Moses
Exodus 9:33ESV·traditional attribution

So Moses went out of the city from Pharaoh and stretched out his hands to the LORD, and the thunder and the hail ceased, and the rain no longer poured upon the earth.

Matthew Henry Presbyterian @wholebiblehenry

The threatened plague of hail is here summoned by the powerful hand and rod of Moses (Exo 9:22, Exo 9:23), and it obeys the summons, or rather the divine command; for fire and hail fulfil God's word, Psa 148:8. And here we are told, I. What desolations it made upon the earth.

Commenting on Exodus 9:22-35

John Gill Reformed Baptist @doctorgill

And when Pharaoh saw that the rain, and the hail, and the thunders were ceased,.... And there was a clear sky and a fine serene heaven, the black clouds were dispersed and gone, and he heard no more the clattering of the hailstones, and the terrible claps of thunder, and saw no more the flashes of lightning, but all was calm and composed: he sinned...

Jamieson-Fausset-Brown Reformed @jfbcommentary

PLAGUE OF HAIL. (Exo. 9:18-35) I will cause it to rain a very grievous hail, &c.--The seventh plague which Pharaoh's hardened heart provoked was that of hail, a phenomenon which must have produced the greatest astonishment and consternation in Egypt as rain and hailstones, accompanied by thunder and lightning, were very rare occurrences.

Commenting on Exodus 9:18-35