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Why Is It Hard To Predict A Hurricane's Intensity?

Melissa Block speaks with Hugh Willoughby, meteorology and research professor at Florida International University, about why it is so hard to predict the intensity of hurricanes. He says it's much easier to make a good prediction about where a storm will go than it is to predict how strong it will be. He says one thing that will make hurricane predictions better in the future is the steady march toward more powerful computers.