hēmat' opōrinōi, hote labrotaton cheeī hydōr Zeus, hote dē rh' andressi kotessamenos chalepēnēi
on an autumn day, when Zeus pours water most furiously, when angered he is vexed against men
Source: Homer, Iliad 16.385
Register: technical
Etymology
Iliad 16.385-386, the famous flood simile.