the heavens open

US /ðə ˈhɛvənz ˈoʊpən/
UK /ðə ˈhɛvənz ˈoʊpən/
"the heavens open" picture
1.

o céu desaba, começa a chover torrencialmente

when it suddenly starts to rain very heavily

:
We were just about to start our picnic when suddenly the heavens opened.
Estávamos prestes a começar nosso piquenique quando de repente o céu desabou.
I got completely soaked because the heavens opened just as I left the house.
Fiquei completamente encharcado porque o céu desabou assim que saí de casa.