Alert archive / Georgia / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 18, NWS Atlanta, GA

March 6, 1992Gwinnett County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 6, 1992, 7:56 PM EST for Gwinnett County, Georgia. It was in force for 34 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
Mar 6, 1992, 7:56 PM EST (00:56 UTC)
Expired
Mar 6, 1992, 8:30 PM EST
In force
34 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Gwinnett County, GA

What was reported inside it

TimeReportWhereRemark
Mar 6, 8:15 PM ESTHail 0.88Gwinnett, 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, 0.9 hours before the alert went out and 67 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°0°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 KATL 070055
SVRATL
GAC135-070130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA  GA
756 PM EST FRI MAR 6 1992
 
THE NATIONAL WEATHER SERVICE IN ATLANTA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...EASTERN GWINNETT COUNTY
 
AT 755 PM EST RADAR SHOWED A SEVERE THUNDERSTORM 10 MILES
SOUTH OF LAWRENCEVILLE IN GWINNETT COUNTY MOVING EAST AT
30 MPH. THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN IN<TERIOR 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, Mar 6, 4:53 PM EST, 3 hours 3 minutes before
GAZ001-062300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
455 PM EST FRI MAR 6 1992

...STRONG THUNDERSTORM APPROACHING NORTHWEST GEORGIA...

AT 450 PM EST RADAR SHOWED AN ISOLATED THUNDERSTORM IN NORTHEAST
ALABAMA SOUTH OF FORT PAYNE. AT THAT TIME THE STORM WAS VERY
STRONG...POSSIBLY SEVERE...PRODUCING HAIL AND STRONG WINDS. THE STORM
WAS MOVING EAST AT 30 MPH AND SHOULD MOVE INTO FLOYD COUNTY...AND
POSSIBLY CHATTOOGA COUNTY SHORTLY AFTER 5 PM.

THIS STORM DROPPED LARGE HAIL AT BOAZ ALABAMA AND HAS A HISTORY OF
PRODUCING DAMAGING WINDS.

PEOPLE IN FLOYD AND CHATTOOGA COUNTIES SHOULD BE PREPARED TO TAKE
SHELTER IF THREATENING WEATHER APPROACHES OR IF A WARNING IS
ISSUED.
Special weather statement, Mar 6, 6:40 PM EST, 1 hour 16 minutes before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006-
TNZ001>003-005-062335-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
635 PM EST FRI MAR 6 1992

SEVERE THUNDERSTORM WATCH NUMBER 47 IS IN EFFECT FOR NORTH
GEORGIA UNTIL 10 PM EST TONIGHT.

VERY STRONG THUNDERSTORMS HAVE DEVELOPED OVER NORTHWEST GEORGIA
DURING THE PAST HOUR. THESE THUNDERSTORMS WERE TO THE NORTHWEST OF
A LINE FROM BLAIRSVILLE TO LAGRANGE. THESE THUNDERSTORMS CAPABLE OF
VERY HEAVY RAIN...LARGE HAIL AND DAMANGING WINDS. THE STRONGER
THUNDERSTORMS WERE NEAR CHATSWORTH AND ROCKMART GEORGIA.

OTHER THUNDERSTORMS WERE NOTED OVER SOUTH CENTRAL GEORGIA.

MOVEMENT WAS EAST AT 35 MILES AN HOUR.
Special weather statement, Mar 6, 7:39 PM EST, 17 minutes before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006-
TNZ001>003-005-070035-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
735 PM EST FRI MAR 6 1992

SEVERE THUNDERSTORM WATCH NUMBER 47 IS IN EFFECT FOR NORTH
GEORGIA NORTH OF A LINE FROM LAGRANGE TO SPARTA UNTIL 10 PM EST
TONIGHT.

VERY STRONG THUNDERSTORMS WERE INDICATED BETWEEN FULTON COUNTY
AIRPORT AND ALLATOON LAKE. OTHER SHOWERS AND THUNDERSTORMS WERE
INDICATED OVER NORTHWEST AND NORTHEAST GEORGIA TO THE NOTHWEST OF
A LINE FROM TOCCOA TO ATLANTA GEORGIA. REPORTS OF VERY HEAVY RAIN
AND HAIL HAS RECEIVED FROM THE STORM JUST NORTH OF FULTON COUNTY.
VERY HEAVY THUNDERSTORMS WILL BE MOVING ACROSS NORTHEAST GEORGIA
DURING THE NEXT TWO HOURS.

OTHER SHOWERS AND THUNDERSTORMS WERE OBSERVED ACROSS CENTRAL
GEORGIA TO THE SOUTH OF MACON. MOVEMENT WAS EAST 35 MILES AN HOUR.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 8:05 PM ESTSevere Thunderstorm WarningFFCBarrow, Walton55 min
Mar 6, 8:10 PM ESTSevere Thunderstorm WarningFFCHall, Jackson65 min
Mar 6, 8:41 PM ESTSevere Thunderstorm WarningFFCMorgan, Oconee60 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.