Worldwide figures are not available, but the United States averages about 1200 tornadoes per year.
when there is a severe thunderstorm
Most tornadoes are supercell tornadoes.
Yes. In fact tornadoes occur fairly frequently in Argentina.
Tornado in the U.S. most frequently occur on the Great Plains.
Tornadoes most frequently form on the Great Plains in the United States.
Tornadoes occur frequently in Florida and Texas, but are rare in Nevada.
Oklahoma averages about 65 tornadoes per year, though they are not evenly distributed throughout the year. Tornadoes tend to occur in outbreaks which hit Oklahoma most frequently in the spring.
Tornadoes can occur in all regions of Virginia, but they are most common in the western and central parts of the state, particularly in the Appalachian Mountains. Tornadoes can also occur in the Tidewater and Piedmont regions, although they are less frequent.
Tornadoes occur most frequently in the central region of Texas known as Tornado Alley. This area includes cities such as Dallas, Fort Worth, and Waco. Tornadoes can also occur in other parts of Texas, but they are most common in the central region.
Tornadoes occur the most in Tornado Alley, a region in the United states that includes Texas, Kansas, Oklahoma, Nebraska, Missouri, South Dakota and Iowa. While tornadoes can occur elsewhere, nowhere else in the world do they occur more frequently.
Tornadoes typically occur least frequently during the winter months of December, January, and February. This is because cooler temperatures reduce the instability in the atmosphere that is necessary for tornadoes to form.
The greatest number of tornadoes worldwide occur in the United States. Tornadoes occur frequently in Missouri, Arkansas, Kansas, Oklahoma, Texas, Tennessee, and Mississippi. They are a bit less frequent in the northern plains states and Ohio Valley. Every state in the USA has had tornadoes at some time.