Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 294, NWS Atlanta, GA

July 23, 2002Towns County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 23, 2002, 3:47 PM EDT for Towns County, Georgia. It was in force for 28 min. 2 reports 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 23, 2002, 3:47 PM EDT (19:47 UTC)
Expired: Jul 23, 2002, 4:15 PM EDT
In force: 28 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Towns County, GA

The radar

The Greer radar (KGSP), 138 km from the middle of the area, began a volume at 19:47 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.

What was reported inside it

Time	Report	Where	Remark
Jul 23, 4:00 PM EDT	Thunderstorm Wind	Hiawassee, GA	The Towns county 911 center reported that several trees and power lines were down.
Jul 23, 4:00 PM EDT	Hail 0.88	Hiawassee, GA	The Towns county 911 center reported nickel 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, 7.8 hours before the alert went out and 185 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: 1244 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 586 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 66 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.

353 
WUUS52 KFFC 231947
SVRATL
GAC281-232015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
346 PM EDT TUE JUL 23 2002

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 415 PM EDT

* AT 344 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER HIAWASSEE THE SEVERE THUNDERSTORM WAS
  NEARLY STATIONARY.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...HIAWASSEE...
  YOUNG HARRIS AND PRESLEY.

HAIL TO THE SIZE OF NICKLES AND WIND GUSTS TO 65 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 3499 8360 3479 8368 3480 8377 3490 8383
          3498 8392

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 8:06 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Fayette	24 min
Jul 22, 8:31 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Paulding	29 min
Jul 23, 4:09 PM EDT	Severe Thunderstorm Warning	FFC	Houston, Peach	36 min
Jul 23, 5:49 PM EDT	Severe Thunderstorm Warning	FFC	Fulton, Gwinnett	26 min
Jul 23, 5:55 PM EDT	Severe Thunderstorm Warning	FFC	Fayette	35 min
Jul 23, 6:04 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Fulton	26 min
Jul 23, 6:07 PM EDT	Severe Thunderstorm Warning	FFC	Bartow	23 min
Jul 23, 6:22 PM EDT	Severe Thunderstorm Warning	FFC	Gwinnett	23 min
Jul 23, 6:25 PM EDT	Severe Thunderstorm Warning	FFC	Chattahoochee, Muscogee	35 min
Jul 23, 6:46 PM EDT	Severe Thunderstorm Warning	FFC	Cobb	29 min
Jul 23, 7:09 PM EDT	Severe Thunderstorm Warning	FFC	Spalding	21 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; radar from the NEXRAD Level II archive.