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The formation of tornadoes is complicated.
First, a condition called wind shear, in which the speed or direction of the wind changes with altitude. If the shear is strong enough it can essentially tilt a thunderstorm, this separates the updraft and downdraft of the thunderstorm, preventing them from interfering with one another. This allows the storm to become stronger and last longer.
Additionally, if the wind shear is strong enough it can start the air rolling in what is called horizontal vorticity. This horizontal vorticity can then be turned vertical by a thunderstorm's updraft. When this happens, the thunderstorm may start rotating. The rotation is especially strong in an updraft called a mesocyclone. If the storm intensifies rapidly enough, a relatively warm downdraft called a rear-flank downdraft or RFD can wrap around the bottom part of the mesocyclone. This can then tighten and intensify its rotation and bring it down to the ground to produce a tornado.
As to their affects, the wind and flying debris in a tornado can damage or destroy vegetation and man-made structures, sometimes to the point of complete obliteration. People and animals caught in a tornado may be injured or killed.
Tornadoes form when warm, moist air meets cooler, drier air, creating a rotating column of air. The intense winds in a tornado can cause significant damage to buildings, uproot trees, and hurl debris long distances. Tornadoes can also result in injuries and fatalities for those in their path.
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Do tornadoes form on mountains?
Tornadoes can form in mountains, but most do not.
What do hurricanes and tornadoes form over?
Hurricanes form over warm ocean water. Tornadoes can form just about anywhere.
Do tornadoes form around 3PM and 9PM?
Tornadoes can form at any time of day or night. The time from 3 PM to 9 PM is the most common time for tornadoes to form.
Do tornadoes normally form in tropical oceans?
No, tornadoes typically form over land in association with thunderstorms. Waterspouts, which are tornadoes that form over water, can occur in tropical oceans under specific conditions, but they are generally much weaker than tornadoes that form over land.
When do tornadoes not form?
Tornadoes do not form under clear, sunny, or stable weather conditions, of if the weather is too cold. They cannot form without thunderstorms.
Can tornadoes form?
Yes, tornadoes can form. Hundreds, even thousands of tornadoes form every year.
Do tornadoes form on mountains?
Tornadoes can form in mountains, but most do not.
Do tornadoes form from stratus clouds?
No. Tornadoes form from cumulonimbus clouds.
Why do tornadoes not form in antarcica?
Antarctica is too cold for tornadoes to form. Tornadoes need energy from warm air.
What are the social effects of tornadoes?
well tornadoes can badly damage or destroy parts of communities
Do tornadoes come form clouds?
Yes. Tornadoes form from the clouds of a thunderstorm.
Does tornadoes form by land or water?
Tornadoes most often form on land, but they can form over water.
What effects do tornadoes have on people and animals?
Tornadoes can destroy the homes of people and animals and can kill or injure them.
What kind of clouds to tornadoes form from?
Tornadoes mostly form from cumulonimbus clouds. :D
Is various form of energy from tornadoes?
No it does not come from tornadoes . :] .....
What do thunderstorms have to do with Tornadoes?
Tornadoes need thunderstorms to form.
What type of wind do tornadoes form from?
Tornadoes usually form from a type of thunderstorm called a supercell. Tornadoes themselves are a unique type of windstorm.
