Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 139, NWS Atlanta, GA

May 7, 1999Carroll County, Coweta County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 7, 1999, 6:18 PM EDT for Carroll County, Coweta County, Georgia. It was in force for 37 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 7, 1999, 6:18 PM EDT (22:18 UTC)
Expired: May 7, 1999, 6:55 PM EDT
In force: 37 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Carroll County, GA, Coweta County, GA

What was reported inside it

Time	Report	Where	Remark
May 7, 6:22 PM EDT	Hail 1.75	Temple, GA	The public reported quarter size hail and the Carroll county EMA ofice reported golf ball 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 7, 3:15 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.3 hours before the alert went out and 41 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: 362 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 564 m above ground
0-6 km bulk shear: 0 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 0 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 7, 1:25 PM EDT, 4 hours 53 minutes before

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-071825-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
125 PM EDT FRI MAY 7 1999

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE NORTH THIRD OF
GEORGIA THIS AFTERNOON AND TONIGHT.

MOIST UNSTABLE AIR REMAINS IN PLACE ACROSS GEORGIA THIS AFTERNOON.
A SERIES OF UPPER-LEVEL DISTURBANCES WILL MOVE ACROSS GEORGIA FROM THE
SOUTHWEST THIS AFTERNOON AND TONIGHT. MEANWHILE...A WEAK COLD FRONT
WILL MOVE SLOWLY EAST FROM NORTHWEST GEORGIA TO NEAR CENTRAL GEORGIA
TONIGHT. THE FRONT WILL SERVE TO FURTHER ENHANCE THE DEVELOPMENT OF
STRONG TO SEVERE THUNDERSTORMS.

THE PRIMARY THREAT WILL BE LARGE HAIL AND DAMAGING WIND GUSTS.

SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD REMAIN ALERT TO
DEVELOPING WEATHER THIS AFTERNOON AND TONIGHT AND BE PREPARED FOR
POSSIBLE ACTIVATION.

Special weather statement, May 7, 1:25 PM EDT, 4 hours 53 minutes before

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-071825-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
125 PM EDT FRI MAY 7 1999

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE NORTH THIRD OF
GEORGIA THIS AFTERNOON AND TONIGHT.

MOIST UNSTABLE AIR REMAINS IN PLACE ACROSS GEORGIA THIS AFTERNOON.
A SERIES OF UPPER-LEVEL DISTURBANCES WILL MOVE ACROSS GEORGIA FROM THE
SOUTHWEST THIS AFTERNOON AND TONIGHT. MEANWHILE...A WEAK COLD FRONT
WILL MOVE SLOWLY EAST FROM NORTHWEST GEORGIA TO NEAR CENTRAL GEORGIA
TONIGHT. THE FRONT WILL SERVE TO FURTHER ENHANCE THE DEVELOPMENT OF
STRONG TO SEVERE THUNDERSTORMS.

THE PRIMARY THREAT WILL BE LARGE HAIL AND DAMAGING WIND GUSTS.

SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD REMAIN ALERT TO
DEVELOPING WEATHER THIS AFTERNOON AND TONIGHT AND BE PREPARED FOR
POSSIBLE ACTIVATION.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 9:45 PM EDT	Severe Thunderstorm Warning	FFC	Marion	20 min
May 7, 4:23 AM EDT	Severe Thunderstorm Warning	FFC	Troup	32 min
May 7, 2:34 PM EDT	Severe Thunderstorm Warning	FFC	Carroll	36 min
May 7, 2:40 PM EDT	Severe Thunderstorm Warning	FFC	Gilmer	35 min
May 7, 3:25 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Union	30 min
May 7, 3:42 PM EDT	Tornado Warning	FFC	Carroll	13 min
May 7, 4:05 PM EDT	Tornado Warning	FFC	Carroll, Haralson	30 min
May 7, 4:11 PM EDT	Severe Thunderstorm Warning	FFC	Towns	34 min
May 7, 4:17 PM EDT	Tornado Warning	FFC	Paulding	33 min
May 7, 4:33 PM EDT	Tornado Warning	FFC	Carroll, Haralson	32 min
May 7, 4:34 PM EDT	Tornado Warning	FFC	Cobb	36 min
May 7, 4:37 PM EDT	Severe Thunderstorm Warning	FFC	Troup	33 min
May 7, 4:51 PM EDT	Tornado Warning	FFC	Paulding	34 min
May 7, 5:00 PM EDT	Tornado Warning	FFC	Cherokee	35 min
May 7, 5:03 PM EDT	Tornado Warning	FFC	Carroll	32 min
May 7, 5:19 PM EDT	Tornado Warning	FFC	Gordon, Pickens	36 min
May 7, 5:22 PM EDT	Tornado Warning	FFC	Cobb, Paulding	33 min
May 7, 5:41 PM EDT	Tornado Warning	FFC	Cherokee	49 min
May 7, 5:48 PM EDT	Severe Thunderstorm Warning	FFC	Carroll	47 min
May 7, 5:52 PM EDT	Severe Thunderstorm Warning	FFC	Haralson	33 min
May 7, 6:07 PM EDT	Severe Thunderstorm Warning	FFC	Troup	33 min
May 7, 6:10 PM EDT	Severe Thunderstorm Warning	FFC	Heard	35 min
May 7, 6:13 PM EDT	Severe Thunderstorm Warning	FFC	Lumpkin	32 min
May 7, 6:26 PM EDT	Severe Thunderstorm Warning	FFC	Dawson	34 min
May 7, 6:30 PM EDT	Severe Thunderstorm Warning	FFC	Towns, Union	50 min
May 7, 6:34 PM EDT	Severe Thunderstorm Warning	FFC	Douglas, Paulding	31 min
May 7, 6:42 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Fulton	48 min
May 7, 6:44 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether	36 min
May 7, 7:00 PM EDT	Severe Thunderstorm Warning	FFC	Troup	50 min
May 7, 7:19 PM EDT	Severe Thunderstorm Warning	FFC	Lumpkin, White	51 min
May 7, 7:26 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Douglas	34 min
May 7, 7:30 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Fulton	35 min
May 7, 7:44 PM EDT	Severe Thunderstorm Warning	FFC	Troup	31 min
May 7, 7:53 PM EDT	Tornado Warning	FFC	Meriwether, Troup	47 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1999 Every severe thunderstorm warning in 1999

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.