eli5: why are tornadoes common in north America but not other parts of the world?

Question

eli5: why are tornadoes common in north America but not other parts of the world?

In: 148

Answer 1

Fun fact: tornados are also relatively common in Bangladesh as cold air off the Himalayas and warm air from the Bay of Bengal meet. Due to high population density and lowered building codes, the deadliest tornado list tends to be Bangladesh-impacting tornados.