Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 631, NWS Atlanta, GA

June 9, 1998Jefferson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 9, 1998, 8:51 PM EDT for Jefferson County, Georgia. It was in force for 49 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 9, 1998, 8:51 PM EDT (00:51 UTC)
Expired
Jun 9, 1998, 9:40 PM EDT
In force
49 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Jefferson County, GA

What was reported inside it

TimeReportWhereRemark
Jun 9, 9:10 PM EDTThunderstorm WindWrens, GAJefferson county 911 reported trees and power lines down at 3 different locations between Wrens and Louisville.

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, 0.9 hours before the alert went out and 197 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, Peachtre/Fal Fld, GA at 00:00Z on 1998-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1297 joules per kilogram.LCLEL10008507005003002001001 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, Peachtre/Fal Fld, GA at 00:00Z on 1998-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.19395878Sfc1 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
1297 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1250 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.6

Open this sounding in Storm Lab

The text

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

186 
WUUS1 KATL 100053 RRA
SVRATL
GAC163-100140-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
851 PM EDT TUE JUN 9 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 940 PM EDT

* AT 851 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  2 MILES NORTHWEST OF WRENS MOVING SOUTHEAST AT 25 MPH.



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.


KDF/TSM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 8:10 PM EDTSevere Thunderstorm WarningFFCPaulding50 min
Jun 9, 8:39 PM EDTSevere Thunderstorm WarningFFCDouglas51 min
Jun 9, 9:17 PM EDTSevere Thunderstorm WarningFFCCarroll48 min
Jun 9, 9:21 PM EDTSevere Thunderstorm WarningFFCMorgan49 min
Jun 9, 9:35 PM EDTSevere Thunderstorm WarningFFCDouglas, Fulton35 min
Jun 9, 9:52 PM EDTSevere Thunderstorm WarningFFCPutnam48 min
Jun 10, 1:36 PM EDTSevere Thunderstorm WarningFFCFannin, Gilmer49 min
Jun 10, 2:58 PM EDTSevere Thunderstorm WarningFFCCatoosa, Whitfield32 min
Jun 10, 3:07 PM EDTSevere Thunderstorm WarningFFCDade, Walker48 min
Jun 10, 3:57 PM EDTSevere Thunderstorm WarningFFCDawson, Lumpkin33 min
Jun 10, 3:57 PM EDTSevere Thunderstorm WarningFFCPickens33 min
Jun 10, 6:04 PM EDTSevere Thunderstorm WarningFFCNewton, Rockdale31 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.