How Tornadoes are formed

They start to develop near low-pressure areas of high wind. The warmer air moves upward and the cooler air downward. Fast moving, cold, dry air meets moist, warmer air. The warmer air then rushes upward at fast speeds. Air also blows in from the sides. this creates strong, twisting updrafts. This kind of low-pressure becomes a tornado.

Types of tornadoes

First I will tell you about the supercell tornado. Some of the most violent tornadoes develop from supercell thunderstorms.A supercell thunderstorm lasts a very long time and has a spinning updraft of air. These storms |have the greatest tendency}(are likely) to produce tornadoes, some of them can be huge wedge shaped ones. The supercell thunderstorm has a low-hanging layer of cloud known as a "wall cloud". It looks like a layer of cake that hangs below the base of the cloud. One side of the wall cloud is often rain-free, while the other is neighboured by shafts of rain. The spinning draft of the supercell seen on the radar as a "mesocyclone". another type is called a land spout. weaker than a supercell, a land spout is not neighboured with a wall cloud or mesocyclone. It may be under a cumulonimbus or cumulus cloud. It often forms along the edge of rain-cooled downdraft air. Now I will tell you about the gustnado. This tornado is weak and usually doesn't last very long It appears as a temporary dust whirl or debris cloud. another type is called a waterspout. A waterspout is a tornado over water. A few form from supercell thunderstorms, but many form from weak thunderstorms or rapidly growing cumulus clouds. Waterspouts are usually less intense and cause far less damage. Rarely more than 46 meters wide, It forms over tropical ocean water, surprisingly it's funnel is made of freshwater from water vapor-not saltwater from the sea. Next is the dust devil tornado. Dry, hot, clear days in the desert or over dry land can bring about dust devils.

Effects of Tornadoes

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