Word by Word Analysis

فَلَمَّا جَآءَ أَمْرُنَا جَعَلْنَا عَـٰلِيَهَا سَافِلَهَا وَأَمْطَرْنَا عَلَيْهَا حِجَارَةً مِّن سِجِّيلٍ مَّنضُودٍ 82

So when Our command came, We made the highest part [of the city] its lowest and rained upon them stones of layered hard clay, [which were]