וַיֵּצֵ֨א מֹשֶׁ֜ה מֵעִ֤ם פַּרְעֹה֙ אֶת־הָעִ֔יר וַיִּפְרֹ֥שׂ כַּפָּ֖יו אֶל־יְהוָ֑ה וַֽיַּחְדְּל֤וּ הַקֹּלוֹת֙ וְהַבָּרָ֔ד וּמָטָ֖ר לֹא־נִתַּ֥ךְ אָֽרְצָה׃
And Moses went out of the city from Pharaoh, and spread forth his hands unto the LORD; and the thunders and hail ceased, and the rain was not poured upon the earth.
Read kabbalistic (mystical) interpretation of Exodus 9:33: and classical mystical sources.