THURSDAY MORNING FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA.

&&

LAT...LON 3284 8232 3291 8228 3310 8229 3322 8223
      3332 8234 3351 8209 3383 8142 3371 8104
      3361 8094 3362 8086 3348 8067 3311 8125
      3310 8137 3315 8154 3310 8161 3304 8155
      3291 8177 3295 8186 3291 8208 3280 8219
TIME...MOT...LOC 0117Z 294DEG 25KT 3370 8143 3340 8199
          3309 8252

$$

AWP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 8:00 PM EDT	Severe Thunderstorm Warning	CAE	Columbia, Lincoln	45 min
Jun 15, 8:36 PM EDT	Severe Thunderstorm Warning	CAE	Columbia, Lincoln, McDuffie, Richmond	39 min
Jun 15, 8:49 PM EDT	Severe Thunderstorm Warning	CAE	Lincoln	26 min
Jun 15, 8:03 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw, Lancaster, Lexington, Newberry, Richland and 1 more	42 min
Jun 15, 8:46 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Chesterfield, Fairfield, Kershaw, Lancaster, Lee and 4 more	44 min
Jun 15, 9:28 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Clarendon, Lee, Orangeburg, Richland, Sumter	62 min
Jun 15, 9:48 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg, Barnwell, Orangeburg	42 min
Jun 15, 10:27 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg, Calhoun, Clarendon, Orangeburg	48 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.