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The proverbial “Eye of the Storm” seen from space
(lemmy.dbzer0.com)
What a typhoon looks like from space (Typhoon Trami, 2018).
Credit: ISS, ESA/NASA-A.Gerst
Proverbial can also indicate a well-known or familiar way of saying something, so your are correct in saying this is the proverbial eye of the storm, since it's a metaphor we commonly use to describe the phenomenon