Traditional Culture Encyclopedia - Weather forecast - What are the planetary scale weather systems that affect precipitation in China?

What are the planetary scale weather systems that affect precipitation in China?

① Long wave trough in westerly belt, Balkhash Lake trough, Baikal Lake trough, Central Pacific trough and low trough in western Qinghai-Tibet Plateau;

② blocking high pressure, Wushan blocking high pressure, Yakutsk-Okhotsk blocking high pressure and Baikal blocking high pressure;

③ Subtropical high;

④ Tropical circulation, interaction between tropical system and mid-latitude system.