explosive cyclogenesis

[ ik-sploh-siv sahy-kluh-jen-uh-sis ]
/ ɪkˈsploʊ sɪv ˌsaɪ kləˈdʒɛn ə sɪs /

noun Meteorology.

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.

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Also called bomb cy·clone [bom-sahy-klohn], /ˈbɒm ˌsaɪ kloʊn/, weath·er bomb [weth-er bom] /ˈwɛð ər ˌbɒm/ .
Compare bombogenesis.

Origin of explosive cyclogenesis

First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020