Which statement best describes tornadoes?

1: Tornadoes form when the earth’s plates move under the ocean and massive waves hit land.

2: Tornadoes have spinning downdrafts and updrafts that form a funnel cloud.

3: Tornado winds are huge, swirl in a circle, and form over tropical water.

4: Tornadoes form when warm and moist air rises and cumulonimbus clouds form.