(Raak) NO, not blue sky, literal or metaphoric.
(Tuj) In the Bible? Almost certainly, so YES. But again, I am not fully acquainted with The Book.
(RtG) Weather phenomenon? NO.

(Raak) Fire and brimstone? NO.
(Tuj) In the mind? *a few audience members show signs of amusement* . NO. This objectively exists.
(Bis) Heaven? *audience further engrossed*. NO