Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 567, NWS Atlanta, GA

August 8, 1999Heard County, Troup County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 8, 1999, 5:50 PM EDT for Heard County, Troup 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
Aug 8, 1999, 5:50 PM EDT (21:50 UTC)
Expired
Aug 8, 1999, 6:25 PM EDT
In force
35 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Heard County, GA, Troup County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.8 hours before the alert went out and 58 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 1999-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1999-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1652 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
-13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 082151 RRA
SVRATL
GAC149-285-082225-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
550 PM EDT SUN AUG 8 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN HEARD COUNTY IN NORTHWESTERN GEORGIA
  NORTHERN TROUP COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 625 PM EDT

* AT 549 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  13 MILES NORTHWEST OF LA GRANGE OR IN THE VICINITY OF
  GLENN... MOVING SOUTHEAST AT 10 MPH.

* THIS STORM WILL REMAIN OVER RURAL AREAS.

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 AT
EXTENSION 2 0 4.

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, Aug 8, 1:11 PM EDT, 4 hours 39 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-090100-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
111 PM EDT SUN AUG 8 1999

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EVENING ACROSS NORTH AND CENTRAL GEORGIA.

AN UPPER AIR DISTURBANCE WILL MOVE INTO EASTERN TENNESSEE AND
NORTH ALABAMA THIS AFTERNOON AND EVENING. SCATTERED THUNDERSTORMS
WILL DEVELOP ACROSS NORTH AND WEST GEORGIA THIS AFTERNOON...AND
SPREAD INTO CENTRAL GEORGIA THIS EVENING. SOME OF THESE THUNDERSTORMS
COULD BE SEVERE WITH THE MAIN THREAT BEING DAMAGING WINDS.

SPOTTERS AND EMERGENCY MANAGERS IN NORTH AND CENTRAL GEORGIA SHOULD
STAY BE PREPARED FOR POSSIBLE ACTIVATION.
Special weather statement, Aug 8, 1:11 PM EDT, 4 hours 39 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-090100-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
111 PM EDT SUN AUG 8 1999

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EVENING ACROSS NORTH AND CENTRAL GEORGIA.

AN UPPER AIR DISTURBANCE WILL MOVE INTO EASTERN TENNESSEE AND
NORTH ALABAMA THIS AFTERNOON AND EVENING. SCATTERED THUNDERSTORMS
WILL DEVELOP ACROSS NORTH AND WEST GEORGIA THIS AFTERNOON...AND
SPREAD INTO CENTRAL GEORGIA THIS EVENING. SOME OF THESE THUNDERSTORMS
COULD BE SEVERE WITH THE MAIN THREAT BEING DAMAGING WINDS.

SPOTTERS AND EMERGENCY MANAGERS IN NORTH AND CENTRAL GEORGIA SHOULD
STAY BE PREPARED FOR POSSIBLE ACTIVATION.

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.