Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 782, NWS Atlanta, GA

June 30, 1998Douglas County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 30, 1998, 8:24 PM EDT for Douglas County, Georgia. It was in force for 36 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: Jun 30, 1998, 8:24 PM EDT (00:24 UTC)
Expired: Jun 30, 1998, 9:00 PM EDT
In force: 36 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Douglas County, GA

The radar

The Atlanta radar (KFFC), 42 km from the middle of the area, began a volume at 00:27 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

Time	Report	Where	Remark
Jun 30, 8:30 PM EDT	Thunderstorm Wind	Countywide, GA	The Douglas county 911 reported trees and power lines down all across the county.

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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.4 hours before the alert went out and 44 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1323 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1608 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 113 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 010024 RRA
SVRATL
GAC097-010100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
824 PM EDT TUE JUN 30 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DOUGLAS COUNTY IN NORTHWESTERN GEORGIA

* UNTIL 900 PM EDT

* AT 823 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  6 MILES NORTHWEST OF DOUGLASVILLE MOVING SOUTHEAST AT 30
  MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   WINSTON                     AROUND 830 PM EDT
   BEULAH                      AROUND 835 PM EDT
   LITHIA SPRINGS              AROUND 835 PM EDT
   DOUGLASVILLE                AROUND 835 PM EDT
   HANNAH                      AROUND 845 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 STRUCTURES OR TREES...OR HAIL THE SIZE
OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER
SERVICE BY CALLING 770-486-8535.

PAH/SBL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 8:15 PM EDT	Severe Thunderstorm Warning	FFC	Gwinnett	35 min
Jun 30, 8:46 PM EDT	Severe Thunderstorm Warning	FFC	Fulton	34 min
Jun 30, 8:57 PM EDT	Severe Thunderstorm Warning	FFC	Clayton	33 min
Jun 30, 9:04 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb	36 min
Jun 30, 9:11 PM EDT	Severe Thunderstorm Warning	FFC	Newton, Rockdale	34 min
Jun 30, 9:14 PM EDT	Severe Thunderstorm Warning	FFC	Henry	36 min
Jun 30, 9:29 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Jasper	46 min
Jun 30, 10:26 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Gordon	34 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1998 Every 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.