Alert archive / South Carolina / Tornado Warnings in 2011

Tornado Warning 1, NWS Columbia, SC

February 28, 20115 counties in South Carolina

NWS Columbia, SC issued this tornado warning at Feb 28, 2011, 7:13 PM EST for 5 counties in South Carolina. It was in force for 47 min. 5 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: Feb 28, 2011, 7:13 PM EST (00:13 UTC)
Expired: Feb 28, 2011, 8:00 PM EST
In force: 47 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Fairfield County, SC, Lexington County, SC, Newberry County, SC, Richland County, SC, Saluda County, SC

The radar

The Columbia radar (KCAE), 57 km from the middle of the area, began a volume at 00:13 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
Feb 28, 7:18 PM EST	TSTM WND DMG	2 N Silverstreet, SC	A ROOF RIPPED OFF AN OUT BUILDING AND NUMEROUS TREES DOWN ALONG TRINITY CHURCH RD
Feb 28, 7:24 PM EST	TSTM WND DMG	8 Nw Saluda, SC	TREES DOWN
Feb 28, 7:24 PM EST	TORNADO	1 Nne Silverstreet, SC	EF1 TORNADO NEAR INTERSECTION OF SPEARMAN RD AND TRINITY SPRINGS RD ONE MILE NNE OF SILVERSTREET.
Feb 28, 7:30 PM EST	TORNADO	2 S Prosperity, SC	CORRECTED LOCATION AND TIME. REPORT OF POSSIBLE TORNADO TOUCHDOWN. SHERIFF DEPT EN ROUTE TO CHECK IT OUT.
Feb 28, 7:42 PM EST	TORNADO	1 E Little Mountain, SC	REPORT OF POSSIBLE TORNADO TOUCHDOWN. SHERIFF DEPT EN ROUTE TO CHECK IT OUT.

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
Feb 28, 5:04 PM EST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 0.2 hours before the alert went out and 209 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: 22 J/kg
Mixed-layer CIN: -366 J/kg
Mixed-layer LCL: 1048 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 174 m²/s²
0-3 km storm-relative helicity: 200 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.

101 
WFUS52 KCAE 010013
TORCAE
SCC039-063-071-079-081-010100-
/O.NEW.KCAE.TO.W.0001.110301T0013Z-110301T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
713 PM EST MON FEB 28 2011

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN FAIRFIELD COUNTY IN CENTRAL SOUTH CAROLINA
  NORTHWESTERN LEXINGTON COUNTY IN CENTRAL SOUTH CAROLINA
  SOUTHERN NEWBERRY COUNTY IN CENTRAL SOUTH CAROLINA
  NORTHWESTERN RICHLAND COUNTY IN CENTRAL SOUTH CAROLINA
  NORTHERN SALUDA COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 800 PM EST

* AT 709 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 16 MILES WEST OF
  PROSPERITY...OR ABOUT 13 MILES SOUTHWEST OF NEWBERRY...MOVING EAST
  AT 55 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  PROSPERITY AND IRMO

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EST
MONDAY 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 1 877 6 3
3...6 7 7 2.

LAT...LON 3412 8187 3413 8186 3413 8187 3428 8185
      3425 8108 3399 8124 3408 8188
TIME...MOT...LOC 0013Z 276DEG 51KT 3418 8175

$$

HC

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 7:18 PM EST	Severe Thunderstorm Warning	CAE	Chesterfield, Kershaw, Lancaster	57 min
Feb 28, 7:24 PM EST	Severe Thunderstorm Warning	CAE	Edgefield, McCormick	29 min
Feb 28, 7:28 PM EST	Severe Thunderstorm Warning	CAE	Aiken, Chesterfield, Fairfield, Kershaw, Lancaster, Lexington and 3 more	62 min
Feb 28, 8:11 PM EST	Severe Thunderstorm Warning	CAE	Chesterfield	23 min
Feb 28, 8:49 PM EST	Severe Thunderstorm Warning	CAE	Clarendon, Lee, Sumter	29 min

Nearby

Tornado Warnings in South Carolina, 2011 Every tornado warning in 2011 Tornadoes 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.