Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 353, NWS Atlanta, GA

July 4, 1997Dade County, Walker County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 4, 1997, 6:12 PM EDT for Dade County, Walker County, Georgia. It was in force for 48 min. 2 reports 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: Jul 4, 1997, 6:12 PM EDT (22:12 UTC)
Expired: Jul 4, 1997, 7:00 PM EDT
In force: 48 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Dade County, GA, Walker County, GA

What was reported inside it

Time	Report	Where	Remark
Jul 4, 6:20 PM EDT	Thunderstorm Wind	Trenton, GA	Thunderstorm winds knocked down trees and power lines.
Jul 4, 6:30 PM EDT	Thunderstorm Wind	La Fayette, GA	Thunderstorm winds knocked down several trees and power lines across the northern portion of Walker county. One tree fell onto the electrical wiring running to a trailer, which ignited a fire. The sole occupant, a 74 year old woman was injured. More than 30

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
Jul 4, 3:30 PM EDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 4, 5:00 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.2 hours before the alert went out and 179 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: 547 J/kg
Mixed-layer CIN: -412 J/kg
Mixed-layer LCL: 1429 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -41 m²/s²
0-3 km storm-relative helicity: -52 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 042213 RRA
SVRATL
GAC083-295-042300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
612 PM EDT FRI JUL 4 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...NORTHERN DADE COUNTY...NORTHERN WALKER COUNTY
 
AT 612 PM EDT WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN
JACKSON COUTNY ALABAMA 5 MILES NORTH OF BRYANT ALABAMA MOVING EAST AT 40
MPH. THIS MOTION WILL TAKE THE STORM OVER WILDWOOD IN DADE COUNTY
GEORGIA BY 625 PM EDT AND OVER FORT OGLETHORPE IN WALKER BY 640 PM EDT.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
 
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR TREES...OR HAIL THE
SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER
SERVICE BY CALLING 770-486-8535.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 6:45 PM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Whitfield	30 min
Jul 4, 6:58 PM EDT	Severe Thunderstorm Warning	FFC	Murray	32 min
Jul 4, 7:15 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Gilmer	45 min
Jul 4, 7:37 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Lumpkin, Pickens	53 min
Jul 4, 7:37 PM EDT	Severe Thunderstorm Warning	FFC	Union	53 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1997 Every severe thunderstorm warning in 1997

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.