A hurricane is a very powerful storm. It is a cyclonic storm, which means that it has a circular pattern within the hurricane within the hurricane. The name hurricane refers to storms that startover the Atlantic Ocean or eastern Pacific Ocean. For example, they are called typhoons in the northwest Pacific. They are called cyclones in most of the rest of the world. They all have wind speeds that are mostly more than 75 miles per hour. The winds move in a circular pattern. The central point around which the storm moves is called the eye of the storm.