noun
Technical meteorological term for an upslope wind caused by daytime heating of a mountain slope.
日中はアナバチック風が谷に沿って吹き上がる。
During the day, anabatic winds blow up along the valley.
Katabatic wind is the opposite: cold, dense air flowing down a slope, typically at night.
From English 'anabatic' (from Greek 'anabasis', going up) + 風 (wind).