Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 764, NWS Atlanta, GA

June 25, 1998Macon County, Schley County, Sumter County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 25, 1998, 4:06 PM EDT for Macon County, Schley County, Sumter County, Georgia. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 25, 1998, 4:06 PM EDT (20:06 UTC)
Expired
Jun 25, 1998, 4:40 PM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Macon County, GA, Schley County, GA, Sumter County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.1 hours before the alert went out and 203 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, Tallahassee Rgnl, FL at 12:00Z on 1998-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1921 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 1998-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -87 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
1921 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
982 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-87 m²/s²
0-3 km storm-relative helicity
-37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 252006 RRA
SVRATL
GAC193-249-261-252040-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
406 PM EDT THU JUN 25 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MACON COUNTY IN WEST CENTRAL GEORGIA
  SCHLEY COUNTY IN WEST CENTRAL GEORGIA
  NORTHERN SUMTER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 440 PM EDT

* AT 402 PM EDT... A LINE OF SEVERE THUNDERSTORMS WITH LITTLE
MOVEMENT WAS INDICATED BY DOPPLER RADAR FROM 5 MILES WEST OF
ELLAVILLE TO 5 MILES EAST OF ANDERSONVILLE. THESE STORMS WILL CAUSE
LOCALIZED FLOODING AS WELL AS LARGE HAIL AND DAMAGING WINDS.

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. BOATERS...GOLFERS...
AND OTHERS INVOLVED IN OUTSIDE ACTIVITIES SHOULD SEEK SHELTER
IMMEDIATELY. IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR
TREES...OR HAIL THE SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO
THE NATIONAL WEATHER SERVICE BY CALLING 770-486-8535.

WRS

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, Jun 25, 3:45 PM EDT, 21 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-260145-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
345 PM EDT THU JUN 25 1998

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR THE REMAINDER OF
THE AFTERNOON AND THIS EVENING FOR CENTRAL AND SOUTHERN GEORGIA
GENERALLY SOUTH OF A LINE FROM LAGRANGE TO MACON TO SAVANNAH.
A VERY MOIST AND UNSTABLE AIRMASS IS ALREADY IN PLACE OVER MOST OF
GEORGIA. A BROKEN LINE OF THUNDERSTORMS OVER SOUTH CENTRAL GEORGIA
HAS ALREADY DEVELOPED THIS AFTERNOON... SOME OF THESE STORMS HAVE
BECOME SEVERE. CONDITIONS WILL BE FAVORABLE FOR THE DEVELOPMENT OF
SEVERE THUNDERSTORMS THROUGH THE AFTERNOON AND EVENING HOURS.

DAMAGING OUTFLOW WINDS AND LARGE HAIL WILL BE THE MAIN THREAT FROM
THESE STORMS.

SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD MONITOR THESE
WEATHER DEVELOPMENTS AND BE READY FOR POSSIBLE ACTIVATION. STAY ALERT
FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS FROM THIS OFFICE.

99
Special weather statement, Jun 25, 3:45 PM EDT, 21 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-260145-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
345 PM EDT THU JUN 25 1998

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR THE REMAINDER OF
THE AFTERNOON AND THIS EVENING FOR CENTRAL AND SOUTHERN GEORGIA
GENERALLY SOUTH OF A LINE FROM LAGRANGE TO MACON TO SAVANNAH.
A VERY MOIST AND UNSTABLE AIRMASS IS ALREADY IN PLACE OVER MOST OF
GEORGIA. A BROKEN LINE OF THUNDERSTORMS OVER SOUTH CENTRAL GEORGIA
HAS ALREADY DEVELOPED THIS AFTERNOON... SOME OF THESE STORMS HAVE
BECOME SEVERE. CONDITIONS WILL BE FAVORABLE FOR THE DEVELOPMENT OF
SEVERE THUNDERSTORMS THROUGH THE AFTERNOON AND EVENING HOURS.

DAMAGING OUTFLOW WINDS AND LARGE HAIL WILL BE THE MAIN THREAT FROM
THESE STORMS.

SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD MONITOR THESE
WEATHER DEVELOPMENTS AND BE READY FOR POSSIBLE ACTIVATION. STAY ALERT
FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS FROM THIS OFFICE.

99

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 8:11 PM EDTSevere Thunderstorm WarningFFCWhite34 min
Jun 24, 8:30 PM EDTSevere Thunderstorm WarningFFCLumpkin35 min
Jun 24, 8:59 PM EDTSevere Thunderstorm WarningFFCHall51 min
Jun 24, 10:45 PM EDTSevere Thunderstorm WarningFFCClarke, Oglethorpe35 min
Jun 25, 3:13 PM EDTSevere Thunderstorm WarningFFCCrisp32 min
Jun 25, 3:15 PM EDTSevere Thunderstorm WarningFFCMarion, Webster35 min
Jun 25, 3:34 PM EDTSevere Thunderstorm WarningFFCMacon, Schley, Sumter31 min
Jun 25, 3:50 PM EDTSevere Thunderstorm WarningFFCMarion30 min
Jun 25, 4:23 PM EDTSevere Thunderstorm WarningFFCMarion32 min
Jun 25, 4:58 PM EDTSevere Thunderstorm WarningFFCHarris47 min
Jun 25, 5:35 PM EDTSevere Thunderstorm WarningFFCHarris35 min
Jun 25, 7:46 PM EDTSevere Thunderstorm WarningFFCCarroll, Coweta, Fulton34 min
Jun 25, 7:53 PM EDTSevere Thunderstorm WarningFFCDouglas, Paulding32 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998Every severe thunderstorm warning in 1998

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.