Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 557, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 29, 1999, 4:30 PM EDT for Carroll County, Coweta County, Georgia. It was in force for 35 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 29, 1999, 4:30 PM EDT (20:30 UTC)
- Expired
- Jul 29, 1999, 5:05 PM EDT
- In force
- 35 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 |
|---|---|---|---|
| Jul 29, 4:55 PM EDT | Thunderstorm Wind | Carrollton, GA | Carroll county 911 reported trees and power lines down. |
| Jul 29, 4:59 PM EDT | Thunderstorm Wind | Dresden, GA | Coweta county 911 reported trees down west of Newnan. |
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, 8.5 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.
- Mixed-layer CAPE
- 192 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 1285 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
077 WUUS1 KATL 292032 SVRATL GAC045-077-292105- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 430 PM EDT THU JUL 29 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CARROLL COUNTY IN NORTHWESTERN GEORGIA COWETA COUNTY IN NORTHWESTERN GEORGIA * UNTIL 505 PM EDT * AT 429 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 3 MILES NORTHWEST OF WHITESBURG... MOVING SOUTH AT 25 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... WHITESBURG AROUND 435 PM EDT... ROSCOE AROUND 440 PM EDT... SARGENT AROUND 450 PM EDT... HANDY AROUND 455 PM EDT... NEWNAN AROUND 500 PM EDT... DAMAGING WIND...LARGE HAIL...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 29, 4:32 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee | 33 min |
| Jul 29, 4:41 PM EDT | Severe Thunderstorm Warning | FFC | Schley | 34 min |
| Jul 29, 5:41 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cobb, Paulding | 49 min |
| Jul 29, 6:52 PM EDT | Severe Thunderstorm Warning | FFC | Haralson | 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.