lavandera south in galveston, a lot of rain and a lot of rising water. what s the situation there, and also we saw people with boats helping out one another there. reporter: hi, fredricka. we are standing snap dab in the middle of interstate 45. takes you into houston. little car traffic but an immense amount of boat traffic on this roadway. people coming on their own freewill, dumping boats into water and trying to rescue people. kristy huffman, her and her daughter, just pulled out of their neighborhood. told me you were on your rooftop a little while ago? on our rooftop. waiting for the coast guard helicopter that picked up some of our neighbors. some neighbors are still back there on roop tftops and saw th boat first and took the first chance out of there. pulled off your rooftop into a boat? yes. that s how high the water is. you told me a while a, about