Tornadoes usually happen in a temperate to subtropical climate zone. Hot spots include the United States, southern Canada, India, Bangladesh, and Argentina.
The region is usually called Tornado Alley
Tornadoes are more common on the Great Plains, though this has more to do with climate than with topography.
Tornadoes can form almost anywhere, but are most common in the central United States.
On a large scale, yes. Geography affects climate, and climate determines how prone an area is to tornadoes. On a smaller scale, mountainous terrain can interfere with a storm's organization, making it harder for it to produce tornadoes. However, once a tornado forms it can pass over hills and mountains without being affected.
Two thirds of the worlds recorded tornadoes occur int he United States. However, the U.S. portion of tornadoes is likely highly exaggerated as many countries do not keep records on their tornadoes.
Tornadoes can happen in Ottawa. Canada does get tornadoes, though not as often as the U.S. due to its cooler climate.
Tornadoes are most common in temperate or subtropical climates.
Tornadoes can happen anywhere - they're usually formed from severe thunderstorms.
Tornadoes always happen during thunderstorms. They cannot occur without them.
Normally in the Spring and early summer. But tornadoes can happen all year long.
Tornadoes usually happen in the months; April, May, and June.
Tornadoes occur most often in the late afternoon.
Tornadoes are relatively rare west of the Rockies largely due to the dry climate, which is not very good for producing the violent thunderstorms that bring tornadoes.
The majority of UK tornadoes are not recorded. So most statistics on the number of recorded tornadoes in the UK are usually around 70. Most UK tornadoes happen in the countryside (so don't get noticed) and are very small (usually). It is common belief that more tornadoes happen in the UK than in the US (tornado ally included) - Although US tornadoes are way bigger and stronger than those in the UK and so more are likely to be noticed and therefore recorded. Tornadoes in the UK usually happen in the summer when the weather conditions are right.
Tornadoes will happen with or without climate change. So far there is no conclusive evidence of a link between tornado activity and climate change.
Tornadoes can occur just about anywhere in the U.S. but they are most common on the Great Plains.
It depends on where you live. In the south tornadoes usually occur in late winter, spring and summer. In the north tornadoes usually happen during the late spring and summer. Overall tornadoes can happen at any time of year.