When winds intensify, the force released can cause the updrafts to rotate
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Tornadoes rotate because they form from a larger mass of rotating air. In most cases this rotation comes from a mesocyclone, the rotating updraft of a supercell thunderstorm. The mesocyclone can tighten and intensify to produce a tornado. Some tornadoes form from a broad, weak circulation at ground level, which gets caught in a thunderstorm updraft and turned into a narrower but stronger vortex.
There are a couple ways in which a tornado can form, both involving the updraft of a thunderstorm. In the classic model of tornado formation, the updraft of the thunderstorm starts rotating due to interaction with wind shear (differences in wind speed and direction with altitude) and may be influenced by the general rotation of the parent storm system. The tornado then develops from this rotating updraft. In the other model, by which landspouts and most waterspouts form, a broad-level circulation at the ground gets caught in the updraft of a developing thunderstorm, becoming narrower and more intense.
it would still appear to rotate
Cumulus clouds can develop into tornadoes when warm, moist air rises rapidly, creating a strong updraft that can cause the cloud to rotate. If the rotation intensifies and becomes organized, it can eventually lead to the formation of a tornado. Additional atmospheric conditions, such as wind shear, also play a role in tornado formation.
An updraft tower, or solar tower, is a structure used for generating electricity through the power of solar updraft. It consists of a tall tower with a large transparent greenhouse at the base. Sunlight heats the air under the greenhouse, causing it to rise and creating an updraft. Wind turbines at the base of the tower then capture this updraft to generate electricity.