[2020] Natural disasters not working

Are you using any mods?

Then you most likely have an outdated mod that's messing with things. I know Network Extensions Project causes this, but there might be others. Compare your mods to this list of known broken mods and remove/replace any you might have.

https://docs.google.com/spreadsheets/d/1mVFkj_7ij4FLzKs2QJaONNmb9Z-SRqUeG6xFGqEX1ew/edit?usp=sharing