Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 496, NWS Atlanta, GA

May 10, 1998Cherokee County, Fulton County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 10, 1998, 12:42 AM EDT for Cherokee County, Fulton County, Georgia. It was in force for 33 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 10, 1998, 12:42 AM EDT (04:42 UTC)
Expired
May 10, 1998, 1:15 AM EDT
In force
33 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Cherokee County, GA, Fulton County, GA

What was reported inside it

TimeReportWhereRemark
May 10, 12:50 AM EDTHail 0.75Sandy Spgs, GASeveral public reports indicated dime size hail fell. One said it covered the ground.

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, 4.7 hours before the alert went out and 72 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 100442 RRA
SVRATL
GAC057-121-100515-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1242 AM EDT SUN MAY 10 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 115 AM EDT

* AT 1239 AM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  11 MILES NORTHWEST OF SANDY SPRINGS MOVING EAST AT 45 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE...
   SANDY SPRINGS               AROUND 1250 AM EDT
   ROSWELL                     AROUND 1250 AM EDT
   ALPHARETTA                  AROUND 1255 AM EDT

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING. IF YOU EXPERIENCE STORM DAMAGE 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
May 10, 12:04 AM EDTSevere Thunderstorm WarningFFCBartow, Paulding, Polk36 min
May 10, 12:25 AM EDTSevere Thunderstorm WarningFFCCobb35 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, 2:33 AM EDTSevere Thunderstorm WarningFFCCobb, Fulton32 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.