Dorian is being upgraded to a category three hurricane.
The National Hurricane Center said the storm closing in on the Bahamas has maximum sustained winds of 115 miles per hour.
The center knows that because it has flights circle the storm for hours.
One such crew made history on Thursday by being the first all-female hurricane hunter flight crew.
The three women flew around Dorian for seven hours to collect data.
Florida officials are warning residents to be ready to live without power, possibly for days.
Governor Ron DeSantis said major power companies have positioned 14,000 people throughout the state to deal with the outages
President Trump has also declared Florida is in a state of emergency. DeSantis requested the declaration to get generators and water pumps in place before the possible Category Four storm hits the coast on Monday or Tuesday.
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