Alert archive / South Carolina / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 4, NWS Columbia, SC

February 13, 2007Saluda County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Feb 13, 2007, 6:24 PM EST for Saluda County, South Carolina. It was in force for 51 min. 1 report 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, 6:24 PM EST (23:24 UTC)
Expired: Feb 13, 2007, 7:15 PM EST
In force: 51 min
Issued by: NWS Columbia, SC
Area: Counties, with a storm outline in the text

County Saluda County, SC

The radar

The Columbia radar (KCAE), 66 km from the middle of the area, began a volume at 23:26 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, 6:40 PM EST	TSTM WND DMG	1 Sw Saluda, SC	LAW ENFORCEMENT REPORTED TREES DOWN ALONG SC HIGHWAY 42 JUST SOUTHWEST OF SALUDA.

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 12:00Z, 11.4 hours before the alert went out and 208 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: 180 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 573 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KCAE 132324
SVRCAE
SCC081-140015-
/O.NEW.KCAE.SV.W.0004.070213T2324Z-070214T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
624 PM EST TUE FEB 13 2007

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SALUDA COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 715 PM EST

* AT 621 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES SOUTHWEST OF SALUDA...OR
  ABOUT 18 MILES WEST OF BATESBURG...AND MOVING NORTHEAST AT 35 MPH.

* SOME COMMUNITIES IN THE WARNING AREA INCLUDE SALUDA.

DOPPLER RADAR INDICATES ROTATION ASSOCIATED WITH THIS SEVERE
THUNDERSTORM. IF IT CONTINUES TO STRENGTHEN...A TORNADO WARNING MAY
BE ISSUED. REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

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 3396 8201 3398 8190 3391 8188 3387 8186
      3382 8169 3406 8151 3416 8184

$$

LM

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 13, 3:09 PM EST	Lake Wind Advisory	CAE	Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 10 more	28 hr
Feb 13, 5:47 PM EST	Tornado Warning	CAE	McCormick	28 min
Feb 13, 5:52 PM EST	Tornado Warning	CAE	Edgefield	38 min
Feb 13, 6:03 PM EST	Tornado Warning	CAE	Edgefield	27 min
Feb 13, 6:05 PM EST	Severe Thunderstorm Warning	CAE	Aiken	40 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.