KGO ABC World News Tonight With David Muir September 20, 2019 00:35:00
Now. he's tracking it all for us. hey, rob. >> reporter: hi, david. it's been a nightmare for travelers and very difficult to get around houston. certainly reminiscent of harvey, though, not five feet of rain, 40 inches falling in a widespread area of two feet. check it out on this radar estimate. and some of that two feet of rain coming in less than 12 hours, so, that's where you get that flash flooding. the rainfall now is south of houston. we still have flash flood warnings that are posted until after midnight. imelda will begin to wring itself out tonight and tomorrow. still a couple of le...