Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 391, NWS Atlanta, GA

July 16, 1997Coweta County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 16, 1997, 11:55 PM EDT for Coweta 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: Jul 16, 1997, 11:55 PM EDT (03:55 UTC)
Expired: Jul 17, 1997, 12:30 AM EDT
In force: 35 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Coweta County, GA

The radar

The Atlanta radar (KFFC), 18 km from the middle of the area, began a volume at 03:56 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.9 hours before the alert went out and 24 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: 1994 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 1338 m above ground
0-6 km bulk shear: 2 kt
0-1 km storm-relative helicity: -28 m²/s²
0-3 km storm-relative helicity: -37 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 170357 RRA
SVRATL
GAC077-170430-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1155 PM EDT WED JUL 16 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST GEORGIA
 
   ...COWETA COUNTY
 
AT 1155 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM JUST NORTH OF
NEWNAN. THE STORM WAS DRIFTING SLOWLY TO THE SOUTH.
 
 
DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING
ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM
WINDOWS UNTIL THE STORM HAS PASSED. BOATERS, GOLFERS, AND OTHERS
INVOLVED IN OUTSIDE ACTIVITIES SHOULD SEEK SHELTER IMMEDIATELY.
 
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 16, 8:29 PM EDT	Severe Thunderstorm Warning	FFC	Haralson, Paulding	46 min
Jul 16, 9:24 PM EDT	Severe Thunderstorm Warning	FFC	Jasper	36 min
Jul 16, 10:17 PM EDT	Severe Thunderstorm Warning	FFC	Washington	28 min
Jul 16, 11:30 PM EDT	Severe Thunderstorm Warning	FFC	Butts	30 min
Jul 17, 12:05 AM EDT	Severe Thunderstorm Warning	FFC	Butts, Henry	25 min
Jul 17, 12:41 AM EDT	Severe Thunderstorm Warning	FFC	Monroe	34 min
Jul 17, 5:06 AM EDT	Flash Flood Warning	FFC	Coweta, Fayette	2 hr
Jul 17, 2:53 PM EDT	Severe Thunderstorm Warning	FFC	Douglas	37 min
Jul 17, 3:37 PM EDT	Severe Thunderstorm Warning	FFC	Laurens	38 min
Jul 17, 4:33 PM EDT	Severe Thunderstorm Warning	FFC	Dooly	27 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.