thunderstorm

noun

Etymology: From thunder + storm.

1. A storm consisting of thunder and lightning produced by a cumulonimbus, usually accompanied with heavy rain, wind, and sometimes hail; and in rarer cases sleet, freezing rain, or snow.

   “I have never believed, as some people do, in omens and forewarnings, for the dramatic things in my life have generally come upon me as suddenly as a tropical thunder-storm.”