Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 148, NWS Atlanta, GA

May 7, 1999Cobb County, Fulton County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 7, 1999, 7:30 PM EDT for Cobb County, Fulton County, Georgia. It was in force for 35 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
May 7, 1999, 7:30 PM EDT (23:30 UTC)
Expired
May 7, 1999, 8:05 PM EDT
In force
35 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Cobb County, GA, Fulton County, GA

What was reported inside it

TimeReportWhereRemark
May 7, 7:30 PM EDTHail 1Alpharetta, GAThe public reported quarter size hail.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 7, 3:15 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.5 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 1999-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 362 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, Peachtre/Fal Fld, GA at 12:00Z on 1999-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
362 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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 072330 RRA
SVRATL
GAC067-121-080005-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
730 PM EDT FRI MAY 7 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 805 PM EDT

* AT 729 PM EDT... A LINE OF SEVERE THUNDERSTORMS WAS INDICATED BY
   DOPPLER RADAR FROM MARIETTA TO UNION CITY.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
    ROSWELL
    ATLANTA
    COLLEGE PARK
    EAST POINT

A TORNADO WATCH IS ALSO IN EFFECT IN OR NEAR THE WARNED AREA.
SEVERE THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES WITH LITTLE OR
NO ADVANCE WARNING. BE ALERT...BUT REMAIN CALM. IF YOU SEE DAMAGE
OR LARGE HAIL...CALL THE NATIONAL WEATHER SERVICE AT 770-486-1133
AT EXTENSION 2 0 4.

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 9:45 PM EDTSevere Thunderstorm WarningFFCMarion20 min
May 7, 4:23 AM EDTSevere Thunderstorm WarningFFCTroup32 min
May 7, 2:34 PM EDTSevere Thunderstorm WarningFFCCarroll36 min
May 7, 2:40 PM EDTSevere Thunderstorm WarningFFCGilmer35 min
May 7, 3:25 PM EDTSevere Thunderstorm WarningFFCFannin, Union30 min
May 7, 3:42 PM EDTTornado WarningFFCCarroll13 min
May 7, 4:05 PM EDTTornado WarningFFCCarroll, Haralson30 min
May 7, 4:11 PM EDTSevere Thunderstorm WarningFFCTowns34 min
May 7, 4:17 PM EDTTornado WarningFFCPaulding33 min
May 7, 4:33 PM EDTTornado WarningFFCCarroll, Haralson32 min
May 7, 4:34 PM EDTTornado WarningFFCCobb36 min
May 7, 4:37 PM EDTSevere Thunderstorm WarningFFCTroup33 min
May 7, 4:51 PM EDTTornado WarningFFCPaulding34 min
May 7, 5:00 PM EDTTornado WarningFFCCherokee35 min
May 7, 5:03 PM EDTTornado WarningFFCCarroll32 min
May 7, 5:19 PM EDTTornado WarningFFCGordon, Pickens36 min
May 7, 5:22 PM EDTTornado WarningFFCCobb, Paulding33 min
May 7, 5:41 PM EDTTornado WarningFFCCherokee49 min
May 7, 5:48 PM EDTSevere Thunderstorm WarningFFCCarroll47 min
May 7, 5:52 PM EDTSevere Thunderstorm WarningFFCHaralson33 min
May 7, 6:07 PM EDTSevere Thunderstorm WarningFFCTroup33 min
May 7, 6:10 PM EDTSevere Thunderstorm WarningFFCHeard35 min
May 7, 6:13 PM EDTSevere Thunderstorm WarningFFCLumpkin32 min
May 7, 6:18 PM EDTSevere Thunderstorm WarningFFCCarroll, Coweta37 min
May 7, 6:26 PM EDTSevere Thunderstorm WarningFFCDawson34 min
May 7, 6:30 PM EDTSevere Thunderstorm WarningFFCTowns, Union50 min
May 7, 6:34 PM EDTSevere Thunderstorm WarningFFCDouglas, Paulding31 min
May 7, 6:42 PM EDTSevere Thunderstorm WarningFFCCobb, Fulton48 min
May 7, 6:44 PM EDTSevere Thunderstorm WarningFFCMeriwether36 min
May 7, 7:00 PM EDTSevere Thunderstorm WarningFFCTroup50 min
May 7, 7:19 PM EDTSevere Thunderstorm WarningFFCLumpkin, White51 min
May 7, 7:26 PM EDTSevere Thunderstorm WarningFFCCarroll, Douglas34 min
May 7, 7:44 PM EDTSevere Thunderstorm WarningFFCTroup31 min
May 7, 7:53 PM EDTTornado WarningFFCMeriwether, Troup47 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1999Every severe thunderstorm warning in 1999

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.