Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 440, NWS Atlanta, GA

August 16, 1997Houston County, Twiggs County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 16, 1997, 8:12 PM EDT for Houston County, Twiggs County, Georgia. It was in force for 33 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: Aug 16, 1997, 8:12 PM EDT (00:12 UTC)
Expired: Aug 16, 1997, 8:45 PM EDT
In force: 33 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Houston County, GA, Twiggs County, GA

What was reported inside it

Time	Report	Where	Remark
Aug 16, 8:30 PM EDT	Thunderstorm Wind	Kathleen, GA	Houston county 911 reported thunderstorm winds knocked trees down on houses and cars along highway 129 just south of Kathleen.
Aug 16, 8:30 PM EDT	Thunderstorm Wind	Jeffersonville, GA	Twiggs county 911 repored thunderstorm winds knocked down trees on Myrics Mill Road off highway 80 between Jeffersonville and Dry Branch.

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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.2 hours before the alert went out and 126 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: 2731 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1250 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 71 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 170007 RRA
SVRATL
GAC153-289-170045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
812 PM EDT SAT AUG 16 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL GEORGIA
 
   ...HOUSTON COUNTY...TWIGGS COUNTY
 
AT 808 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM ALONG THE
TWIGGS/HOUSTON COUNTY LINE IN BETWEEN KATHLEEN AND TARVERSVILLE.
THE SEVERE STORM WAS MOVING TO THE SOUTH AT 10 MPH.
 
 
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
Aug 17, 5:19 PM EDT	Severe Thunderstorm Warning	FFC	Clarke	26 min
Aug 17, 6:38 PM EDT	Severe Thunderstorm Warning	FFC	Taliaferro, Wilkes	52 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.