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Introduction to Tornadoes - A Weather Guide Tutorial

Living in Tornado Alley

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Tornado Alley
The National Weather Service
The Number of Tornadoes Reported Yearly
Each year about one thousand tornadoes, on average, are reported. Many of these tornadoes do not produce significant damage. But some tornadoes produce damages in the billions of dollars. Take a look at the top 10 most costly tornadoes.

Living in Tornado Alley
Tornado Alley is a common name used to indicate states that have a high liklihood of having a tornado. States included in Tornado Alley are
  • Texas
  • Colorado
  • Kansas
  • Nebraska
  • Oklahoma
  • Arkansas
  • Illinois
  • Indiana
  • Missouri
Other states with a high liklihood of tornado formation from different Tornado Alley maps show incidences averaged over time. But, does that mean you will never be hit by a tornado? No! In fact tornadoes occur worldwide!

Tornadoes Can Occur Worldwide
Although most often reported in the United States, tornadoes can occur worldwide. Other countries include Uraguay, Australia, the United Kingdom, South Africa, and Japan. Most often, however, tornadoes occur in the United States and Canada. The conditions for the formation of tornadoes are specifically ideal here.

Tornado Season
Tornado season does not have a set start and end date. If the conditions are right for a tornado, they can occur anytime throughout the year. In fact, it depends on where you live in the US. If you live more to the southern portions of Tornado Alley, tornadoes are more likely to occur in the late winter and early spring. The farther you live north, the more likely tornadoes are to occur in the latter parts of summer.
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