Jacob answered, “You know that the children are weak, and I must think of the sheep and livestock with their young. If they are driven hard for even one day, the whole herd will die.
The seventh time he returned and said, “I saw a little cloud no bigger than a man's hand, coming up from the sea.” Elijah ordered his servant, “Go to King Ahab and tell him to get in his chariot and go back home before the rain stops him.”
Then watch it go; if it goes toward the town of Beth Shemesh, this means that it is the God of the Israelites who has sent this terrible disaster on us. But if it doesn't, then we will know that he did not send the plague; it was only a matter of chance.”