The 2008 Atlanta tornado outbreak was a tornado outbreak that affected the Southeastern United States on March 14–15, 2008.A tornado caused widespread damage across downtown Atlanta, including to the CNN Center and to the Georgia Dome, where the 2008 SEC Men's Basketball Tournament was postponed. Other buildings that were damaged include the Georgia World Congress Center, Philips Arena (during an Atlanta Hawks game), and the Omni Hotel, which was evacuated after many windows were blown out.