気圧(きあつ)配置(はいち)

きあつはいち
noun
atmospheric pressure pattern; pressure distribution
weather
1. pressure pattern; arrangement of pressure systems
The arrangement of high- and low-pressure areas across a region, as shown on a weather map. It determines wind direction and overall weather conditions.
冬型(ふゆがた)の気圧(きあつ)配置(はいち)になった。
A winter-type pressure pattern has set in.
天気図(てんきず)で気圧(きあつ)配置(はいち)を確認(かくにん)する。
I check the pressure pattern on the weather map.
西高東低(せいこうとうてい)の気圧(きあつ)配置(はいち)が続(つづ)き、強(つよ)い北風(きたかぜ)が吹(ふ)いた。
A high-west, low-east pressure pattern continued, bringing strong northerly winds.

Composed of 気圧(きあつ) (atmospheric pressure) + 配置(はいち) (arrangement, layout). A weather-forecast term for how high- and low-pressure systems are positioned.

Common collocations

  • 冬型(ふゆがた)の気圧(きあつ)配置(はいち): winter-type pressure pattern
  • 気圧(きあつ)配置(はいち)が緩(ゆる)む: the pressure pattern weakens

Usage

A frequent phrase in TV and newspaper forecasts. 西高東低(せいこうとうてい) (high pressure to the west, low to the east) is the classic winter pattern that brings cold northerly winds to Japan.