Alert archive / Georgia / Tornado Warnings in 1998

Tornado Warning 99, NWS Atlanta, GA

September 29, 1998Johnson County, Georgia

NWS Atlanta, GA issued this tornado warning at Sep 29, 1998, 5:40 PM EDT for Johnson 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
Sep 29, 1998, 5:40 PM EDT (21:40 UTC)
Expired
Sep 29, 1998, 6:15 PM EDT
In force
35 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Johnson County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.7 hours before the alert went out and 187 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 1998-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 96 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 1998-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
96 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
765 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
42 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.

733 
WFUS1 KATL 292141 RRA
TORATL
GAC167-292215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
540 PM EDT TUE SEP 29 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  JOHNSON COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 615 PM EDT

* AT 539 PM EDT... A TORNADO WAS INDICATED BY DOPPLER RADAR  7
  MILES SOUTHEAST OF WRIGHTSVILLE MOVING NORTHWEST AT 25 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS TORNADO ARE...
    WRIGHTSVILLE                AROUND 555 PM EDT
    DONOVAN                     AROUND 600 PM EDT



IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...GO TO AN INTERIOR ROOM SUCH AS
A CLOSET OR BATHROOM ON THE LOWEST FLOOR. AVOID WINDOWS. USE
BLANKETS...PILLOWS...OR CUSHIONS TO COVER YOUR BODY. IF YOU
EXPERIENCE STORM DAMAGE TO STRUCTURES OR TREES...OR HAIL THE
SIZE OF DIMES OR LARGER...PLEASE REPORT IT BY CALLING THE NATIONAL
WEATHER SERVICE AT 770-486-8535.

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 29, 5:09 PM EDTTornado WarningFFCMacon, Schley31 min
Sep 29, 5:55 PM EDTSevere Thunderstorm WarningFFCEmanuel35 min
Sep 29, 6:05 PM EDTTornado WarningFFCSumter35 min
Sep 29, 6:41 PM EDTSevere Thunderstorm WarningFFCEmanuel, Johnson34 min
Sep 29, 6:46 PM EDTTornado WarningFFCMacon, Taylor34 min
Sep 29, 7:31 PM EDTTornado WarningFFCMontgomery, Wheeler34 min

Nearby

Tornado Warnings in Georgia, 1998Every tornado warning in 1998Tornadoes in 1998

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.