This map shows where most tornadoes form in the United States. The red
area is known as "Tornado Alley". Most of the tornadoes in the southern
U.S. near the Gulf of Mexico are formed by hurricanes
Click on image for full size
What is "Tornado Alley"?
A section of the Great Plains in the central part of the United States is
called "Tornado Alley". This is because more tornadoes form here than any
other part of the country. The plains are flat which allows cold polar
air from Canada to meet warm tropical air from the Gulf of Mexico.
Tornado Alley looking for tornadoes because there are so many
Shop Windows to the Universe Science Store!Cool It!
is the new card game from the Union of Concerned Scientists that teaches kids about the choices we have when it comes to climate change—and how policy and technology decisions made today will matter. Cool It! is available in our online store
You might also be interested in:
How did life evolve on Earth? The answer to this question can help us understand our past and prepare for our future. Although evolution provides credible and reliable answers, polls show that many people turn away from science, seeking other explanations with which they are more comfortable....more
Storm chasers are different than storm spotters. Chasers travel around Tornado Alley looking for severe storms and tornadoes. Sometime there are dozens of chasers following the same storm. All kinds of...more
Tornadoes form from severe thunderstorms. They are very destructive because they have a high energy density. They also don't last very long. This makes it hard to learn about them. Since scientists don't...more
Most of the world's tornadoes happen in the United States. These tornadoes are around Tornado Alley. There are about 750 tornadoes each year in the U.S. An average of about 100 people are killed each year...more
Sound travels in waves. When the waves hit your ear, you hear a sound. Have you ever noticed the waves in the ocean? They go up and down, up and down. Sound waves act the same way. The number of times...more
A tornado is the most destructive natural storm. You might think that this also means that tornadoes are the strongest storms; that's not the case. In fact, a thunderstorm which produces a tornado can...more
The Doppler effect was named after Christian Doppler, who first came up with the idea in 1842. He learned that sound waves would be pushed closer together if the source of the sound was moving toward you....more
Tornadoes are hard to forecast. They don't last very long so there's not much time to figure out what's happening. Also, scientists don't really know how they form. They know what the weather's like when...more