Alert archive / Georgia / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 157, NWS Atlanta, GA

May 2, 2003Gwinnett County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 2, 2003, 6:29 PM EDT for Gwinnett County, Georgia. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 2, 2003, 6:29 PM EDT (22:29 UTC)
Expired
May 2, 2003, 7:00 PM EDT
In force
31 min
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County Gwinnett County, GA

The radar

The Atlanta radar (KFFC), 84 km from the middle of the area, began a volume at 22:28 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
May 2, 6:25 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.5 hours before the alert went out and 79 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 2003-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 181 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 2003-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.193958Sfc1 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
181 J/kg
Mixed-layer CIN
-255 J/kg
Mixed-layer LCL
1158 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
102 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.

677 
WUUS52 KFFC 022229
SVRATL
GAC135-022300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
628 PM EDT FRI MAY 2 2003

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN GWINNETT COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 700 PM EDT

* AT 628 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER LILBURN...MOVING EAST AT 35 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...DACULA...
GRAYSON...LAWRENCEVILLE AND SNELLVILLE.

HAIL TO THE SIZE OF GOLF BALLS 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.

LAT...LON 3396 8410 3382 8403 3393 8380 3399 8385

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 8:01 PM EDTSevere Thunderstorm WarningFFCDeKalb29 min
May 1, 8:23 PM EDTSevere Thunderstorm WarningFFCSumter22 min
May 1, 8:47 PM EDTSevere Thunderstorm WarningFFCGwinnett28 min
May 1, 9:01 PM EDTSevere Thunderstorm WarningFFCLumpkin29 min
May 1, 9:06 PM EDTSevere Thunderstorm WarningFFCBarrow24 min
May 1, 9:16 PM EDTSevere Thunderstorm WarningFFCMacon, Schley29 min
May 1, 9:23 PM EDTSevere Thunderstorm WarningFFCMuscogee37 min
May 1, 9:31 PM EDTSevere Thunderstorm WarningFFCLumpkin29 min
May 1, 10:04 PM EDTSevere Thunderstorm WarningFFCDawson, Pickens41 min
May 2, 3:19 PM EDTSevere Thunderstorm WarningFFCDade26 min
May 2, 3:55 PM EDTSevere Thunderstorm WarningFFCWalker35 min
May 2, 4:00 PM EDTSevere Thunderstorm WarningFFCChattooga30 min
May 2, 4:19 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee56 min
May 2, 4:25 PM EDTSevere Thunderstorm WarningFFCFloyd, Gordon35 min
May 2, 4:36 PM EDTSevere Thunderstorm WarningFFCChattooga24 min
May 2, 5:00 PM EDTSevere Thunderstorm WarningFFCFloyd30 min
May 2, 5:13 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee62 min
May 2, 5:28 PM EDTSevere Thunderstorm WarningFFCFulton32 min
May 2, 5:59 PM EDTSevere Thunderstorm WarningFFCFulton46 min
May 2, 6:00 PM EDTSevere Thunderstorm WarningFFCDeKalb45 min
May 2, 6:14 PM EDTSevere Thunderstorm WarningFFCDeKalb31 min
May 2, 6:25 PM EDTSevere Thunderstorm WarningFFCPolk35 min
May 2, 6:32 PM EDTSevere Thunderstorm WarningFFCNewton28 min
May 2, 6:36 PM EDTSevere Thunderstorm WarningFFCHaralson24 min
May 2, 6:36 PM EDTSevere Thunderstorm WarningFFCRockdale, Walton39 min
May 2, 6:53 PM EDTSevere Thunderstorm WarningFFCPike22 min
May 2, 6:53 PM EDTSevere Thunderstorm WarningFFCFayette37 min
May 2, 6:58 PM EDTSevere Thunderstorm WarningFFCGreene, Morgan, Oconee, Oglethorpe47 min
May 2, 7:07 PM EDTSevere Thunderstorm WarningFFCJasper, Newton53 min
May 2, 7:20 PM EDTSevere Thunderstorm WarningFFCHenry, Spalding55 min
May 2, 7:24 PM EDTSevere Thunderstorm WarningFFCHaralson, Polk36 min
May 2, 7:32 PM EDTSevere Thunderstorm WarningFFCGreene, Morgan, Putnam43 min
May 2, 7:46 PM EDTTornado WarningFFCCarroll, Haralson29 min
May 2, 7:51 PM EDTSevere Thunderstorm WarningFFCButts, Spalding39 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2003Every severe thunderstorm warning in 2003

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.