Alert archive / South Carolina / Tornado Warnings in 2010

Tornado Warning 4, NWS Columbia, SC

March 28, 2010Aiken County, Edgefield County, South Carolina

NWS Columbia, SC issued this tornado warning at Mar 28, 2010, 10:20 PM EDT for Aiken County, Edgefield County, South Carolina. It was in force for 40 min. 2 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: Mar 28, 2010, 10:20 PM EDT (02:20 UTC)
Expired: Mar 28, 2010, 11:00 PM EDT
In force: 40 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Aiken County, SC, Edgefield County, SC

The radar

The Columbia radar (KCAE), 75 km from the middle of the area, began a volume at 02:20 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
Mar 28, 10:24 PM EDT	TORNADO	8 Nne Martinez, SC	AN EF2 TORNADO TOUCHED DOWN ON HWY 230 AND STEVENS CREEK TAKING DOWN NUMEROUS TREES AND POWERLINES. TWO HOMES WERE DAMAGED AS WAS A MOBILE HOME. A TREE FELL ONTO A MOTOR HOME AND SEVERELY DAMAGED IT AS WELL. THE TORNADO WAS ON THE GROUND FOR ABOUT 6 MINUTES BE
Mar 28, 10:45 PM EDT	TSTM WND DMG	11 Ssw Edgefield, SC	WIND DAMAGE ON POWER LINES NEAR MARTINTOWN RD AND BRIGGS RD INTERSECTION

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
Mar 28, 3:47 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 2.3 hours before the alert went out and 201 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: 531 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 592 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

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

113 
WFUS52 KCAE 290220
TORCAE
SCC003-037-290300-
/O.NEW.KCAE.TO.W.0004.100329T0220Z-100329T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1020 PM EDT SUN MAR 28 2010

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* TORNADO WARNING FOR...
  EDGEFIELD COUNTY
  NORTHWESTERN AIKEN COUNTY

* UNTIL 1100 PM EDT

* AT 1019 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 14 MILES
  SOUTHWEST OF EDGEFIELD...OR ABOUT 7 MILES NORTH OF MARTINEZ...
  MOVING NORTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  JOHNSTON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT SUNDAY 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 3392 8188 3387 8186 3385 8181 3381 8165
      3383 8163 3374 8155 3354 8204 3362 8210
      3365 8210 3366 8213 3370 8215
TIME...MOT...LOC 0220Z 232DEG 23KT 3364 8203

$$

AWP

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 28, 9:45 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, McCormick	45 min
Mar 28, 10:48 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	42 min
Mar 28, 10:53 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, Saluda	37 min
Mar 28, 11:16 PM EDT	Tornado Warning	CAE	Lexington, Saluda	44 min
Mar 28, 11:30 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, McCormick	45 min
Mar 28, 11:48 PM EDT	Tornado Warning	CAE	Fairfield, Lexington, Richland	42 min
Mar 29, 12:15 AM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Lancaster	45 min

Nearby

Tornado Warnings in South Carolina, 2010 Every tornado warning in 2010 Tornadoes in 2010

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.