Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 141, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 7, 1999, 6:30 PM EDT for Towns County, Union County, Georgia. It was in force for 50 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, 6:30 PM EDT (22:30 UTC)
- Expired
- May 7, 1999, 7:20 PM EDT
- In force
- 50 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Towns County, GA, Union County, GA
The radar
The Knoxville radar (KMRX), 150 km from the middle of the area, began a volume at 22:31 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 |
|---|---|---|---|
| May 7, 6:45 PM EDT | Hail 1 | Blairsville, GA | Reports from a spotter and the public indicated quarter 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, 10.5 hours before the alert went out and 177 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 072230 RRA SVRATL GAC281-291-072320- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 630 PM EDT FRI MAY 7 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... TOWNS COUNTY IN NORTHEASTERN GEORGIA UNION COUNTY IN NORTHEASTERN GEORGIA * UNTIL 720 PM EDT * AT 628 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 14 MILES SOUTH OF OWLTOWN... MOVING NORTHEAST AT 35 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... OWLTOWN AROUND 645 PM EDT BLAIRSVILLE AROUND 650 PM EDT YOUNG HARRIS AROUND 705 PM EDT PRESLEY AROUND 710 PM EDT HIAWASSEE AROUND 710 PM EDT A TORNADO WATCH IS ALSO IN EFFECT IN OR NEAR THE WARNED AREA. SEVERE THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. BE ALERT...BUT REMAIN CALM. IF YOU SEE DAMAGE OR LARGE HAIL...CALL THE NATIONAL WEATHER SERVICE AT 770-486-1133 AT EXTENSION 2 0 4.
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, 5 hours 5 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, 5 hours 5 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, 6:18 PM EDT | Severe Thunderstorm Warning | FFC | Carroll, Coweta | 37 min |
| May 7, 6:26 PM EDT | Severe Thunderstorm Warning | FFC | Dawson | 34 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, 1999Every 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; radar from the NEXRAD Level II archive.