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Mar 13, 2014; 6:44 AM ET United States travel weather forecast
Millions of Irish and Irish-at-heart will gather for St. Patrick's Day celebrations across the United States.
A spike in severe thunderstorms, capable of producing tornadoes, will follow a slow start to severe weather season in 2014.
The total count of tornadoes nationwide at the end of this year is challenging to predict, but some similarities to last year's severe weather season are likely in 2014.
This late-winter storm has cut power to more than 100,000 from Illinois to the mid-Atlantic and delayed thousands of flights.
Temperatures will plummet by as much as 35 degrees Fahrenheit in less than 24 hours along the I-95 corridor from New York City and Philadelphia to Washington, D.C.