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How a Tornado Forms in 4 Steps - Popular Mechanics

www.popularmechanics.com/science/environment/a15633/how-a-tornado-forms-in-4-steps/

May 19, 2015 ... Warm, moist air, usually from the south, is lifted by a warm or cold front, causing an updraft. The moisture condenses into clouds and ...

How Do Tornadoes Form? - Dangerous Weather

eo.ucar.edu/kids/dangerwx/tornado3.htm

How Do Tornadoes Form? Tornadoes are associated with large (supercell) thunderstorms that often grow to over 40,000 feet. A column of warm humid air will ...

How are Tornadoes Formed? - Conserve Energy Future

www.conserve-energy-future.com/how-do-tornadoes-form.php

How Do Tornadoes Form? A tornado ... Tornadoes are formed due to large super cells. ... The formation of tornadoes is followed in a set pattern of simple steps.

How Do Tornadoes Form - Universe Today

www.universetoday.com/75695/how-do-tornadoes-form/

Oct 14, 2010 ... The warm air eventually twists into a spiral and forms the funnel cloud that we all ... The formation of a tornado follows a clear set of steps.

tornado.ppt

www.inscc.utah.edu/~u0180931/hjiang/west/tornado.ppt

How does a tornado form? Step 2: Lifted and tilted from horizontal to vertical. An area of rotation, 2-6 miles wide, now extends through much of the storm.

www.ask.com/youtube?q=Steps How Tornadoes Form&v=lmWh9jV_1ac
Aug 19, 2014 ... View full lesson: http://ed.ted.com/lessons/how-do-tornadoes-form-james-spann Tornadoes are the most violent storms on Earth, with wind ...
www.ask.com/youtube?q=Steps How Tornadoes Form&v=cvOut9VUqKY
Feb 25, 2011 ... I found this interesting video about how tornadoes from kinda cool =)

BBC NEWS | Science/Nature | How a tornado is formed

news.bbc.co.uk/2/hi/science/nature/5324984.stm

Sep 8, 2006 ... A guide with graphics explaining how a tornado is formed.

How Do Tornadoes Form? - Scientific American

www.scientificamerican.com/video/how-do-tornadoes-form2013-04-23/

Apr 23, 2013 ... Every year tornadoes rip through the U.S. Midwest, leaving death, injury and billions of dollars of damage in their wake. Where do these ...

Birth of a Tornado - National Geographic

video.nationalgeographic.com/video/news/us-tornado-formation-vin

May 21, 2013 ... May 21, 2013—Two days before a tornado—with winds clocked at over 200 miles per hour—tore through suburban Oklahoma City on May 20, ...

Answer
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.
More Info

How do tornadoes form? - eSchooltoday

eschooltoday.com

Here is simple step by step description of how a tornado develops.

Earth Science for Kids: Weather - Tornadoes - Ducksters

www.ducksters.com

Kids learn about tornadoes including how they form, characteristics, types including supercell ... The typical steps for the formation of a tornado are as follows:.

How Are Tornadoes Formed - Universe Today

www.universetoday.com

Aug 24, 2010 ... The warm air eventually twists into a spiral and forms a funnel cloud. The sky ... There is a clear set of steps in the formation of a tornado. First ...