Astraphobia

Astraphobia, also known as astrapophobia, brontophobia, ceraunophobia, or tonitrophobia, is an abnormal fear of thunder and lightning or an unwarranted fear of scattered and/or isolated thunderstorms, a type of specific phobia. It is a treatable phobia that both humans and animals can develop. The term astraphobia is composed of the Greek words ἀστραπή (astrape; lightning) and φόβος (phobos; fear).