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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.
What else can I help you with?
What kind of fronts are involved in tornadoes?
Tornadoes are not a direct product of fronts but rather of thunderstorms. The storms that produce tornadoes most commonly occur along a cold front or dry line, but can be associated with stationary fronts or, less often, warm fronts. Some tornadic storms develop in the absence of any fronts.
What kind of storms are classified on the Fujita Scale?
The Fujita Scale classifies tornadoes based on wind speed. It ranges from F0 (weakest) to F5 (strongest), with each category corresponding to a range of wind speeds and associated damage.
Do winds and a hurricane make a tornado?
No, not really. A tornado is not simply a product of wind, and most tornadoes are not associated with hurricanes. Most tornadoes arise from a complex and not yet fully understood interaction of air currents, usually within a special kind of thunderstorm called a supercell. Tornadoes often form in the outer storm bands of a hurricane, but most tornadoes, especially the most destructive ones, are produce by other systems.
Can tornadoes do damage to the atmosphere?
No. Tornadoes do not damage the atmosphere.
Do tornadoes rotate clockwise?
Nearly all tornadoes in the southern hemisphere do. However in the northern hemisphere most tornadoes rotate counterclockwise. A small percentage of tornadoes rotate opposite of what is normal for their hemisphere. These are called anticyclonic tornadoes.
When was Adam Wheater born?
Adam Wheater was born in 1990.
When was Charles Wheater born?
Charles Wheater was born in 1860.
When did Charles Wheater die?
Charles Wheater died in 1885.
What kind of earthquake is the san Andreas earthquake?
sometimes caues earthquakes in the pacifi coastal piains
What is David Wheater's birthday?
David Wheater was born on February 14, 1987.
When was David Wheater born?
David Wheater was born on February 14, 1987.
What kind of wheater is on Mercury?
Mercury doesn't have any kind of weather except the fact that Mercury is to hot facing the Sun and to cold on the dark side
How old is David Wheater?
David Wheater is 24 years old (birthdate: February 14, 1987).
What kind of weather brings tornadoes?
Tornadoes are produced by very strong thunderstorms.
What kind of storm is normally associated with tornadoes?
Supercells are normally associated with tornadoes.
What kind of clouds to tornadoes form from?
Tornadoes mostly form from cumulonimbus clouds. :D
What do most tornadoes form in association with?
Most tornadoes are associate with a kind of thunderstorm called a supercell.
