Title text:
While weather control is typically thought of as a superpower, the unconscious ability of astronomers and astrophotographers to summon clouds is more properly classified as a curse.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3253/
So that's why I see flags everywhere (cars, houses, hats, etc. ). People seem to forget which country they're in.