Alert archive / South Carolina / Tornado Warnings in 2007

Tornado Warning 4, NWS Columbia, SC

February 13, 2007Bamberg County, South Carolina

NWS Columbia, SC issued this tornado warning at Feb 13, 2007, 7:10 PM EST for Bamberg County, South Carolina. It was in force for 37 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: Feb 13, 2007, 7:10 PM EST (00:10 UTC)
Expired: Feb 13, 2007, 7:47 PM EST
In force: 37 min
Issued by: NWS Columbia, SC
Area: Counties, with a storm outline in the text

County Bamberg County, SC

The radar

The Charleston,SC radar (KCLX), 53 km from the middle of the area, began a volume at 00:10 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 13, 7:27 PM EST	TORNADO	4 Se Olar, SC	EF0 BRIEF TOUCHDOWN. 3/4 MILE LONG.
Feb 13, 7:30 PM EST	TSTM WND DMG	11 Ssw Bamberg, SC	TREES DOWN BETWEEN OLAR AND EHRHARDT.
Feb 13, 7:40 PM EST	TSTM WND DMG	7 Ese Bamberg, SC	SHERIFF REPORTED TREES DOWN NEAR MIDVILLE.

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 13, 4:54 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 0.2 hours before the alert went out and 97 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: 343 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 540 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KCAE 140013
TORCAE
SCC009-140115-
/O.NEW.KCAE.TO.W.0004.070214T0010Z-070214T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
710 PM EST TUE FEB 13 2007

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BAMBERG COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 815 PM EST

* AT 706 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO APPROACHING
  THE BAMBERG AND ALLENDALE COUNTY LINE BETWEEN OLAR AND
  EHRHARDT. THE STORM WAS MOVING NORTHEASTWARD NEAR
  45 MPH. 

* SOME COMMUNITIES IN THE WARNING AREA INCLUDE OLAR AND EHRHARDT.

MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR STURDIER SHELTER.
OTHERWISE...GO TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF YOUR HOME
OR PLACE OF BUSINESS. MAKE SURE THERE ARE AS MANY WALLS AND FLOORS
BETWEEN YOU AND THE OUTSIDE AS POSSIBLE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EST WEDNESDAY
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 TOLL FREE AT 1, 800, 7
7 5, 7 1 9 9.

LAT...LON 3313 8121 3302 8108 3310 8094 3306 8090
      3313 8089 3317 8079 3332 8098

$$
RJL

2 follow-up statements

000 
WWUS52 KCAE 140028
SVSCAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
723 PM EST TUE FEB 13 2007

SCC009-140115-
/O.CON.KCAE.TO.W.0004.000000T0000Z-070214T0115Z/
BAMBERG SC-
723 PM EST TUE FEB 13 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EST FOR BAMBERG
COUNTY...

AT 714 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LIKELY SEVERE THUNDERSTORM AND POSSIBLE TORNADO IN
SOUTHERN BAMBERG COUNTY. THIS STORM WAS IN THE STATE ROAD
64 AREA BETWEEN OLAR AND EHRHARDT. THE STORM WAS MOVING NORTHEASTWARD
NEAR 45 MPH. THE HIGHWAY 601 AREA BETWEEN EHRHARDT AND BAMBERG IS
IN THE PATH OF THIS STORM. 

A SMALL INTERIOR ROOM ON THE LOWEST FLOOR USUALLY OFFERS THE 
BEST PROTECTION FROM SEVERE THUNDERSTORMS AND TORNADOES.

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1, 800, 7
7 5, 7 1 9 9.

LAT...LON 3313 8121 3302 8108 3310 8094 3306 8090
      3313 8089 3317 8079 3332 8098

$$
RJL

000 
WWUS52 KCAE 140047
SVSCAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
748 PM EST TUE FEB 13 2007

SCC009-140055-
/O.CAN.KCAE.TO.W.0004.000000T0000Z-070214T0115Z/
BAMBERG SC-
748 PM EST TUE FEB 13 2007

...THE TORNADO WARNING FOR BAMBERG COUNTY CANCELLED...

THE TORNADO WARNING ISSUED AT 710 PM FOR BAMBERG COUNTY HAS 
BEEN CANCELLED. THE STORM PROMPTING THE WARNING HAS WEAKENED.

PLEASE REPORT LARGE HAIL...DAMAGING WIND OR FLOODING
TO YOUR COUNTY SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE 
TOLL FREE AT 1, 800, 7 7 5, 7 1 9 9.

LAT...LON 3313 8121 3302 8108 3310 8094 3306 8090
      3313 8089 3317 8079 3332 8098

$$
RJL

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 13, 7:33 PM EST	Severe Thunderstorm Warning	CAE	Lexington, Richland	42 min

Nearby

Tornado Warnings in South Carolina, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.