Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 554, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 25, 1999, 7:31 PM EDT for Harris County, Talbot County, Georgia. It was in force for 49 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
- Jul 25, 1999, 7:31 PM EDT (23:31 UTC)
- Expired
- Jul 25, 1999, 8:20 PM EDT
- In force
- 49 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Harris County, GA, Talbot County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 25, 7:37 PM EDT | Thunderstorm Wind | Waverly Hall, GA | Harris county 911 reported trees and power lines down in Waverly Hall and Ellerslie. |
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, 11.5 hours before the alert went out and 75 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
- 638 J/kg
- Mixed-layer CIN
- -194 J/kg
- Mixed-layer LCL
- 983 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 5 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 252333 SVRATL GAC145-263-260020- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 731 PM EDT SUN JUL 25 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN HARRIS COUNTY IN WEST CENTRAL GEORGIA WESTERN TALBOT COUNTY IN WEST CENTRAL GEORGIA * UNTIL 820 PM EDT * AT 728 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 3 MILES SOUTH OF WAVERLY HALL... MOVING WEST AT LESS THAN 5 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... WAVERLY HALL...CATAULA...AND ELLERSLIE THROUGH 820 PM EDT. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. 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 24, 8:03 PM EDT | Severe Thunderstorm Warning | FFC | Marion, Schley | 32 min |
| Jul 24, 8:08 PM EDT | Severe Thunderstorm Warning | FFC | Bibb | 32 min |
| Jul 24, 8:13 PM EDT | Severe Thunderstorm Warning | FFC | Macon | 32 min |
| Jul 24, 8:32 PM EDT | Severe Thunderstorm Warning | FFC | Houston | 33 min |
| Jul 25, 6:03 PM EDT | Severe Thunderstorm Warning | FFC | Talbot | 32 min |
| Jul 25, 6:14 PM EDT | Severe Thunderstorm Warning | FFC | Taylor | 36 min |
| Jul 25, 6:45 PM EDT | Severe Thunderstorm Warning | FFC | Harris, Talbot | 35 min |
| Jul 25, 6:48 PM EDT | Severe Thunderstorm Warning | FFC | Taylor | 32 min |
| Jul 25, 7:01 PM EDT | Severe Thunderstorm Warning | FFC | Crawford | 34 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.