Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 259, NWS Atlanta, GA

July 20, 2000Clayton County, DeKalb County, Fayette County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 20, 2000, 9:05 PM EDT for Clayton County, DeKalb County, Fayette County, Georgia. It was in force for 40 min. 2 reports 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
Jul 20, 2000, 9:05 PM EDT (01:05 UTC)
Expired
Jul 20, 2000, 9:45 PM EDT
In force
40 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Clayton County, GA, DeKalb County, GA, Fayette County, GA

What was reported inside it

TimeReportWhereRemark
Jul 20, 9:15 PM EDTThunderstorm Wind 50 EGNorth Atlanta, GAThe public reported two trees down on Ashford Knoll Road in North Atlanta and a metal shed blown off its foundation a mile south of Cedar Grove in southwest DeKalb county.
Jul 20, 9:45 PM EDTThunderstorm Wind 50 EGFayetteville, GAThe Fayette county 911 center reported trees down on a road and one tree down on a house.

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
Jul 20, 8:00 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.1 hours before the alert went out and 26 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 2000-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 532 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 2000-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
532 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
2423 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
68 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.

717 
WUUS52 KFFC 210105
SVRATL
GAC063-089-113-210145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
905 PM EDT THU JUL 20 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 945 PM EDT

* AT 859 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM ROSWELL TO 5
  MILES NORTHWEST OF NEWNAN...MOVING EAST AT 35 MPH.

WIND GUSTS TO 60 MPH ARE POSSIBLE WITH THESE STORMS.  WIND DAMAGE 
CAN OCCUR UP TO 15 MILES AHEAD OF THIS LINE OF STORMS.

SEVERE THUNDERSTORM WINDS CAN BE AS DESTRUCTIVE AS A TORNADO. FOR
YOUR SAFETY...GO TO A SAFE PLACE IMMEDIATELY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 8:02 PM EDTSevere Thunderstorm WarningFFCBartow, Gordon, Murray, Whitfield43 min
Jul 20, 8:26 PM EDTSevere Thunderstorm WarningFFCCarroll, Paulding49 min
Jul 20, 8:43 PM EDTSevere Thunderstorm WarningFFCCobb, Douglas, Fulton47 min
Jul 20, 8:49 PM EDTSevere Thunderstorm WarningFFCCoweta, Heard, Troup41 min
Jul 20, 9:10 PM EDTSevere Thunderstorm WarningFFCHarris, Muscogee35 min
Jul 20, 9:22 PM EDTSevere Thunderstorm WarningFFCMeriwether23 min
Jul 20, 9:35 PM EDTSevere Thunderstorm WarningFFCTalbot25 min
Jul 20, 9:38 PM EDTSevere Thunderstorm WarningFFCPike, Spalding37 min
Jul 20, 9:45 PM EDTSevere Thunderstorm WarningFFCLamar, Upson45 min
Jul 20, 9:58 PM EDTSevere Thunderstorm WarningFFCButts, Monroe32 min
Jul 20, 9:58 PM EDTSevere Thunderstorm WarningFFCCrawford, Taylor32 min
Jul 20, 10:24 PM EDTSevere Thunderstorm WarningFFCBibb, Peach36 min
Jul 20, 10:24 PM EDTSevere Thunderstorm WarningFFCMacon36 min
Jul 20, 10:38 PM EDTSevere Thunderstorm WarningFFCHouston, Twiggs37 min
Jul 20, 11:08 PM EDTSevere Thunderstorm WarningFFCBleckley, Wilkinson37 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.