Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 23, NWS Atlanta, GA

January 23, 1999Laurens County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jan 23, 1999, 11:43 AM EST for Laurens 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 23, 1999, 11:43 AM EST (16:43 UTC)
Expired
Jan 23, 1999, 12:15 PM EST
In force
32 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Laurens County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 4.7 hours before the alert went out and 178 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 1999-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 210 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 1999-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 345 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
210 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
543 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
345 m²/s²
0-3 km storm-relative helicity
391 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KATL 231643 RRA
SVRATL
GAC175-231715-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1143 AM EST SAT JAN 23 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAURENS COUNTY IN CENTRAL GEORGIA

* UNTIL 1215 PM EST

* AT 1142 AM EST... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  13 MILES SOUTHWEST OF ROCKLEDGE... MOVING NORTHEAST AT 40
  MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   MINTER                      AROUND 1155 AM EST
   ROCKLEDGE                   AROUND NOON EST

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. 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, 3 hours 43 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, 3 hours 43 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, 3 hours 33 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.

IssuedProductOfficeCountiesLasted
Jan 23, 4:59 AM ESTSevere Thunderstorm WarningFFCHaralson31 min
Jan 23, 5:49 AM ESTSevere Thunderstorm WarningFFCCoweta36 min
Jan 23, 6:11 AM ESTSevere Thunderstorm WarningFFCClayton, Fulton34 min
Jan 23, 10:32 AM ESTSevere Thunderstorm WarningFFCWilcox33 min
Jan 23, 12:35 PM ESTSevere Thunderstorm WarningFFCMontgomery35 min
Jan 23, 12:57 PM ESTSevere Thunderstorm WarningFFCEmanuel, Toombs, Treutlen48 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.