How did Noah know the flood was coming?
During the annual inundation, the Euphrates River was at crest stage just below the top of the levees. When Noah saw heavy rain falling in the distance, he knew the river would be rising in a few hours. He did not have to be a metorologist to understand that the river would soon overflow the levees and his livestock and cargo would be destroyed unless he quickly loaded them onto a nearby river barge.