Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 293, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jun 4, 1999, 4:18 PM EDT for Dade 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
- Jun 4, 1999, 4:18 PM EDT (20:18 UTC)
- Expired
- Jun 4, 1999, 4:55 PM EDT
- In force
- 37 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Dade County, GA
The radar
The Northeast Alabama radar (KHTX), 54 km from the middle of the area, began a volume at 20:18 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 |
|---|---|---|---|
| Jun 4, 4:20 PM EDT | Hail 0.75 | Wildwood, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 4, 1:45 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 8.3 hours before the alert went out and 173 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
- 783 J/kg
- Mixed-layer CIN
- -156 J/kg
- Mixed-layer LCL
- 1034 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 197 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 042020 SVRATL GAC083-042055- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 418 PM EDT FRI JUN 4 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... DADE COUNTY IN NORTHWESTERN GEORGIA * UNTIL 455 PM EDT * AT 418 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 2 MILES NORTH OF NEW ENGLAND... MOVING SOUTH AT 10 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... NEW ENGLAND AROUND 425 PM... TRENTON AROUND 440 PM... 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
Special weather statement, Jun 4, 12:20 PM EDT, 3 hours 58 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-041715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1220 PM EDT FRI JUN 4 1999 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON OVER MOST OF NORTH AND CENTRAL GEORGIA. THE AREA HAVING THE GREATEST THREAT WILL BE SOUTHEAST OF A LINE FROM ELBERTON TO MONROE TO AMERICUS...BUT SEVERE STORMS CANNOT BE RULED OUT ANYWHERE IN THE STATE TODAY. A MOIST AND UNSTABLE AIRMASS REMAINS IN PLACE OVER THE SOUTHEASTERN STATES. AFTERNOON TEMPERATURES IN THE 80S TO LOWER 90S AND A SLOW MOVING FRONTAL SYSTEM WILL COMBINE TO TRIGGER SCATTERED SHOWERS AND THUNDERSTORMS. SOME STORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS ABOVE 50 MPH BEING THE PRIMARY THREAT. SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD MONITOR WEATHER CONDITIONS THIS AFTERNOON IN CASE ACTIVATION BECOMES NECESSARY.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 12:53 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga, Floyd | 32 min |
| Jun 4, 1:24 PM EDT | Severe Thunderstorm Warning | FFC | Floyd | 31 min |
| Jun 4, 1:43 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga | 17 min |
| Jun 4, 1:45 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Walker | 50 min |
| Jun 4, 1:48 PM EDT | Severe Thunderstorm Warning | FFC | Polk | 47 min |
| Jun 4, 1:49 PM EDT | Severe Thunderstorm Warning | FFC | Floyd | 36 min |
| Jun 4, 2:26 PM EDT | Severe Thunderstorm Warning | FFC | Floyd | 19 min |
| Jun 4, 2:30 PM EDT | Severe Thunderstorm Warning | FFC | Walker | 35 min |
| Jun 4, 2:35 PM EDT | Severe Thunderstorm Warning | FFC | Polk | 35 min |
| Jun 4, 3:08 PM EDT | Severe Thunderstorm Warning | FFC | Dade, Walker | 47 min |
| Jun 4, 3:08 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga | 47 min |
| Jun 4, 3:09 PM EDT | Severe Thunderstorm Warning | FFC | Floyd | 36 min |
| Jun 4, 3:19 PM EDT | Flash Flood Warning | FFC | Floyd | 2 hr |
| Jun 4, 3:21 PM EDT | Severe Thunderstorm Warning | FFC | Haralson, Polk | 34 min |
| Jun 4, 3:25 PM EDT | Tornado Warning | FFC | Haralson | 20 min |
| Jun 4, 3:36 PM EDT | Severe Thunderstorm Warning | FFC | Carroll | 34 min |
| Jun 4, 3:55 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga | 20 min |
| Jun 4, 4:01 PM EDT | Severe Thunderstorm Warning | FFC | Floyd | 19 min |
| Jun 4, 4:04 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, Fayette | 36 min |
| Jun 4, 4:13 PM EDT | Severe Thunderstorm Warning | FFC | Henry, Spalding | 32 min |
| Jun 4, 4:16 PM EDT | Severe Thunderstorm Warning | FFC | Madison | 34 min |
| Jun 4, 4:49 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 36 min |
| Jun 4, 4:55 PM EDT | Severe Thunderstorm Warning | FFC | Walker | 35 min |
| Jun 4, 5:03 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa | 32 min |
| Jun 4, 5:05 PM EDT | Severe Thunderstorm Warning | FFC | Dade | 35 min |
| Jun 4, 5:23 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 32 min |
| Jun 4, 5:28 PM EDT | Severe Thunderstorm Warning | FFC | Walker | 37 min |
| Jun 4, 5:30 PM EDT | Severe Thunderstorm Warning | FFC | Dade | 35 min |
| Jun 4, 5:38 PM EDT | Severe Thunderstorm Warning | FFC | Greene | 32 min |
| Jun 4, 5:40 PM EDT | Severe Thunderstorm Warning | FFC | Clarke, Oconee | 35 min |
| Jun 4, 5:47 PM EDT | Severe Thunderstorm Warning | FFC | Meriwether, Upson | 33 min |
| Jun 4, 5:48 PM EDT | Severe Thunderstorm Warning | FFC | Talbot | 37 min |
| Jun 4, 6:07 PM EDT | Severe Thunderstorm Warning | FFC | Greene | 48 min |
| Jun 4, 6:13 PM EDT | Severe Thunderstorm Warning | FFC | Greene, Oconee | 32 min |
| Jun 4, 6:20 PM EDT | Severe Thunderstorm Warning | FFC | Talbot | 35 min |
| Jun 4, 6:23 PM EDT | Severe Thunderstorm Warning | FFC | Morgan | 37 min |
| Jun 4, 6:26 PM EDT | Severe Thunderstorm Warning | FFC | Greene, Hancock, Putnam | 49 min |
| Jun 4, 6:28 PM EDT | Severe Thunderstorm Warning | FFC | Jasper, Newton | 32 min |
| Jun 4, 6:31 PM EDT | Severe Thunderstorm Warning | FFC | Marion, Taylor | 49 min |
| Jun 4, 6:52 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin | 33 min |
| Jun 4, 7:06 PM EDT | Severe Thunderstorm Warning | FFC | Bleckley, Twiggs | 34 min |
| Jun 4, 7:15 PM EDT | Severe Thunderstorm Warning | FFC | Dooly | 35 min |
| Jun 4, 7:16 PM EDT | Severe Thunderstorm Warning | FFC | Putnam | 34 min |
| Jun 4, 7:19 PM EDT | Severe Thunderstorm Warning | FFC | Wilkinson | 51 min |
| Jun 4, 7:23 PM EDT | Severe Thunderstorm Warning | FFC | Sumter | 37 min |
| Jun 4, 7:27 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin | 33 min |
| Jun 4, 7:40 PM EDT | Severe Thunderstorm Warning | FFC | Webster | 35 min |
| Jun 4, 7:43 PM EDT | Tornado Warning | FFC | Wilkinson | 17 min |
| Jun 4, 7:56 PM EDT | Severe Thunderstorm Warning | FFC | Crisp | 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; radar from the NEXRAD Level II archive.