Alert archive / Georgia / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 783, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jun 30, 1998, 8:46 PM EDT for Fulton County, Georgia. It was in force for 34 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 30, 1998, 8:46 PM EDT (00:46 UTC)
- Expired
- Jun 30, 1998, 9:20 PM EDT
- In force
- 34 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Fulton County, GA
The radar
The Atlanta radar (KFFC), 48 km from the middle of the area, began a volume at 00:47 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 30, 9:00 PM EDT | Thunderstorm Wind | Alpharetta, GA | The public reported 2 trees were blown down, and a spotter reported large limbs down and power outages. |
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, 0.8 hours before the alert went out and 47 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
- 1323 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1608 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 49 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 010046 RRA SVRATL GAC121-010120- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 846 PM EDT TUE JUN 30 1998 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... FULTON COUNTY IN NORTHWESTERN GEORGIA * UNTIL 920 PM EDT * AT 845 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 3 MILES NORTHWEST OF ATLANTA MOVING SOUTHEAST AT 40 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... PIEDMONT PARK AROUND 845 PM EDT EAST POINT AROUND 850 PM EDT ATLANTA AROUND 850 PM EDT GRANT PARK AROUND 850 PM EDT HAPEVILLE AROUND 850 PM EDT SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. 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. PAH
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 8:15 PM EDT | Severe Thunderstorm Warning | FFC | Gwinnett | 35 min |
| Jun 30, 8:24 PM EDT | Severe Thunderstorm Warning | FFC | Douglas | 36 min |
| Jun 30, 8:57 PM EDT | Severe Thunderstorm Warning | FFC | Clayton | 33 min |
| Jun 30, 9:04 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb | 36 min |
| Jun 30, 9:11 PM EDT | Severe Thunderstorm Warning | FFC | Newton, Rockdale | 34 min |
| Jun 30, 9:14 PM EDT | Severe Thunderstorm Warning | FFC | Henry | 36 min |
| Jun 30, 9:29 PM EDT | Severe Thunderstorm Warning | FFC | Butts, Jasper | 46 min |
| Jun 30, 10:26 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Gordon | 34 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.