It was a tornado
http://www.wsbtv.com/weather/25550156/detail.html
Tornado Touched Down In Cherokee
CHEROKEE COUNTY, Ga. -- The National Weather Service confirms a tornado briefly touched down in Cherokee County on Wednesday, causing damage to homes and cars.
Officials said a storm survey was conducted by the Cherokee County EMA director and he found that a small tornado touched down briefly on Oak Meadow Drive on Wednesday.
The tornado caused numerous trees in the area to fall on homes, officials said. Three homes suffered major damage, ten homes suffered minor damage,