A nor'easter churned its way up the East Coast on Sunday, washing out roads and prompting air travel delays as heavily populated areas of the Northeast experienced excessive rain, lashing winds, and coastal flooding.

National Guard activated in Delaware

Heavy rain fell from the Carolinas all the way north into New England.

"The greatest effects are going to be the coastal flooding potential," said meteorologist Bob Oravec with the National Weather Service in College Park, Maryland.

In Delaware, emergency management officials activated the state National Guard in response to rising floodwaters and harsh winds. A voluntary evacuation order was issued for the town of Bowers Beach, where the Murderkill River flows into Delaware Bay.

In North Carolina's Outer Banks, an area that's seen sig

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