Alert archive / Georgia / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 251, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 21, 1998, 5:39 PM EDT for Fulton County, Georgia. It was in force for 46 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
- Apr 21, 1998, 5:39 PM EDT (21:39 UTC)
- Expired
- Apr 21, 1998, 6:25 PM EDT
- In force
- 46 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 21:39 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 |
|---|---|---|---|
| Apr 21, 5:45 PM EDT | Hail 0.75 | Alpharetta, GA | Hail up to dime size was reported. It covered the ground in some areas. |
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, 9.7 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1015 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 123 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 212139 RRA SVRATL GAC117-121-135-139-212225- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 539 PM EDT TUE APR 21 1998 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN FORSYTH COUNTY IN NORTHWESTERN GEORGIA NORTHERN FULTON COUNTY IN NORTHWESTERN GEORGIA GWINNETT COUNTY IN NORTHWESTERN GEORGIA SOUTHERN HALL COUNTY IN NORTHEASTERN GEORGIA * UNTIL 625 PM EDT * SOME LOCATIONS IN THE PATH OF THIS STORM ARE... DULUTH AROUND 540 PM EDT SUWANEE AROUND 600 PM EDT CUMMING AROUND 615 PM EDT * AT 537 PM EDT... FROM NORTHERN FULTON TO EASTERN DEKALB COUNTY... A CLUSTER OF SEVERE THUNDERSTORMS WAS INDICATED BY DOPPLER RADAR...MOVING NORTHEAST 15 MPH. WS/MPM 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 |
|---|---|---|---|---|
| Apr 21, 4:23 PM EDT | Severe Thunderstorm Warning | FFC | Morgan | 32 min |
| Apr 21, 4:51 PM EDT | Severe Thunderstorm Warning | FFC | Walton | 34 min |
| Apr 21, 5:26 PM EDT | Severe Thunderstorm Warning | FFC | Jasper | 34 min |
| Apr 21, 5:39 PM EDT | Severe Thunderstorm Warning | FFC | Forsyth, Gwinnett, Hall | 46 min |
| Apr 21, 5:59 PM EDT | Severe Thunderstorm Warning | FFC | Jasper, Putnam | 51 min |
| Apr 21, 6:09 PM EDT | Severe Thunderstorm Warning | FFC | Morgan | 31 min |
| Apr 21, 6:50 PM EDT | Severe Thunderstorm Warning | FFC | Jasper, Putnam | 50 min |
| Apr 21, 7:00 PM EDT | Severe Thunderstorm Warning | FFC | Greene | 35 min |
| Apr 21, 7:23 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin, Jones | 47 min |
| Apr 21, 7:47 PM EDT | Severe Thunderstorm Warning | FFC | Hancock, Putnam | 48 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.