Alert archive / Georgia / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 118, NWS Atlanta, GA

April 20, 19964 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 20, 1996, 10:08 AM EDT for 4 counties in Georgia. It was in force for 52 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: Apr 20, 1996, 10:08 AM EDT (14:08 UTC)
Expired: Apr 20, 1996, 11:00 AM EDT
In force: 52 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Catoosa County, GA, Dade County, GA, Walker County, GA, Whitfield County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 2.1 hours before the alert went out and 175 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: 109 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 680 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 227 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 201409
SVRATL
GAC047-083-295-313-201500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1008 AM EDT SAT APR 20 1996
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...CATOOSA COUNTY...DADE COUNTY...WALKER COUNTY
   ...WHITFIELD COUNTY
 
AT 1005 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
STRONG THUNDERSTORMS ENTERING THE NORTHWEST CORNER OF GEORGIA. THE LINE
IS MOVING SOUTHEAST AT 20 MPH...AND MAY CONTAIN VERY STRONG WINDS AND
LARGE HAIL.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR tTHE 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 20, 6:16 AM EDT, 3 hours 52 minutes before

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-201600-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
615 AM EDT SAT APR 20 1996

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY ACROSS EXTREME
NORTHWEST GEORGIA. THE AREA UNDER SLIGHT RISK IS GENERALLY NORTH AND
WEST OF A LINE FROM ROME TO BLAIRSVILLE. OTHERWISE THERE IS A CHANCE OF
THUNDERSTORMS OVER THE REMAINDER OF NORTH AND CENTRAL GEORGIA TODAY.

WARM MOIST AIR OVER GEORGIA COMBINED WITH AN UPPER LEVEL DISTURBANCE
WILL PRODUCE THE POTENTIAL FOR THUNDERSTORMS TODAY... MAINLY DURING
THE AFTERNOON HOURS. SOME OF THESE STORMS MAY BECOME SEVERE...PRODUCING
STRONG GUSTY WINDS...LARGE HAIL AND HEAVY DOWNPOURS.

SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL IN EXTREME NORTHWEST
GEORGIA SHOULD MONITOR LOCAL WEATHER CONDITIONS AND BE READY FOR
POSSIBLE ACTIVATION TODAY.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 20, 11:44 AM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Dade, Walker	31 min
Apr 20, 2:25 PM EDT	Severe Thunderstorm Warning	FFC	Floyd, Polk	50 min
Apr 20, 2:52 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Paulding	53 min
Apr 20, 3:02 PM EDT	Severe Thunderstorm Warning	FFC	Carroll	43 min
Apr 20, 3:13 PM EDT	Severe Thunderstorm Warning	FFC	Cherokee, Cobb	47 min
Apr 20, 3:37 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Fulton	53 min
Apr 20, 3:45 PM EDT	Severe Thunderstorm Warning	FFC	Gwinnett	45 min
Apr 20, 3:56 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Coweta, Fayette	49 min
Apr 20, 6:03 PM EDT	Severe Thunderstorm Warning	FFC	Houston, Twiggs	27 min
Apr 20, 6:10 PM EDT	Severe Thunderstorm Warning	FFC	Peach	35 min
Apr 20, 6:38 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Laurens	52 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1996 Every severe thunderstorm warning in 1996

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.