'Be Prepared, No Panicked': Broward Mayor Talks Hurricane Irma Preps Hurricane IRMA Tracking now a Category 5 Storm 5 a.m. Tuesday update: Hurricane Irma's winds increase to 150 mph Miami-Dade Stocking Up Ahead Of Irma Hurricane Irma Strengthens To Category 5 In Carribean Watching Hurricane Irma: Sept. 3, 2017 Hurricane Irma: Florida And Puerto Rico Brace For Storm Hurricane Irma now a Category 5 -- 7:50am Tuesday update NASA footage shows a 'potentially catastrophic' Hurricane Irma Hurricane Irma update 9/5/17 - 2pm