Alert archive / South Carolina / Tornado Warnings in 2009

Tornado Warning 5, NWS Columbia, SC

April 10, 2009Aiken County, Barnwell County, Orangeburg County, South Carolina

NWS Columbia, SC issued this tornado warning at Apr 10, 2009, 11:12 PM EDT for Aiken County, Barnwell County, Orangeburg County, South Carolina. It was in force for 48 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: Apr 10, 2009, 11:12 PM EDT (03:12 UTC)
Expired: Apr 11, 2009, 12:00 AM EDT
In force: 48 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Aiken County, SC, Barnwell County, SC, Orangeburg County, SC

The radar

The Columbia radar (KCAE), 63 km from the middle of the area, began a volume at 03:14 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
Apr 10, 11:15 PM EDT	FUNNEL CLOUD	Aiken, SC
Apr 10, 11:30 PM EDT	TSTM WND DMG	4 W New Ellenton, SC	SILVER BLUFF FIRE DEPARTMENT DESTROYED. BUILDING WAS LEVLED BY WIND DAMAGE.
Apr 10, 11:57 PM EDT	TSTM WND DMG	2 S New Ellenton, SC	TREES AND POWER LINES DOWN 2 MILES SOUTH OF NEW ELLENTON IN AIKEN COUNTY. DAMAGE TO HOUSES. TREE ON HOUSE WITH CHILD TRAPPED INSIDE.

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
Apr 10, 9:24 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 3.2 hours before the alert went out and 142 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1295 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 197 m²/s²
0-3 km storm-relative helicity: 258 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.

000 
WFUS52 KCAE 110312
TORCAE
SCC003-011-075-110400-
/O.NEW.KCAE.TO.W.0005.090411T0312Z-090411T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1112 PM EDT FRI APR 10 2009

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL AIKEN COUNTY IN CENTRAL SOUTH CAROLINA
  NORTHWESTERN ORANGEBURG COUNTY IN CENTRAL SOUTH CAROLINA
  NORTHEASTERN BARNWELL COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL MIDNIGHT EDT

* AT 1110 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NEW ELLENTON
  MOVING EAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW
  ELLENTON...WILLISTON AND BLACKVILLE

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM EDT SATURDAY MORNING
FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. A TORNADO WATCH
ALSO REMAINS IN EFFECT UNTIL 100 AM EDT SATURDAY MORNING 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 IN COLUMBIA TOLL FREE
AT 1 800 7 7 5 7 1 9 9.

LAT...LON 3338 8175 3358 8180 3365 8116 3343 8119
      3343 8121 3336 8120 3335 8121 3331 8121
TIME...MOT...LOC 0311Z 267DEG 42KT 3348 8177

$$

SJN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 8:18 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	42 min
Apr 10, 8:29 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	46 min
Apr 10, 8:54 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, Saluda	51 min
Apr 10, 9:24 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Lexington, Newberry, Richland	51 min
Apr 10, 9:40 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Richland	50 min
Apr 10, 10:06 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Fairfield, Kershaw, Lee, Richland, Sumter	24 min
Apr 10, 10:27 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield	48 min
Apr 10, 10:31 PM EDT	Severe Thunderstorm Warning	CAE	Aiken	44 min
Apr 10, 10:34 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Clarendon, Kershaw, Lee, Richland, Sumter	56 min
Apr 10, 10:41 PM EDT	Tornado Warning	CAE	Aiken	34 min
Apr 10, 11:22 PM EDT	Areal Flood Advisory	CAE	Aiken, Barnwell	113 min
Apr 10, 11:38 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg, Calhoun, Orangeburg	67 min
Apr 10, 11:51 PM EDT	Tornado Warning	CAE	Bamberg, Calhoun, Orangeburg	39 min
Apr 11, 12:05 AM EDT	Tornado Warning	CAE	Barnwell	40 min
Apr 11, 12:49 AM EDT	Severe Thunderstorm Warning	CAE	Bamberg	26 min
Apr 11, 1:12 AM EDT	Tornado Warning	CAE	Barnwell	48 min
Apr 11, 4:16 AM EDT	River Flood Warning	CAE	Edgefield, McCormick	16 hr

Nearby

Tornado Warnings in South Carolina, 2009 Every tornado warning in 2009 Tornadoes in 2009

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.