Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 138, NWS Columbia, SC

July 3, 2012Burke County, Georgia

NWS Columbia, SC issued this severe thunderstorm warning at Jul 3, 2012, 3:52 PM EDT for Burke County, Georgia. It was in force for 23 min. 2 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 3, 2012, 3:52 PM EDT (19:52 UTC)
Expired: Jul 3, 2012, 4:15 PM EDT
In force: 23 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

County Burke County, GA

The radar

The Charleston,SC radar (KCLX), 71 km from the middle of the area, began a volume at 19:55 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
Jul 3, 4:00 PM EDT	TSTM WND DMG	4 N Girard, GA	SHERIFF DISPACH REPORTED TREES DOWN ALONG RIVER ROAD.
Jul 3, 4:06 PM EDT	TSTM WND DMG	2 Nne Girard, GA	SHERIFF DISPATCH REPORTED TREES DOWN ON VINE ROAD NEAR GIRARD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 7.9 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: 2583 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 1031 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 31 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.

335 
WUUS52 KCAE 031952
SVRCAE
GAC033-032015-
/O.NEW.KCAE.SV.W.0138.120703T1952Z-120703T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
352 PM EDT TUE JUL 3 2012

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN BURKE COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 415 PM EDT

* AT 351 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 6 MILES EAST OF
  GIRARD...OR 13 MILES SOUTH OF SAVANNAH RIVER SITE...AND MOVING
  SOUTH AT 5 MPH.

* SOME COMMUNITIES IN THE WARNING AREA INCLUDE GIRARD

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.

LAT...LON 3297 8172 3312 8171 3310 8166 3309 8165
      3310 8161 3306 8157 3305 8154 3304 8155
      3295 8169
TIME...MOT...LOC 1952Z 005DEG 5KT 3306 8162

$$

AWP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 1:40 PM EDT	Severe Thunderstorm Warning	CAE	Burke	35 min

Nearby

Severe Thunderstorm Warnings in Georgia, 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.