sustained winds start, which is constant winds flowing in a circular pattern around that prk hurricane. it's basically a big machine releasing all that heat off the ocean in this rotating storm and that's what those winds are coming from and they're going to continue to batter not only the coastal areas but inland now as the evening goes on. >> all right. we're going to get back to you. stand by. be careful over there, ben mcmillan, the storm chaser. i want to check in on the emergency response plan for hurricane harvey and the catastrophic impact it is likely to have the we're joined by the head of the federal emergency management agency, brock long, administrator long. thanks very much for joining us. thanks for all the graeme of great work that fema does. what are your biggest concerns are as hurricane harvey now approaches land fall? >> right now it's the life safety mission. obviously the time to evacuate has come to a close. if you're in those areas getting ready to experience the 6 to 12 feet of storm surge, it's time to find some high ground and facility that can withstand