explosive cyclogenesis

American  

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

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.

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Etymology

Origin of explosive cyclogenesis

First recorded in 1950–55

Example Sentences

Goretti, named by French forecasters, is likely to undergo "explosive cyclogenesis" - also known as a "weather bomb".

From BBC

Goretti will likely undergo "explosive cyclogenesis" on Thursday - sometimes called a "weather bomb".

From BBC

Explosive cyclogenesis is generally a sign of a storm that could bring strong winds.

From BBC

Dr Simon Lee, an expert in atmospheric science at the University of St Andrews, said the drop in pressure was expected to be twice the threshold needed to be called an explosive cyclogenesis – an unofficial term sometimes dubbed a "weather bomb" – and it could lower the boiling point of water which is normally 100C.

From BBC

BBC Weather's Matt Taylor confirmed that Ciarán has been classified as a weather bomb, or 'explosive cyclogenesis'.

From BBC