《meteorology》high (atmospheric) pressure; high-pressure system; high-pressure zone; anticyclone
low (atmospheric) pressure; low-pressure system; depression; cyclone
高気圧に覆われて晴れている。
It's sunny under high pressure.
今日は高気圧で晴れています。
Today it's sunny due to high pressure.
太平洋高気圧が張り出す。
The Pacific high pressure is expanding.