Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 447, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 6, 1999, 5:51 PM EDT for Henry County, Georgia. It was in force for 34 min. 2 reports 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
- Jul 6, 1999, 5:51 PM EDT (21:51 UTC)
- Expired
- Jul 6, 1999, 6:25 PM EDT
- In force
- 34 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Henry County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 6, 6:10 PM EDT | Hail 1.75 | Mc Donough, GA | Henry county 911 reported dime size hail and the public reported quarter to golfball size hail. |
| Jul 6, 6:10 PM EDT | Thunderstorm Wind | Mc Donough, GA | The local newspaper reported a severe thunderstorm toppled trees and snapped power lines. There was also spot flooding throughout the county. One tree fell on top of a van. A store was flooded and the police department had several inches of water in it due to |
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 |
|---|---|---|---|
| Jul 6, 2:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.9 hours before the alert went out and 33 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
- 1066 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1170 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 66 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 062151 RRA SVRATL GAC151-062225- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 551 PM EDT TUE JUL 6 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HENRY COUNTY IN NORTHWESTERN GEORGIA * UNTIL 625 PM EDT * AT 550 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 4 MILES NORTHEAST OF STOCKBRIDGE... MOVING SOUTHWEST AT 10 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... STOCKBRIDGE AROUND 610 PM EDT... FLIPPEN AROUND 625 PM EDT... MCDONOUGH AROUND 630 PM EDT... DAMAGING WIND...LARGE LHAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. IF YOU SEE DAMAGE OR LARGE HAIL...CALL THE NATIONAL WEATHER SERVICE AT 770-486-1133 AT EXTENSION 2 0 4.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:14 PM EDT | Severe Thunderstorm Warning | FFC | Pickens | 36 min |
| Jul 6, 3:42 PM EDT | Severe Thunderstorm Warning | FFC | Lumpkin | 33 min |
| Jul 6, 3:52 PM EDT | Severe Thunderstorm Warning | FFC | Gilmer | 33 min |
| Jul 6, 3:58 PM EDT | Severe Thunderstorm Warning | FFC | Jackson | 37 min |
| Jul 6, 4:15 PM EDT | Severe Thunderstorm Warning | FFC | Fulton | 35 min |
| Jul 6, 4:27 PM EDT | Severe Thunderstorm Warning | FFC | Hall | 33 min |
| Jul 6, 4:45 PM EDT | Severe Thunderstorm Warning | FFC | Cobb, Fulton | 35 min |
| Jul 6, 4:46 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Johnson | 34 min |
| Jul 6, 4:52 PM EDT | Severe Thunderstorm Warning | FFC | Warren | 33 min |
| Jul 6, 5:14 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb | 36 min |
| Jul 6, 5:35 PM EDT | Flash Flood Warning | FFC | Fulton | 115 min |
| Jul 6, 5:35 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Johnson | 35 min |
| Jul 6, 5:45 PM EDT | Severe Thunderstorm Warning | FFC | Laurens | 35 min |
| Jul 6, 5:49 PM EDT | Severe Thunderstorm Warning | FFC | Greene, Taliaferro | 31 min |
| Jul 6, 6:01 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga | 34 min |
| Jul 6, 6:03 PM EDT | Severe Thunderstorm Warning | FFC | Monroe | 32 min |
| Jul 6, 6:19 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin, Hancock | 36 min |
| Jul 6, 6:24 PM EDT | Severe Thunderstorm Warning | FFC | Fayette | 36 min |
| Jul 6, 6:32 PM EDT | Severe Thunderstorm Warning | FFC | Jones | 33 min |
| Jul 6, 6:41 PM EDT | Severe Thunderstorm Warning | FFC | Monroe | 34 min |
| Jul 6, 6:44 PM EDT | Severe Thunderstorm Warning | FFC | Troup | 31 min |
| Jul 6, 6:45 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga | 35 min |
| Jul 6, 6:52 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin | 33 min |
| Jul 6, 6:55 PM EDT | Flash Flood Warning | FFC | Chattooga | 3 hr |
| Jul 6, 6:56 PM EDT | Severe Thunderstorm Warning | FFC | Bibb | 34 min |
| Jul 6, 7:00 PM EDT | Severe Thunderstorm Warning | FFC | Laurens | 35 min |
| Jul 6, 7:08 PM EDT | Severe Thunderstorm Warning | FFC | Meriwether | 32 min |
| Jul 6, 7:09 PM EDT | Severe Thunderstorm Warning | FFC | Monroe | 36 min |
| Jul 6, 7:20 PM EDT | Severe Thunderstorm Warning | FFC | Macon | 35 min |
| Jul 6, 7:24 PM EDT | Severe Thunderstorm Warning | FFC | Telfair | 36 min |
| Jul 6, 7:39 PM EDT | Severe Thunderstorm Warning | FFC | Heard | 31 min |
| Jul 6, 7:46 PM EDT | Severe Thunderstorm Warning | FFC | Dooly | 34 min |
| Jul 6, 7:47 PM EDT | Severe Thunderstorm Warning | FFC | Upson | 33 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.