Alert archive / Georgia / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 171, NWS Atlanta, GA

August 9, 1992Jones County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 9, 1992, 6:30 PM EDT for Jones County, Georgia. It was in force for 60 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
Aug 9, 1992, 6:30 PM EDT (22:30 UTC)
Expired
Aug 9, 1992, 7:30 PM EDT
In force
60 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Jones County, GA

What was reported inside it

TimeReportWhereRemark
Aug 9, 6:40 PM EDTHail 1.75Jones, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 10.5 hours before the alert went out and 106 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-pSkew-T log-p diagram, Athens Municipal, GA at 12:00Z on 1992-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 995 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Athens Municipal, GA at 12:00Z on 1992-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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 092229
SVRMCN
GAC169-092330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MACON GA
630 PM EDT SUN AUG 9 1992
 
THE NATIONAL WEATHER SERVICE IN MACON GA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL GEORGIA
 
   ...JONES COUNTY
 
AT 630 PM WEATHER RADAR SHOWED A SEVERE THUNDERSTORM SOUTH OF GRAY
GEORGIA. MOVING SOUTH AT 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 9 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.

IssuedProductOfficeCountiesLasted
Aug 9, 2:28 PM EDTSevere Thunderstorm WarningFFCBarrow, Hall, Jackson62 min
Aug 9, 3:30 PM EDTSevere Thunderstorm WarningFFCChattooga30 min
Aug 9, 3:30 PM EDTSevere Thunderstorm WarningFFCBartow, Gordon30 min
Aug 9, 4:10 PM EDTSevere Thunderstorm WarningFFCBartow, Floyd50 min
Aug 9, 6:55 PM EDTSevere Thunderstorm WarningFFCBibb50 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1992Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.