Hurricane Irene caused a landfall in East Coast as hurricane-force winds, heavy rain, flooding and widespread power outages wrecked havoc.

The residents' daily life has been thrown out of gear by the hurricane. More than 3 million people are out of power in east coast. At least 11 deaths have been confirmed so far.

New York City Mayor Michael Bloomberg has announced mass mandatory evacuation in some areas for the first time. Over 2 million people have moved to safer places. The transit system in New York City has been shut down even as states from the Carolinas to Maine declared emergencies due to Irene.

At the turbulent moment, a video on YouTube named How to Survive a Hurricane has become viral on the Internet. Click the video and find out the strategy how to survive Hurricane Irene.