Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 285, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jun 4, 1999, 3:09 PM EDT for Floyd 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
- Jun 4, 1999, 3:09 PM EDT (19:09 UTC)
- Expired
- Jun 4, 1999, 3:45 PM EDT
- In force
- 36 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Floyd County, GA
The radar
The Northeast Alabama radar (KHTX), 109 km from the middle of the area, began a volume at 19:10 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 |
|---|---|---|---|
| Jun 4, 3:10 PM EDT | Hail 1 | Lindale, 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.2 hours before the alert went out and 119 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
- 495 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 1103 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 041910 SVRATL GAC115-041945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 309 PM EDT FRI JUN 4 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN FLOYD COUNTY IN NORTHWESTERN GEORGIA * UNTIL 345 PM EDT * AT 309 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 3 MILES WEST OF LINDALE... MOVING SOUTH AT 10 MPH. * THIS STORM WILL REMAIN OVER MAINLY RURAL AREAS. THIS THUNDERSTORM IS PRODUCING VERY HEAVY RAIN THAT MAY FLOOD ROADS QUICKLY. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. IF YOU SEE FLOODING...LARGE HAIL OR WIND DAMAGE...CALL THE NATI|ONAL 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, 2 hours 49 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, 3:19 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, 4:18 PM EDT | Severe Thunderstorm Warning | FFC | Dade | 37 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.