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Spring rolls in with storm warnings, flight cancellations across much of the country
Winter storm warnings stretched from Tennessee to New Hampshire, affecting some 75 million people. Snow and strong winds are set to intensify throughout the day, bringing thousands of flight cancellations and the possibility of widespread power outages. TODAY's Al Roker and Dylan Dreyer have the forecast, and NBC's Stephanie Gosk reports on the travel impacts.
Simple explanations to complicated weather questions.
NBC News Weather takes you up close to some of the planet’s strongest tornadoes.