Tropical Storm Isaac's Impending Impact in Florida

ABC News' extreme weather team has the latest on the powerful storm.
3:00 | 08/26/12

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Transcript for Tropical Storm Isaac's Impending Impact in Florida
More on this story coming up. We're going start here with tropical storm isaac, check out the map. The storm churning off the coast right now. Heading up into the hot waters of the gulf where it will gather more steam. Our extreme team is stretched across the danger zone. We'll start with ginger zee. But, first, let's go to matt gutman in key west where they're already feeling it. Matt, good morning to you. Dan, we're just starting to enter isaac 200 miles east of here. Governor of florida declaring that state of emergency. The airports, the seaports, all of the public places have been closed. Buying up flashlights, batteries and waters. Now, the major concern here in the keys, by officials, that thousands of visitors still stuck here who are going to try to experience the storm, those winds will be strong enough to knock you over, flooding, this water, couple of hours, was a foot lower, a regular high tide with an extra 4 feet it could get bad. Hundreds of residents parking their cars on overseas bridges. All right, matt, thank you. Let's get straight out to ginger zee as the hestorm heads north. I want to get to the map. Because it's so important that you get all of this information right up front. The warnings and watches have extended now all of the way from the mouth of the mississippi down the florida coastline through the panhandle and all of the way to the southern tip. That hot pink color, that has been in place for at least 24 hours. That's a hurricane warning. Miami still in a hurricane watch. See how the red goes from by locksi through pensacola, that's a new hurricane watch. The path, which we saw at the beginning of the broadcast, now takes you -- focus in on the numbers and time. By tomorrow morning here, it's going to look a whole different. In the gulf, it starts to eat up that hot water and it hits the gulf coast, the florida panhandle to mississippi as a category 1 hurricane. Then starts to make its way north. Also, want to share with you, this computer model congress lom ration, they have been pretty succinct in the last couple of days. For mobile through pensacola, that's the heart of it. Finally, want to share with you a little bit of video what could happen with a storm like this. We start in haiti, very dirty water rushing from all of that rain, at least four people dead. And cuba, lot of destruction already happening. Unfortunately, the calm morning we have here in cap tooef ya island, you got very, very tranquil water. It's going to look a lot different. Winds from what will be a hurricane will be pushing up and over my head, a storm surge of at least 7 feet. At the top of those windows on this beachside bar, that's why florida is getting ready today. Reporter: The sunshine state is on high alert. The governor issued a state of emergency. Schools all over south florida, already canceled for monday. The best thing that you can do is, just plan for the worst, definitely. Reporter: In tampa at least 4 to 8 inches of rain expected. 50,000 people arrived this weekend for the republican national convention. The governor pulling out for storm prep. Storm surges could rise as high as 7 feet. In the panhandle where they could see 100-mile-per-hour winds and possibly 10 inches of rain, flooding could become the lasting legacy of this storm. Even though the people of florida are used to huge storms. If you don't take prekauxs you're in trouble. This southwest florida coastline so raw and exposed. Not just here but down to naples. Look at the storm surge map. Who will get what. This will happen late tonight early tomorrow morning. A picture that you must see, the storm surge map, I think we're going to put it up, a lot of places, going to get 3 to 5 feet surge. We'll be following it across and give you your nation's weather

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

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