bomb cyclone
noun [ C ] environment specialized uk/ˈbɒm ˌsaɪ.kləʊn/ us/ˈbɑːm ˌsaɪ.kloʊn/
炸弹气旋
a severe storm that develops very fast, in which the air pressure at its centre falls quickly by a large amount
Bomb cyclones form when air near Earth's surface rises quickly in the atmosphere, triggering a sudden drop in barometric pressure — at least 24 millibars within 24 hours. 炸弹气旋的形成是因为靠近地球表面的空气在大气中迅速上升，引发气压突然下降——在24小时内至少下降24毫巴。
Synonym: weather bomb
See also: bombogenesisexplosive cyclogenesis
- More examples
- Bomb cyclones are more common than most people realize.
- The official term for a bomb cyclone is explosive cyclogenesis or bombogenesis.
- The term "bomb cyclone" refers to the explosive power that these storms derive from rapid pressure drops.
- There were warnings of a dramatic-sounding bomb cyclone.