Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 32, NWS Atlanta, GA

January 24, 1997Dawson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jan 24, 1997, 11:38 PM EST for Dawson County, Georgia. It was in force for 23 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: Jan 24, 1997, 11:38 PM EST (04:38 UTC)
Expired: Jan 25, 1997, 12:01 AM EST
In force: 23 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Dawson County, GA

The radar

The Atlanta radar (KFFC), 126 km from the middle of the area, began a volume at 04:41 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.

What was reported inside it

Time	Report	Where	Remark
Jan 24, 11:47 PM EST	Hail 0.75	Countywide, 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
Jan 24, 5:45 PM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.6 hours before the alert went out and 123 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: 128 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 517 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 186 m²/s²
0-3 km storm-relative helicity: 173 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

825 
WUUS1 KATL 250438 RRA
SVRATL
GAC085-250515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1138 PM EST FRI JAN 24 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1201 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST GEORGIA
 
   ...DAWSON COUNTY
 
A SEVERE THUNDERSTORM WAS INDICATED BY NATIONAL WEATHER SERVICE DOPPLER
RADAR 8 MILES NORTHWEST OF DAWSONVILLE MOVING EAST AT 40 MPH.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 24, 9:00 PM EST	Severe Thunderstorm Warning	FFC	Paulding	45 min
Jan 24, 9:24 PM EST	Severe Thunderstorm Warning	FFC	Cobb	36 min
Jan 24, 9:41 PM EST	Severe Thunderstorm Warning	FFC	Cherokee, Fulton	49 min
Jan 24, 10:23 PM EST	Severe Thunderstorm Warning	FFC	Floyd	27 min
Jan 24, 10:52 PM EST	Severe Thunderstorm Warning	FFC	Bartow, Gordon	53 min
Jan 24, 11:09 PM EST	Severe Thunderstorm Warning	FFC	Gilmer, Pickens	36 min
Jan 24, 11:44 PM EST	Severe Thunderstorm Warning	FFC	Lumpkin	31 min
Jan 25, 12:08 AM EST	Severe Thunderstorm Warning	FFC	Hall, White	27 min
Jan 25, 12:25 AM EST	Severe Thunderstorm Warning	FFC	Carroll, Douglas, Paulding	35 min
Jan 25, 12:32 AM EST	Severe Thunderstorm Warning	FFC	Cobb, Fulton	43 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; radar from the NEXRAD Level II archive.