Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 502, NWS Atlanta, GA

May 10, 1998Cobb County, Fulton County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 10, 1998, 2:33 AM EDT for Cobb County, Fulton County, Georgia. It was in force for 32 min. 2 reports 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 10, 1998, 2:33 AM EDT (06:33 UTC)
Expired
May 10, 1998, 3:05 AM EDT
In force
32 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Cobb County, GA, Fulton County, GA

What was reported inside it

TimeReportWhereRemark
May 10, 2:40 AM EDTHail 0.75Marietta, GA
May 10, 2:43 AM EDTHail 0.75Sandy Spgs, GA

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 10, 12:30 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.6 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 00:00Z on 1998-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 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 00:00Z on 1998-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939587897Sfc1 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
37 J/kg
Mixed-layer CIN
-470 J/kg
Mixed-layer LCL
1589 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
145 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 100633 RRA
SVRATL
GAC067-121-100705-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
233 AM EDT SUN MAY 10 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 305 AM EDT

* AT 231 AM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  6 MILES WEST OF VININGS MOVING NORTHEAST AT 55 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   VININGS                     AROUND 235 AM EDT
   CHASTAIN MEMORIAL PARK      AROUND 240 AM EDT
   SANDY SPRINGS               AROUND 240 AM EDT
   ROSWELL                     AROUND 245 AM EDT
   ALPHARETTA                  AROUND 250 AM EDT



A TORNADO WATCH IS ALSO IN EFFECT IN OR NEAR THE WARNED AREA.
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE
ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. 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.

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

Local storm report, May 10, 1:34 AM EDT, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
134 AM EDT SAT MAY 10 1998

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1150 PM    FELTON                    GA   0.75 INCH HAIL
5/9/98     POLK                           REPORTED BY HAM

1153 PM    FISH CREEK                GA   0.75 INCH HAIL
5/9/98     POLK                           REPORTED BY HAM

1230 AM    4 SE CARTERSVILLE         GA   1.00 INCH HAIL
5/10/98    BARTOW                         REPORTED BY PUBLIC

1250 AM    BROOKHAVEN                GA   0.75 INCH HAIL
5/10/98    FULTON                         ALONG CHAMBLEE ROAD

1250 AM    VININGS                   GA   0.75 INCH HAIL
5/10/98    COBB                           REPORTED BY PUBLIC

1255 AM    SANDY SPRINGS             GA   0.75 INCH HAIL
5/10/98    FULTON                         REPORTED BY PUBLIC

1250 AM    SANDY SPRINGS             GA   0.75 INCH HAIL
5/10/98    FULTON                         REPORTED BY PUBLIC

105 AM     DUNWOODY                  GA   0.75 INCH HAIL
5/10/98    DEKALB                         REPORTED BY PUBLC

108 AM     NORCROSS                  GA   0.75 INCH HAIL
5/10/98    GWINNETT                       REPORTED BY PUBLC

110 AM     8 SW CUMMING              GA   0.75 INCH HAIL
5/10/98    FORSYTH                        REPORTED BY PUBLIC

134 AM     PALMETTO                  GA   1.00 INCH HAIL
5/10/98    FULTON                         REPORTED BY PUBLIC
Local storm report, May 10, 1:34 AM EDT, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
134 AM EDT SAT MAY 10 1998

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1150 PM    FELTON                    GA   0.75 INCH HAIL
5/9/98     POLK                           REPORTED BY HAM

1153 PM    FISH CREEK                GA   0.75 INCH HAIL
5/9/98     POLK                           REPORTED BY HAM

1230 AM    4 SE CARTERSVILLE         GA   1.00 INCH HAIL
5/10/98    BARTOW                         REPORTED BY PUBLIC

1250 AM    BROOKHAVEN                GA   0.75 INCH HAIL
5/10/98    FULTON                         ALONG CHAMBLEE ROAD

1250 AM    VININGS                   GA   0.75 INCH HAIL
5/10/98    COBB                           REPORTED BY PUBLIC

1255 AM    SANDY SPRINGS             GA   0.75 INCH HAIL
5/10/98    FULTON                         REPORTED BY PUBLIC

1250 AM    SANDY SPRINGS             GA   0.75 INCH HAIL
5/10/98    FULTON                         REPORTED BY PUBLIC

105 AM     DUNWOODY                  GA   0.75 INCH HAIL
5/10/98    DEKALB                         REPORTED BY PUBLC

108 AM     NORCROSS                  GA   0.75 INCH HAIL
5/10/98    GWINNETT                       REPORTED BY PUBLC

110 AM     8 SW CUMMING              GA   0.75 INCH HAIL
5/10/98    FORSYTH                        REPORTED BY PUBLIC

134 AM     PALMETTO                  GA   1.00 INCH HAIL
5/10/98    FULTON                         REPORTED BY PUBLIC

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 12:04 AM EDTSevere Thunderstorm WarningFFCBartow, Paulding, Polk36 min
May 10, 12:25 AM EDTSevere Thunderstorm WarningFFCCobb35 min
May 10, 12:42 AM EDTSevere Thunderstorm WarningFFCCherokee, Fulton33 min
May 10, 12:45 AM EDTSevere Thunderstorm WarningFFCCarroll35 min
May 10, 12:51 AM EDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett34 min
May 10, 12:51 AM EDTSevere Thunderstorm WarningFFCForsyth34 min
May 10, 1:08 AM EDTSevere Thunderstorm WarningFFCDouglas, Fulton52 min
May 10, 1:12 AM EDTSevere Thunderstorm WarningFFCBarrow, Hall, Jackson33 min
May 10, 3:00 AM EDTSevere Thunderstorm WarningFFCPaulding35 min
May 10, 3:19 AM EDTSevere Thunderstorm WarningFFCHaralson, Polk36 min
May 10, 3:40 AM EDTSevere Thunderstorm WarningFFCCobb, Fulton35 min
May 10, 4:11 AM EDTSevere Thunderstorm WarningFFCDeKalb34 min
May 10, 4:13 AM EDTSevere Thunderstorm WarningFFCGwinnett32 min
May 10, 5:06 AM EDTSevere Thunderstorm WarningFFCOconee, Walton49 min
May 10, 5:51 AM EDTSevere Thunderstorm WarningFFCGreene, Morgan49 min
May 10, 6:45 AM EDTSevere Thunderstorm WarningFFCTaliaferro, Wilkes35 min
May 10, 8:19 AM EDTSevere Thunderstorm WarningFFCHarris, Troup36 min
May 10, 9:45 AM EDTSevere Thunderstorm WarningFFCWhite20 min
May 10, 12:35 PM EDTSevere Thunderstorm WarningFFCJohnson, Washington35 min
May 10, 3:27 PM EDTSevere Thunderstorm WarningFFCWilkes33 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.