Alert archive / Georgia / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 172, NWS Atlanta, GA

August 9, 1992Bibb County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 9, 1992, 6:55 PM EDT for Bibb County, Georgia. It was in force for 50 min.

The area

The counties it named.

The facts

Issued: Aug 9, 1992, 6:55 PM EDT (22:55 UTC)
Expired: Aug 9, 1992, 7:45 PM EDT
In force: 50 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Bibb County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 10.9 hours before the alert went out and 132 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: 995 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 1031 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 3 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 KMCN 092258
SVRMCN
GAC021-092345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MACON GA
655 PM EDT SUN AUG 9 1992
 
THE NATIONAL WEATHER SERVICE IN MACON GA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL GEORGIA
 
   ...BIBB COUNTY
 
AT 655 PM EDT WEATHER RADAR SHOWED A SEVERE THUNDERSTORM OVER MACON
GA. MOVEMENT WAS SOUTH A 15 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.

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, Aug 9, 5:21 PM EDT, 1 hour 34 minutes before

GAZ006-092120-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
520 PM EDT SUN AUG 09 1992

...THUNDERSTORMS MOVING INTO THE MIDSTATE...

AT 515 PM NATIONAL WEATHER SERVICE RADAR IN MACON SHOWED A LINE OF
THUNDERSTORMS MOVING INTO CENTRAL GEORGIA. THE THUNDERSTORMS
EXTENDED FROM JACKSON IN BUTTS COUNTY EAST ACROSS JASPER AND PUTNAM
COUNTIES. THE STRONGEST THUNDERSTORMS WERE LOCATED 5 MILES NORTH OF
MONTICELLO IN JASPER COUNTY AND OVER EATONTON IN PUTNAM COUNTY.
MOVEMENT WAS SOUTHWEST AT 10 MPH.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING DANGEROUS LIGHTNING..
HEAVY RAINFALL AND HAIL.

PERSONS IN THE PATH OF THESE STORMS SHOULD MOVE INDOORS UNTIL
THEY PASS OUT OF THE AREA.
f

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 2:28 PM EDT	Severe Thunderstorm Warning	FFC	Barrow, Hall, Jackson	62 min
Aug 9, 3:30 PM EDT	Severe Thunderstorm Warning	FFC	Chattooga	30 min
Aug 9, 3:30 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Gordon	30 min
Aug 9, 4:10 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd	50 min
Aug 9, 6:30 PM EDT	Severe Thunderstorm Warning	FFC	Jones	60 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1992 Every severe thunderstorm warning in 1992

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.