Fire tornadoes form when combustible gases ignite in windy conditions. According to the Mother Nature Network, most fire tornadoes spawn from wildfires. The center of a fire tornado is a column of flaming gas up to 9 fee... More »

According to the National Oceanographic and Atmospheric Administration, tornadoes form when warm air creates a rotating updraft in a powerful thunderstorm. When winds blow in sharply different directions or at different ... More »

Tornadoes can form extremely quickly under the right conditions, forming and touching the ground within minutes. It may take some time for the proper rotation to form high in the thunderstorm, but a funnel cloud can drop... More »

When a tornado watch is issued, it means that conditions are conducive for the formation of tornadoes. A tornado watch covers a larger area, typically about 25,000 square miles over several hours, whereas a tornado warni... More »

www.reference.com Science Weather & Tides Storms

Most tornadoes are created as a result of thunderstorms that form at the meeting point between humid air from the Gulf of Mexico and dry, cooler air from Canada. At that point, instability occurs in the atmosphere, and a... More »

Strong warm updrafts carrying large amounts of moisture interacting with fast-moving cool, dry winds above cause tornadoes when the two air currents begin to swirl around each other and reorient toward the ground. The mo... More »

All tornadoes are possible of causing damage to structural buildings and human life, explains ECoffeeOnline.com. Some tornadoes, depending on their size, cause catastrophic damage and major loss of lives. A large tornado... More »