Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 317, NWS Atlanta, GA

July 31, 2002Hancock County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 31, 2002, 7:19 PM EDT for Hancock County, Georgia. It was in force for 26 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 31, 2002, 7:19 PM EDT (23:19 UTC)
Expired: Jul 31, 2002, 7:45 PM EDT
In force: 26 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Hancock County, GA

What was reported inside it

Time	Report	Where	Remark
Jul 31, 7:40 PM EDT	Thunderstorm Wind	Sparta, GA	The Hancock county 911 center reported that several trees were down along Georgia Highway 77 northwest of Sparta.

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, 11.3 hours before the alert went out and 142 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: 353 J/kg
Mixed-layer CIN: -143 J/kg
Mixed-layer LCL: 927 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 12 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.

969 
WUUS52 KFFC 312319
SVRATL
GAC141-312345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
719 PM EDT WED JUL 31 2002

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 745 PM EDT

* AT 710 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES NORTH OF SPARTA...MOVING SOUTH AT 20
  MPH.

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

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

EXCESSIVE LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IF
POSSIBLE. STAY AWAY FROM WINDOWS AND DOORS. AVOID USING TELEPHONES OR
ELECTRICAL APPLIANCES.

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 3333 8281 3341 8308 3318 8325 3310 8292

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 9:14 PM EDT	Severe Thunderstorm Warning	FFC	Floyd	31 min
Jul 31, 2:37 PM EDT	Severe Thunderstorm Warning	FFC	Floyd	23 min
Jul 31, 5:09 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb	26 min
Jul 31, 5:25 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel	35 min
Jul 31, 5:36 PM EDT	Severe Thunderstorm Warning	FFC	Newton	29 min
Jul 31, 5:57 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel	33 min
Jul 31, 6:34 PM EDT	Severe Thunderstorm Warning	FFC	Greene	26 min
Jul 31, 6:37 PM EDT	Severe Thunderstorm Warning	FFC	Greene	23 min
Jul 31, 6:54 PM EDT	Severe Thunderstorm Warning	FFC	Montgomery	36 min
Jul 31, 7:01 PM EDT	Severe Thunderstorm Warning	FFC	Greene	29 min
Jul 31, 7:13 PM EDT	Severe Thunderstorm Warning	FFC	Jefferson	32 min
Jul 31, 7:38 PM EDT	Severe Thunderstorm Warning	FFC	Johnson	32 min
Jul 31, 7:43 PM EDT	Severe Thunderstorm Warning	FFC	Monroe	22 min
Jul 31, 7:55 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford	35 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.