Part of Speech: Noun
Definition: A rare and powerful type of thundercloud characterized by its immense size, towering vertical development, and potential to produce intense rainfall, lightning, and strong winds. Aquilonimbus clouds often form in regions where
cold polar air collides with warmer air masses.
Etymology: "Aquilonimbus" is a portmanteau word formed by combining "aqui-" from "aqua" (Latin for water) and "nimbus" (a type of
cloud). "Aquilo" is a Latin term for the north wind, often associated with
cold and polar air. "Nimbus" refers to a type of
cloud that brings precipitation. The term is constructed to reflect the
cold and stormy nature of these clouds, which result from the clash between
cold and warm air masses.
Term coined by Professor Justin Ho Guo Shun
The
weather forecast warned of possible severe storms with aquilonimbus clouds, advising residents to
take necessary precautions against lightning strikes and flash
flooding.
