Alert archive / South Carolina / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 13, NWS Columbia, SC

March 2, 2007Lexington County, Richland County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Mar 2, 2007, 2:08 AM EST for Lexington County, Richland County, South Carolina. It was in force for 82 min. 4 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 2, 2007, 2:08 AM EST (07:08 UTC)
Expired: Mar 2, 2007, 3:30 AM EST
In force: 82 min
Issued by: NWS Columbia, SC
Area: Counties, with a storm outline in the text

Counties Lexington County, SC, Richland County, SC

The radar

The Columbia radar (KCAE), 6 km from the middle of the area, began a volume at 07:09 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 2, 2:51 AM EST	TSTM WND DMG	5 Se Gaston, SC	TREES DOWN.
Mar 2, 3:25 AM EST	TSTM WND DMG	Lexington, SC	TREES DOWN IN DOWNTOWN LEXINGTON. TREE ACROSS ROAD ON IRMO DRIVE.
Mar 2, 3:30 AM EST	TSTM WND DMG	2 Nw Irmo, SC	TREES DOWN IN BALLENTINE.
Mar 2, 3:30 AM EST	TSTM WND DMG	Columbia, SC	POWER LINES DOWN.

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 1, 8:27 PM EST	Tornado Watch	SPC	9 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 7.1 hours before the alert went out and 154 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: 16 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 488 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 174 m²/s²
0-3 km storm-relative helicity: 402 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 
WUUS52 KCAE 020710
SVRCAE
SCC063-079-020830-
/O.NEW.KCAE.SV.W.0013.070302T0708Z-070302T0830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
208 AM EST FRI MAR 2 2007

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RICHLAND COUNTY IN CENTRAL SOUTH CAROLINA
  LEXINGTON COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 330 AM EST

* AT 201 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  NUMEROUS SHOWERS AND THUNDERSTORMS IN LEXINGTON AND RICHLAND
  COUNTIES. SOME OF THESE THUNDERSTORMS WERE SEVERE WITH WIND
  GUSTS NEAR 60 MPH. THE STORMS WERE MOVING NORTHEAST NEAR 45 MPH.

* SOME COMMUNITIES IN THE WARNING AREA INCLUDE RED BANK...
  LEXINGTON...GASTON...SOUTH CONGAREE...OAK GROVE...PINE RIDGE...
  SPRINGDALE...IRMO...CAYCE...WEST COLUMBIA...ST. ANDREWS...
  COLUMBIA...FOREST ACRES...ARCADIA LAKES...DENTSVILLE...
  WOODFIELDS...FORT JACKSON AND EASTOVER.

PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR
LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY
RAIN CAN OCCUR WITH ANY THUNDERSTORM. SEEK SHELTER INDOORS AWAY FROM
WINDOWS AND DOORS UNTIL THE STORM PASSES.

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. SEVERE
THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE
OR NO ADVANCE WARNING. SEEK SHELTER IN AN INTERIOR ROOM ON THE LOWEST

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 3382 8159 3363 8117 3382 8096 3377 8057
      3425 8087 3421 8129

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 2, 12:38 AM EST	Severe Thunderstorm Warning	CAE	Edgefield, Saluda	52 min
Mar 2, 12:57 AM EST	Severe Thunderstorm Warning	CAE	Lexington	63 min
Mar 2, 1:22 AM EST	Severe Thunderstorm Warning	CAE	Aiken	53 min
Mar 2, 1:37 AM EST	Severe Thunderstorm Warning	CAE	Fairfield	53 min
Mar 2, 2:00 AM EST	Tornado Warning	CAE	Aiken	45 min
Mar 2, 2:36 AM EST	Severe Thunderstorm Warning	CAE	Calhoun, Orangeburg	69 min
Mar 2, 3:19 AM EST	Severe Thunderstorm Warning	CAE	Aiken	41 min
Mar 2, 3:24 AM EST	Severe Thunderstorm Warning	CAE	Sumter	53 min
Mar 2, 3:38 AM EST	Severe Thunderstorm Warning	CAE	Lee	41 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2007 Every severe thunderstorm warning 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.