Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 85, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 24, 1999, 8:11 PM EDT for Jefferson County, Georgia. It was in force for 49 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
- Apr 24, 1999, 8:11 PM EDT (00:11 UTC)
- Expired
- Apr 24, 1999, 9:00 PM EDT
- In force
- 49 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Jefferson County, GA
The radar
The Robins AFB radar (KJGX), 97 km from the middle of the area, began a volume at 00:10 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 24, 8:20 PM EDT | Hail 1.75 | Louisville, GA | The public reported hail a little larger than golf ball size, strong winds, and power out in Louisville. |
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, 0.2 hours before the alert went out and 197 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
- 1488 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1260 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 250011 RRA SVRATL GAC163-250100- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 811 PM EDT SAT APR 24 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JEFFERSON COUNTY IN EAST CENTRAL GEORGIA * UNTIL 900 PM EDT * AT 809 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 5 MILES NORTH OF WADLEY... MOVING SOUTHEAST AT 15 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... WADLEY AROUND 825 PM EDT SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN INTER>IOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. 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, Apr 24, 5:40 PM EDT, 2 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
540 PM EDT SAT APR 24 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
415 PM UNIDILLA GA 0.75 INCH HAIL
04/24/99 DOOLY
430 PM UNIDILLA GA 0.75 INCH HAIL
04/24/99 DOOLY
536 PM WILLIAMSON GA 1.00 INCH HAIL
04/24/99 PIKE
539 PM WILLIAMSON GA 1.00 INCH HAIL
04/24/99 PIKELocal storm report, Apr 24, 6:33 PM EDT, 1 hour 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
607 PM EDT WED APR 7 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
507-529 WARNER ROBINS GA NUMEROUS REPORTS OF HAIL
PM HOUSTON STONES FROM 0.75 INCH TO 2.0
04/07/99 INCH DIAMETER
512 PM MACON GA 0.75 INCH HAIL
04/07/99 BIBB
620 PM ZEBULON GA 0.75 INCH HAIL
04/24/99 PIKE
620 PM ZEBULON GA 0.75 INCH HAIL
04/24/99 PIKELocal storm report, Apr 24, 6:35 PM EDT, 1 hour 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
635 PM EDT SAT APR 24 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
620 PM ZEBULON GA 0.75 INCH HAIL
04/24/99 PIKE
621 PM ZEBULON GA 0.75 INCH HAIL
04/24/99 PIKELocal storm report, Apr 24, 6:50 PM EDT, 1 hour 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
650 PM EDT SAT APR 24 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
601 PM SWAINSBORO GA 0.88 INCH HAIL
04/24/99 EMANUELLocal storm report, Apr 24, 7:25 PM EDT, 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
725 PM EDT SAT APR 24 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
648 PM 6E WRIGHTSVILLE GA 1.00 INCH HAIL
04/24/99 JOHNSON
708 PM WRIGHTSVILLE GA 1.00 INCH HAIL
04/24/99 JOHNSON
642 PM OCONEE GA 0.75 INCH HAIL
04/24/99 WASHINGTON
650 PM 5SW WRIGHTSVILLE GA 1.25 INCH HAIL
04/24/99 JOHNSON
650 PM WRIGHTSVILLE GA 0.75 INCH HAIL
04/24/99 JOHNSON
705 PM WRIGHTSVILLE GA 2.00 INCH HAIL
04/24/99 JOHNSON BROKE WINDOWS IN HOUSE
DAMAGED TRUCKLocal storm report, Apr 24, 7:25 PM EDT, 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
725 PM EDT SAT APR 24 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
648 PM 6E WRIGHTSVILLE GA 1.00 INCH HAIL
04/24/99 JOHNSON
708 PM WRIGHTSVILLE GA 1.00 INCH HAIL
04/24/99 JOHNSON
642 PM OCONEE GA 0.75 INCH HAIL
04/24/99 WASHINGTON
650 PM 5SW WRIGHTSVILLE GA 1.25 INCH HAIL
04/24/99 JOHNSON
650 PM WRIGHTSVILLE GA 0.75 INCH HAIL
04/24/99 JOHNSON
705 PM WRIGHTSVILLE GA 2.00 INCH HAIL
04/24/99 JOHNSON BROKE WINDOWS IN HOUSE
DAMAGED TRUCKThe office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 8:43 PM EDT | Severe Thunderstorm Warning | FFC | Johnson | 37 min |
| Apr 24, 9:04 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel | 46 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; radar from the NEXRAD Level II archive.