Alert archive / Georgia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 31, NWS Atlanta, GA

April 28, 2002DeKalb County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 28, 2002, 9:42 PM EDT for DeKalb 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
Apr 28, 2002, 9:42 PM EDT (01:42 UTC)
Expired
Apr 28, 2002, 10:15 PM EDT
In force
33 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County DeKalb County, GA

The radar

The Atlanta radar (KFFC), 55 km from the middle of the area, began a volume at 01:42 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 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, 1.7 hours before the alert went out and 51 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.

840 
WUUS52 KFFC 290142
SVRATL
GAC089-290215-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DEKALB COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 1015 PM EDT

* AT 932 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM JUST NORTH OF DUNWOODY...MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...DUNWOODY AND
  DORAVILLE.

DAMAGING WINDS ARE LIKELY IN THE WARNED AREA. HAIL TO THE SIZE OF QUARTERS 
IS ALSO LIKELY 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.

$$

RAB

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, 9:53 PM EDTTornado WarningFFCDeKalb37 min
Apr 28, 10:03 PM EDTSevere Thunderstorm WarningFFCRockdale, Walton42 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.