good morning. it s friday, august 25th. it is now a category two hurricane. the storm is expected to become a category three by the time it makes landfall, making it the strongest storm to hit texas since 2008. now, the national hurricane center is warning of life-threatening and devastating flooding and has issued storm surge warnings for are parts of the texas coast. of the 35 inches of rain, they are also possible in parts of southeast texas through next week. mandatory evacuation orders are in effect for multiple cities and counties in texas and louisiana where harvey is threatening to be the biggest storm to hit new orleans since katrina 12 years ago. nbc meteorologist bill karins joins us now with the latest. obviously, a very scary situation. people heeding those evacuation orders, but this is really a race against time. today s story will be the storm surge and the winds and how much damage they can do. then over the weekend it will be about the rain and how this