Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 257, NWS Atlanta, GA

July 20, 2000Cobb County, Douglas County, Fulton County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 20, 2000, 8:43 PM EDT for Cobb County, Douglas County, Fulton County, Georgia. It was in force for 47 min. 3 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, 8:43 PM EDT (00:43 UTC)
Expired
Jul 20, 2000, 9:30 PM EDT
In force
47 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Cobb County, GA, Douglas County, GA, Fulton County, GA

What was reported inside it

TimeReportWhereRemark
Jul 20, 8:43 PM EDTThunderstorm Wind 50 EGAcworth, GAThe Canton Cherokee Tribune and the public reported numerous trees down across mainly the western half of Cobb county from Acworth, to Kennesaw, to Powder Springs, and westward to the Paulding county line. Most of the damage was sustained in the Apache Woods
Jul 20, 8:43 PM EDTThunderstorm Wind 50 EGCountywide, GAThe Douglasville County Sentinel and the public reported numerous trees down countywide. The county Emergency Management Association estimated that 75 to 100 trees were damaged in the county. A house was significantly damaged in Winston when a tree fell throu
Jul 20, 9:15 PM EDTThunderstorm Wind 50 EGCollege Park, GAThe public reported that strong thunderstorms winds blew the guttering off a house in College Park.

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, 0.7 hours before the alert went out and 50 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.

330 
WUUS52 KFFC 210045
SVRATL
GAC067-097-121-210130-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COBB COUNTY IN NORTH CENTRAL GEORGIA
  DOUGLAS COUNTY IN NORTH CENTRAL GEORGIA
  FULTON COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 930 PM EDT

* AT 841 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES NORTHWEST
  OF KENNESAW TO 18 MILES WEST OF PALMETTO...MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE VININGS...UNION CITY...
  SMYRNA...SANDY SPRINGS...ROSWELL...POWDER SPRINGS...MARIETTA...
  MABLETON...LITHIA SPRINGS...HAPEVILLE...FAIRBURN...FAIR OAKS...EAST
  POINT...DOUGLASVILLE...COLLEGE PARK...AUSTELL...ATLANTA...
  ALPHARETTA AND ACWORTH

SEVERE THUNDERSTORM WINDS CAN BE AS DESTRUCTIVE AS A TORNADO. FOR 
YOUR SAFETY...GO TO A SAFE PLACE IMMEDIATELY.  DAMAGING WINDS CAN 
OCCUR UP TO 10 MILES AHEAD OF THESE STORMS.  WINDS OF 60 MPH ARE 
POSSIBLE WITH THESE STORMS.

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, 8:49 PM EDTSevere Thunderstorm WarningFFCCoweta, Heard, Troup41 min
Jul 20, 9:05 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Fayette40 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.