Web Results

Tornado Facts: Causes, Formation & Seeking Shelter - Live Science


Apr 19, 2016 ... Tornadoes are violent storms that kill 80 people each year. ... Tornado wind and debris cause most of the structural damage suffered, but nearly half of the .... Enormous Tornado-Blocking Walls: Could Wild Idea Really Work?

What causes tornadoes?


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

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.

How Tornadoes Form and Why They're so Unpredictable


May 11, 2015 ... The fierce storms can happen at any time of year but are most common ... This happens when air descending from the supercell causes rotation near the ground. Even then, "we still don't know why some thunderstorms create tornadoes while others ... "We don't understand how tornadoes die," Brooks say...

Where do tornadoes come from? - UCSB Science Line - University ...


Tornadoes can occur in every state in the United States, on any day of the year, and at any hour. ... When typically form when the following happens: increasing rainfall causes ... Atmospheric scientists still don't know exactly how tornadoes form. ... effect, but concentrated somehow, but I'm pretty sure we don't exactly k...

Severe Weather 101: Tornado Basics


Tornadoes are the most violent of all atmospheric storms. ... Since official tornado records only date back to 1950, we do not know the actual average number of ... The most common and practical way to determine the strength of a tornado is to look at the damage it caused. ... The truth is that we don't fully understand.

Oklahoma tornado: What causes storms in 'Tornado Alley'? - BBC.com


May 21, 2013 ... Graphic shows why tornadoes form around Oklahoma. Media playback ... Oklahoma tornado: What causes storms in 'Tornado Alley'?. 21 May ...

Tornado Alley - Wikipedia


Tornado Alley is a colloquial term for the area of the United States where tornadoes are most ... Canada and the Rocky Mountains. This creates an ideal environment for tornadoes to form within devel...

Tornado Alley - Personal.psu.edu


What is Tornado Alley? ... There are three types of air needed to cause a tornado. ... A third layer, of very warm dry air, forms between the warm and moist air at ...

Popular Q&A
Q: What causes tornadoes? - Quora
A: Tornadogenesis: Classical tornadoes are supercellular tornadoes, which have a recognizable .... While we cannot predict exactly when a tornado will touch down,... Read More »
Source: www.quora.com
Q: What are the causes and effects of tornadoes? - Quora
A: The primary "cause" of tornadoes is the physical law of conservation of angular ... Exactly how this happens in the atmosphere is not completely unde... Read More »
Source: www.quora.com
Q: What causes a tornado? | Wikianswers | Fandom powered by Wikia
A: From National Weather Service: Most tornadoes are spawned from supercell thunderstorms. Supercell thunderstorms are characterized by a persistent rotating ... Read More »
Source: answers.wikia.com
Q: The Causes & Effects of Tornadoes | eHow
A: The Causes & Effects of Tornadoes. A large thunderstorm that encounters certain atmospheric conditions can produce tornadoes, the large, fast-moving funnel... Read More »
Source: www.ehow.com
Q: What causes the high level of tornado activity in Tornado Alley ....
A: There are multiple factors which combine to cause so many tornadoes in the alley :- 1. A very ... In the U.K., a law degree is a bachelor's degree (actuall... Read More »
Source: www.quora.com