Upon hearing thunder1 du'a

Glory is to Him Whom thunder and angels glorify due to fear of Him.

Reference:Whenever Abdullah bin Zubair (RA) would hear thunder, he would abandon all conversation and say this supplication. See Al-Muwatta' 2/992. It was graded authentic by Al-Albani as a statement of Abdullah bin Zubayr only.Hisnul Muslim 168

سُبْـحانَ الّذي يُسَبِّـحُ الـرَّعْدُ بِحَمْـدِهِ وَالملائِكـةُ مِنْ خيـفَته

Transliteration

Subḥāna ‘l-ladhī yusabbiḥur-ra`du bi ḥamdihiwa ‘l-malā'ikatu min khīfatih.

Translation

Glory is to Him Whom thunder and angels glorify due to fear of Him.