Puerto Rico braces for Tropical Storm Dorian

Puerto Rico's governor has declared a national emergency ahead of a storm threatening the same area destroyed by Hurricane Maria in 2017.
2:22 | 08/27/19

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Transcript for Puerto Rico braces for Tropical Storm Dorian
She is a rock star. We begin with the latest on tropical storm Dorian churning right now in the atlantic. It could become a hurricane before it hits Puerto Rico. Here's what we know right Dorian is hitting the windward islands this morning and Puerto Rico tomorrow night. Cruise ships already changing their itineraries to avoid the storm and airlines are canceling flights and offering waivers. Ginger starts us off with the latest track and timing. Good morning, ginger. Good morning, Michael. St. Lucia is its location right now moving west and fighting dry air so we've seen the max sustained winds inside tropical storm Dorian drop overnight to 50 miles per hour. That should intensify again when it gets over open water and going into Wednesday Puerto Rico and the Dominican Republic need to watch for impacts. We're talking up to 6 inches of rain, certainly gusty winds, even if it's just a strong tropical storm a 70-mile-per-hour wind can easily take down power lines and more so watching that and then beyond where Saturday it's passing the Bahamas and into Saturday night and Sunday it makes its way to Florida. Remember, red line to red line. Not just the center line. That is a cone of possibility. There's a lot that can go into the driving factors here and where exactly it ends up making U.S. Landfall if it would even be called that. That high pressure system will drive it and it's around Melbourne by the time we get into Sunday into Monday. We'll talk about that as we get closer but we've got to go to Puerto Rico. In San Juan we find Victor Oquendo this morning. Reporter: And good morning, ginger, the time to prepare quickly running out. We were on the same street when hurricane Maria hit destroying everything in its path. It's been two years and we can still feel the damage. Right across the street at that building, those balconies still in need of work now bracing for another storm. Across San Juan people stocking up on necessary supplies ahead of Dorian. Puerto Rico's governor declaring a state of emergency saying today they are better prepared than 2017 when Maria killed 3,000 people. The governor saying she's been in contact with the white house and new FEMA rep leading response efforts and 2,000 firefighters from Miami heading down to the caribbean to assist. Tens of thousands still live under those blue tarps that ago as roofs. Obviously a huge concern there and whenever a storm rolls through, Puerto Rico's vulnerable power grid always put to the test. This could be the last thing they need. Thank you.

This transcript has been automatically generated and may not be 100% accurate.

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