וַיְהִ֣י בָרָ֔ד וְאֵ֕שׁ מִתְלַקַּ֖חַת בְּת֣וֹךְ הַבָּרָ֑ד כָּבֵ֣ד מְאֹ֔ד אֲ֠שֶׁר לֹֽא־הָיָ֤ה כָמֹ֙הוּ֙ בְּכָל־אֶ֣רֶץ מִצְרַ֔יִם מֵאָ֖ז הָיְתָ֥ה לְגֽוֹי׃
So there was hail, and fire flashing up amidst the hail, very grievous, such as had not been in all the land of Egypt since it became a nation.
Read kabbalistic (mystical) interpretation of Exodus 9:24: and classical mystical sources.