Every firstborn son in Egypt will die, from the firstborn son of Pharaoh, who sits on the throne, to the firstborn son of the female slave, who is at her hand ...

So Moses stretched out his staff over Egypt, and the LORD made an east wind blow across the land all that day and all that night. By morning the wind.

New International Version So Moses stretched out his staff over Egypt, and the LORD made an east wind blow across the land all that day and all that night.

And he went out from Pharaoh, and intreated the LORD. And the LORD turned a mighty strong west wind, which took away the locusts, and cast them into the Red sea ...

Moses stretched out his rod over the land of Egypt, and the LORD brought an east wind on the land all that day and all that night.

So Moses stretched out his staff over the land of Egypt, and the Lord brought an east wind upon the land all that day and all that night.

The locusts, driven by an east wind, symbolize not just destruction but also the fulfillment of God's promises and warnings to Pharaoh.

Exodus 10:13 So Moses stretched out his staff over Egypt, and the LORD made an east wind blow across the land all that day and all that night.

Then יהוה said to Moses, “Go to Pharaoh. For I have hardened his heart and the hearts of his courtiers, in order that I may display these My signs among...

Exodus 10:13. And Moses stretched forth his rod over the land of Egypt His hand, with his rod in it: and the Lord brought an east wind upon the land,