Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 795, NWS Atlanta, GA

July 8, 1998Cobb County, Fulton County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 8, 1998, 3:12 PM EDT for Cobb County, Fulton County, Georgia. It was in force for 33 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
Jul 8, 1998, 3:12 PM EDT (19:12 UTC)
Expired
Jul 8, 1998, 3:45 PM EDT
In force
33 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Cobb County, GA, Fulton County, GA

The radar

The Atlanta radar (KFFC), 56 km from the middle of the area, began a volume at 19:16 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.2 hours before the alert went out and 55 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 12:00Z on 1998-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 220 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, Peachtre/Fal Fld, GA at 12:00Z on 1998-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
220 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
1158 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
44 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.

752 
WUUS1 KATL 081913 RRA
SVRATL
GAC067-121-081945-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
312 PM EDT WED JUL 8 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COBB COUNTY IN NORTHWESTERN GEORGIA
  NORTHERN FULTON COUNTY IN NORTHWESTERN GEORGIA

* UNTIL 345 PM EDT

* AT 309 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  IN THE VICINITY OF MARIETTA OR IN THE VICINITY OF SMYRNA
  MOVING EAST AT 25 MPH. DOBBINS ARB EXPERIENCED WIND GUSTS TO
  AROUND 50 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   VININGS                     AROUND 315 PM EDT
   SANDY SPRINGS               AROUND 325 PM EDT
   CHASTAIN MEMORIAL PARK      AROUND 325 PM EDT
   ATLANTA                     AROUND 335 PM EDT
   PIEDMONT PARK               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 STRUCTURES OR TREES...OR HAIL THE SIZE
OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER
SERVICE BY CALLING 770-486-8535.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 2:06 PM EDTSevere Thunderstorm WarningFFCCarroll, Haralson34 min
Jul 8, 2:52 PM EDTSevere Thunderstorm WarningFFCPickens33 min
Jul 8, 3:16 PM EDTSevere Thunderstorm WarningFFCDawson, Forsyth34 min
Jul 8, 3:17 PM EDTSevere Thunderstorm WarningFFCCoweta33 min
Jul 8, 3:24 PM EDTSevere Thunderstorm WarningFFCFulton36 min
Jul 8, 3:35 PM EDTSevere Thunderstorm WarningFFCGwinnett30 min
Jul 8, 3:41 PM EDTSevere Thunderstorm WarningFFCHall49 min
Jul 8, 3:49 PM EDTSevere Thunderstorm WarningFFCBarrow, Clarke, Oconee51 min
Jul 8, 4:03 PM EDTSevere Thunderstorm WarningFFCMadison37 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; radar from the NEXRAD Level II archive.