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How to stay safe during harsh summer weather
Now that summer's officially in full swing, TODAY's Al Roker teaches Megyn Kelly what actions to take during seasonal floods, harsh heat and severe storms. Roker also describes the tragedy of the Johnstown, Pennsylvania, flood, which he details in his book, "Ruthless Tide."
Simple explanations to complicated weather questions.
NBC News Weather takes you up close to some of the planet’s strongest tornadoes.