. >>> joining me is thomas munoz, houston's emergency management coordinator.so much for being with us. i'm sure you're hearing a lot of what we just heard from that one person, frustrated that a category-one storm is causing so much disruption for her. obviously she can't work. she can't number her house, it's too -- be in her house, it's too hot. she has no power, doesn't know if her food is going to have thrown away again. what are your concerns as you see the breadth of the outages in the midst of a heat wave? >> yeah, the biggest concern as you mentioned is the heat wave. the number of people without electricity. right now we're focusing on the mass of that, the recovery process. get some normalcy back. the biggest concern is going to be the heat combined with no electricity, and so again the mass that we have it take care of. the vulnerable population, the medically fragile. those are ault the parts that we're working on right now to ensure the safety of everyone during this event. >> extreme heat has become the nation's deadliest weather hazard. you ment