热带气旋往往沿着赤道，在热带温暖的水域生成，然后向南北移动到亚热带地区。
Tropical cyclones tend to form along the Equator, over the warm waters of the tropics, then move northward or southward into the subtropics.
伴随登陆热带气旋生成的低空东南急流为暴雨输送了丰富的热量和水汽，成为联系中低纬度系统的纽带。
The low-level southeast jet accompanying the tropical cyclone transports a plenty of heat and moisture for the event.
结果表明，采用不同模式的初始资料生成得到初值集合成员的方法用于集合预报，对南海热带气旋路径预报有一些明显的改进。
The results show that some obvious improvements can be obtained for the track forecasting by using ensemble members formed by the data of initial fields of the 3 different numerical models.
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