Alert archive / Georgia / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 113, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 27, 1991, 7:13 PM EDT for Heard County, Troup County, Georgia. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Apr 27, 1991, 7:13 PM EDT (23:13 UTC)
- Expired
- Apr 27, 1991, 8:00 PM EDT
- In force
- 47 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Heard County, GA, Troup County, GA
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 11.2 hours before the alert went out and 186 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
- 133 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 548 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 272314 SVRATL GAC149-285-280000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTA GA 713 PM EDT SAT APR 27 1991 THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST GEORGIA ...HEARD COUNTY IN WEST CENTRAL GEORGIA ...TROUP COUNTY AT 710 PM EDT RADAR INDICATED SEVERE THUNDERSTORMS OVER HEARD COUNTY MOVING SOUTHEAST AT 20 MILES AN HOUR INTO TROUP COUNTY. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERI2OR 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, Apr 27, 5:28 PM EDT, 1 hour 45 minutes before
GAZ001-003-272300-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
527 PM EDT SAT APR 27 1991
...LINE OF THUNDERSTORMS APPROACHING NORTHWEST GEORGIA...
A LINE OF THUNDERSTORMS WAS INTENSIFYING OVER NORTHEAST ALABAMA LATE
THIS AFTERNOON. AT 515 PM EDT RADAR INDICATED A NEARLY SOLID LINE OF
STORMS DEVELOPING FROM NEAR SCOTTSBORO SOUTH THROUGH ANNISTON TO
TALLADEGA. THIS LINE WAS MOVING EAST NEAR 40 MPH AND WILL MOVE INTO
THE EXTREME WEST GEORGIA COUNTIES OF WALKER...CHATTOOGA...FLOYD...
POLK...HARALSON...AND CARROLL...WITHIN THE NEXT HOUR.
THERE WERE NUMEROUS REPORTS OF STORM DAMAGE OVER CENTRAL ALABAMA AS
THESE STORMS PASSED EARLIER THIS AFTERNOON.
PERSONS IN NORTHWEST GEORGIA SHOULD STAY ALERT TO RAPIDLY CHANGING
WEATHER CONDITIONS OVER THE NEXT SEVERAL HOURS. BE READY TO TAKE SAFETY
PRECAUTIONS IF ADVERSE WEATHER THREATENS.Special weather statement, Apr 27, 5:48 PM EDT, 1 hour 25 minutes before
GAZ005-008-ALZ012-272345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 546 PM EDT SAT APR 27 1991 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR PARTS OF WEST CENTRAL AND SOUTHWEST GEORGIA...AND FOR MUCH OF EAST CENTRAL ALABAMA...UNTIL 10 PM EDT... AT 540 PM EDT COLUMBUS WEATHER RADAR SHOWED A LARGE AREA OF RAIN AND SCATTERED THUNDERSTORMS FROM NEAR ALEXANDER CITY AND LAFAYETTE ALABAMA NORTH INTO THE ANNISTON ALABAMA AND CARROLLTON GEORGIA AREAS. ELSEWHERE THERE WERE A FEW ISOLATED THUNDERSHOWERS NEAR LANETT AND THOMASTON GEORGIA. MOVEMENT WAS EAST ABOUT 25 MPH. PEOPLE IN WEST CENTRAL AND SOUTHWEST GEORGIA AND EAST CENTRAL ALABAMA SHOULD REMAIN ALERT FOR THREATENING WEATHER THE NEXT SEVERAL HOURS. BE READY TO TAKE SAFE SHELTER IF THUNDERSTORMS DEVELOP OR MOVE INTO YOUR AREA.
Special weather statement, Apr 27, 5:58 PM EDT, 1 hour 15 minutes before
GAZ004-280100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 556 PM EDT SAT APR 27 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM EDT FOR THE FOLOWING NORTHEAST GEORGIA COUNTIES...BARROW...CLARKE...GREENE... HALL..JACKSON...MORGAN...NEWTON...OCONEE...OGLETHORPE AND WALTON... AT 550 PM EDT THUNDERSTORMS WERE MOVING INTO NORTHWEST GOERGIA FROM NORTHEAST ALABAMA. SOME OF THESE THUNDERSTORMS HAVE HAD PAST HISTORY OF SEVERE WEATHER. THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR. AT THIS PRESENT MOVEMENT THE THUNDERSTORMS WILL REACH THE NORTHEAST GEORGIA COUNTIES AROUND 800 PM EDT. PERSONS THROUGHOUT NORTHEAST GEORG SHOULD KEEP ALERT FOR THE REMAINDER OF THIS EVENING FOR APPROACHING THUNDERSTORMS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY RAPIDLY.
Special weather statement, Apr 27, 6:42 PM EDT, 31 minutes before
GAZ006-280045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 639 PM EDT SAT APR 27 1991 ...SEVERE THUNDERSTORM WATCHES IN EFFECT UNTIL 10 PM EDT FOR BIBB... CRAWFORD...JONES...JASPER...MACON...MONROE...PUTNAM AND TAYLOR COUNTIES OF THE CENTRAL GEORGIA AREA... AT 635 PM RADARS LOCATED NUMEROUS THUNDERSTORMS IN NORTHWEST AND SOUTHEAST GEORGIA MOVING TO THE EAST AT 20 MPH. ANOTHER VERY STRONG THUNDERSTORM WAS LOCATED BY RADAR OVER TELFAIR COUNTY MOVING EAST AT 2O MPH. OTHER STRONG THUNDERSTORMS ARE EXPECTED TO MOVE INTO...OR DEVELOP... OVER THE WATCH AREA BETWEEN NOW AND 1000 PM. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO WEATHER CONDITIONS AND MONITOR LOCAL WEATHER REPORTS DURING THE REST OF THE EARLY NIGHT-TIME HOURS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 5:36 PM EDT | Severe Thunderstorm Warning | FFC | Carroll, Haralson | 69 min |
| Apr 27, 5:36 PM EDT | Severe Thunderstorm Warning | FFC | Polk | 69 min |
| Apr 27, 7:03 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Gwinnett, Henry, Rockdale | 87 min |
| Apr 27, 7:03 PM EDT | Severe Thunderstorm Warning | FFC | Coweta, Fayette | 87 min |
| Apr 27, 7:03 PM EDT | Severe Thunderstorm Warning | FFC | Clayton | 87 min |
| Apr 27, 7:11 PM EDT | Severe Thunderstorm Warning | FFC | Laurens | 34 min |
| Apr 27, 7:17 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Walton | 58 min |
| Apr 27, 7:17 PM EDT | Severe Thunderstorm Warning | FFC | Newton | 58 min |
| Apr 27, 7:23 PM EDT | Severe Thunderstorm Warning | FFC | Treutlen | 37 min |
| Apr 27, 7:27 PM EDT | Tornado Warning | FFC | Butts, Henry, Spalding | 48 min |
| Apr 27, 7:44 PM EDT | Severe Thunderstorm Warning | FFC | Greene, Morgan, Oconee | 61 min |
| Apr 27, 7:44 PM EDT | Severe Thunderstorm Warning | FFC | Clarke, Jackson, Madison, Oglethorpe | 61 min |
| Apr 27, 7:47 PM EDT | Severe Thunderstorm Warning | FFC | Lamar | 28 min |
| Apr 27, 7:50 PM EDT | Severe Thunderstorm Warning | FFC | Jasper, Monroe | 55 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.