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There are a number of reasons Tornado Alley gets so many tornadoes. The region is the site of frequent collisions of warm, moist air from the Gulf of Mexico, cool air from Canada, and dry air from the Rockies. These collisions result in very strong thunderstorms, with the moist air acting as their "fuel." Additionally, the region often has a layer of stable air called a cap that suppresses storms, allowing only the strongest to develop. As a result the strong storms don't have to compete with weaker ones for energy and so become even stronger. Finally, the region often sees strong vertical wind shear, or a variation of wind speed and direction with altitude. This tilts them in such a way that the updraft and downdraft portions becomes separated and don't interfere with one another, letting the already strong storm further strengthen and last longer. The wind shear also sets the storms rotating, turning them into supercells, the most powerful thunderstorms on earth. It is the rotation within these supercells that can develop into a tornado.

Other parts of the world do see such conditions and thunderstorms at least occasionally, but not with the same frequency as in Tornado Alley.

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Q: Why do more tornadoes form in Tornado Alley than any other place on earth?
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Related questions

Is England in tornado alley?

No. Tornado Alley is in the central United States. It is a fairly common misconception that tornadoes can only occur in Tornado Alley. In reality they can occur almost anywhere; Tornado Alley just gets more and stronger tornadoes than other places do.


Where in the world do tornadoes occur other than in tornado alley?

Just bout everywhere. Tornado Alley isn't an area where tornadoes form exclusively, it's just a place where they form more frequently than other places.


Is Kentucky part of tornado alley?

No. Tennessee is not in Tornado alley, though by some standards it is in Dixie Alley, which also sees high numbers of tornadoes. Dixie Alley also includes parts of Louisiana, Mississippi, and Alabama


What are the most places that tornadoes go to?

Most tornadoes are found in Kansas, Oklahoma, Texas and other parts of Tornado Alley.


How many tornadoes hit in tornado alley each day?

The area gets 700-800 tornadoes each year, which averages to about 2 tornadoes each day. However, tornadoes do not hit Tornado Alley daily, but often occur in outbreaks. Also, tornado activity is much higher in spring and early summer than other times of year.


Where in the US can tornadoes happen?

Tornadoes have occurred in all 50 states. However. Most tornadoes happen in or near the area known as tornado alley, which extends north from Texas to South Dakota and includes parts of some adjacent states.


What U.S regions are known for having tornadoes?

The Great Plains are the most tornado-prone region in the world, earning the title Tornado Alley. The Deep South, particularly in Alabama and Mississippi, also has a high incidence of strong tornadoes, forming a region known as Dixie Alley. Florida also has a high incidence of tornadoes, comparable to that of Tornado Alley, but the tornadoes in Florida are weaker than in other tornado-prone regions. Finally, some suggest that there is a "Hoosier Alley" covering parts of Illinois, Indiana, Ohio and Michigan.


Does Texas Experience tornadoes?

It is in Tornado Alley, but they are rare.


Where are the most common places tornadoes happen in America?

Surprisingly, the UK has the highest number of reported tornadoes for its land area of any country in the world. However - Tornado Alley in the U.S.A reports the greatest number of tornadoes overall.


What other areas of the US do tornadoes occur with regularity?

The area with the highest tornado frequency in the U.S. is Tornado Alley. A region stretching across the Great Plains from Texas to South Dakota and Iowa. Another tornado hot spot is in Florida.


Besides Kansas what is another place that has tornadoes?

Tornadoes are possible just about anywhere in the world that gets thunderstorms. Kansas itself is in a region called Tornado Alley, which gets more tornadoes, especially strong ones, than any other region in the world. In addition to Kansas, Tornado Alley also includes Texas, Oklahoma, Nebraska, South Dakota, and parts of Colorado and Missouri. Florida has the most tornadoes among U.S. states outside of Tornado Alley. Other countries with high tornado activity include Canada, Australia, India, Bangladesh, South Africa, and Argentina.


Why is tornado alley dangerous?

Tornado Alley is locate in the central part of the United States extending from Texas to South Dakota and Iowa and covering small portions of a few other states. Tornado Alley gets its name from the fact that it sees more tornadoes than any other part of the world. The tornadoes there also tend to be stronger than elsewhere.