Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 127, NWS Columbia, SC

July 1, 2012Aiken County, Edgefield County, McCormick County, South Carolina; 4 counties in Georgia

NWS Columbia, SC issued this severe thunderstorm warning at Jul 1, 2012, 5:43 PM EDT for Aiken County, Edgefield County, McCormick County, South Carolina; 4 counties in Georgia. It was in force for 47 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: Jul 1, 2012, 5:43 PM EDT (21:43 UTC)
Expired: Jul 1, 2012, 6:30 PM EDT
In force: 47 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

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

The radar

The Columbia radar (KCAE), 120 km from the middle of the area, began a volume at 21:47 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
Jul 1, 5:43 PM EDT	TSTM WND DMG	4 Ese Belvedere, SC	TREES DOWN ACROSS ROAD AT INTERSECTION OF SUDLOW LAKE RD AND OSCAGO LAKE RD.
Jul 1, 5:52 PM EDT	TSTM WND DMG	Lincolnton, GA	SHERIFF REPORTED TREES DOWN IN THE AREA.
Jul 1, 5:57 PM EDT	HAIL 1	10 N Evans, SC	PUBLIC REPORTED QUARTER SIZE HAIL NEAR MERIWETHER.

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
Jul 1, 2:01 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.7 hours before the alert went out and 201 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: 2785 J/kg
Mixed-layer CIN: -200 J/kg
Mixed-layer LCL: 1830 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -38 m²/s²
0-3 km storm-relative helicity: 60 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.

736 
WUUS52 KCAE 012143
SVRCAE
GAC033-073-181-245-SCC003-037-065-012230-
/O.NEW.KCAE.SV.W.0127.120701T2143Z-120701T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
543 PM EDT SUN JUL 1 2012

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

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

* UNTIL 630 PM EDT

* AT 538 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 14
  MILES SOUTH OF MCCORMICK...OR 15 MILES NORTHWEST OF EVANS...AND
  MOVING SOUTHEAST AT 10 MPH.

* SOME COMMUNITIES IN THE WARNING AREA INCLUDE MARTINEZ...
  LINCOLNTON...HEPHZIBAH...HARLEM...GROVETOWN...FORT GORDON...
  EVANS...AUGUSTA...NORTH AUGUSTA...NEW ELLENTON...MCCORMICK...
  JACKSON...CLEARWATER...BELVEDERE AND GLOVERVILLE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE...TOLL FREE 1 877 6 3
3...6 7 7 2.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
SUNDAY EVENING FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA.

&&

LAT...LON 3394 8209 3334 8157 3314 8219 3335 8231
      3336 8230 3340 8234 3342 8234 3350 8240
      3353 8239 3357 8244 3359 8241 3363 8244
      3365 8243 3364 8248 3384 8260 3387 8258
      3387 8261 3393 8263
TIME...MOT...LOC 2143Z 315DEG 10KT 3370 8223

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 2:12 PM EDT	Severe Thunderstorm Warning	CAE	Kershaw, Lancaster	48 min
Jul 1, 2:12 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield	48 min
Jul 1, 2:51 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw	54 min
Jul 1, 2:52 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Edgefield, McCormick	53 min
Jul 1, 2:55 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield	50 min
Jul 1, 3:16 PM EDT	Severe Thunderstorm Warning	CAE	Kershaw, Richland, Sumter	59 min
Jul 1, 3:30 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield, Kershaw, Lancaster	60 min
Jul 1, 3:42 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Edgefield, Lexington, McCormick, Saluda	63 min
Jul 1, 3:44 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw, Richland	46 min
Jul 1, 3:49 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield	56 min
Jul 1, 4:12 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Richland	48 min
Jul 1, 4:27 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield, Kershaw, Lancaster	48 min
Jul 1, 4:32 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw, Lexington, Newberry, Richland, Sumter	43 min
Jul 1, 4:41 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, Saluda	49 min
Jul 1, 4:49 PM EDT	Areal Flood Advisory	CAE	Lexington, Richland	3 hr
Jul 1, 4:58 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Newberry, Richland, Saluda, Sumter	47 min
Jul 1, 5:02 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	43 min
Jul 1, 5:21 PM EDT	Flash Flood Warning	CAE	Richland	87 min
Jul 1, 5:26 PM EDT	Severe Thunderstorm Warning	CAE	Clarendon, Richland, Sumter	49 min
Jul 1, 5:45 PM EDT	Special Weather Statement	CAE	Lexington, Richland, Sumter	60 min
Jul 1, 6:10 PM EDT	Severe Thunderstorm Warning	CAE	Clarendon	50 min
Jul 1, 6:28 PM EDT	Severe Thunderstorm Warning	CAE	Saluda	32 min
Jul 1, 6:58 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg, Barnwell, Clarendon, Orangeburg	62 min
Jul 1, 7:04 PM EDT	Severe Thunderstorm Warning	CAE	Lexington	26 min
Jul 1, 7:18 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield, Kershaw, Lancaster	72 min
Jul 1, 4:20 PM EDT	Severe Thunderstorm Warning	CAE	Columbia, McDuffie, Richmond	40 min
Jul 1, 4:42 PM EDT	Severe Thunderstorm Warning	CAE	Columbia, Lincoln	33 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012 Severe Thunderstorm Warnings in South Carolina, 2012 Every severe thunderstorm warning in 2012

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.