Most tornadoes are just a few yards wide when they touch down and grow to 50 to 100 yards wide at peak size.
By how strong the tornado is. Even though strong tornadoes tend to be larger how strong a tornado is does not determine its size. Relatively weak tornadoes have been very large and extremely strong tornadoes have been relatively small.
No, they start from thunderstorms.
No. A lava flow may trigger convection, but not tornadoes.
No. Hurricanes start over water and tornadoes are on land.
Tornadoes start as a funnel cloud, becoming a tornado when they reach the ground.
Definitely Not
Humans cannot start tornadoes.
Tornadoes start up in the clouds & make their way down to touch land.
No. Hurricanes and tornadoes are two different types of storm. Size is not the only difference.
No. Tornadoes vary greatly in strength, size, duration, speed of travel, and appearance.
No. Waterspouts are generally smaller than most tornadoes. Though a few are in the same size range that tornadoes typically fall into.
tornadoes can start in any continent except Antarctica and in the U.S the Midwest is full of rural areas and grassy lands which makes tornadoes to form often in those areas