Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 5, NWS Atlanta, GA

January 5, 19974 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jan 5, 1997, 4:31 AM EST for 4 counties in Georgia. It was in force for 29 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: Jan 5, 1997, 4:31 AM EST (09:31 UTC)
Expired: Jan 5, 1997, 5:00 AM EST
In force: 29 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Clayton County, GA, Coweta County, GA, Fayette County, GA, Fulton County, GA

The radar

The Atlanta radar (KFFC), 18 km from the middle of the area, began a volume at 09:35 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jan 5, 3:00 AM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 9.5 hours before the alert went out and 17 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: 65 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1201 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 178 m²/s²
0-3 km storm-relative helicity: 219 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 050932
SVRATL
GAC063-077-113-121-051000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
431 AM EST SUN JAN 5 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...CLAYTON COUNTY...COWETA COUNTY...FAYETTE COUNTY
   ...SOUTHERN FULTON COUNTY
 
AT 430 AM EST WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER
NORTH COWETA COUNTY JUST SOUTHWEST OF PALMETTO MOVING NORTHEAST AT 50
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.
 
KM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 5, 1:49 AM EST	Severe Thunderstorm Warning	FFC	Dade	26 min
Jan 5, 2:37 AM EST	Severe Thunderstorm Warning	FFC	Chattooga	38 min
Jan 5, 3:03 AM EST	Severe Thunderstorm Warning	FFC	Polk	27 min
Jan 5, 3:24 AM EST	Severe Thunderstorm Warning	FFC	Bartow	36 min
Jan 5, 5:09 AM EST	Severe Thunderstorm Warning	FFC	Troup	36 min
Jan 5, 5:37 AM EST	Severe Thunderstorm Warning	FFC	Henry, Spalding	38 min
Jan 5, 5:58 AM EST	Severe Thunderstorm Warning	FFC	Butts, Jasper, Newton	32 min
Jan 5, 7:38 AM EST	Severe Thunderstorm Warning	FFC	Baldwin, Hancock	37 min
Jan 5, 7:49 AM EST	Severe Thunderstorm Warning	FFC	Dooly, Houston, Macon	26 min
Jan 5, 8:25 AM EST	Severe Thunderstorm Warning	FFC	Dooly, Pulaski	35 min
Jan 5, 8:34 AM EST	Severe Thunderstorm Warning	FFC	Bleckley, Dodge	26 min
Jan 5, 8:51 AM EST	Severe Thunderstorm Warning	FFC	Laurens	54 min
Jan 5, 9:03 AM EST	Severe Thunderstorm Warning	FFC	Dodge	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.