Dorian could arrive in Florida later this weekend

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(CNN) - At this time, Dorian is approaching several Caribbean islands.

🌀 Look where Dorian is right now

The tropical storm is expected to be a category 1 hurricane as it approaches Puerto Rico and the Dominican Republic on Wednesday and Thursday, according to CNN meteorologist Dave Hennen.

Mayor Carmen Yulin Cruz tweeted that the city of San Juan is opening a shelter in the Roberto Clemente Coliseum for anyone displaced due to tropical storm Dorian. The center can accommodate 500 people and will open at 5 pm tonight.

But it could impact more than just the Caribbean: by the end of the week, what is left of Dorian is expected to move to the Bahamas and possibly to the continental United States.

READ : Puerto Rico is under hurricane alert as Dorian approaches

The forecasts showed that Dorian was approaching the east coast of Florida on Sunday.

However, a word of warning: "It is still too early to forecast impacts," Hennen said.

Storm