Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 75, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 24, 1999, 4:54 PM EDT for Haralson County, Polk County, Georgia. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 24, 1999, 4:54 PM EDT (20:54 UTC)
- Expired
- Apr 24, 1999, 5:30 PM EDT
- In force
- 36 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Haralson County, GA, Polk County, GA
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.9 hours before the alert went out and 87 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
- 1372 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 784 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KATL 242055 RRA SVRATL GAC143-233-242130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 454 PM EDT SAT APR 24 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN HARALSON COUNTY IN NORTHWESTERN GEORGIA SOUTHERN POLK COUNTY IN NORTHWESTERN GEORGIA * UNTIL 530 PM EDT * AT 453 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR IN THE VICINITY OF ESOM HILL... MOVING EAST AT 10 MPH. 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.
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, Apr 24, 12:00 PM EDT, 4 hours 54 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-242030- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1200 PM EDT SAT APR 24 1999 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING OVER THAT PORTION OF NORTH AND CENTRAL SOUTH OF A CEDARTOWN TO ATLANTA TO SPARTA TO LOUISVILLE. THE STORMS WILL DEVELOP ALONG AND SOUTH OF A SURFACE BOUNDARY ACROSS NORTH GEORGIA. AN UPPER AIR SYSTEM WILL MOVE ACROSS THE STATE AND REINFORCE THE STORMS THAT MAY DEVELOP IN THE AFTERNOON HEATING. THE MAIN THREAT FROM THE STORMS WILL BE HAIL AND GUSTY WINDS. SPOTTER ACTIVATION MAY BE NECESSARY. SPOTTERS AND EMA OFFICIALS SHOULD MONITOR THE SITUATION FOR POSSIBLE SEVERE THUNDERSTORM DEVELOPMENT.
Special weather statement, Apr 24, 12:00 PM EDT, 4 hours 54 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-242030- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1200 PM EDT SAT APR 24 1999 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING OVER THAT PORTION OF NORTH AND CENTRAL SOUTH OF A CEDARTOWN TO ATLANTA TO SPARTA TO LOUISVILLE. THE STORMS WILL DEVELOP ALONG AND SOUTH OF A SURFACE BOUNDARY ACROSS NORTH GEORGIA. AN UPPER AIR SYSTEM WILL MOVE ACROSS THE STATE AND REINFORCE THE STORMS THAT MAY DEVELOP IN THE AFTERNOON HEATING. THE MAIN THREAT FROM THE STORMS WILL BE HAIL AND GUSTY WINDS. SPOTTER ACTIVATION MAY BE NECESSARY. SPOTTERS AND EMA OFFICIALS SHOULD MONITOR THE SITUATION FOR POSSIBLE SEVERE THUNDERSTORM DEVELOPMENT.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 2:33 PM EDT | Severe Thunderstorm Warning | FFC | Meriwether, Troup | 32 min |
| Apr 24, 4:19 PM EDT | Severe Thunderstorm Warning | FFC | Dooly, Houston | 36 min |
| Apr 24, 5:19 PM EDT | Severe Thunderstorm Warning | FFC | Dooly | 16 min |
| Apr 24, 5:22 PM EDT | Severe Thunderstorm Warning | FFC | Pike | 33 min |
| Apr 24, 5:58 PM EDT | Severe Thunderstorm Warning | FFC | Washington | 32 min |
| Apr 24, 5:59 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel | 36 min |
| Apr 24, 6:05 PM EDT | Severe Thunderstorm Warning | FFC | Pike | 35 min |
| Apr 24, 6:28 PM EDT | Severe Thunderstorm Warning | FFC | Johnson, Washington | 32 min |
| Apr 24, 6:45 PM EDT | Severe Thunderstorm Warning | FFC | Laurens | 35 min |
| Apr 24, 6:57 PM EDT | Severe Thunderstorm Warning | FFC | Johnson | 33 min |
| Apr 24, 7:28 PM EDT | Severe Thunderstorm Warning | FFC | Johnson, Laurens | 32 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; the sounding from the Mesonet's radiosonde archive.