Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 10, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jan 18, 1999, 5:04 AM EST for Laurens County, Georgia. It was in force for 51 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
- Jan 18, 1999, 5:04 AM EST (10:04 UTC)
- Expired
- Jan 18, 1999, 5:55 AM EST
- In force
- 51 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Laurens County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 18, 5:30 AM EST | Hail 1.75 | Dexter, GA | Laurens county 911 reported nickel to quarter size and the public reported golfball size hail in Dexter. Another public report indicated quarter size hail covered the ground just southwest of Dublin. |
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 00:00Z, 10.1 hours before the alert went out and 178 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
- 378 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 721 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 617 m²/s²
- 0-3 km storm-relative helicity
- 700 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 5.9
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KATL 181006 RRA SVRATL GAC175-181055- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 504 AM EST MON JAN 18 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LAURENS COUNTY IN CENTRAL GEORGIA * UNTIL 555 AM EST * AT 503 AM EST... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 11 MILES SOUTHWEST OF DEXTER... MOVING NORTHEAST AT 55 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... DEXTER AROUND 515 AM EST RENTZ AROUND 515 AM EST DUDLEY AROUND 515 AM EST DUBLIN AROUND 525 AM EST MINTER AROUND 530 AM 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. $$ KDF/BDL
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 7:31 PM EST | Severe Thunderstorm Warning | FFC | Monroe | 44 min |
| Jan 17, 8:16 PM EST | Severe Thunderstorm Warning | FFC | Laurens | 49 min |
| Jan 17, 8:57 PM EST | Severe Thunderstorm Warning | FFC | Treutlen | 33 min |
| Jan 17, 9:17 PM EST | Severe Thunderstorm Warning | FFC | Emanuel | 48 min |
| Jan 18, 4:24 AM EST | Severe Thunderstorm Warning | FFC | Crisp | 36 min |
| Jan 18, 4:43 AM EST | Severe Thunderstorm Warning | FFC | Floyd, Polk | 47 min |
| Jan 18, 4:45 AM EST | Severe Thunderstorm Warning | FFC | Dodge, Pulaski | 35 min |
| Jan 18, 5:19 AM EST | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Gordon, Pickens | 31 min |
| Jan 18, 5:24 AM EST | Severe Thunderstorm Warning | FFC | Wilcox | 31 min |
| Jan 18, 5:36 AM EST | Severe Thunderstorm Warning | FFC | Johnson | 34 min |
| Jan 18, 5:39 AM EST | Severe Thunderstorm Warning | FFC | Crisp, Wilcox | 36 min |
| Jan 18, 5:56 AM EST | Severe Thunderstorm Warning | FFC | Jefferson | 34 min |
| Jan 18, 6:00 AM EST | Severe Thunderstorm Warning | FFC | Pulaski | 35 min |
| Jan 18, 7:30 AM EST | Severe Thunderstorm Warning | FFC | Jefferson | 35 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.