floodwaters. philadelphia remains crippled at least in some places at this hour by historic floods. one major expressway is still shut down because of the high water. pete muntean line is live outside of the philadelphia in fort washington. it looks like a mess behind you. what is going on? >> reporter: no doubt that flooding has had a major impact on philadelphia. but now we've moved to the northwest where governor tom wolf will tour the damage today. we are in upper dublin township, fort washington in montgomery county and of the four state wide deaths happened in montgomery county and one here in fort washington when a tree came down on a woman's home, her second floor and killed her there. it is so important to note that an ef-2 tornado came barreling through here. the chief said it started to the south, came through here to the township building and also the police department. this is mostly the roof that is on the the ground here. then the tornado continued to the north and hit the high school peeling the roof off there. the chief said he got a tornado