Alert archive / Georgia / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 179, NWS Atlanta, GA

August 10, 1992Spalding County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 10, 1992, 5:31 PM EDT for Spalding County, Georgia. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Aug 10, 1992, 5:31 PM EDT (21:31 UTC)
Expired
Aug 10, 1992, 6:15 PM EDT
In force
44 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Spalding County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 9.5 hours before the alert went out and 119 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 1992-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 902 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 1992-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
902 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
1373 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
96 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 102132
SVRATL
GAC255-102215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA  GA
531 PM EDT MON AUG 10 1992
 
THE NATIONAL WEATHER SERVICE IN ATLANTA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...SPALDING COUNTY
 
AT 5:30 PM EDT...NATIONAL WEATHER SERVICE RADARS AT ATLANTA AND
MACON INDICATED A STRONG THUNDERSTORM HAD DEVELOPED NEAR GRIFFIN
IN SPALDING COUNTY. THE SPALDING COUNTY SHERIFF OFFICE REPORTED
FREQUENT LIGHTNING WITH THIS STORM. AN OFF-DUTY EMPLOYEE REPORTED
HAIL WAS OCCURRING IN GRIFFIN.
 
THIS STORM WAS MOVING SOUTH AT NEAR 15 MILES AN HOUR.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM $HAS PASSED.

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

Local storm report, Aug 10, 11:44 AM EDT, 5 hours 47 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
1140 AM EDT MON AUG 10 1992

COUNTY........HALL

SOURCE........JACKSON E.M.C. (POWER COMPANY)

TIME..........APPROX 3 PM EDT SUN 8/9/92

LOCATION..L....SOUTHERN PART OF COUNTY ALONG THE JACKSON COUNTY LINE

TYPE STORM....SEVERE THUNDERSTORM

HAIL..........N/A

DAMAGE........TREES/LIMBS DOWN ONTO POWER LINES

INJURIES......
Local storm report, Aug 10, 11:45 AM EDT, 5 hours 46 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
1145 AM EDT MON AUG 10 1992

COUNTY........JACKSON

SOURCE........JACKSON E.M.C. (POWER COMPANY)

TIME..........APPROX 3 PM EDT SUN 8/9/92

LOCATIONN......WESTERN PART OF COUNTY ALONG THE HALL COUNTY LINE

TYPE STORM....SEVERE THUNDERSTORM

HAIL..........N/A

DAMAGE........TREES/LIMBS DOWN ONTO POWER LINES

INJURIES......
Special weather statement, Aug 10, 2:20 PM EDT, 3 hours 11 minutes before
GAZ002-102015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
218 PM EDT MON AUG 10 1992

AT 215 PM EDT...A CLUSTER OF THUNDERSTORMS WITH HEAVY RAIN WERE
OCCURRING IN NORTHEAST GEORGIA IN RABUN...HABERSHAM AND WHITE
COUNTIES. PEA SIZE HAIL HAS ALREADY BEEN REPORTED IN RABUN
COUNTY. THESE STORMS WERE MOVING SOUTHEAST AT 15 MILES AN HOUR.

PERSONS IN RABUN...HABERSHAM...WHITE...BANKS AND STEPHENS COUNTIES
OF NORTHEAST GEORGIA SHOULD BE ON THE ALERT FOR THESE STORMS FOR
THE NEXT 2 HOURS.

BRIEF HEAVY DOWNPOURS...DANGEROUS LIGHTNING AND SMALL HAIL ARE
POSSIBLE WITH THESE STORMS.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 3:00 PM EDTSevere Thunderstorm WarningFFCHabersham, White60 min
Aug 10, 4:21 PM EDTSevere Thunderstorm WarningFFCDooly69 min
Aug 10, 5:18 PM EDTSevere Thunderstorm WarningFFCCarroll42 min
Aug 10, 6:25 PM EDTSevere Thunderstorm WarningFFCTurner65 min
Aug 10, 6:27 PM EDTSevere Thunderstorm WarningFFCGwinnett48 min
Aug 10, 6:33 PM EDTSevere Thunderstorm WarningFFCDeKalb, Fulton42 min
Aug 10, 7:25 PM EDTSevere Thunderstorm WarningFFCFayette50 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; the sounding from the Mesonet's radiosonde archive.