Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 384, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jun 29, 1999, 7:22 PM EDT for Clayton County, Georgia. It was in force for 33 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
- Jun 29, 1999, 7:22 PM EDT (23:22 UTC)
- Expired
- Jun 29, 1999, 7:55 PM EDT
- In force
- 33 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Clayton County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 29, 7:30 PM EDT | Thunderstorm Wind | Forest Park, GA | Clayton county 911 reported pine trees blown down. One fell on a car. |
| Jun 29, 8:00 PM EDT | Thunderstorm Wind | Riverdale, GA | Clayton county 911 reported a lot of power lines blown down. |
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, 11.4 hours before the alert went out and 23 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
- 621 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 925 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 6 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 292324 RRA SVRATL GAC063-292355- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 722 PM EDT TUE JUN 29 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN CLAYTON COUNTY IN NORTHWESTERN GEORGIA * UNTIL 755 PM EDT * AT 721 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 4 MILES EAST OF CONLEY... MOVING SOUTHEAST AT 30 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.
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, Jun 29, 2:46 PM EDT, 4 hours 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
246 PM EDT TUE JUN 29 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
205 PM TRENTON GA 0.75 INCH HAIL
06/29/99 DADE THE PUBLIC REPORTED DIME
SIZE HAIL AND WINDS
ESTIMATED AT 60 MPH.
140 PM MONTICELLO GA WIND DAMAGE
06/29/99 JASPER 911 CENTER REPORTED TREES
DOWN ON HIGHWAY 11 NORTH IN
MONTICELLO.
225 PM 5 SW TRENTON GA WIND DAMAGE
06/29/99 DADE SHERIFF REPORTED TREES DOWN
AND POWER LINES DOWN.
222 PM MILLEDGEVILLE GA 0.75 INCH HAIL
06/29/99 BALDWIN A SPOTTER REPORTED DIME SIZE
HAIL.
245 PM WRENS GA WIND DAMAGE
06/29/99 JEFFERSON WRENS PD REPORTED TREES DOWN
AND POWER OUTAGES.
230 PM GA WIND DAMAGE
06/29/99 WASHINGTON 911 CENTER REPORTED TREES
DOWN IN DEEPSTEP AND
SANDERSVILLE.Local storm report, Jun 29, 2:46 PM EDT, 4 hours 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
246 PM EDT TUE JUN 29 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
205 PM TRENTON GA 0.75 INCH HAIL
06/29/99 DADE THE PUBLIC REPORTED DIME
SIZE HAIL AND WINDS
ESTIMATED AT 60 MPH.
140 PM MONTICELLO GA WIND DAMAGE
06/29/99 JASPER 911 CENTER REPORTED TREES
DOWN ON HIGHWAY 11 NORTH IN
MONTICELLO.
225 PM 5 SW TRENTON GA WIND DAMAGE
06/29/99 DADE SHERIFF REPORTED TREES DOWN
AND POWER LINES DOWN.
222 PM MILLEDGEVILLE GA 0.75 INCH HAIL
06/29/99 BALDWIN A SPOTTER REPORTED DIME SIZE
HAIL.
245 PM WRENS GA WIND DAMAGE
06/29/99 JEFFERSON WRENS PD REPORTED TREES DOWN
AND POWER OUTAGES.
230 PM GA WIND DAMAGE
06/29/99 WASHINGTON 911 CENTER REPORTED TREES
DOWN IN DEEPSTEP AND
SANDERSVILLE.The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 10:18 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Toombs, Treutlen | 32 min |
| Jun 29, 1:17 PM EDT | Severe Thunderstorm Warning | FFC | Jasper | 33 min |
| Jun 29, 1:27 PM EDT | Severe Thunderstorm Warning | FFC | Taliaferro | 33 min |
| Jun 29, 1:49 PM EDT | Severe Thunderstorm Warning | FFC | Hancock | 36 min |
| Jun 29, 1:56 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin | 34 min |
| Jun 29, 1:58 PM EDT | Severe Thunderstorm Warning | FFC | Greene | 37 min |
| Jun 29, 2:10 PM EDT | Severe Thunderstorm Warning | FFC | Dade, Walker | 35 min |
| Jun 29, 2:18 PM EDT | Severe Thunderstorm Warning | FFC | Murray | 32 min |
| Jun 29, 2:28 PM EDT | Severe Thunderstorm Warning | FFC | Washington, Wilkinson | 47 min |
| Jun 29, 2:28 PM EDT | Severe Thunderstorm Warning | FFC | Glascock, Jefferson | 47 min |
| Jun 29, 2:34 PM EDT | Severe Thunderstorm Warning | FFC | Gilmer | 36 min |
| Jun 29, 3:01 PM EDT | Severe Thunderstorm Warning | FFC | Johnson | 19 min |
| Jun 29, 3:16 PM EDT | Severe Thunderstorm Warning | FFC | Upson | 34 min |
| Jun 29, 3:58 PM EDT | Severe Thunderstorm Warning | FFC | Harris, Talbot | 32 min |
| Jun 29, 4:05 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Gordon, Pickens | 50 min |
| Jun 29, 4:27 PM EDT | Severe Thunderstorm Warning | FFC | Banks, Hall | 33 min |
| Jun 29, 4:32 PM EDT | Severe Thunderstorm Warning | FFC | Marion, Schley, Taylor | 33 min |
| Jun 29, 4:47 PM EDT | Severe Thunderstorm Warning | FFC | Jackson | 33 min |
| Jun 29, 5:02 PM EDT | Severe Thunderstorm Warning | FFC | Forsyth, Fulton, Gwinnett | 33 min |
| Jun 29, 5:05 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Hall | 35 min |
| Jun 29, 5:22 PM EDT | Severe Thunderstorm Warning | FFC | Jackson | 33 min |
| Jun 29, 5:26 PM EDT | Severe Thunderstorm Warning | FFC | Cobb, Paulding | 34 min |
| Jun 29, 5:34 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Gwinnett | 31 min |
| Jun 29, 5:35 PM EDT | Severe Thunderstorm Warning | FFC | Madison | 35 min |
| Jun 29, 5:40 PM EDT | Severe Thunderstorm Warning | FFC | Wilcox | 35 min |
| Jun 29, 5:45 PM EDT | Severe Thunderstorm Warning | FFC | Clarke, Oconee | 35 min |
| Jun 29, 6:03 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Rockdale, Walton | 32 min |
| Jun 29, 6:07 PM EDT | Severe Thunderstorm Warning | FFC | Gwinnett | 18 min |
| Jun 29, 6:12 PM EDT | Severe Thunderstorm Warning | FFC | Haralson, Paulding, Polk | 33 min |
| Jun 29, 6:15 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 35 min |
| Jun 29, 6:44 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb | 36 min |
| Jun 29, 6:46 PM EDT | Severe Thunderstorm Warning | FFC | Greene, Oconee | 34 min |
| Jun 29, 7:14 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Fulton | 36 min |
| Jun 29, 7:35 PM EDT | Severe Thunderstorm Warning | FFC | Henry | 35 min |
| Jun 29, 7:52 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, Fayette | 33 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.