Flood Warning: Big Creek Waters Rising

Big Creek near Cumming is under a flood warning from tonight until Tuesday afternoon issued by the National Weather Service in Peachtree City, affecting Fulton and Forsyth counties.

Recent heavy rainfall has caused significant runoff into streams and rivers, which will cause flooding in some areas. And the rain keeps falling, with the forecast calling for rain to continue on Sunday.

Flood stage is 7 feet. The river is forecast to rise above flood stage late Saturday night and continue to rise to near 9.9 feet by early Monday afternoon. The river will fall below flood stage by Tuesday morning.

Flood Stages

• 7 Feet:  Flood Stage is reached. Minor flooding of woodlands and fields begin along the creek from Cumming in Forsyth County to Alpharetta and Roswell in North Fulton County. Flooding starts to effect portions of The Big Creek Greenway near Alpharetta and some portions may become closed with around one foot of water, especially upstream and downstream from the gauge on Kimball Bridge Road and near Rock Mill Park. Portions of the YMCA Campground off Preston Ridge Road will begin to flood.
• 8 Feet: Minor flooding continues to expand further into the woodlands and fields along the creek near Cumming in south Forsyth County to Alpharetta and Roswell in north Fulton County. Additional portions of The Big Creek Greenway have minor flooding with 1 to 2 feet of water. Most of the walking and biking paths will be closed, especially upstream and downstream from the gauge on Kimball Bridge Road and near Rock Mill Park. Portions of the YMCA Campground off Preston Ridge Road will flood.
• 9 Feet: Minor flooding continues to expand further into the woodlands and fields along the creek from near Cumming in south Forsyth County to Alpharetta and Roswell in north Fulton County. The Big Creek Greenway experiences significant flooding, which results in closure of most of the walking and biking paths. This especially occurs upstream and downstream from the gauge on Kimball Bridge Road and Rock Hill Park. A large portion of the YMCA Campground off Preston Ridge Road will be flooded.
• 10 feet: Minor continues upstream and downstream from the gauge on Kimball Bridge Road. The floodwaters expand further into the woodlands along the creek and begin to affect some residential yards from Cumming in Forsyth County through Alpharetta and Roswell in North Fulton. The Big Creek Greenway is closed and completely flooded with up to 4 feet of water in some areas when the floodwaters rise this high. Expect cities and Forsyth County to close their sections of the Big Creek Greenway well before this stage.