This is all bologna,the absolute best info is available aggregated in one place, the weather sub on Reddit. It is an unbiased distillation of the best weather models with insightful comments from the most ardent “weather nerds” and real meteorologists.

Because alien languages follow the arbitrary rules of English?

Who’s to say their message wouldn’t contain instructions on how to contact them? It’s not like this isn’t an established science fiction trope already.