Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 189, NWS Atlanta, GA

June 25, 2000Gwinnett County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 25, 2000, 2:36 PM EDT for Gwinnett County, Georgia. It was in force for 24 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Jun 25, 2000, 2:36 PM EDT (18:36 UTC)
Expired
Jun 25, 2000, 3:00 PM EDT
In force
24 min
Issued by
NWS Atlanta, GA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Gwinnett County, GA

The radar

The Atlanta radar (KFFC), 86 km from the middle of the area, began a volume at 18:40 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
Jun 25, 2:40 PM EDTHail 1Snellville, GAThe public reported dime to quarter size hail.
Jun 25, 3:10 PM EDTHail 1.25Snellville, GAThe public reported half-dollar size hail.

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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.6 hours before the alert went out and 83 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 2000-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 915 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 2000-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.1939Sfc1 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
915 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
1108 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
6 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.

798 
WUUS52 KFFC 251836
SVRATL
GAC135-251900-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
236 PM EDT SUN JUN 25 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 300 PM EDT

* AT 234 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 2 MILES EAST OF SNELLVILLE. THIS STORM WAS NEARLY
  STATIONARY.

* OTHER LOCATIONS IN THE WARNING INCLUDE SUWANEE...SUGAR HILL...
  NORCROSS...LILBURN...LAWRENCEVILLE...DULUTH...DACULA...BUFORD AND
  BERKELEY LAKE.

LARGE HAIL...DAMAGING WINDS AND TORRENTIAL RAIN ARE EXPECTED WITH
THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER WHILE THE STORM
PASSES.

LAT...LON 3417 8406 3410 8412 3405 8411 3401 8423
          3396 8427 3390 8423 3376 8402 3393 8380
          3400 8387 3410 8385

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 1:09 PM EDTSevere Thunderstorm WarningFFCCobb, DeKalb, Fulton36 min
Jun 25, 1:39 PM EDTSevere Thunderstorm WarningFFCNewton, Rockdale36 min
Jun 25, 1:50 PM EDTSevere Thunderstorm WarningFFCGwinnett25 min
Jun 25, 1:52 PM EDTSevere Thunderstorm WarningFFCWalton23 min
Jun 25, 2:02 PM EDTSevere Thunderstorm WarningFFCHenry28 min
Jun 25, 2:07 PM EDTSevere Thunderstorm WarningFFCClarke, Oconee23 min
Jun 25, 2:18 PM EDTSevere Thunderstorm WarningFFCHenry, Newton, Rockdale, Walton27 min
Jun 25, 2:18 PM EDTSevere Thunderstorm WarningFFCBarrow27 min
Jun 25, 2:28 PM EDTSevere Thunderstorm WarningFFCClayton32 min
Jun 25, 2:42 PM EDTSevere Thunderstorm WarningFFCPike33 min
Jun 25, 2:59 PM EDTSevere Thunderstorm WarningFFCBarrow, Gwinnett31 min
Jun 25, 3:29 PM EDTSevere Thunderstorm WarningFFCMonroe31 min
Jun 25, 3:46 PM EDTSevere Thunderstorm WarningFFCHeard29 min
Jun 25, 3:58 PM EDTSevere Thunderstorm WarningFFCBanks32 min
Jun 25, 4:04 PM EDTSevere Thunderstorm WarningFFCBaldwin26 min
Jun 25, 4:09 PM EDTSevere Thunderstorm WarningFFCBibb36 min
Jun 25, 4:13 PM EDTSevere Thunderstorm WarningFFCPutnam32 min
Jun 25, 4:33 PM EDTSevere Thunderstorm WarningFFCCarroll, Douglas, Paulding27 min
Jun 25, 5:09 PM EDTSevere Thunderstorm WarningFFCHaralson36 min
Jun 25, 5:33 PM EDTSevere Thunderstorm WarningFFCChattahoochee27 min
Jun 25, 5:50 PM EDTSevere Thunderstorm WarningFFCMarion, Webster25 min
Jun 25, 6:41 PM EDTSevere Thunderstorm WarningFFCStewart34 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2000Every severe thunderstorm warning in 2000

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.