Alert archive / Georgia / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 22, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Feb 17, 1998, 5:29 AM EST for Heard 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
- Feb 17, 1998, 5:29 AM EST (10:29 UTC)
- Expired
- Feb 17, 1998, 6:00 AM EST
- In force
- 31 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Heard County, GA
The radar
The Atlanta radar (KFFC), 53 km from the middle of the area, began a volume at 10:31 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 |
|---|---|---|---|
| Feb 17, 5:45 AM EST | Hail 0.75 | Franklin, GA | Dime size hail was reported by Heard county 911. |
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, 10.5 hours before the alert went out and 59 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 468 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 334 m²/s²
- 0-3 km storm-relative helicity
- 408 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
396 WUUS1 KATL 171030 RRA SVRATL GAC149-171100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 529 AM EST TUE FEB 17 1998 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 AM EST FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST GEORGIA ...HEARD COUNTY AT 525 AM WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM MOVING NORTH AT 75 MPH. 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 DONT 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. BDL
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, Feb 17, 2:51 AM EST, 2 hours 38 minutes before
GAZ001>166-170850 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 350 AM EST TUE FEB 17 1998 TORNADO WATCH #41 FOR SOUTHEAST GEORGIA HAS BEEN CANCELLED. NO SEVERE WEATHER IS OCCURRING IN THIS AREA. SCATTERED THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS THE AREA THROUGH THE REMAINDER OF THE NIGHT... BUT THESE STORMS ARE NOT EXPECTED TO BE SEVERE.
Special weather statement, Feb 17, 3:50 AM EST, 1 hour 39 minutes before
GAZ001>166-170850 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 350 AM EST TUE FEB 17 1998 TORNADO WATCH 41 FOR SOUTHEAST GEORGIA HAS BEEN CANCELLED. NO SEVERE WEATHER IS OCCURRING IN THIS AREA. SCATTERED THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS THE AREA THROUGH THE REMAINDER OF THE NIGHT... BUT THESE STORMS ARE NOT EXPECTED TO BE SEVERE.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 5:46 AM EST | Severe Thunderstorm Warning | FFC | Carroll | 29 min |
| Feb 17, 6:17 AM EST | Severe Thunderstorm Warning | FFC | Polk | 58 min |
| Feb 17, 7:46 AM EST | Severe Thunderstorm Warning | FFC | Cobb, Fulton | 44 min |
| Feb 17, 8:17 AM EST | Severe Thunderstorm Warning | FFC | DeKalb | 28 min |
| Feb 17, 8:27 AM EST | Severe Thunderstorm Warning | FFC | Clayton, Henry, Rockdale | 33 min |
| Feb 17, 8:27 AM EST | Severe Thunderstorm Warning | FFC | Gwinnett | 33 min |
| Feb 17, 8:35 AM EST | Severe Thunderstorm Warning | FFC | Lumpkin | 25 min |
| Feb 17, 8:42 AM EST | Severe Thunderstorm Warning | FFC | Hall | 33 min |
| Feb 17, 8:44 AM EST | Severe Thunderstorm Warning | FFC | Spalding | 31 min |
| Feb 17, 8:50 AM EST | Severe Thunderstorm Warning | FFC | Banks, Jackson | 25 min |
| Feb 17, 8:50 AM EST | Severe Thunderstorm Warning | FFC | Barrow | 25 min |
| Feb 17, 8:59 AM EST | Severe Thunderstorm Warning | FFC | Newton, Rockdale | 31 min |
| Feb 17, 9:08 AM EST | Severe Thunderstorm Warning | FFC | Walton | 37 min |
| Feb 17, 10:07 AM EST | Severe Thunderstorm Warning | FFC | Oglethorpe | 38 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.