Alert archive / Georgia / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 399, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 23, 1997, 6:34 AM EDT for Cherokee County, Georgia. It was in force for 31 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
- Jul 23, 1997, 6:34 AM EDT (10:34 UTC)
- Expired
- Jul 23, 1997, 7:05 AM EDT
- In force
- 31 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Cherokee County, GA
The radar
The Atlanta radar (KFFC), 98 km from the middle of the area, began a volume at 10:38 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 |
|---|---|---|---|
| Jul 23, 6:45 AM EDT | Thunderstorm Wind | Canton, GA | Several trees were knocked down on Georgia Highway 140. |
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, 10.6 hours before the alert went out and 97 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
- 1723 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 524 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 113 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 231036 RRA SVRATL GAC057-231105- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 634 AM EDT WED JUL 23 1997 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY GA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 705 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWESTERN GEORGIA ...CHEROKEE COUNTY AT 632 AM EDT...A SEVERE THUNDERSTORM WAS INDICATED BY WEATHER RADAR 5 MILES SOUTH OF CANTON MOVING NORTH AT 15 MPH. SOME LOCATIONS IN THE PATH OF THIS STORM ARE... CANTON AROUND 651 AM EDT DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. BOATERS...GOLFERS...AND OTHERS INVOLVED IN OUTSIDE ACTIVITIES SHOULD SEEK SHELTER IMMEDIATELY. IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR TREES...OR HAIL THE SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER SERVICE BY CALLING 770-486-8535.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 1:30 AM EDT | Flash Flood Warning | FFC | Carroll, Haralson | 3 hr |
| Jul 23, 1:30 AM EDT | Flash Flood Warning | FFC | Heard | 3 hr |
| Jul 23, 8:11 AM EDT | Flash Flood Warning | FFC | Cobb, DeKalb, Fulton | 4 hr |
| Jul 23, 8:17 AM EDT | Flash Flood Warning | FFC | DeKalb, Fulton | 4 hr |
| Jul 23, 8:17 AM EDT | Flash Flood Warning | FFC | Cobb | 4 hr |
Nearby
Severe Thunderstorm Warnings in Georgia, 1997Every severe thunderstorm warning in 1997
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.