Idea is to arificially create similar conditions which forms whirlwinds/tornadoes, or some form of air streams, from sun heat or industrial/urban waste heat, to ensure persistent wind power production.
Canadian innovator Louis Michaud has some working models on smaller scales:
... and there are other projects:
- from Georgia Tech
- chinese Solar Chimney, so far largest in the world
- earlier german working prototype in Spain (and some others)
- some more tech stuff: