Causes of Tornadoes (continued)

There is not a good balance of twist and pull alignment in that situation. For a tornado to occur it helps to have an overlapping alignment between the updraft and the wind shear. This is a situation of significant Helicity and significant CAPE close to the surface occurring at the same time.
As twisting air accelerates upwards it will stretch. This stretching will enhance the rotation rate just like an ice skater twists faster when the hands are brought closer to the spinning body. Tornadoes produce the most powerful winds on earth. People that have seen tornadoes are often in awe of the fury and power of the wind.

What causes tornadoes?

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