Exodus 9:22

Now the Lord said to Moses, “Stretch out your hand [with your staff] toward the sky, so that there may be hail in all the land of Egypt, on man and on animal and on all the vegetation of the field, throughout the land of Egypt.”

Revelation 16:21

And giant hailstones, as heavy as a talent, fell from the sky on the people; and people reviled and spoke abusively of God for the plague of the hail, because the plague was so very great.

Exodus 7:19

Then the Lord said to Moses, “Say to Aaron, ‘Take your staff and stretch out your hand over the waters of Egypt, over their rivers, over their streams, over their pools, and over all their reservoirs of water, so that they may become blood; and there shall be blood throughout all the land of Egypt, in containers both of wood and of stone.’”

Exodus 8:5

Then the Lord said to Moses, “Say to Aaron, ‘Stretch out your hand with your staff over the rivers, over the streams and canals, over the pools [among the reeds], and make frogs come up on the land of Egypt.’”

Exodus 8:16

Then the Lord said to Moses, “Say to Aaron, ‘Stretch out your staff and strike the dust of the ground, and it will become [biting] gnats (lice) throughout the land of Egypt.’”

Treasury of Scripture Knowledge

Summary

And the LORD said unto Moses, Stretch forth thine hand toward heaven, that there may be hail in all the land of Egypt, upon man, and upon beast, and upon every herb of the field, throughout the land of Egypt.

Bible References

General references

Exodus 7:19
Then the Lord said to Moses, “Say to Aaron, ‘Take your staff and stretch out your hand over the waters of Egypt, over their rivers, over their streams, over their pools, and over all their reservoirs of water, so that they may become blood; and there shall be blood throughout all the land of Egypt, in containers both of wood and of stone.’”
Exodus 8:5
Then the Lord said to Moses, “Say to Aaron, ‘Stretch out your hand with your staff over the rivers, over the streams and canals, over the pools [among the reeds], and make frogs come up on the land of Egypt.’”
Revelation 16:21
And giant hailstones, as heavy as a talent, fell from the sky on the people; and people reviled and spoke abusively of God for the plague of the hail, because the plague was so very great.