cyclogenesis
noun [ U ] environment specialized uk/ˌsaɪ.kləʊˈdʒen.ə.sɪs/ us/ˌsaɪ.kloʊˈdʒen.ə.sɪs/
气旋形成
a fall in air pressure that leads to the forming of a cyclone (= a severe tropical storm)
The autumn is a period of high levels of tropical cyclone activity, since sea temperatures remain high enough to promote cyclogenesis. 秋季是热带气旋活动的高发期，因为海水温度仍然很高，足以促进气旋形成。
See also: explosive cyclogenesis
- More examples
- The combination of moisture meeting cold air led to what is called "cyclogenesis" - the birth of a new storm.
- Where cyclogenesis occurs, precipitation is enhanced.
- Tropical cyclones, which form over warm tropical waters, are less frequent in spring since sea temperatures are generally too low for cyclogenesis.