الدُّخَانِ · 10

فَٱرۡتَقِبۡ يَوۡمَ تَأۡتِي ٱلسَّمَآءُ بِدُخَانࣲ مُّبِينࣲ‏

Then watch thou for the Day that the sky will bring forth a kind of smoke (or mist) plainly visible