wind blowing down from mountains; katabatic wind
Refers to a strong, cold wind descending mountain slopes, often associated with specific local names like 六甲颪 (Rokkō oroshi) or 比叡颪 (Hiei oroshi).
In winter, a strong wind blows down from the mountains in this region.
The Rokkō oroshi is a winter feature of Kobe.
wind blowing down from a mountain peak
The kanji 颪 is a 国字 (kokuji, a character created in Japan) composed of 下 (down) and 風 (wind), literally meaning 'wind coming down'. The reading おろし is the noun form of the verb 下ろす (to bring down).