Flood — Cobb, Georgia

2004-09-16 to 2004-09-18 · Cobb, Georgia

Wider weather episode

Rainfall with hurricane Ivan reached 10-12 inches in parts of north Georgia, including the Atlanta metropolitan area. Most of this rain fell within a period of 24 hours or less. Record flooding was reported on many creeks and rivers in the Atlanta Metropolitan area. Peachtree Creek, Nancy Creek, and the Chattahoochee River all reached or exceeded record flood stages. Catastrophic flooding resulted. Some of the stages observed during the event include:Peachtree Creek: Crested at 22.2 feet, over 5 feet above the flood stage of 17.0 feet. The previous record high crest was 21.1 feet on March 17, 1990, considered a 100-year flood event. An estimated high water mark of 25.8 feet was observed in 1919 before a gage existed at this location.Nancy Creek: Crested at 15.26 feet, over 4 feet above the flood stage of 11.0 feet. Record high crest of 15.5 feet was observed on December 1, 1973.Chattahoochee River (Vinings): Crested at 22.60 feet, more than 8.0 feet above the flood stage of 14.0 feet. Record high crest of 23.10 feet was observed on March 7, 1990. This was the second highest crest since the Buford Dam was built.Suwanee Creek: Crested at 11.1 feet, more than 3 feet above the flood stage of 8.0 feet. Record high crest of 11.42 feet on March 17, 1990.Big Creek (Alpharetta): Crested at 11.3 feet, more than 4 feet above the flood stage of 7.0 feet. Previous record high crest of 11.29 feet on March 9, 1998.Sope Creek (Marietta): Crested at 17.47 feet, more than 5 feet above the flood stage of 12.0 feet. Previous record high crest of 15.74 feet on March 8, 1998.Other county flood reports not considered flash flooding:Barrow: Heavy rain caused flooding of several roads throughout the county. Flooding was reported in the Betts Mill, Betts Creek, and Jamestown areas. However, there were no reports of roads or bridges washed out or significant structural flooding. (Estimated Damages: $5,000)Bibb: Heavy rain caused several streams in the county to exceed bankfull through the overnight hours.Cherokee: Moderate flooding occurred along the Etowah River throughout the county, including Canton. Several businesses were flooded in Canton along the river where the river crested 6 to 7 feet above its flood stage of 16 feet on September 27'th. Numerous roads were flooded from the river flooding. (Estimated Damage: $500,000)Cobb: As a result of the Chattahoochee River reaching a record high crest of 23.1 feet, major to catastrophic flooding was reported in areas along and near the river, especially in the Vinings area. Several million dollar homes were literally surrounded on four sides by the flood waters of the Chattahoochee River. Flood waters rose up to six-feet deep on homes on Paces Ferry Drive and in the Brandy Station Subdivision. Train tracks and pastures near I-285 were also inundated by the flood waters. At Six Flags Amusement Park near I-285 in the southern portion of the county, two roller coaster rides and approximately 3000 parking spaces were submerged in flood waters. (Estimated Damages: $5,000,000)Haralson: The 911 Center reported that several roads around the county had water standing on them from several hours of heavy rainfall. At least seven roads in the county were closed because of flooding.Muscogee: The Columbus Ledger-Enquirer reported that the river flooded from heavy rain upstream and flooded portions of Rotary Park Victory Drive.Paulding: The public reported that several streams were out of their banks and several streets were flooded.Rockdale: The Rockdale Citizen reported that flooding along the Yellow River on Daniel's Bridge Road stranded several residents in their home. The road was completely flooded and impassable.

Source: NOAA Storm Events Database, event_id 5424128. Narrative written by the NWS forecast office that issued the report.