Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 32, NWS Atlanta, GA

April 28, 2002Rockdale County, Walton County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 28, 2002, 10:03 PM EDT for Rockdale County, Walton County, Georgia. It was in force for 42 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
Apr 28, 2002, 10:03 PM EDT (02:03 UTC)
Expired
Apr 28, 2002, 10:45 PM EDT
In force
42 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Rockdale County, GA, Walton County, GA

The radar

The Atlanta radar (KFFC), 75 km from the middle of the area, began a volume at 02:07 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.

What was reported inside it

TimeReportWhereRemark
Apr 28, 10:25 PM EDTHail 0.88Loganville, GASeveral reports of dime to nickel size hail were relayed by amateur radio operators.

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
Apr 28, 9:00 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.1 hours before the alert went out and 69 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 2002-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1915 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 2002-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.1939587897117Sfc1 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
1915 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1206 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
1.3
Supercell composite
7.2

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KFFC 290203
SVRATL
GAC247-297-290245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1003 PM EDT SUN APR 28 2002

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN ROCKDALE COUNTY IN NORTH CENTRAL GEORGIA
  WESTERN WALTON COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 1045 PM EDT

* AT 1002 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES WEST OF LOGANVILLE...MOVING SOUTHEAST
  AT 30 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BETWEEN...
CONYERS...LAKEVIEW ESTATES...LOGANVILLE AND WALNUT GROVE.

HAIL TO THE SIZE OF NICKLES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN
THE WARNED AREA.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 8:04 PM EDTSevere Thunderstorm WarningFFCGordon26 min
Apr 28, 8:16 PM EDTSevere Thunderstorm WarningFFCBartow29 min
Apr 28, 8:33 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee27 min
Apr 28, 9:14 PM EDTSevere Thunderstorm WarningFFCCherokee, Fulton31 min
Apr 28, 9:27 PM EDTSevere Thunderstorm WarningFFCGwinnett48 min
Apr 28, 9:40 PM EDTTornado WarningFFCGwinnett35 min
Apr 28, 9:42 PM EDTSevere Thunderstorm WarningFFCDeKalb33 min
Apr 28, 9:53 PM EDTTornado WarningFFCDeKalb37 min
Apr 28, 10:22 PM EDTSevere Thunderstorm WarningFFCChattooga23 min
Apr 28, 10:22 PM EDTSevere Thunderstorm WarningFFCNewton53 min
Apr 28, 10:47 PM EDTSevere Thunderstorm WarningFFCFloyd28 min
Apr 28, 10:50 PM EDTTornado WarningFFCNewton, Walton25 min
Apr 28, 10:55 PM EDTSevere Thunderstorm WarningFFCMorgan50 min
Apr 28, 11:02 PM EDTSevere Thunderstorm WarningFFCFloyd28 min
Apr 29, 12:01 AM EDTSevere Thunderstorm WarningFFCCarroll29 min
Apr 29, 12:32 AM EDTSevere Thunderstorm WarningFFCCoweta43 min
Apr 29, 1:06 AM EDTSevere Thunderstorm WarningFFCFayette24 min
Apr 29, 2:03 AM EDTSevere Thunderstorm WarningFFCTroup42 min
Apr 29, 2:27 AM EDTSevere Thunderstorm WarningFFCLamar, Monroe33 min
Apr 29, 3:09 AM EDTSevere Thunderstorm WarningFFCBibb, Crawford, Monroe36 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2002Every severe thunderstorm warning in 2002

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; radar from the NEXRAD Level II archive.