Exodus 9:12-14 Common English Bible (CEB)
12 But the Lord made Pharaoh stubborn, and Pharaoh wouldn’t listen to them, just as the Lord had said to Moses.
Hail and thunder
13 Then the Lord said to Moses, “Get up early in the morning and confront Pharaoh. Say to him, This is what the Lord, the God of the Hebrews, says: Let my people go so that they can worship me. 14 This time I’m going to send all my plagues on you, your officials, and your people so that you will know that there is no one like me in the whole world.