Question

What wound increase the intensity of a tornado

Answer 1

An influx of warm, moist air into the tornado's parent thunderstorm may cause the tornado to intensify or entering a valley.

Answer 2

A tornado is firstly caused by when the warm air and cold air begin to chase one another round and round. If you think about it , it is like a fight between hot and cold. And the more there is one of the air types the more intense the tornado becomes