Fast, Rotating Storm
This page is the CodyCross answer for the clue below from Apothecary, Group 1971, Puzzle 3 (Rigorous Training).
Question is: Fast, Rotating Storm
and the answer is: WHIRLWIND
Word Meaning:
WHIRLWIND — A windstorm of limited extent, such as a tornado, dust devil, or waterspout, characterized by an inward spiral motion of the air with an upward current in the center; a vortex of air.
Definitions from Wiktionary.