Wiktionary
thundersquall
n. A squall accompanied by thunder.
Usage examples of "thundersquall".
It sounds like a regular spring thundersquall bursting over Cairo, with intellectual lightning just everywhere.
HE did not linger around the creek and the schooner, because he wanted a general idea of the shape of the island, and the lightning that was jabbing white-tongues out of the front and base of the oncoming thundersquall was the best source of light he would have, probably, for several hours.
She had to pause a moment to let another thundersquall explode its fury.