Alert archive / Georgia / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 324, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jun 18, 1997, 1:36 PM EDT for Johnson County, Washington County, Georgia. It was in force for 39 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 18, 1997, 1:36 PM EDT (17:36 UTC)
- Expired
- Jun 18, 1997, 2:15 PM EDT
- In force
- 39 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Johnson County, GA, Washington County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 18, 2:00 PM EDT | Thunderstorm Wind | Sandersville, GA | Several trees were downed on Georgia Highway 15 (southbound). |
| Jun 18, 2:05 PM EDT | Thunderstorm Wind | Wrightsville, GA | Two trees were knocked down on Georgia Highways 15 and 57. |
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 18, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.6 hours before the alert went out and 175 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
- 128 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 907 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 181738 RRA SVRATL GAC167-303-181815- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 136 PM EDT WED JUN 18 1997 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 215 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL GEORGIA ...JOHNSON COUNTY...WASHINGTON COUNTY AT 133 PM RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM EASTERN WILKINSON COUNTY TO LAURENS COUNTY. THIS LINE OF STORMS WAS MOVING EAST AT 30 MPH. THESE STORMS DOWNED TREES OVER SOUTHERN WILKINSON COUNTY. 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.
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 18, 12:07 PM EDT, 1 hour 29 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-182100- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1207 PM EDT WED JUN 18 1997 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER NORTH AND CENTRAL GERGIA THIS AFTERNOON AND EVENING. HIGH VALUES OF CONVECTIVE AVAILABLE POTENTIAL ENERGY...AS WELL AS LOW WET BULB ZERO LEVELS ACROSS THE SOUTHERN HALF OF GEORGIA WILL CREATE AN ENVIRONMENT FAVORABLE TO THE DEVELOPMENT OF STRONG THUNDERSTORMS THIS AFTERNOON AND EVENING. STRONG STORMS WILL BEGIN OVER CENTRAL AND SOUTH GEORGIA WHERE A LINE OF THUNDERSTORMS AND HIGHER INSTABILITY EXIST...THEN LATER DEVELOPING OVER PORTIONS OF NORTH GEORGIA AS A SHORTWAVE BRINGS STRONG DYNAMIC LIFT OVER THE AREA. SPOTTERS SHOULD REMAIN ALERT IN CASE ACTIVATION IS NEEDED. EMERGENCY MANAGEMENT PERSONNEL SHOULD MONITOR THE SITUATION BY BEING ALERT TO FURTHER STATEMENTS...SHORT TERM FORECASTS...AS WELL AS ANY WATCHES OR WARNINGS ISSUED BY THIS OFFICE. 99
Special weather statement, Jun 18, 12:10 PM EDT, 1 hour 26 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-182100- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1207 PM EDT WED JUN 18 1997 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER NORTH AND CENTRAL GERGIA THIS AFTERNOON AND EVENING. HIGH VALUES OF CONVECTIVE AVAILABLE POTENTIAL ENERGY...AS WELL AS LOW WET BULB ZERO LEVELS ACROSS THE SOUTHERN HALF OF GEORGIA WILL CREATE AN ENVIRONMENT FAVORABLE TO THE DEVELOPMENT OF STRONG THUNDERSTORMS THIS AFTERNOON AND EVENING. STRONG STORMS WILL BEGIN OVER CENTRAL AND SOUTH GEORGIA WHERE A LINE OF THUNDERSTORMS AND HIGHER INSTABILITY EXIST...THEN LATER DEVELOPING OVER PORTIONS OF NORTH GEORGIA AS A SHORTWAVE BRINGS STRONG DYNAMIC LIFT OVER THE AREA. SPOTTERS SHOULD REMAIN ALERT IN CASE ACTIVATION IS NEEDED. EMERGENCY MANAGEMENT PERSONNEL SHOULD MONITOR THE SITUATION BY BEING ALERT TO FURTHER STATEMENTS...SHORT TERM hFORECASTS...AS WELL AS ANY WATCHES OR WARNINGS ISSUED BY THIS OFFICE. 99
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 12:57 PM EDT | Severe Thunderstorm Warning | FFC | Bleckley, Twiggs | 33 min |
| Jun 18, 1:13 PM EDT | Severe Thunderstorm Warning | FFC | Wilkinson | 32 min |
| Jun 18, 1:25 PM EDT | Severe Thunderstorm Warning | FFC | Laurens | 35 min |
| Jun 18, 1:56 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Treutlen | 49 min |
| Jun 18, 2:03 PM EDT | Severe Thunderstorm Warning | FFC | Jefferson | 27 min |
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.