Ooh. Satellite imagery seems to be telling me my house still existed on Wednesday. Lots of water all around, but it looks like maybe not actually too deep. Of course, someone could have burned it down by now, but still, this is a good sign, I think. 
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If they're let in, then maybe that's the only way to get through to people.
Take a look at thisCNN Report. Some people just don't want to leave. It's been my experience that people who don't want help, usually can't be helped.