Alert archive / Georgia / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 85, NWS Atlanta, GA

April 9, 1991Hancock County, Washington County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 9, 1991, 11:35 PM EDT for Hancock County, Washington County, Georgia. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Apr 9, 1991, 11:35 PM EDT (03:35 UTC)
Expired
Apr 10, 1991, 12:15 AM EDT
In force
40 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Hancock County, GA, Washington County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 00:00Z, 3.6 hours before the alert went out and 100 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 00:00Z on 1991-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1678 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 00:00Z on 1991-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
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

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAGS 100337
SVRAGS
GAC141-303-100415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUGUSTA GA
1135 PM EDT TUE APR 9 1991
 
THE NATIONAL WEATHER SERVICE IN AUGUSTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL GEORGIA
 
   ...HANCOCK COUNTY...WASHINGTON COUNTY
 
AT 1135 PM RADAR SHOWED A SEVERE THUNDERSTORM 20 MILES WEST OF
SANDERSVILLE GEORGIA MOVING TO THE EAST AT 35 MPH.
 
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

Special weather statement, Apr 9, 9:50 PM EDT, 1 hour 45 minutes before
GAZ006-008-009-100300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
950 PM EDT TUE APR 9 1991

...STRONG THUNDERSTORMS MOVING EAST TOWARD CENTRAL GEORGIA...

AT 945 PM RADAR IN MACON SHOWED AN AREA OF STRONG THUNDERSTORMS
BETWEEN MACON AND COLUMBUS MOVING EAST AT 25 MPH. THESE THUNDERSTORMS
STRETCHED FROM SOUTH OF ATLANTA TO NEAR TALBOTTON TO RICHLAND THEN
CURVED EAST TO NEAR AMERICUS AND MONTEZUMA.

THESE THUNDERSTORMS WILL BE MOVING INTO CENTRAL GEORGIA BETWEEN 9 PM
AND MIDNIGHT. SOME OF THE STORMS WILL PRODUCE STRONG GUSTY WINDS...
HEAVY RAIN...SMALL HAIL...AND DANGEROUS LIGHTNING.

FURTHER STATEMENTS WILL BE ISSUED TO UPDATE YOU ON THESE STORMS AS
THEY MOVE INTO CENTRAL GEORGIA THIS EVENING. BROADCASTS ON THE NOAA
WEATHER RADIO MAY BE YOU QUICKEST SOURCE OF INFORMATION IF RECEPTION
IS AVAILABLE IN YOUR AREA. STAY TUNED FOR LATER BROADCASTS.
Special weather statement, Apr 9, 9:56 PM EDT, 1 hour 39 minutes before
GAZ006-008-009-100300-

SPECIAL WEATHER STATEMENT...CORRECTION 2ND PARA...10 PM TO MIDNIGHT
NATIONAL WEATHER SERVICE MACON GA
950 PM EDT TUE APR 9 1991

...STRONG THUNDERSTORMS MOVING EAST TOWARD CENTRAL GEORGIA...

AT 945 PM RADAR IN MACON SHOWED AN AREA OF STRONG THUNDERSTORMS
BETWEEN MACON AND COLUMBUS MOVING EAST AT 25 MPH. THESE THUNDERSTORMS
STRETCHED FROM SOUTH OF ATLANTA TO NEAR TALBOTTON TO RICHLAND THEN
CURVED EAST TO NEAR AMERICUS AND MONTEZUMA.

THESE THUNDERSTORMS WILL BE MOVING INTO CENTRAL GEORGIA BETWEEN 10 PM
AND MIDNIGHT. SOME OF THE STORMS WILL PRODUCE STRONG GUSTY WINDS...
HEAVY RAIN...SMALL HAIL...AND DANGEROUS LIGHTNING.

FURTHER STATEMENTS WILL BE ISSUED TO UPDATE YOU ON THESE STORMS AS
THEY MOVE INTO CENTRAL GEORGIA THIS EVENING. BROADCASTS ON THE NOAA
WEATHER RADIO MAY BE YOU QUICKEST SOURCE OF INFORMATION IF RECEPTION
IS AVAILABLE IN YOUR AREA. STAY TUNED FOR LATER BROADCASTS.
Local storm report, Apr 9, 10:02 PM EDT, 1 hour 33 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATLANTA GA
1000 PM EDT TUE APR 9 1991

AT 950 PM A SPOTTER 2 MILES NORTH OF BALL GROUND IN CHEROKEE COUNTY
REPORTED PING PONG BALL SIZE HAIL AND HEAVY LIGHTNING.
Local storm report, Apr 9, 10:11 PM EDT, 1 hour 24 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATLANTA GA
1010 PM EDT TUE APR 9 1991

AT 945 PM THE DISPATCHER FOR HARALSON COUNTY SAID THEY WERE HAVING
HIGH WINDS BUT NO DAMAGE IN HARALSON COUNTY. HOWEVER...T'HERE WERE TREES
REPORTED AS BEING DOWN NEAR FRUTHURST IN CLEBURNE COUNTY IN ALABAMA.
Special weather statement, Apr 9, 10:58 PM EDT, 37 minutes before
GAZ005-006-100400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
1058 PM EDT TUE APR 9 1991

...THE SEVERE THUNDERSTORM WARNING FOR TAYLOR AND MACON COUNTIES
HAS BEEN CANCELLED AT 1055 PM EDT. THE STORMS HAVE MOVED EAST OF
THESE COUNTIES.

...A SEVERE THUNDERSTORM WATCH NUMBER 111 REMAINS IN EFFECT UNTIL
MIDNIGHT FOR HARRIS..MUSCOGEE..CHATTAHOOTCHEE AND TALBOT COUNTIES
OF WEST CENTRAL GEORGIA...

AT 1050 PM EDT COLUMBUS WEATHER RADAR WAS INDICATING THE THUNDERSTORMS
WERE ALL ALONG THE LEADING EDGE OF ALL THIS RAIN...OCCURRING FROM
10 MILES NORTHWEST OF GREY TO NEAR MACON  AND INTO NORTHERN HOUSTON
COUNTY. THERE WAS A SCATTERING OF THUNDERSTORMS BETWEEN UNADILLA AND
AlMERICUS. ALL THESE STORMS WERE MOVING EAST NORTHEAST AT 30 MILES
AN HOUR.

PERSONS IN THE WATCH AREA OF WEST CENTRAL GEORGIA SHOULD REMAIN
ALERT AND LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR
POSSIBLE WARNINGS.
Special weather statement, Apr 9, 11:00 PM EDT, 35 minutes before
GAZ005-006-100400-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA CORRECTION TO HEADING
1058 PM EDT TUE APR 9 1991

...THE SEVERE THUNDERSTORM WARNING FOR TAYLOR AND MACON COUNTIES
HAS BEEN CANCELLED AT 1055 PM EDT. THE STORMS HAVE MOVED EAST OF
THESE COUNTIES.

...A SEVERE THUNDERSTORM WATCH NUMBER 111 REMAINS IN EFFECT UNTIL
MIDNIGHT FOR HARRIS..MUSCOGEE..CHATTAHOOTCHEE AND TALBOT COUNTIES
OF WEST CENTRAL GEORGIA...

AT 1050 PM EDT COLUMBUS WEATHER RADAR WAS INDICATING THE THUNDERSTORMS
WERE ALL ALONG THE LEADING EDGE OF ALL THIS RAIN...OCCURRING FROM
10 MILES NORTHWEST OF GREY TO NEAR MACON  AND INTO NORTHERN HOUSTON
COUNTY. THERE WAS A SCATTERING OF THUNDERSTORMS BETWEEN UNADILLA AND
AMERICUS. ALL THESE STORMS WERE MOVING EAST NORTHEAST AT 30 MILES
AN HOUR.

PERSONS IN THE WATCH AREA OF WEST CENTRAL GEORGIA SHOULD REMAIN
ALERT AND LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR
POSSIBLE WARNINGS.

o

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 8:06 PM EDTSevere Thunderstorm WarningFFCDeKalb, Fulton39 min
Apr 9, 8:12 PM EDTSevere Thunderstorm WarningFFCGreene, Morgan63 min
Apr 9, 8:50 PM EDTSevere Thunderstorm WarningFFCRockdale40 min
Apr 9, 8:57 PM EDTSevere Thunderstorm WarningFFCWalton63 min
Apr 9, 10:14 PM EDTSevere Thunderstorm WarningFFCCrawford46 min
Apr 9, 10:15 PM EDTSevere Thunderstorm WarningFFCForsyth30 min
Apr 9, 10:21 PM EDTSevere Thunderstorm WarningFFCNewton69 min
Apr 9, 10:39 PM EDTSevere Thunderstorm WarningFFCBibb66 min
Apr 9, 11:00 PM EDTSevere Thunderstorm WarningFFCBarrow, Oconee, Walton60 min
Apr 9, 11:00 PM EDTSevere Thunderstorm WarningFFCHall60 min
Apr 9, 11:06 PM EDTSevere Thunderstorm WarningFFCBaldwin, Wilkinson69 min
Apr 10, 12:12 AM EDTSevere Thunderstorm WarningFFCGlascock, Jefferson, Warren48 min
Apr 10, 12:48 AM EDTSevere Thunderstorm WarningFFCColumbia, Richmond42 min
Apr 10, 1:01 AM EDTSevere Thunderstorm WarningFFCLincoln44 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.