Alert archive / Georgia / Tornado Warnings in 1998

Tornado Warning 54, NWS Atlanta, GA

April 18, 1998Catoosa County, Walker County, Georgia

NWS Atlanta, GA issued this tornado warning at Apr 18, 1998, 8:50 PM EDT for Catoosa County, Walker County, Georgia. It was in force for 50 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 18, 1998, 8:50 PM EDT (00:50 UTC)
Expired: Apr 18, 1998, 9:40 PM EDT
In force: 50 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Catoosa County, GA, Walker County, GA

What was reported inside it

Time	Report	Where	Remark
Apr 18, 9:00 PM EDT	Hail 0.75	Cedar Grove, GA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 18, 8:45 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.8 hours before the alert went out and 174 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 589 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1082 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 280 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 4.5

Open this sounding in Storm Lab

The text

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

138 
WFUS1 KATL 190052 RRA
TORATL
GAC047-295-190140-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
850 PM EDT SAT APR 18 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  CATOOSA COUNTY IN NORTHWESTERN GEORGIA
  WALKER COUNTY IN NORTHWESTERN GEORGIA

* UNTIL 940 PM EDT

* SOME LOCATIONS IN THE PATH OF THIS TORNADO ARE...
    HIGH POINT                  AROUND 855 PM EDT
    HINKLES                     AROUND 855 PM EDT
    NOBLE                       AROUND 855 PM EDT
    CHICKAMAUGA                 AROUND 900 PM EDT
    ROCK SPRING                 AROUND 900 PM EDT
    CHICKAMAUGA NAT BATTLEFIELD AROUND 905 PM EDT
    FORT OGLETHORPE             AROUND 905 PM EDT
    RINGGOLD                    AROUND 910 PM EDT

* AT 849 PM EDT...  6 MILES WEST OF CEDAR GROVE... A TORNADO WAS
  INDICATED BY DOPPLER RADAR... MOVING NORTHEAST 50 MPH.

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.


PAH/GMB

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 18, 8:42 PM EDT	Tornado Warning	FFC	Dade	33 min
Apr 18, 9:40 PM EDT	Tornado Warning	FFC	Walker, Whitfield	35 min
Apr 18, 10:16 PM EDT	Tornado Warning	FFC	Floyd	34 min
Apr 18, 10:50 PM EDT	Severe Thunderstorm Warning	FFC	Gordon	35 min
Apr 18, 11:03 PM EDT	Tornado Warning	FFC	Gordon	32 min
Apr 18, 11:54 PM EDT	Flash Flood Warning	FFC	Whitfield	2 hr
Apr 19, 1:22 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Houston, Twiggs	33 min
Apr 19, 1:35 PM EDT	Severe Thunderstorm Warning	FFC	Jones	35 min
Apr 19, 1:46 PM EDT	Tornado Warning	FFC	Jones, Twiggs	34 min
Apr 19, 1:46 PM EDT	Tornado Warning	FFC	Baldwin	34 min
Apr 19, 2:20 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Hancock	35 min
Apr 19, 2:49 PM EDT	Severe Thunderstorm Warning	FFC	Hancock, Warren	31 min

Nearby

Tornado Warnings in Georgia, 1998 Every tornado warning in 1998 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.