Question

what causes a tornado to be formed?​

Answer 1

When the warm air moves upward into an area of cold air, instabilities will begin to form. The cap of cold air will eventually give way, causing the storm winds to begin spinning. This will create a funnel shaped cloud. If that funnel cloud touches the ground, it becomes a tornado

Answer 2

Explanation:

The most violent tornadoes come from supercells, large thunderstorms that have winds already in rotation. ... Tornadoes form when warm, humid air collides with cold, dry air. The denser cold air is pushed over the warm air, usually producing thunderstorms