Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 24, NWS Atlanta, GA

January 23, 1999Montgomery County, Georgia

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.

Skew-T log-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 1999-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1041 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, Jacksonville, FL at 12:00Z on 1999-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 204 square meters per square second.19395878Sfc1 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
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

Open this sounding in Storm Lab

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.

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, 11:43 AM ESTSevere Thunderstorm WarningFFCLaurens32 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.