https://phys.org/news/2018-10-tropical-storm-michael-hurricane-gulf.html

It is expected to be a major Category 3 hurricane by the time it hits Florida on Wednesday, before moving northeast across the southeastern United States through Thursday.

"#Michael could produce three life-threatening hazards along portions of the northeastern Gulf Coast: storm surge, heavy rainfall, and hurricane-force winds, with storm surge and hurricane watches in effect," the NHC said on Twitter.