44. Duhan · verses 10–11

فَٱرۡتَقِبۡ يَوۡمَ تَأۡتِي ٱلسَّمَآءُ بِدُخَانٖ مُّبِينٖ

Fairtaqib yawma tatee alssamao bidukhanin mubeenin

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

يَغۡشَى ٱلنَّاسَۖ هَٰذَا عَذَابٌ أَلِيمٞ

Yaghsha alnnasa hatha AAathabun aleemun

Enveloping the people: this will be a Penalty Grievous.