meteorology
meteor + -logy
https://gyazo.com/e537c482de961a6edcdc884f075e6893
source: By Kaidor - Own work based on File:NASA depiction of earth global atmospheric circulation.jpg, CC BY-SA 3.0
noun
the branch of science concerned with the processes and phenomena of the atmosphere, especially as a means of forecasting the weather.
気象学
the climate and weather of a region.
(ある地方の)気象
ORIGIN
early 17th century: from Greek meteōrologia, from meteōron ‘of the atmosphere’ (see meteor).