LVQ please note my post is a quote from the Economist. I can furnish another from the New Scientist that says almost the same thing.

Rossby waves are the meandering of the jet stream. As I understand it they are the effect of the interaction of the shearing forces in rotating air (fluid) and the Coriolis force.

But since I didn’t write the post whether I knew or didn’t know is irrelevant. The climate scientist Brian Hoskins did.

So I what in the post is nonsense.