Superstorm Sandy Touches Down, Wreaks Havoc on East Coast

The "perfect storm" brought devastation overnight as it made landfall.
3:00 | 10/30/12

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Transcript for Superstorm Sandy Touches Down, Wreaks Havoc on East Coast
Our extreme weather team has been on the front lines of the storm from the very beginning. Sam leads off our coverage from battery park in lower manhattan. Good morning, sam. Good morning. We're at the very tip of manhattan. Last night, yesterday, this water that is the new york harbor, was all through this area. We could not stand here. This railing, the water was at the top of the railing. The water is down. But sandy came onshore with everything a superstorm was expected to. That incredible surge, record-setting, 14 feet of additional water in new york harbor. Here's where the storm is right now. It's not just a coastal storm. And it's not just a new york storm. Look at that area of low pressure. That's what's left of sandy. It's rain along the coastline and snow inland. We'll see tropical storm-forced winds at least in every area you're seeing the rain and snow. Sandy, affecting one-third of the country. Sandy's effects, causing destruction never seen before in america's largest city. A high tide of 14 feet at the battery, 4 feet higher than the previous record, brought water rushing over battery park in manhattan. Four feet of water battered the tunnels and the site of the world trade center. What's your biggest concern right now? Where it stops and when it stops. And what damage it's doing. Reporter: Unprecedented flooding caused backup generators to fail at several hospitals, like nyu medical center, where hundreds of patients, including infants from the neonatal intensive care unit. This is an infant. Reporter: We're in battery park city. We've gone as far north as we can. We're surrounded by water. The hudson river is that way. Tried to get out south. Don't know how much water is here on west street and chambers. But cars haven't been able to get through. Reportedly 100-mile-per-hour wind gusts on new york city bridges. And the city itself, nearly 70-mile-per-hour wind gusts. This entire apartment building collapsed. Oh, my gosh. There's no walls on this apartment. Reporter: And a construction crane collapsing on a $1.5 billion luxury high-rise under construction, dangling over 57th street. Firefighters battled through the night. A six-alarm fire in queens, that involved over 50 homes in a flooded area. Power is out in most of manhattan. And the latest estimates have 7 million people without power in 11 states. It could be up to ten days before power is completely restored. Sandy's effects were felt as far west as lake michigan. And eight states have snow falling, from north carolina to pennsylvania and into ohio. Davis, west virginia, has 17 inches of snow. And there's more to come. There could be three feet of snow in the higher elevations by thursday. If you feel any part of sandy right now, you will, for another two days. Take a quick look at where the rain will fall. We're looking at heavy rainfall, particularly inland areas. Watch the totals pop up. An additional two inches of rain. This will mean flooding for the areas in the yellow and the red. There will be tropical storm-force winds. And hurricane-force wind gusts during the day today, well inland.

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

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