Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 324, NWS Atlanta, GA

August 9, 2000Johnson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 9, 2000, 4:08 PM EDT for Johnson County, Georgia. It was in force for 37 min. 2 reports came from 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, with what was reported inside it.

The facts

Issued: Aug 9, 2000, 4:08 PM EDT (20:08 UTC)
Expired: Aug 9, 2000, 4:45 PM EDT
In force: 37 min
Issued by: NWS Atlanta, GA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Johnson County, GA

What was reported inside it

Time	Report	Where	Remark
Aug 9, 4:20 PM EDT	Hail 0.75	Wrightsville, GA	The Johnson county 911 center reported dime size hail.
Aug 9, 4:20 PM EDT	Thunderstorm Wind	Wrightsville, GA	The Johnson county 911 center reported a tree down across the road.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.1 hours before the alert went out and 186 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: 1309 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1101 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 26 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.

014 
WUUS52 KFFC 092008
SVRATL
GAC167-092045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
408 PM EDT WED AUG 9 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JOHNSON COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 445 PM EDT

* AT 358 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER WRIGHTSVILLE...OR ABOUT 18 MILES NORTHEAST
  OF DUBLIN...MOVING SOUTHEAST AT 15 MPH.

LARGE HAIL...DAMAGING WINDS AND TORRENTIAL RAIN ARE EXPECTED WITH
THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER WHILE THE STORM
PASSES.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS AND STAY
AWAY FROM WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES.

LAT...LON 3276 8283 3256 8264 3272 8248 3281 8253

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 2:06 PM EDT	Severe Thunderstorm Warning	FFC	Monroe	24 min
Aug 9, 2:53 PM EDT	Severe Thunderstorm Warning	FFC	Peach	37 min
Aug 9, 3:05 PM EDT	Severe Thunderstorm Warning	FFC	Heard	40 min
Aug 9, 3:23 PM EDT	Severe Thunderstorm Warning	FFC	Houston	37 min
Aug 9, 3:31 PM EDT	Severe Thunderstorm Warning	FFC	Peach	44 min
Aug 9, 4:54 PM EDT	Severe Thunderstorm Warning	FFC	Marion	36 min
Aug 9, 5:31 PM EDT	Severe Thunderstorm Warning	FFC	Telfair	29 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.