I have circled the tornado signature on radar. It has followed the path indicated by the arrow. There are reports of power failures in Brentwood and damage at a tornado was sighted near Hickory Hallow Mall. This is a very dangerous situation.
UPDATE: 25,000 homes and businesses are without power, which equates to roughly 100,000 people.
2nd UPDATE: Nashville Tennessean reports I-40 and I-24 closed due to debris across roadways. Hoped to have both reopened by 11:30. East Nashville and Bordeaux both reporting damage. The latter damage was a secondary circulation (might have been a tornado associated with it, also) that ran from around Bordeaux to just north of Mt. Juliet. Thirty thousand homes and businesses reported without power.
3rd UPDATE: NWS reporting that a Bridgestone Tire guardhouse at their Wilson Co. warehouse was blown over with one injury. There are confirmed reports of 80 mph in parts of this area.