 Wow, that's a big tree. It's down. Oh, no. That's Freeport, Texas resident Patty Richardson, who was on the phone looking out the window when she saw another downed tree. Barrel has knocked out power to more than two million homes and businesses in the Houston area. Past rising waters from the hurricane-turned-tropical storm have caused street flooding and prompted rescues. Police in the region urging residents to stay off the roads.