Alert archive / Georgia / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 18, NWS Atlanta, GA
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
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 6, 8:15 PM EST | Hail 0.88 | Gwinnett, 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.
- 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
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 8:05 PM EST | Severe Thunderstorm Warning | FFC | Barrow, Walton | 55 min |
| Mar 6, 8:10 PM EST | Severe Thunderstorm Warning | FFC | Hall, Jackson | 65 min |
| Mar 6, 8:41 PM EST | Severe Thunderstorm Warning | FFC | Morgan, Oconee | 60 min |
| Mar 6, 9:28 PM EST | Severe Thunderstorm Warning | FFC | Burke, Jefferson, Richmond | 47 min |
| Mar 6, 9:36 PM EST | Severe Thunderstorm Warning | FFC | Greene | 69 min |
| Mar 6, 10:10 PM EST | Severe Thunderstorm Warning | FFC | Elbert | 65 min |
| Mar 6, 10:15 PM EST | Severe Thunderstorm Warning | FFC | Columbia, Richmond | 45 min |
| Mar 6, 10:22 PM EST | Severe Thunderstorm Warning | FFC | Forsyth | 53 min |
| Mar 6, 10:32 PM EST | Severe Thunderstorm Warning | FFC | Columbia, McDuffie, Richmond | 58 min |
| Mar 6, 10:32 PM EST | Severe Thunderstorm Warning | FFC | Warren | 58 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.