How Does a Tornado Start?

Answer

For a tornado to form, a humid air mass, and a cold, dry air mass have to be present in a given area. When the warm air moves upward into an area of cold air, instabilities will begin to form. The cap of cold air will eventually give way, causing the storm winds to begin spinning. This will create a funnel shaped cloud. If that funnel cloud touches the ground, it becomes a tornado.
Q&A Related to "How Does a Tornado Start"
The Forming of a Tornado For a tornado to form, two things are needed--a warm, humid air mass, and a cold, dry air mass. Thunderstorms usually contain large swells of warm air. When
http://www.ehow.com/how_4611128_a-tornado-start.ht...
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
http://wiki.answers.com/Q/How_does_a_tornado_start
Tornadoes form in several different ways, the details of which are not fully understood and still an active topic of research.
http://www.usatoday.com/weather/resources/askjack/...
Facebook doesn't use Tornado for anything other than FriendFeed (who built the technology) at the moment.
http://www.quora.com/How-does-Facebook-use-Tornado
2 Additional Answers
Ask.com Answer for: how does a tornado start
How Does a Tornado Start?
For a tornado to form, two things are needed--a warm, humid air mass, and a cold, dry air mass. Thunderstorms usually contain large swells of warm air. When the warm air moves upward into an area of cold air, instabilities will begin to form. The cap of... More »
Difficulty: Easy
Source: www.ehow.com
Tornado start when warm moist air and cold dry air collide. It rises and condenses into very heavy rain. A tornado is a spinning updraft of air which is called a mesocyclone.
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