Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 612, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 19, 1999, 4:28 PM EDT for Emanuel County, Georgia. It was in force for 37 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
- Aug 19, 1999, 4:28 PM EDT (20:28 UTC)
- Expired
- Aug 19, 1999, 5:05 PM EDT
- In force
- 37 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Emanuel County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 19, 4:45 PM EDT | Hail 1.25 | Adrian, GA | The Adrian police reported quarter to half dollar size hail. |
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 12:00Z, 8.5 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
- 2996 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 923 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
309 WUUS52 KFFC 192028 RRA SVRATL GAC107-192105- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 428 PM EDT THU AUG 19 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EMANUEL COUNTY IN EAST CENTRAL GEORGIA * UNTIL 505 PM EDT * AT 428 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 12 MILES WEST OF SWAINSBORO OR 5 MILES NORTHWEST OF NORRISTOWN... MOVING EAST AT 5 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... NORRISTOWN... 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 |
|---|---|---|---|---|
| Aug 19, 2:16 PM EDT | Severe Thunderstorm Warning | FFC | Taylor | 34 min |
| Aug 19, 2:55 PM EDT | Severe Thunderstorm Warning | FFC | Macon | 35 min |
| Aug 19, 3:32 PM EDT | Severe Thunderstorm Warning | FFC | Houston, Peach | 33 min |
| Aug 19, 4:03 PM EDT | Severe Thunderstorm Warning | FFC | Houston, Twiggs | 32 min |
| Aug 19, 4:06 PM EDT | Severe Thunderstorm Warning | FFC | Washington | 34 min |
| Aug 19, 4:53 PM EDT | Severe Thunderstorm Warning | FFC | Johnson, Laurens | 32 min |
| Aug 19, 5:02 PM EDT | Severe Thunderstorm Warning | FFC | Jefferson | 33 min |
| Aug 19, 5:25 PM EDT | Severe Thunderstorm Warning | FFC | Laurens | 35 min |
| Aug 19, 5:33 PM EDT | Severe Thunderstorm Warning | FFC | Wheeler | 32 min |
| Aug 19, 5:59 PM EDT | Severe Thunderstorm Warning | FFC | Laurens | 36 min |
| Aug 19, 6:22 PM EDT | Severe Thunderstorm Warning | FFC | Wilcox | 33 min |
| Aug 19, 7:02 PM EDT | Severe Thunderstorm Warning | FFC | Telfair | 33 min |
| Aug 19, 7:33 PM EDT | Severe Thunderstorm Warning | FFC | Telfair | 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.