In different parts of the world the weather can be very violent. For example tornadoes are nature's most violent storms. Tornadoes can be very dangerous. Sometimes they are deadly. A tornado appears as a cloud which moves in circles round a central poiny. So it has the shape of a pipe which is narrow at the bottom and wide at the top. It looks like a funnel which we use to pour liquid into a small opening, for example, a bottle Tornado windscan blow at up to 300 miles, or 480 kilometres, a hour. They cause a lot of damage. They can damage an area one mile wide and 50 miles long.There is a risk of tornado damage in almost every state in the U.S. tornadoes can form any time of the year, but the tornado season runs from March to August. Usually people have at least a few minutes warning on the radio or TV. The most important thing to do is take shelter, and hide in a house, when a tornado is coming.
