Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 336, NWS Atlanta, GA

August 20, 2002Dooly County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 20, 2002, 7:49 PM EDT for Dooly County, Georgia. It was in force for 21 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: Aug 20, 2002, 7:49 PM EDT (23:49 UTC)
Expired: Aug 20, 2002, 8:10 PM EDT
In force: 21 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Dooly County, GA

What was reported inside it

Time	Report	Where	Remark
Aug 20, 7:55 PM EDT	Thunderstorm Wind	Drayton, GA	The Dooly county 911 center reported that some trees were blown down.

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, 11.8 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: 1515 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 967 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 47 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.

086 
WUUS52 KFFC 202349
SVRATL
GAC093-210010-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
749 PM EDT TUE AUG 20 2002

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN DOOLY COUNTY IN CENTRAL GEORGIA

* UNTIL 810 PM EDT

* AT 749 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER SOUTHWESTERN DOOLY COUNTY...MOVING WEST AT
  20 MPH.

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 3201 8384 3218 8390 3215 8401 3204 8396

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 20, 5:03 PM EDT	Severe Thunderstorm Warning	FFC	Floyd, Polk	27 min
Aug 20, 5:33 PM EDT	Severe Thunderstorm Warning	FFC	Haralson, Polk	27 min
Aug 20, 6:52 PM EDT	Severe Thunderstorm Warning	FFC	Dooly	33 min
Aug 20, 7:26 PM EDT	Severe Thunderstorm Warning	FFC	Troup	19 min
Aug 20, 7:56 PM EDT	Severe Thunderstorm Warning	FFC	Sumter	44 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.