seen here throughout the day, who have driven up i-45 and used it as a boat launch. and this is just one of hundreds of boats that are out on the water here in south houston, this is one particular neighborhood where this is unfolding. this is happening all across the city here this afternoon. >> we're seeing so many cars in drive ways. talk about how quickly the water came up. >> incredibly quickly. people went to bed thinking this was going to be -- >> i talk with one resident. you park your car up close to the -- right here, if you can point down, theres a car. you can see the car just under the water there, we're -- you might not see anything. there are cars underneath here p.m. >> you can see what people have done to get themselves -- they use these towels as a way to get themselves off that steep ledge of the roof and on to the rooftop of the car, they were probably rescued earlier, if you