Typhoons, cyclones and hurricanes: how these weather systems form

Hurricane Irma is already blasting its way into the record books, but what causes destructive storms like it to build?As recovery begins on the islands of the Caribbean and Florida braces itself for an onslaught, Irma has stormed into the record books as the most powerful hurricane in the Atlantic Ocean on record. But such weather systems are far from a rarity. Hurricanes are a type of storm known as a tropical cyclone, which build from warm, moist air over the oceans. Continue reading...