Alert archive / Georgia / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 142, NWS Atlanta, GA

April 29, 1991Heard County, Troup County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 29, 1991, 2:04 PM EDT for Heard County, Troup County, Georgia. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Apr 29, 1991, 2:04 PM EDT (18:04 UTC)
Expired
Apr 29, 1991, 3:00 PM EDT
In force
56 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, 6.1 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.

Skew-T log-pSkew-T log-p diagram, Athens Municipal, GA at 12:00Z on 1991-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 466 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1991-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 191 square meters per square second.193958Sfc1 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
466 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
677 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
191 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KATL 291805
SVRATL
GAC149-285-291900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTA  GA
204 PM EDT MON APR 29 1991
 
THE NATIONAL WEATHER SERVICE IN ATLANTA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...HEARD COUNTY
 
IN WEST CENTRAL GEORGIA
 
   ...TROUP COUNTY
 
RADAR INDICATED A SEVERE THUNDERSTORM SOUTH OF FRANKLIN WITH POSSIBLE
LARGE HAIL INDICATED. THE STORM WAS IN A LINE OF SEVERE THUNDERSTORMS
FROM NORTHWEST OF NEWNAN GEORGIA TO WEST OF LA GRANGE GEORGIA AT 205
PM EDT. THE LINE WAS MOVING EAST AT 15 MPH.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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 29, 10:30 AM EDT, 3 hours 34 minutes before
GAZ005-ALZ012-291630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
1032 AM EDT MON APR 29 1991

...THUNDERSTORMS DEVELOPING OVER EAST ALABAMA...

AT 1029 EDT WEATHER RADAR INDICATED SHOWERS AND THUNDERSTORMS
STRETCHING FROM JUST SOUTHWEST OF MONTGOMERY INTO NORTHWEST GEORGIA.
THESE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 30 MPH. THESE STORMS
MAY PRODUCE HEAVY RAIN...GUSTY WINDS...AND LIGHTNING. THIS AREA IS
UNDER A TORNADO WATCH UNTIL 2 PM EDT. PEOPLE IN EAST CENTRAL ALABAMA
AND WEST CENTRAL GEORGIA SHOULD REMAIN ALERT OVER THE NEXT SEVERAL
HOURS FOR RAPIDLY CHANGING WEATHER. STAY TUNED TO NOAA WEATHER RADIO
FOR LATER STATEMENTS OR WARNINGS.
Special weather statement, Apr 29, 10:51 AM EDT, 3 hours 13 minutes before
GAZ001-003-291600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA  GA
1050 AM EDT MON APR 29 1991

...TORNADO WATCH NUMBER 236 IN EFFECT FOR MOST OF NORTHWEST GEORGIA
UNTIL 2 PM EDT THIS AFTERNOON.

AT 1045 AM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
THUNDERSTORMS ACROSS NORTHWEST GEORGIA EXTENDING FROM NEAR BLUE RIDGE
IN FANNIN COUNTY SOUTHWEST TO AROUND BOWDEN IN CARROLL COUNTY. THE
HEAVIEST THUNDERSTORMS WERE NEAR TALLAPOOSA IN HARALSON COUNTY...NEAR
ROCKMART IN POLK COUNTY...AND SOUTH OF CALHOUN IN GORDON COUNTY. THE
THUNDERSTORMS WERE MOVING TO THE NORTHEAST A 35 MILES AN HOUR.

ANOTHER LARGE AREA OF STRONG THUNDERSTORMS WAS MOVING EAST FROM ALABAMA.
THESE STORMS HAVE HAD A HISTORY OF PROCUDING DAMAGING WINDS AND VERY
HEAVY RAIN AS THEY MOVED OVER NORTHEAST ALABAMA.

PEOPLE IN NORTHWEST GEORGIA SHOULD CONTINUE TO BE ALERT TO CHANGING
WEATHER CONDITIONS. THESE THUNDERSTORMS MAY PRODUCE HAIL...DANGEROUS
LIGHTNING...FLASH FLOODS...AND GUSTY WINDS.
Special weather statement, Apr 29, 12:03 PM EDT, 2 hours 1 minute before
GAZ001-003-291700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA  GA
1200 PM EDT MON APR 29 1991

...TORNADO WATCH NUMBER 236 IN EFFECT FOR MOST OF NORTHWEST GEORGIA
UNTIL 2 PM EDT THIS AFTERNOON.
...SEVERE THUNDERSTORM WARNING IN EFFECT FOR BARTOW...PAULDING...CARROLL
AND HARALSON COUNTIES OF NORTHWEST GEORGIA UNTIL 1215 PM EDT....

AT 1155 AM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
STRONG THUNDERSTORMS...SOME WITH HEAVY RAINFALL AND SMALL HAIL...ACROSS
NORTHWEST GEORGIA EXTENDING FROM NEAR FAIRMONT IN GORDON COUNTY
SOUTHWEST TO AROUND BOWDEN IN CARROLL COUNTY. THE STRONGEST THUNDER-
STORMS WERE NORTH OF CARROLLTON IN CARROLL COUNTY...NEAR DALLAS IN
PAULDING COUNTY...AND NEAR CARTERSVILLE IN BARTOW COUNTY. THESE
THUNDERSTORMS WERE MOVING TO THE NORTHEAST A 35 MILES AN HOUR.

THE LARGE AREA OF STRONG THUNDERSTORMS THAT MOVED EAST FROM ALABAMA
HAD MERGED WITH THE FIRST LINE OF THUNDERSTORMS THAT WAS ACROSS
NORTHWEST GEORGIA EARLIER. IN ALABAMA THE THUNDERSTORMS HAD A HISTORY
OF PRODUCING DAMAGING WINDS AND HEAVY RAINFALL.

AT 1155 AM EDT THE THUNDERSTORMS OVER GEORGIA WERE INTENSIFYING.
PERSONS IN NORTHWEST GEORGIA SHOULD BE ALERT TO RAPIDLY CHANGING
WEATHER CONDITIONS. THESE THUNDERSTORMS MAY PRODUCE HAIL...DANGEROUS
LIGHTNING...FLASH FLOODS...AND GUSTY WINDS.
Special weather statement, Apr 29, 12:07 PM EDT, 1 hour 57 minutes before
GAZ005-ALZ012-291815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
1209 PM EDT MON APR 29 1991

...THUNDERSTORMS MOVING INTO EAST ALABAMA...

AT 1205 PM EDT WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS FROM
HEARD COUNTY TO CHEROKEE COUNTY IN NORTHWEST GEORGIA. ADDITIONAL
SHOWERS AND THUNDERSTORMS WERE SCATTERED FROM 25 MILES WEST OF
MONTGOMERY TO RANDOLPH COUNTY IN ALABAMA. THIS ACTIVITY WAS MOVING
SOUTHEAST AT 20 MPH.

THESE STORMS ARE PRODUCING HEAVY RAIN...GUSTY WINDS...AND LIGHTNING.
THESE STORMS ARE OCCURRING IN A TORNADO WATCH AREA SO RESIDENTS OF
EAST CENTRAL ALABAMA AND WEST GEORGIA SHOULD REMAIN ALERT FOR RAPIDLY
CHANGING WEATHER. STAY TUNED TO NOAA WEATHER RADIO FOR LATER
STATEMENTS OR WARNINGS.
Special weather statement, Apr 29, 1:07 PM EDT, 57 minutes before
GAZ002-004-291915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
106 PM EDT MON APR 29 1991

THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED TORNADO WATCH
NUMBER 238 FOR PARTS OF NORTH AND WEST CENTRAL GEORGIA EFFECTIVE THIS
MONDAY AFTERNOON AND EVENING UNTIL 900 PM EDT.

THIS INCLUDES ALL COUNTIES IN NORTHEAST GEORGIA.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AxND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
Special weather statement, Apr 29, 1:47 PM EDT, 17 minutes before
GAZ005-ALZ012-291945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
147 PM EDT MON APR 29 1991

...THUNDERSTORMS MOVING INTO EAST CENTRAL ALABAMA...

AT 143 PM EDT WEATHER RADAR INDICATED A BAND OF SHOWERS AND THUNDERSTO
MOVING INTO CHAMBERS...LEE...AND RUSSELL COUNTIES IN ALABAMA AT 25
MPH. THESE STORMS WILL BE ENTERING WEST CENTRAL GEORGIA WITHIN AN
HOUR.

THESE STORMS ARE PRODUCING HEAVY RAIN...GUSTY WINDS...AND LIGHTNING.
THIS ACTIVITY IS OCCURRING IN A TORNADO WATCH AREA SO PEOPLE IN EAST
CENTRAL ALABAMA AND WEST CENTRAL GEORGIA SHOULD REMAIN ALERT FOR
THREATENING WEATHER OVER THE NEXT SEVERAL HOURS. STAY TUNED TO NOAA
WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 8:01 PM EDTSevere Thunderstorm WarningFFCHouston44 min
Apr 28, 8:05 PM EDTSevere Thunderstorm WarningFFCLincoln40 min
Apr 28, 9:55 PM EDTSevere Thunderstorm WarningFFCEmanuel35 min
Apr 29, 11:10 AM EDTSevere Thunderstorm WarningFFCBartow, Paulding65 min
Apr 29, 11:22 AM EDTSevere Thunderstorm WarningFFCCarroll, Haralson53 min
Apr 29, 12:06 PM EDTSevere Thunderstorm WarningFFCCherokee, Pickens69 min
Apr 29, 12:19 PM EDTTornado WarningFFCCherokee, Cobb41 min
Apr 29, 12:22 PM EDTTornado WarningFFCDouglas, Paulding53 min
Apr 29, 12:31 PM EDTTornado WarningFFCCarroll, Heard44 min
Apr 29, 12:58 PM EDTTornado WarningFFCCobb47 min
Apr 29, 1:11 PM EDTTornado WarningFFCLumpkin, Union64 min
Apr 29, 1:11 PM EDTTornado WarningFFCDawson64 min
Apr 29, 1:16 PM EDTTornado WarningFFCDouglas44 min
Apr 29, 1:19 PM EDTTornado WarningFFCHeard41 min
Apr 29, 1:23 PM EDTTornado WarningFFCCherokee52 min
Apr 29, 1:48 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Fulton57 min
Apr 29, 1:48 PM EDTSevere Thunderstorm WarningFFCCoweta, Fayette57 min
Apr 29, 1:48 PM EDTSevere Thunderstorm WarningFFCForsyth57 min
Apr 29, 2:21 PM EDTTornado WarningFFCHall, Lumpkin, White69 min
Apr 29, 2:31 PM EDTSevere Thunderstorm WarningFFCGwinnett29 min
Apr 29, 2:36 PM EDTTornado WarningFFCTroup54 min
Apr 29, 2:49 PM EDTSevere Thunderstorm WarningFFCCoweta, Fulton41 min
Apr 29, 2:53 PM EDTTornado WarningFFCBanks, Habersham, Hall67 min
Apr 29, 3:02 PM EDTSevere Thunderstorm WarningFFCClayton, Fayette58 min
Apr 29, 3:18 PM EDTSevere Thunderstorm WarningFFCRabun57 min
Apr 29, 3:25 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb50 min
Apr 29, 3:34 PM EDTSevere Thunderstorm WarningFFCFayette26 min
Apr 29, 4:00 PM EDTSevere Thunderstorm WarningFFCElbert, Hart45 min
Apr 29, 4:03 PM EDTSevere Thunderstorm WarningFFCGwinnett27 min
Apr 29, 4:20 PM EDTSevere Thunderstorm WarningFFCBarrow, Jackson55 min
Apr 29, 4:20 PM EDTSevere Thunderstorm WarningFFCButts40 min
Apr 29, 4:27 PM EDTSevere Thunderstorm WarningFFCMorgan, Oconee, Walton63 min
Apr 29, 4:29 PM EDTTornado WarningFFCButts61 min
Apr 29, 4:44 PM EDTSevere Thunderstorm WarningFFCLincoln, Wilkes61 min
Apr 29, 4:53 PM EDTSevere Thunderstorm WarningFFCNewton37 min
Apr 29, 4:58 PM EDTSevere Thunderstorm WarningFFCFranklin47 min
Apr 29, 5:21 PM EDTSevere Thunderstorm WarningFFCClarke, Madison, Oglethorpe69 min
Apr 29, 5:33 PM EDTSevere Thunderstorm WarningFFCLincoln42 min
Apr 29, 7:21 PM EDTSevere Thunderstorm WarningFFCGlascock, Warren69 min
Apr 29, 7:21 PM EDTSevere Thunderstorm WarningFFCMcDuffie69 min
Apr 29, 7:49 PM EDTSevere Thunderstorm WarningFFCBurke, Jenkins41 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.