Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 6, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jan 17, 1999, 9:17 PM EST for Emanuel County, Georgia. It was in force for 48 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 17, 1999, 9:17 PM EST (02:17 UTC)
- Expired
- Jan 17, 1999, 10:05 PM EST
- In force
- 48 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Emanuel County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 17, 9:25 PM EST | Hail 0.75 | Adrian, GA |
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
Charleston AFB, SC (KCHS), launched 00:00Z, 2.3 hours before the alert went out and 218 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
- 48 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 881 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 364 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KATL 180219 RRA SVRATL GAC107-180305- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 917 PM EST SUN JAN 17 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EMANUEL COUNTY IN EAST CENTRAL GEORGIA * UNTIL 1005 PM EST * AT 916 PM EST... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 6 MILES SOUTHWEST OF SWAINSBORO... MOVING NORTHEAST AT 30 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... LEXSY AROUND 925 PM EST SWAINSBORO AROUND 925 PM EST MODOC AROUND 930 PM EST SUMMERTOWN AROUND 940 PM EST TWIN CITY AROUND 945 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. $$ LEW
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 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, 5:04 AM EST | Severe Thunderstorm Warning | FFC | Laurens | 51 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.