watch to a warning until 2:00 a.m., at which point the forest service said it was raining too hard to evacuate. another interesting thing is that the locals who were camping there, when it did start raining harder, moved away from the river. they knew apparently that the only way out would be downstream. and if something happened, it would be very tough to get out. most of the people who got caught, tourists. this is a very popular destination for people from both louisiana and texas, which is very close by. we're not far from texarkana here. and those are the people who seem to have gotten caught. a little bit of local knowledge and knowledge of the campground seemed to have paid off. >> okay, john yang, thank you very much for the update from langley, arkansas. for more on that deadly flooding, let's go to bill carron in the studios here. scary stuff. >> we actually have a visual representation of what happened. there are gauges on rivers out there. now, on the little missouri river, just downstream, you can