Alert archive / Georgia / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 77, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 9, 1991, 8:57 PM EDT for Walton County, Georgia. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Apr 9, 1991, 8:57 PM EDT (00:57 UTC)
- Expired
- Apr 9, 1991, 10:00 PM EDT
- In force
- 63 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Walton County, GA
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 00:00Z, 1.0 hours before the alert went out and 44 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
- 1678 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 959 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAHN 100058 SVRAHN GAC297-100200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATHENS GA 857 PM EDT TUE APR 9 1991 THE NATIONAL WEATHER SERVICE IN ATHENS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST GEORGIA ...WALTON COUNTY RADAR INDICATED A SEVERE THUNDERSTORM NEAR CONYERS GEORGIA AND WAS ENTERING WESTERN WALTON COUNTY. THIS STORM WILL BE MOVING ACROSS THE CITY OF MONROE DURING THE NEXT 30 MINUTES. 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, Apr 9, 5:26 PM EDT, 3 hours 31 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, 3 hours 31 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, 3 hours 11 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.
Special weather statement, Apr 9, 7:17 PM EDT, 1 hour 40 minutes before
GAZ006-008-009-100000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 715 PM EDT TUE APR 9 1991 AT 710 PM RADAR IN MACON SHOWED AN AREA OF THUNDERSTORMS WEST OF MACON FROM FORSYTH SOUTH TO FORT VALLEY AND MARSHALLVILLE. THEY WERE MOVING EAST INTO CENTRAL GEORGIA AT 30 MPH. THESE THUNDERSTORMS WILL PRODUCE BRIEF HEAVY RAIN...STRONG GUSTY WINDS...DANGEROUS LIGHTNING...AND POSSIBLY SMALL HAIL.
Local storm report, Apr 9, 7:17 PM EDT, 1 hour 40 minutes before
LOCAL STORM REPORT...COR... 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 JEFFER SON TYPE STORM....THUNDERSTORM HAIL..........MARBLE SIZE DAMAGE........SCATTERED POWER OUTAGES NEAR JEFFERSON INJURIES......NONE
Local storm report, Apr 9, 8:40 PM EDT, 17 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATHENS GA 840 PM EDT TUE APR 9 1991 COUNTY........MORGAN SOURCE........SHERIFF TIME..........820 - 830 PM EDT LOCATION......CITY OF MADISON TYPE STORM....SEVERE THUNDERSTORM HAIL..........NICKLE SIZE DAMAGE........NONE REPORTED INJURIES......NONE
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 8:06 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Fulton | 39 min |
| Apr 9, 8:12 PM EDT | Severe Thunderstorm Warning | FFC | Greene, Morgan | 63 min |
| Apr 9, 8:50 PM EDT | Severe Thunderstorm Warning | FFC | Rockdale | 40 min |
| Apr 9, 10:14 PM EDT | Severe Thunderstorm Warning | FFC | Crawford | 46 min |
| Apr 9, 10:15 PM EDT | Severe Thunderstorm Warning | FFC | Forsyth | 30 min |
| Apr 9, 10:21 PM EDT | Severe Thunderstorm Warning | FFC | Newton | 69 min |
| Apr 9, 10:39 PM EDT | Severe Thunderstorm Warning | FFC | Bibb | 66 min |
| Apr 9, 11:00 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Oconee, Walton | 60 min |
| Apr 9, 11:00 PM EDT | Severe Thunderstorm Warning | FFC | Hall | 60 min |
| Apr 9, 11:06 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin, Wilkinson | 69 min |
| Apr 9, 11:35 PM EDT | Severe Thunderstorm Warning | FFC | Hancock, Washington | 40 min |
| Apr 10, 12:12 AM EDT | Severe Thunderstorm Warning | FFC | Glascock, Jefferson, Warren | 48 min |
| Apr 10, 12:48 AM EDT | Severe Thunderstorm Warning | FFC | Columbia, Richmond | 42 min |
| Apr 10, 1:01 AM EDT | Severe Thunderstorm Warning | FFC | Lincoln | 44 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.