Alert archive / Georgia / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 21, NWS Atlanta, GA

March 6, 1992Morgan County, Oconee County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 6, 1992, 8:41 PM EST for Morgan County, Oconee County, Georgia. It was in force for 60 min. 2 reports 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
Mar 6, 1992, 8:41 PM EST (01:41 UTC)
Expired
Mar 6, 1992, 9:41 PM EST
In force
60 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Morgan County, GA, Oconee County, GA

What was reported inside it

TimeReportWhereRemark
Mar 6, 9:00 PM ESTHail 1.75Morgan, GA
Mar 6, 9:00 PM ESTHail 0.88Oconee, 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 00:00Z, 1.7 hours before the alert went out and 30 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 00:00Z on 1992-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Athens Municipal, GA at 00:00Z on 1992-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAHN 070141
SVRAHN
GAC211-219-070245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATHENS GA
841 PM EST FRI MAR 6 1992
 
THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  945 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST GEORGIA
 
   ...MORGAN COUNTY...OCONEE COUNTY
 
SEVERE THUNDERSTORMS WILL BE MOVING INTO OCONEE AND MORGAN COUNTIES
WITHIN THE NEXT 30 MINUTES, THESE STORMS HAVE A HISTORY OF VERY HEAVY
RAIN...LARGE HAIL AND FREQUENT CLOUD TO GROUND LIGHTNING. THE STORMS
ARE MOVING TO THE EAST AT 30 MILES AN HOUR.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRRUCTIVE 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 7:56 PM ESTSevere Thunderstorm WarningFFCGwinnett34 min
Mar 6, 8:05 PM ESTSevere Thunderstorm WarningFFCBarrow, Walton55 min
Mar 6, 8:10 PM ESTSevere Thunderstorm WarningFFCHall, Jackson65 min
Mar 6, 9:28 PM ESTSevere Thunderstorm WarningFFCBurke, Jefferson, Richmond47 min
Mar 6, 9:36 PM ESTSevere Thunderstorm WarningFFCGreene69 min
Mar 6, 10:10 PM ESTSevere Thunderstorm WarningFFCElbert65 min
Mar 6, 10:15 PM ESTSevere Thunderstorm WarningFFCColumbia, Richmond45 min
Mar 6, 10:22 PM ESTSevere Thunderstorm WarningFFCForsyth53 min
Mar 6, 10:32 PM ESTSevere Thunderstorm WarningFFCColumbia, McDuffie, Richmond58 min
Mar 6, 10:32 PM ESTSevere Thunderstorm WarningFFCWarren58 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.