Hurricane Sandy Could Be 'Perfect Storm' on East Coast

Sam Champion tracks the storm as it heads for the Caribbean.
3:00 | 10/25/12

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Transcript for Hurricane Sandy Could Be 'Perfect Storm' on East Coast
Let's get straight to hurricane sandy, heading into the caribbean right now. It could be targeting the east coast next. Sam has been tracking the latest on this killer storm. Sam, a lot of people worried about this one. And with good reason. When you look at what we're about to show you, you'll see why we're concerned about this storm anyway. Let's show you the deepening center of this storm, as it exploded in strength overnight. Look at the dark center there, as it hopped off jamaica to cuba. That's the center of the storm. THE WATER IS 80s. It's going to stay the same strength, or weaken over the next few hours as it heads to the bahamas. As we look at what's ahead for the storm and the combination of storms headi iing towards it, it reminds us a lot of a storm in recent history. Sandy will roar through the caribbean, after pounding jamaica and cuba. This storm has already taken two lives. And forecasters fear it will soon be similar to another powerful storm that occurred in 1991. Looking at 40-foot to 50-foot waves, gale force winds. It will be the perfect storm. Reporter: But the perfect storm stayed off the coast of new england, when hurricane grace joined with a powerful nor'easter, bringing 50-foot waves and gale-force winds. Look out. Reporter: This storm could be worse. And forecasters say it could blast much of the east coast, even coming onshore, starting this weekend. As hurricane sandy moves up the coast, it will meet up with an arctic front moving across the u.S. And get extra support from the jet stream, with a blast of arctic air from the north. Three elements colliding over the country's most populated corridor. This is exactly what steers that storm system. Right now, the idea is that sandy will continue to weaken as it moves up the atlantic seaboard. But this front has a tendency to draw systems toward it. Any cold front kind of does. It looks like this system will get so far and then try to make a little hook in. That hook will be anywhere from the delmarva since la, to the long island area, right there. We believe this storm system will be a hybrid storm by the time it moves there. And the forecast models are kind of agreeing with that. They were laying it out to the atlantic. One or two still do. But most of them in the trusted models will curve this in as we get to monday and tuesday next week. Making a big rainmaker, flooding. A lot of trees down, a lot of power outages. We'll follow it, moment-by-moment.

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

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