Okhotsk anticyclone; Okhotsk high
A high-pressure system that forms over the Sea of Okhotsk, especially in summer, bringing cool, moist air to northern Japan.
When the Okhotsk high strengthens, cold easterly winds blow in Hokkaido.
This summer, a lack of sunshine continued due to the influence of the Okhotsk high.
The Pacific high is a warm, humid anticyclone that brings summer heat, contrasting with the cool, moist Okhotsk high.
Compound of オホーツク (Okhotsk) + 海 (sea) + 高気圧 (anticyclone/high-pressure system). The term is a straightforward meteorological name.