Alert archive / South Carolina / Tornado Warnings in 2013

Tornado Warning 6, NWS Columbia, SC

December 14, 2013Orangeburg County, South Carolina

NWS Columbia, SC issued this tornado warning at Dec 14, 2013, 7:22 PM EST for Orangeburg County, South Carolina. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Dec 14, 2013, 7:22 PM EST (00:22 UTC)
Expired: Dec 14, 2013, 7:45 PM EST
In force: 23 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

County Orangeburg County, SC

The radar

The Columbia radar (KCAE), 97 km from the middle of the area, began a volume at 00:25 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Dec 14, 6:50 PM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 0.4 hours before the alert went out and 60 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: 934 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 507 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 306 m²/s²
0-3 km storm-relative helicity: 314 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 8.1

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KCAE 150022
TORCAE
SCC075-150045-
/O.NEW.KCAE.TO.W.0006.131215T0022Z-131215T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
722 PM EST SAT DEC 14 2013

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

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

* UNTIL 745 PM EST

* AT 719 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES
  SOUTHWEST OF HOLLY HILL...OR ABOUT NEAR SAINT GEORGE...MOVING
  NORTHEAST AT 40 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VANCE AND
  EUTAWVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR USE

WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.COLUMBIA.GOV

TO RELAY SEVERE WEATHER REPORTS.

OR CALL THE NATIONAL WEATHER SERVICE AT

8...0...3...8...2...2...8...1...3...5.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM EST SUNDAY MORNING FOR
CENTRAL SOUTH CAROLINA.

&&

LAT...LON 3338 8024 3330 8025 3326 8032 3327 8035
      3325 8036 3325 8043 3328 8049 3333 8051
      3325 8065 3329 8068 3346 8042 3343 8035
      3345 8028 3344 8027 3345 8025 3344 8022
      3339 8022
TIME...MOT...LOC 0022Z 239DEG 39KT 3327 8053

$$

HC

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 14, 7:19 PM EST	Severe Thunderstorm Warning	CAE	Clarendon, Orangeburg	41 min

Nearby

Tornado Warnings in South Carolina, 2013 Every tornado warning in 2013 Tornadoes in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.