Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 27, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Feb 9, 1999, 3:46 PM EST for DeKalb County, Rockdale 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
- Feb 9, 1999, 3:46 PM EST (20:46 UTC)
- Expired
- Feb 9, 1999, 4:20 PM EST
- In force
- 34 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties DeKalb County, GA, Rockdale County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 9, 3:50 PM EST | Hail 0.75 | Lithonia, GA | Another public report indicated nickel size hail. |
| Feb 9, 4:15 PM EST | Hail 0.75 | Conyers, GA | Several public reports indicated dime size hail in Rockdale county. The hail covered the ground in some areas. Also, 2 to 3 inches of rain fell within 30 minutes, according to 2 reports. |
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, 8.8 hours before the alert went out and 52 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1051 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 58 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 092044 RRA SVRATL GAC089-247-092120- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 346 PM EST TUE FEB 9 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN DEKALB COUNTY IN NORTHWESTERN GEORGIA ROCKDALE COUNTY IN NORTHWESTERN GEORGIA * UNTIL 420 PM EST * AT 343 PM EST... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 4 MILES SOUTHWEST OF LITHONIA... MOVING EAST AT 15 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... LITHONIA AROUND 355 PM EST CONYERS AROUND 415 PM EST MILSTEAD AROUND 415 PM EST MAGNET AROUND 420 PM EST 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 EXTENSION 204. $$ WRS/DH
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
Local storm report, Feb 9, 2:20 PM EST, 1 hour 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
320 PM EDT TUE FEB 9 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
312 PM BUCKHEAD GA 0.75 INCH HAIL
2/9/99 FULTONLocal storm report, Feb 9, 3:03 PM EST, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
403 PM EDT TUE FEB 9 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
312 PM BUCKHEAD GA 0.75 INCH HAIL
2/9/99 FULTON
335 PM 1 SW LITHONIA GA 0.75 INCH HAIL
2/9/99 DEKALBLocal storm report, Feb 9, 3:29 PM EST, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
429 PM EDT TUE FEB 9 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
312 PM BUCKHEAD GA 0.75 INCH HAIL
2/9/99 FULTON
335 PM 1 SW LITHONIA GA 0.75 INCH HAIL
2/9/99 DEKALB
355 PM LITHONIA GA 0.75 INCH HAIL
2/9/99 DEKALB
415 PM CONYERS GA 0.75 INCH HAIL
2/9/99 ROCKDALELocal storm report, Feb 9, 3:31 PM EST, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
320 PM EDT TUE FEB 9 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
312 PM BUCKHEAD GA 0.75 INCH HAIL
2/9/99 FULTONThe office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 9, 3:09 PM EST | Severe Thunderstorm Warning | FFC | DeKalb, Fulton | 36 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.