Missing family members in LA

Well, I haven't written anything lately because we have been very involved with trying to locate Tim's sister Flora and her husband Chuck...
They live in New Orleans, but as of last Sunday, were evacuating to Mississippi, where Chuck's mother has a home. We have not heard from them at all, and are very worried... The area that they went to was devastated...
Many family members and friends of the family are scouring the internet "lists" of survivors, but we have not had any luck...
We have filed missing persons reports with the Coast Guard, Red Cross, Salvation Army and Mississippi Emergency Management Agency.
Please pray for their safety and for us, the whole Bailey clan, to have wisdom on how to proceed...
The Bell south phone system is completely out of commission in that particular area code, and the cell towers are not working either, evidently...
We are praying about when it would be prudent, if at all, to just head down there and check hospitals and shelters ourselves... although, just the sheer cost, considering the gas prices, is insane...
The waiting has been very difficult... but,
We know that they are in the Lord's hands regardless...
Thank you so much for your prayers and support...