Alert archive / Georgia / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 776, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jun 26, 1998, 6:30 PM EDT for Oconee County, Georgia. It was in force for 35 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 26, 1998, 6:30 PM EDT (22:30 UTC)
- Expired
- Jun 26, 1998, 7:05 PM EDT
- In force
- 35 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Oconee County, GA
The radar
The Atlanta radar (KFFC), 117 km from the middle of the area, began a volume at 22:33 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 26, 6:30 PM EDT | Hail 1 | Watkinsville, GA | Several public reports of dime to quarter size hail were received from in and around the Watkinsville area. |
| Jun 26, 6:35 PM EDT | Thunderstorm Wind | Watkinsville, GA | The public reported several trees were blown down and uprooted. |
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 12:00Z, 10.5 hours before the alert went out and 111 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
- 221 J/kg
- Mixed-layer CIN
- -287 J/kg
- Mixed-layer LCL
- 1353 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
580 WUUS1 KATL 262230 RRA SVRATL GAC219-262305- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 630 PM EDT FRI JUN 26 1998 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... OCONEE COUNTY IN NORTHEASTERN GEORGIA * UNTIL 705 PM EDT * AT 630 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 3 MILES WEST OF WATKINSVILLE MOVING SOUTHEAST AT LESS THAN 5 MPH. WHEN THUNDERSTORMS ARE OCCURRING...LIGHTNING POSES A SERIOUS DANGER. STAY INDOORS AND AWAY FROM WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. IF BOATING OR SWIMMING...GET TO LAND QUICKLY AND FIND SHELTER. IF IN THE OPEN FIND A LOW SPOT AWAY FROM TREES...FENCES...AND POLES. 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 |
|---|---|---|---|---|
| Jun 25, 8:19 PM EDT | Severe Thunderstorm Warning | FFC | Coweta | 36 min |
| Jun 25, 9:06 PM EDT | Severe Thunderstorm Warning | FFC | Carroll | 34 min |
| Jun 26, 4:05 PM EDT | Severe Thunderstorm Warning | FFC | White | 35 min |
| Jun 26, 5:01 PM EDT | Severe Thunderstorm Warning | FFC | Banks | 34 min |
| Jun 26, 5:34 PM EDT | Severe Thunderstorm Warning | FFC | Banks | 36 min |
| Jun 26, 5:55 PM EDT | Severe Thunderstorm Warning | FFC | Madison | 35 min |
| Jun 26, 6:43 PM EDT | Severe Thunderstorm Warning | FFC | Hancock | 32 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1998Every severe thunderstorm warning in 1998
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.