Astraphobia

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