Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 1, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jan 17, 1999, 5:18 PM EST for Sumter County, Webster County, Georgia. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 17, 1999, 5:18 PM EST (22:18 UTC)
- Expired
- Jan 17, 1999, 5:50 PM EST
- In force
- 32 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Sumter County, GA, Webster County, GA
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.3 hours before the alert went out and 148 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
- 1480 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KATL 172221 RRA SVRATL GAC261-307-172250- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 518 PM EST SUN JAN 17 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SUMTER COUNTY IN WEST CENTRAL GEORGIA WEBSTER COUNTY IN WEST CENTRAL GEORGIA * UNTIL 550 PM EST * AT 517 PM EST... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 13 MILES SOUTHWEST OF PLAINS... MOVING NORTHEAST AT 30 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... PLAINS AROUND 540 PM EST SUMTER AROUND 545 PM EST FRIENDSHIP AROUND 545 PM EST CONCORD AROUND 550 PM EST DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. IF YOU SEE DAMAGE OR LARGE HAIL...CALL THE NATIONAL WEATHER SERVICE AT 770.486.1133 EXTENSION 204. $$ LEW
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, Jan 17, 12:31 PM EST, 4 hours 47 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-180300- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1231 PM EST SUN JAN 17 1999 AN ISOLATED SEVERE THUNDERSTORM IS POSSIBLE OVER NORTH AND MOST OF CENTRAL GEORGIA LATE THIS AFTERNOON AND INTO THIS EVENING. THE GREATEST THREAT IS FOR THE AREA WEST OF A LINE FROM BLUERIDGE TO ATLANTA TO LAGRANGE. SHOWERS AND A FEW THUNDERSTORMS ARE EXPECTED TO SPREAD ACROSS THE STATE FROM ALABAMA LATER THIS AFTERNOON AND CONTINUE INTO TONIGHT WELL HEAD OF A COLD FRONT THAT WILL MOVE INTO NORTHWEST GEORGIA SUNDAY MORNING. THE MOST LIKELY TIME FOR THE DEVELOPMENT OF AN ISOLATED SEVERE STORM ASSOCIATED WITH THIS SYSTEM WILL BE BETWEEN 6 PM AND 10 PM EST. THE MOST LIKELY DANGER ASSOCIATED WITH THE THUNDERSTORMS WILL BE DAMAGING WINDS. THE NATIONAL WEATHER SERVICE WILL MONITOR THIS SITUATION. STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE AVAILABLE FOR ACTIVATION LATER THIS AFTERNOON AND EVENING IN THE EVENT THE THUNDERSTORMS BECOME SEVERE.
Special weather statement, Jan 17, 12:40 PM EST, 4 hours 38 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-180300- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1240 PM EST SUN JAN 17 1999 AN ISOLATED SEVERE THUNDERSTORM IS POSSIBLE OVER NORTH AND MOST OF CENTRAL GEORGIA LATE THIS AFTERNOON AND INTO THIS EVENING. THE GREATEST THREAT IS FOR THE AREA WEST OF A LINE FROM BLUERIDGE TO ATLANTA TO LAGRANGE. SHOWERS AND A FEW THUNDERSTORMS ARE EXPECTED TO SPREAD ACROSS THE STATE FROM ALABAMA LATER THIS AFTERNOON AND CONTINUE INTO TONIGHT WELL HEAD OF A COLD FRONT THAT WILL MOVE INTO NORTHWEST GEORGIA MONDAY MORNING. THE MOST LIKELY TIME FOR THE DEVELOPMENT OF AN ISOLATED SEVERE STORM ASSOCIATED WITH THIS SYSTEM WILL BE BETWEEN 6 PM AND 10 PM EST. THE MOST LIKELY DANGER ASSOCIATED WITH THE THUNDERSTORMS WILL BE DAMAGING WINDS. THE NATIONAL WEATHER SERVICE WILL MONITOR THIS SITUATION. STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE AVAILABLE FOR ACTIVATION LATER THIS AFTERNOON AND EVENING IN THE EVENT THE THUNDERSTORMS BECOME SEVERE.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 6:06 PM EST | Severe Thunderstorm Warning | FFC | Crisp, Sumter | 49 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1999Every severe thunderstorm warning in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.