A tornado is formed by thunderstorms in moist and hot air and advances eastward moving the cold fronts. In the Central Plains, a thing called "dryline" is often developed, which seperates warm, moist air from the east and hot, dry air to the west. Even though tornadoes occur all over the world, the most common area is the United States, so we has Americans have to be very careful.
http://library.thinkquest.org/16132/html/tornadoinfo/formed.html
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ReplyDeleteGreat blog! I was reading about the shapes of tornadoes and found that there are multiple forms. For example, some are rolling billows of debris, while others look like twisting rope. Another shape is barely visible because is just a large swirl of dust. There are so many different kinds but the one I found most interesting was the "snake like" vortices that whirl around a common center.
Katie Isham
Before a tornado occurs there is a sudden in wind the wind suddenly stops.
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