God had revealed to Noah that the Flood was coming and had instructed him to sound a warning. Similarly, Jehovah told Amos to give a final warning.
(‏ عاموس ٣ :‏ ٧‏ )‏ وكما كشف الله لنوح مجيء الطوفان وطلب منه ان يحذّر الناس ،‏ طلب ايضا من عاموس ان يطلق تحذيرا نهائيا .‏