Phayunguang tornado (Tornado) or Chang as the storm caused by cold wind and hot air when wind formation and rotation. Occur both on land and sea, most occurring on land, 90 per cent of tornado can occur on all continents and in many countries. But the United States found that more often than other countries because of the terrain, can cause hot air and cold meadow area clash. Especially the Central Plains of the United States, from Texas (Texas) to South Dakota (South Dakota), which is the area known as the "tornado funnel" (Tornado Alley)Tornado can occur in various ways by the most common characteristic is the characteristic conical shape. The storm clouds are formed from the filed down, and rotate on the land as a spiral Cone. There is a small space or less in diameter. Approximately 50-500 meters, but rotate at high speed by the speed at which the Center will be more than any other hurricane high, which might speed up to 500 km/h. Counted as hurricanes, the most violent and the most dangerous. Tornado occurrence cannot be predicted in advance, even though this type of storm long will occur during no time. Approximately 1-2 hours, but severe damage in the area where the storm blows through, sweeping both houses can be raised after erosion.
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