>> right now you can feel the pressure drop. feels like the hand of death. >> a significant, significant impact. herself florida's governor describes one of the worst weather threats in decades. hurricane expected to pack severe ones greater than 130 miles an hour. it makes landfall as a cat four storm in the coming hours. this is video from cedar key is florida. north of tampa. likely to take a severe impact. with many coastal residents heeding the official warnings. evacuating in under out of state. those who have stayed, officials say they will be on the one with no help available