19 Preface إِنّا أَرسَلنا عَلَيهِم ريحًا صَرصَرًا في يَومِ نَحسٍ مُستَمِرٍّYusuf AliFor We sent against them1 a furious wind, on a Day of violent Disaster,Cf. 41:16. How graphic is the description of the tornado that uprooted them! It must indeed be a dreadful tornado that plucks up the palm trees by their taproots. The “Day” is an indefinite period of time. The wind that destroyed the ‘Ād people lasted seven nights and eight days: 69:7.