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副热带高压是由来自赤道低压带上空和副极地低压带上空的空气在副热带对流层上层辐合、聚积下沉增温而形成的暖性高压，简称副高。它是常年存在、稳定少动的大型深厚的天气系统，但由于受地表海陆分布的影响，沿纬圈分裂成几个具闭合中心的高压单位。在北太平洋，有时只有一个
The subtropical high is a warm high pressure formed by the air above the equatorial low pressure zone and the subpolar low-pressure zone that converges and accumulates in the upper subtropical troposphere to increase the temperature, which is abbreviated as the subtropical high. It is a large, deep and stable weather system that exists throughout the year and is stable and inactive. However, due to the influence of surface land-sea distribution, it splits into several high-pressure units with closed centers along the zonal zonality. In the North Pacific, sometimes only one