explosive cyclogenesis

[ ik-sploh-siv sahy-kluh-jen-uh-sis ]

nounMeteorology.
  1. the system that rapidly develops when the central barometric pressure of an extratropical cyclone drops at least 24 millibars in 24 hours, producing potentially hurricane-force winds with very heavy rain or snow: Clusters of explosive cyclogenesis persisted for a week, with significant consequences for the southern Alaskan coast.

Origin of explosive cyclogenesis

1
First recorded in 1950–55
  • Also called bomb cy·clone [bom-sahy-klohn], /ˈbɒm ˌsaɪ kloʊn/, weath·er bomb [weth-er bom] /ˈwɛð ər ˌbɒm/ .

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024