Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 24, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jan 23, 1999, 12:35 PM EST for Montgomery County, Georgia. It was in force for 35 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 23, 1999, 12:35 PM EST (17:35 UTC)
- Expired
- Jan 23, 1999, 1:10 PM EST
- In force
- 35 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Montgomery County, GA
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 5.6 hours before the alert went out and 202 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
- 1041 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 565 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 204 m²/s²
- 0-3 km storm-relative helicity
- 258 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 231735 RRA SVRATL GAC209-231810- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1235 PM EST SAT JAN 23 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MONTGOMERY IN CENTRAL GEORGIA * UNTIL 110 PM EST * AT 1234 PM EST... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 5 MILES WEST OF HIGGSTON... MOVING NORTHEAST AT 30 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... HIGGSTON AROUND 1240 PM EST KIBBEE AROUND 1245 PM EST TARRYTOWN AROUND 1245 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. $$ DH/DH
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 23, 8:00 AM EST, 4 hours 35 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-230600- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 800 AM EST SAT JAN 23 1999 THERE IS A SLIGHT CHANCE OF AN ISOLATED SEVERE THUNDERSTORM OVER NORTH AND CENTRAL GEORGIA THIS MORNING. THE GREATEST THREAT IS EAST OF A LINE FROM BLUE RIDGE TO ATLANTA TO AMERICUS THIS MORNING. A LINE OF THUNDERSTORMS WILL MOVE ACROSS THE STATE THIS MORNING. ISOLATED SEVERE THUNDERSTORMS MAY ACCOMPANY THE LINE. THE LINE SHOULD BE EAST OF GEORGIA BY NOON. NO FURTHER SEVERE CONNECTIVE ACTIVITY IS EXPECTED AFTER THE LINE PASSES. HOWEVER...THUNDERSTORMS CLOUD DEVELOP BEHIND THE LINE THIS AFTERNOON. THE NATIONAL WEATHER SERVICE WILL MONITOR THIS SITUATION. STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE AVAILABLE FOR ACTIVATION THIS MORNING.
Special weather statement, Jan 23, 8:00 AM EST, 4 hours 35 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-230600- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 800 AM EST SAT JAN 23 1999 THERE IS A SLIGHT CHANCE OF AN ISOLATED SEVERE THUNDERSTORM OVER NORTH AND CENTRAL GEORGIA THIS MORNING. THE GREATEST THREAT IS EAST OF A LINE FROM BLUE RIDGE TO ATLANTA TO AMERICUS THIS MORNING. A LINE OF THUNDERSTORMS WILL MOVE ACROSS THE STATE THIS MORNING. ISOLATED SEVERE THUNDERSTORMS MAY ACCOMPANY THE LINE. THE LINE SHOULD BE EAST OF GEORGIA BY NOON. NO FURTHER SEVERE CONNECTIVE ACTIVITY IS EXPECTED AFTER THE LINE PASSES. HOWEVER...THUNDERSTORMS CLOUD DEVELOP BEHIND THE LINE THIS AFTERNOON. THE NATIONAL WEATHER SERVICE WILL MONITOR THIS SITUATION. STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE AVAILABLE FOR ACTIVATION THIS MORNING.
Special weather statement, Jan 23, 8:10 AM EST, 4 hours 25 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-232000- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE PEACHTREE CITY GA 810 AM EST SAT JAN 23 1999 THERE IS A SLIGHT CHANCE OF AN ISOLATED SEVERE THUNDERSTORM OVER NORTH AND CENTRAL GEORGIA THIS MORNING. THE GREATEST THREAT IS EAST OF A LINE FROM BLUE RIDGE TO ATLANTA TO AMERICUS THIS MORNING. A LINE OF THUNDERSTORMS WILL MOVE ACROSS THE STATE THIS MORNING. ISOLATED SEVERE THUNDERSTORMS MAY ACCOMPANY THE LINE. THE LINE SHOULD BE EAST OF GEORGIA BY NOON. NO FURTHER SEVERE ACTIVITY IS EXPECTED AFTER THE LINE PASSES. HOWEVER...THUNDERSTORMS COULD DEVELOP BEHIND THE LINE THIS AFTERNOON. THE NATIONAL WEATHER SERVICE WILL MONITOR THIS SITUATION. STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE AVAILABLE FOR ACTIVATION THIS MORNING.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 23, 4:59 AM EST | Severe Thunderstorm Warning | FFC | Haralson | 31 min |
| Jan 23, 5:49 AM EST | Severe Thunderstorm Warning | FFC | Coweta | 36 min |
| Jan 23, 6:11 AM EST | Severe Thunderstorm Warning | FFC | Clayton, Fulton | 34 min |
| Jan 23, 10:32 AM EST | Severe Thunderstorm Warning | FFC | Wilcox | 33 min |
| Jan 23, 11:43 AM EST | Severe Thunderstorm Warning | FFC | Laurens | 32 min |
| Jan 23, 12:57 PM EST | Severe Thunderstorm Warning | FFC | Emanuel, Toombs, Treutlen | 48 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.