Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 790, NWS Atlanta, GA

July 3, 1998Butts County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 3, 1998, 3:11 PM EDT for Butts County, Georgia. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 3, 1998, 3:11 PM EDT (19:11 UTC)
Expired
Jul 3, 1998, 3:45 PM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Butts County, GA

The radar

The Atlanta radar (KFFC), 57 km from the middle of the area, began a volume at 19:15 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jul 3, 3:30 PM EDTThunderstorm WindJackson, GAButts county 911 reported trees were blown down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.2 hours before the alert went out and 263 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, Birmingham, AL at 12:00Z on 1998-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 900 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, Birmingham, AL at 12:00Z on 1998-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939Sfc1 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
900 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
821 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
6 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 031911 RRA
SVRATL
GAC035-031945-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
311 PM EDT FRI JUL 3 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BUTTS COUNTY IN NORTHEASTERN GEORGIA

* UNTIL 345 PM EDT

* AT 309 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  4 MILES WEST OF JACKSON MOVING EAST AT 15 MPH.
  LOCUST GROVE FIRE STATION IN HENRY COUNTY REPORTED GUSTS
  AROUND 40 MILES PER HOUR WITH THIS STORM.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   JACKSON                     AROUND 320 PM EDT
   FINCHERVILLE                AROUND 325 PM EDT
   WORTHVILLE                  AROUND 330 PM EDT
   INDIAN SPRINGS              AROUND 330 PM EDT
   FLOVILLA                    AROUND 335 PM EDT



WHEN THUNDERSTORMS ARE OCCURRING...LIGHTNING POSES A SERIOUS
DANGER. STAY INDOORS AND AWAY FROM WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. IF BOATING OR
SWIMMING...GET TO LAND QUICKLY AND FIND SHELTER. IF IN THE OPEN
FIND A LOW SPOT AWAY FROM TREES...FENCES...AND POLES. IF YOU
EXPERIENCE STORM DAMAGE TO ST
RUCTURES OR TREES...OR HAIL THE SIZE
OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER
SERVICE BY CALLING 770-486-8535.

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, Jul 3, 11:15 AM EDT, 3 hours 56 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-032100-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1115 AM EDT FRI JUL 3 1998

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON
AND EVENING OVER NORTH AND CENTRAL GEORGIA.

THUNDERSTORMS COULD DEVELOP EASILY OVER GEORGIA THIS AFTERNOON
BECAUSE THE ATMOSPHERE IS MOIST AND UNSTABLE. AS AN UPPER AIR
DISTURBANCE OVER THE TENNESSEE VALLEY MOVES TOWARD GEORGIA...
SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP BY 3 PM. ISOLATED
STORMS COULD BECOME SEVERE AND PRODUCE DAMAGING DOWNBURST WINDS.

SPOTTER ACTIVATION IS NOT LIKELY DUE TO THE EXPECTED ISOLATED NATUpRE
OF ANY SEVERE THUNDERSTORMS.

WRS
Special weather statement, Jul 3, 11:15 AM EDT, 3 hours 56 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
091>098-103>113-032100-

NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1115 AM EDT FRI JUL 3 1998

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON
AND EVENING OVER NORTH AND CENTRAL GEORGIA.

THUNDERSTORMS COULD DEVELOP EASILY OVER GEORGIA THIS AFTERNOON
BECAUSE THE ATMOSPHERE IS MOIST AND UNSTABLE. AS AN UPPER AIR
DISTURBANCE OVER THE TENNESSEE VALLEY MOVES TOWARD GEORGIA...
SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP BY 3 PM. ISOLATED
STORMS COULD BECOME SEVERE AND PRODUCE DAMAGING DOWNBURST WINDS.

SPOTTER ACTIVATION IS NOT LIKELY DUE TO THE EXPECTED ISOLATED NATUpRE
OF ANY SEVERE THUNDERSTORMS.

WRS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 3:34 PM EDTSevere Thunderstorm WarningFFCMonroe31 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.