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the formation and development of a low-pressure storm system


(ˌsaɪ kləˈdʒɛn ə sɪs, ˌsɪk lə-)

the intensification or development of a cyclone.
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Kumar said that more and more cyclones are forming over the Arabian Sea as it may be conducive for the cyclogenesis (which means the development or strengthening of cyclonic circulation in the low pressure area).
Sepp (2009) discusses an increase in cyclonic activity and the frequency of westerlies over the Baltic Sea basin during the 20th century along with a tendency of increased cyclogenesis.
From a meteorological point of view, the study of the dynamical factors that appear to foster explosive cyclogenesis in the NA (Wang and Rogers, 2001; Hanley and Caballero, 2012; Gomara et al.
At that point, the storm went through a technical phase known as "rapid cyclogenesis," otherwise known as "bombs" for the speed and intensity of its development.
The results showed that there are two important centers of cyclogenesis in the East and West of the Mediterranean region in the winter and there is an active center on Iberia in the summer.
The current sea surface temperatures anomalies of Arabian Sea during last three weeks have exceeded that has potential for enhanced convection development over there which may lead to some cyclogenesis activities over Arabian Sea during pre-monsoon season (June) of the country.
It indicates the generation of vorticity in cyclogenesis (the birth and development of a cyclone).
Explosive cyclogenesis is defined as when the central pressure of a low falls by more than 24mb in 24 hours.
In the Atlantic, cyclogenesis often occurs off the western coast of Africa, or sufficiently far out over the ocean that long-duration science flights are extremely difficult, officials said.
The first one assumes that the cyclogenesis in the Ligurian Sea is induced by specific conditions of large-scale atmospheric circulation over the Western Europe and Eastern part of the Atlantic Ocean.
The broad geographic regions of cyclogenesis, and therefore also the regions affected by tropical cyclones, are not expected to change significantly," reports a group of 11 storm specialists in the January Bulletin of the American Meteorological Society.