Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 244, NWS Atlanta, GA

July 12, 2000Johnson County, Laurens County, Treutlen County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 12, 2000, 3:20 PM EDT for Johnson County, Laurens County, Treutlen County, Georgia. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jul 12, 2000, 3:20 PM EDT (19:20 UTC)
Expired: Jul 12, 2000, 4:00 PM EDT
In force: 40 min
Issued by: NWS Atlanta, GA
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Johnson County, GA, Laurens County, GA, Treutlen County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.3 hours before the alert went out and 216 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: 778 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 1345 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 47 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.

637 
WUUS52 KFFC 121920
SVRATL
GAC107-167-175-283-122000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
320 PM EDT WED JUL 12 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAURENS COUNTY IN CENTRAL GEORGIA
  SOUTHERN EMANUEL COUNTY IN EAST CENTRAL GEORGIA
  SOUTHERN JOHNSON COUNTY IN EAST CENTRAL GEORGIA
  TREUTLEN COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 400 PM EDT

* AT 316 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES SOUTH OF
  SWAINSBORO TO 16 MILES SOUTHWEST OF DUBLIN TO 17 MILES WEST OF
  DUBLIN...MOVING SOUTHEAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE STILLMORE...SOPERTON...EAST
  DUBLIN AND ADRIAN

SEVERE THUNDERSTORM WINDS CAN BE AS DESTRUCTIVE AS A TORNADO. FOR
YOUR SAFETY...GO TO A SAFE PLACE IMMEDIATELY.

LAT...LON 3251 8217 3260 8229 3263 8268 3257 8323
          3220 8301 3231 8273 3234 8251 3235 8239
          3230 8235 3231 8224 3236 8226 3241 8220

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 11, 8:51 PM EDT	Severe Thunderstorm Warning	FFC	Gwinnett	39 min
Jul 12, 1:32 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Henry, Spalding	28 min
Jul 12, 1:32 PM EDT	Severe Thunderstorm Warning	FFC	Fayette	28 min
Jul 12, 1:57 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Twiggs	33 min
Jul 12, 2:04 PM EDT	Severe Thunderstorm Warning	FFC	Lamar, Monroe	26 min
Jul 12, 2:11 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Henry, Spalding	34 min
Jul 12, 2:19 PM EDT	Severe Thunderstorm Warning	FFC	Laurens, Wilkinson	26 min
Jul 12, 2:27 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Twiggs	33 min
Jul 12, 3:20 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel	40 min
Jul 12, 3:25 PM EDT	Severe Thunderstorm Warning	FFC	Dooly, Macon	50 min
Jul 12, 5:53 PM EDT	Severe Thunderstorm Warning	FFC	Walton	22 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2000 Every severe thunderstorm warning in 2000

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.