explosive cyclogenesis

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

noun

, Meteorology.

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.

Word History and Origins

Origin of explosive cyclogenesis¹

First recorded in 1950–55