Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 656, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 20, 1999, 7:44 PM EDT for Montgomery County, Wheeler County, Georgia. It was in force for 36 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 20, 1999, 7:44 PM EDT (23:44 UTC)
- Expired
- Aug 20, 1999, 8:20 PM EDT
- In force
- 36 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Montgomery County, GA, Wheeler County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 20, 8:00 PM EDT | Hail 0.75 | Mt Vernon, 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
Jacksonville, FL (KJAX), launched 12:00Z, 11.7 hours before the alert went out and 203 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
- 39 J/kg
- Mixed-layer CIN
- -190 J/kg
- Mixed-layer LCL
- 1236 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 202344 RRA SVRATL GAC209-309-210020- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 744 PM EDT FRI AUG 20 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MONTGOMERY IN CENTRAL GEORGIA WHEELER COUNTY IN CENTRAL GEORGIA * UNTIL 820 PM EDT * AT 743 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 4 MILES SOUTHWEST OF MOUNT VERNON OR 4 MILES SOUTHEAST OF GLENWOOD... MOVING SOUTH AT 5 MPH. * THIS STORM WILL REMAIN OVER RURAL AREAS. 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 20, 2:19 AM EDT | Severe Thunderstorm Warning | FFC | Paulding | 36 min |
| Aug 20, 2:49 AM EDT | Severe Thunderstorm Warning | FFC | Jefferson | 36 min |
| Aug 20, 4:36 AM EDT | Severe Thunderstorm Warning | FFC | Washington | 34 min |
| Aug 20, 5:11 AM EDT | Severe Thunderstorm Warning | FFC | Washington | 34 min |
| Aug 20, 3:13 PM EDT | Severe Thunderstorm Warning | FFC | Putnam | 37 min |
| Aug 20, 3:20 PM EDT | Severe Thunderstorm Warning | FFC | Jefferson | 35 min |
| Aug 20, 4:00 PM EDT | Severe Thunderstorm Warning | FFC | Jefferson | 35 min |
| Aug 20, 4:07 PM EDT | Severe Thunderstorm Warning | FFC | Harris | 33 min |
| Aug 20, 4:20 PM EDT | Severe Thunderstorm Warning | FFC | Jones | 35 min |
| Aug 20, 4:22 PM EDT | Severe Thunderstorm Warning | FFC | Hancock | 33 min |
| Aug 20, 4:43 PM EDT | Severe Thunderstorm Warning | FFC | Bibb | 17 min |
| Aug 20, 4:45 PM EDT | Severe Thunderstorm Warning | FFC | Douglas, Fulton | 35 min |
| Aug 20, 4:47 PM EDT | Severe Thunderstorm Warning | FFC | Twiggs | 33 min |
| Aug 20, 4:57 PM EDT | Severe Thunderstorm Warning | FFC | Harris | 33 min |
| Aug 20, 5:01 PM EDT | Severe Thunderstorm Warning | FFC | Bibb | 34 min |
| Aug 20, 5:04 PM EDT | Severe Thunderstorm Warning | FFC | Wilkinson | 36 min |
| Aug 20, 5:23 PM EDT | Severe Thunderstorm Warning | FFC | Twiggs | 37 min |
| Aug 20, 5:36 PM EDT | Severe Thunderstorm Warning | FFC | Madison | 34 min |
| Aug 20, 5:41 PM EDT | Severe Thunderstorm Warning | FFC | Jefferson, Johnson | 34 min |
| Aug 20, 5:47 PM EDT | Severe Thunderstorm Warning | FFC | Jackson | 33 min |
| Aug 20, 5:48 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel | 52 min |
| Aug 20, 5:57 PM EDT | Severe Thunderstorm Warning | FFC | Houston, Peach | 33 min |
| Aug 20, 6:05 PM EDT | Severe Thunderstorm Warning | FFC | Jasper | 35 min |
| Aug 20, 6:28 PM EDT | Severe Thunderstorm Warning | FFC | Bleckley | 32 min |
| Aug 20, 6:31 PM EDT | Severe Thunderstorm Warning | FFC | Houston | 19 min |
| Aug 20, 6:47 PM EDT | Severe Thunderstorm Warning | FFC | Butts, Jasper | 33 min |
| Aug 20, 6:50 PM EDT | Severe Thunderstorm Warning | FFC | Dodge | 35 min |
| Aug 20, 6:51 PM EDT | Severe Thunderstorm Warning | FFC | Clarke | 34 min |
| Aug 20, 6:52 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 33 min |
| Aug 20, 6:53 PM EDT | Severe Thunderstorm Warning | FFC | Putnam | 37 min |
| Aug 20, 7:26 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 19 min |
| Aug 20, 7:28 PM EDT | Severe Thunderstorm Warning | FFC | Crisp, Dooly | 32 min |
| Aug 20, 7:30 PM EDT | Severe Thunderstorm Warning | FFC | Wilcox | 35 min |
| Aug 20, 7:31 PM EDT | Severe Thunderstorm Warning | FFC | Clarke | 34 min |
| Aug 20, 7:42 PM EDT | Severe Thunderstorm Warning | FFC | Jackson | 18 min |
| Aug 20, 7:52 PM EDT | Severe Thunderstorm Warning | FFC | Madison | 18 min |
| Aug 20, 7:56 PM EDT | Severe Thunderstorm Warning | FFC | Telfair | 34 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.