Astraphobia (noun)
astraphobia [as-truh-foh-bee-uh]
noun Psychiatry.
1. an abnormal fear of thunder and lightning.
Also, astrapophobia [as-truh-puh-foh-bee-uh]
Origin: < Greek astra (pḗ) lightning + -phobia
Now YOU come up with a sentence (or fic? or graphic?) that best illustrates the word.