It's official. It was the warmest Christmas Eve ever on record — at least for many cities on the East Coast.
Meteorologists say a flow of warm air from the deep tropics caused the unseasonably high temperatures. (Video via WMAR)
Last-minute shoppers in New York City were greeted with balmy temperatures. The high Thursday was 72 degrees. To put this in context, the average high temperature on Christmas Eve in the city is about 40 degrees. (Video via ABC)
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