Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 348, NWS Atlanta, GA

September 14, 2002Clarke County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Sep 14, 2002, 4:09 PM EDT for Clarke County, Georgia. It was in force for 21 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Sep 14, 2002, 4:09 PM EDT (20:09 UTC)
Expired: Sep 14, 2002, 4:30 PM EDT
In force: 21 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Clarke County, GA

The radar

The Atlanta radar (KFFC), 127 km from the middle of the area, began a volume at 20:12 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.2 hours before the alert went out and 121 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: 2 J/kg
Mixed-layer CIN: -148 J/kg
Mixed-layer LCL: 891 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 150 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.

079 
WUUS52 KFFC 142009
SVRATL
GAC059-142030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
408 PM EDT SAT SEP 14 2002

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLARKE COUNTY IN NORTHEAST GEORGIA

* UNTIL 430 PM EDT

* AT 407 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER GAINES SCHOOL...MOVING NORTH AT 35 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...ATHENS...
  GAINES SCHOOL AND WINTERVILLE.

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 3392 8345 3388 8322 3405 8335 3399 8348

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 14, 3:32 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Paulding	28 min
Sep 14, 3:51 PM EDT	Severe Thunderstorm Warning	FFC	Floyd	24 min
Sep 14, 3:58 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee	32 min
Sep 14, 4:27 PM EDT	Severe Thunderstorm Warning	FFC	Gordon, Pickens	33 min
Sep 14, 4:52 PM EDT	Severe Thunderstorm Warning	FFC	Lumpkin, White	23 min
Sep 14, 4:58 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Gilmer, Murray, Whitfield	47 min
Sep 14, 5:16 PM EDT	Severe Thunderstorm Warning	FFC	Towns, Union	29 min
Sep 14, 5:34 PM EDT	Severe Thunderstorm Warning	FFC	Telfair	26 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.