Alert archive / Georgia / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 2, NWS Columbia, SC

January 30, 20134 counties in South Carolina; 5 counties in Georgia

NWS Columbia, SC issued this severe thunderstorm warning at Jan 30, 2013, 6:53 PM EST for 4 counties in South Carolina; 5 counties in Georgia. It was in force for 52 min. 6 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: Jan 30, 2013, 6:53 PM EST (23:53 UTC)
Expired: Jan 30, 2013, 7:45 PM EST
In force: 52 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Burke County, GA, Columbia County, GA, Lincoln County, GA, McDuffie County, GA, Richmond County, GA, Aiken County, SC, Edgefield County, SC, McCormick County, SC, Saluda County, SC

The radar

The Columbia radar (KCAE), 109 km from the middle of the area, began a volume at 23:55 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
Jan 30, 7:00 PM EST	TSTM WND DMG	3 N Thomson, GA	TREES DOWN ALONG I-20 AND INTERSECTION WITH WASHINGTON RD
Jan 30, 7:15 PM EST	TSTM WND DMG	Dearing, GA	SEVERAL TREES DOWN ON NELSON ST
Jan 30, 7:30 PM EST	TSTM WND DMG	10 Nw Evans, GA	TREES DOWN ON SCOTTS FERRY ROAD AND AT THE INTERSECTION OF RIDGE ROAD AND PINE RIDGE ROAD IN APPLING.
Jan 30, 7:30 PM EST	TSTM WND DMG	11 Nw Edgefield, SC	WIDESPREAD TREES DOWN AND POWER OUTAGES
Jan 30, 7:50 PM EST	TSTM WND DMG	Edgefield, SC	WIDESPREAD TREES DOWN AND POWER OUTAGES
Jan 30, 7:55 PM EST	TSTM WND DMG	Saluda, SC	SEVERAL TREES DOWN ALONG HIGHWAY 121 IN OLDTOWN AREA

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
Jan 30, 5:45 PM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.9 hours before the alert went out and 211 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: 220 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 487 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 343 m²/s²
0-3 km storm-relative helicity: 420 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

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

861 
WUUS52 KCAE 302353
SVRCAE
GAC033-073-181-189-245-SCC003-037-065-081-310045-
/O.NEW.KCAE.SV.W.0002.130130T2353Z-130131T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
653 PM EST WED JAN 30 2013

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RICHMOND COUNTY IN EAST CENTRAL GEORGIA
  MCDUFFIE COUNTY IN EAST CENTRAL GEORGIA
  LINCOLN COUNTY IN EAST CENTRAL GEORGIA
  NORTHWESTERN BURKE COUNTY IN EAST CENTRAL GEORGIA
  COLUMBIA COUNTY IN EAST CENTRAL GEORGIA
  EDGEFIELD COUNTY IN CENTRAL SOUTH CAROLINA
  MCCORMICK COUNTY IN CENTRAL SOUTH CAROLINA
  SALUDA COUNTY IN CENTRAL SOUTH CAROLINA
  WESTERN AIKEN COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 745 PM EST

* AT 648 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 23 MILES NORTH OF MCCORMICK TO 27 MILES SOUTHWEST OF
  THOMSON...AND MOVING EAST AT 30 MPH.

* SOME COMMUNITIES IN THE WARNING AREA INCLUDE THOMSON...MARTINEZ...
  LINCOLNTON...HEPHZIBAH...HARLEM...GROVETOWN...FORT GORDON...
  EVANS...AUGUSTA...SALUDA...NORTH AUGUSTA...MCCORMICK...JOHNSTON...
  EDGEFIELD AND BELVEDERE

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM EST THURSDAY MORNING
FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA.

&&

LAT...LON 3365 8259 3366 8250 3374 8255 3407 8236
      3406 8232 3398 8230 3402 8224 3398 8219
      3399 8205 3396 8202 3417 8187 3416 8168
      3411 8159 3295 8223 3296 8228 3308 8230
      3324 8225 3331 8234 3335 8255 3358 8264
TIME...MOT...LOC 2352Z 272DEG 25KT 3424 8219 3315 8276

$$

HC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 30, 5:59 PM EST	Severe Thunderstorm Warning	CAE	McCormick	61 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2013 Severe Thunderstorm Warnings in South Carolina, 2013 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.