A tornado in a dream commonly reflects chaos that feels destructive and largely outside your ability to steer -- a situation changing faster than you can adapt to it. Watching it from a distance can mirror anxiety about an approaching disruption, while being caught inside often names a loss of control you're already living through.
The Sun is in conflict with those who are ruled by Saturn, and Saturn is in conflict with those ruled by the Sun. - Picatrix (Andalusia, ~1000.AD)