Alert archive / Georgia / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 72, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 9, 1991, 6:10 PM EDT for DeKalb County, Rockdale County, Georgia. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Apr 9, 1991, 6:10 PM EDT (22:10 UTC)
- Expired
- Apr 9, 1991, 6:45 PM EDT
- In force
- 35 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties DeKalb County, GA, Rockdale County, GA
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 10.2 hours before the alert went out and 81 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
- 83 J/kg
- Mixed-layer CIN
- -172 J/kg
- Mixed-layer LCL
- 866 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -119 m²/s²
- 0-3 km storm-relative helicity
- -100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 092212 SVRATL GAC089-247-092245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTA GA 610 PM EDT TUE APR 9 1991 THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST GEORGIA ...EASTERN DEKALB COUNTY...ROCKDALE COUNTY RADAR WAS SHOWING A SEVERE THUNDERSTORMS IN EASTERN DEKALB COUNTY MOVING EAST AT 40 MILES AN HOUR TOWARDS CONYERS. MARBLE SIZE HAIL HAS BEEN REPORTED WITH THIS STORM. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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, Apr 9, 5:15 PM EDT, 55 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATLANTA GA 515 PM EDT TUE APR 9 1991 AT 510 PM EDT A REPORT OF HAIL ONE HALF INCH IN DIAMETER WAS RECEIVED FROM THE PUBLIC. THIS OCCURRED IN FULTON COUNTY 3 TO 4 MILES SOUTHWEST OF DOWNTOWN ATLANTA. JUST PRIOR TO 5 PM...CHARLIE BROWN AIRPORT IN FULTON COUNTY WEST OF ATLANATA REPORTED PEA SIZE HAIL AND DANGEROUS CLOUD TO GROUND LIGHTNING.
Local storm report, Apr 9, 5:19 PM EDT, 51 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATHENS GA
515 PM EDT TUE APR 9 1991
COUNTY........ HALL
SOURCE........HALL COUNTY EMA
TIME..........445- 510PM EDT
LOCATION......COUNTY-WIDE...LARGEST HAIL REPORTED GOLFBALL SIZE
JUST NW OF GAINESVILLE ON HWY 53.
TYPE STORM....SEVERE THUNDERSTORM
HAIL..........MARBLE TO GOLFBALL SIZE
DAMAGE........NONE REPORTED YET
INJURIES......NONESpecial weather statement, Apr 9, 5:21 PM EDT, 49 minutes before
GAZ005-ALZ012-ALZ018-092315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 518 PM EDT TUE APR 9 1991 ...THUNDERSTORMS OVER WEST CENTRAL GEORGIA AND EAST CENTRAL ALABAMA... AT 515 PM EDT WEATHER RADAR INDICATED SCATTERED THUNDERSTORMS OVER WESCENTRAL GEORGIA AND EAST CENTRAL ALABAMA. MOST OF THE THUNDERSTORMS WERE JUST SOUTH AND WEST OF COLUMBUS...ALSO IN RUSSELL AND BARBOUR COUNTIES IN EAST CENTRAL ALABAMA. THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. PEOPLE IN WEST CENTRAL GEORGIA AND EAST CENTRAL ALABAMA SHOULD BE ALERT FOR THREATENING WEATHER FOR THE NEXT FEW HOURS. SOME OF THESE THUNDERSTORMS WILL LIKELY CONTAIN DANGEROUS LIGHTNING..STRONG GUSTY WINDS AND SMALL HAIL. PLEASE CONTINUE TO LISTEN TO NOAA WEATHER RADIO OR OTHER LOCAL NEW MEDIA FOR LATER STATEMENTS OR WARNING IF NEEDED.
Local storm report, Apr 9, 5:26 PM EDT, 44 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATHENS GA 525 PM EDT TUE APR 9 1991 COUNTY........JACKSON SOURCE........JACKSON COUNTY EMA TIME..........522 PM EDT LOCATION......CITY OF JEFFERSON TYPE STORM....SEVERE THUNDERSTORM HAIL..........MARBLE SIZE DAMAGE........NONE REPORTED YET INJURIES......NONE
Special weather statement, Apr 9, 5:26 PM EDT, 44 minutes before
GAZ005-ALZ012-ALZ018-092315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 518 PM EDT TUE APR 9 1991 ...THUNDERSTORMS OVER WEST CENTRAL GEORGIA AND EAST CENTRAL ALABAMA... AT 515 PM EDT WEATHER RADAR INDICATED SCATTERED THUNDERSTORMS OVER WESCENTRAL GEORGIA AND EAST CENTRAL ALABAMA. MOST OF THE THUNDERSTORMS WERE JUST SOUTH AND WEST OF COLUMBUS...ALSO IN RUSSELL AND BARBOUR COUNTIES IN EAST CENTRAL ALABAMA. THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. PEOPLE IN WEST CENTRAL GEORGIA AND EAST CENTRAL ALABAMA SHOULD BE ALERT FOR THREATENING WEATHER FOR THE NEXT FEW HOURS. SOME OF THESE THUNDERSTORMS WILL LIKELY CONTAIN DANGEROUS LIGHTNING..STRONG GUSTY WINDS AND SMALL HAIL. PLEASE CONTINUE TO LISTEN TO NOAA WEATHER RADIO OR OTHER LOCAL NEW MEDIA FOR LATER STATEMENTS OR WARNING IF NEEDED.
Special weather statement, Apr 9, 5:46 PM EDT, 24 minutes before
GAZ001>003-080000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GEORGIA 545 PM EDT MON APR 9 1991 ...STRONG THUNDERSTORMS CONTINUE TO MOVE ACROSS THE ATLANTA METROPOLITAN AREA AND NORTHWEST GEORGIA... A CLUSTER OF STRONG THUNDERSTORMS CONTINUES TO MOVE ACROSS THE ATLANTA METROPOLITAN AREA. AT 540 PM...NATIONAL WEATHER SERVICE RADAR SHOWED THE STRONGEST STORMS IN DEKALB..GWINNETT AND NORTH FULTON COUNTIES. NUMEROUS REPORTS OF PEA TO MARBLE SIZE HAIL HAS BEEN REPORTED ACROSS THE METRO AREA. ALSO DANGEROUS LIGHTNING HAS BEEN REPORTED WITH THESE STORMS. OTHER STRONG THUNDERSTORMS WERE LOCATED IN HARALSON COUNTY..SOUTHERN PARTS OF TROUP AND MERIWETHER COUNTIES AND NEAR DAWSONVILLE IN NORTHWEST GEORGIA. PEOPLE IN NORTHWEST GEORGIA...ESPECIALLY AROUND ATLANTA SHOULD BE ALERT FOR THREATENING WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER IF CONDITIONS WARRENT.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 2:41 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee | 34 min |
| Apr 9, 3:26 PM EDT | Severe Thunderstorm Warning | FFC | Whitfield | 49 min |
| Apr 9, 4:02 PM EDT | Severe Thunderstorm Warning | FFC | Gilmer | 43 min |
| Apr 9, 4:25 PM EDT | Severe Thunderstorm Warning | FFC | Banks, Habersham, Hall | 65 min |
| Apr 9, 5:02 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Jackson, Oconee, Walton | 58 min |
| Apr 9, 6:09 PM EDT | Severe Thunderstorm Warning | FFC | Newton, Walton | 66 min |
| Apr 9, 6:22 PM EDT | Severe Thunderstorm Warning | FFC | Fulton | 38 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1991Every severe thunderstorm warning in 1991
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.