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Clouds form when water vapor condenses in the air. This releases heat, which increases the updraft temperature and the kinetic energy of air movement. In supercell thunderstorms, updrafts are strong and may create a vortex of air that may form a tornado.
Most scientists consider this to be a simplified and incomplete explanation. The finer details of tornado formation and dissipation are still unknown.

Effects of tropical cyclones - Wikipedia

en.wikipedia.org/wiki/Effects_of_tropical_cyclones

The main effects of tropical cyclones include heavy rain, strong wind, large storm surges at landfall, and tornadoes. ... Tropical cyclones on the open sea cause large waves, heavy rain, and high wi...

The Causes & Effects of Tornadoes | eHow

www.ehow.com/info_8204458_causes-effects-tornadoes.html

The Causes & Effects of Tornadoes. A large thunderstorm that encounters certain atmospheric conditions can produce tornadoes, the large, fast-moving funnels ...

Types and Causes of Tornadoes - Conserve Energy Future

www.conserve-energy-future.com/types-and-causes-of-tornadoes.php

Types and Causes of Tornadoes: A tornado is a strong, turbulent column of air, ... air mixes with the moist cool air which is stationary resulting in a rolling effect.

What are the causes and effects of tornadoes? - Quora

www.quora.com/What-are-the-causes-and-effects-of-tornadoes

Jul 22, 2015 ... The primary "cause" of tornadoes is the physical law of conservation of angular momentum. If air is rotating slowly but is forced to converge to a ...

What are some after-effects of tornadoes? | Reference.com

www.reference.com/science/after-effects-tornadoes-77353cbad11ce98b

Some after-effects of tornadoes are fatalities and injuries to people and ... Depending on its severity, a tornado can cause a host of extenuating issues and leave ...

What causes tornadoes?

www.weatherquestions.com/What_causes_tornadoes.htm

A description of the special conditions that can cause a thunderstorm to become tornadic.

Impact of tornadoes - eSchooltoday

eschooltoday.com/natural-disasters/tornadoes/impact-of-tornadoes.html

What is a tornado How tornadoes form levels of tornadoes Effects of ... It is known that tornadoes cause a yearly average of 400 million dollars in losses to the ...

www.ask.com/youtube?q=Cause Effects of a Tornado&v=cyVpot-OIns
Apr 5, 2016 ... The Cause and Effect of Tornadoes ... Top 10 Biggest Tornado In The World Largest Tornadoes Monster Tornado Worst Tornado Caught On ...

Tornadoes - Weather Wiz Kids weather information for kids

www.weatherwizkids.com/weather-tornado.htm

A tornado is a violent rotating column of air extending from a thunderstorm to the ground. ... increasing height creates an invisible, horizontal spinning effect in the lower ... Waterspouts can sometimes move inland, becoming tornadoes causing  ...