How Tornadoes Are Started Most of the tornadoes are formed by storms. You need warm moist air like from the Gulf of Mexico. And cool dry air from Canada. When the 2 air masses meet together they create a instability of a tornado in the atmosphere. http://www.weatherwizkids.com/weather-tornado.htm
What Are Tornadoes A tornado is a violent rotating column of air extending from a thunderstorm to the ground. Tornados can get up to the wind speeds of 300miles per hour. Damage paths can be up to 50 miles long. Tornadoes can uproot trees, destroy buildings , and hurl vehicles. In an average year there is about 1000 tornados.
Safe Places and Some Un-safe Places To Be A basement . Inside. Under ground. Under a tree. Outside.
Hurricane Katrina Occurred in 2005 August 29 at 8:00 AM. In Florida. Destroyed thousands of houses. Killed thousands of people.