Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 270, NWS Atlanta, GA

July 6, 2002Johnson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 6, 2002, 6:16 PM EDT for Johnson County, Georgia. It was in force for 24 min. 1 report 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 6, 2002, 6:16 PM EDT (22:16 UTC)
Expired: Jul 6, 2002, 6:40 PM EDT
In force: 24 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Johnson County, GA

What was reported inside it

Time	Report	Where	Remark
Jul 6, 6:20 PM EDT	Hail 1	Wrightsville, GA	The Johnson county sheriff reported quarter size hail.

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, 10.3 hours before the alert went out and 169 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: 1211 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 1565 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 18 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.

000 
WUUS52 KFFC 062216
SVRATL
GAC167-062240-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
616 PM EDT SAT JUL 6 2002

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 640 PM EDT

* AT 613 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER WRIGHTSVILLE...MOVING SOUTH AT 10 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WRIGHTSVILLE.

HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN
THE WARNED AREA.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3274 8294 3265 8277 3279 8268 3280 8292

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 4:31 PM EDT	Severe Thunderstorm Warning	FFC	Telfair	29 min
Jul 6, 4:34 PM EDT	Severe Thunderstorm Warning	FFC	Webster	26 min
Jul 6, 5:11 PM EDT	Severe Thunderstorm Warning	FFC	Washington	34 min
Jul 6, 5:23 PM EDT	Severe Thunderstorm Warning	FFC	Johnson	22 min
Jul 6, 5:27 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel	33 min
Jul 6, 6:02 PM EDT	Severe Thunderstorm Warning	FFC	Toombs	43 min
Jul 6, 6:06 PM EDT	Severe Thunderstorm Warning	FFC	White	24 min
Jul 6, 6:40 PM EDT	Severe Thunderstorm Warning	FFC	Hall	35 min
Jul 6, 6:49 PM EDT	Severe Thunderstorm Warning	FFC	Jefferson	41 min
Jul 6, 7:10 PM EDT	Severe Thunderstorm Warning	FFC	Houston, Peach	35 min
Jul 6, 7:24 PM EDT	Severe Thunderstorm Warning	FFC	Telfair, Wheeler	36 min
Jul 6, 7:45 PM EDT	Severe Thunderstorm Warning	FFC	Dooly	30 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2002 Every severe thunderstorm warning in 2002

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.