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Snow slows down traffic on Interstate 40, Friday morning, Jan. 22, 2016, in Nashville, Tenn. A blizzard menacing the Eastern United States started dumping snow in Virginia, Tennessee and other parts of the South on Friday as millions of people in the storm's path prepared for icy roads, possible power outages and other treacherous conditions. (Andrew Nelles/The Tennessean via AP)
Snow slows down traffic on Interstate 40, Friday morning, Jan. 22, 2016, in Nashville, Tenn. A blizzard menacing the Eastern United States started dumping snow in Virginia, Tennessee and other parts of the South on Friday as millions of people in the storm's path prepared for icy roads, possible power outages and other treacherous conditions. (Andrew Nelles/The Tennessean via AP)

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    Thousands of flights canceled as monster storms lands

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Thousands of flights canceled as monster storms lands

As a potentially record breaking storm touches down on the east coast, thousands of flights have already been canceled. CNN's Rene Marsh reports from Reagan National Airport outside Washington.

Thousands of flights canceled as monster storms lands

As a potentially record breaking storm touches down on the east coast, thousands of flights have already been canceled. CNN's Rene Marsh reports from Reagan National Airport outside Washington.