1. 
   cyclogenesis
   (from the article `atmosphere`) ...stage are referred to as wave cyclones, while extratropical lows that reach the mature and occluded stages are called baroclinically unstable ... ...this reservoir to be tapped, a cyclone (called a wave, or frontal, cyclone) must develop much in the way shown in th...
   Found op http://www.britannica.com/eb/a-z/c/174
   
   
2. 
   Cyclogenesis
   Cyclogenesis is the development or strengthening of cyclonic circulation in the atmosphere (a low pressure area). Cyclogenesis is an umbrella term for several different processes, all of which result in the development of some sort of cyclone. It can occur at various scales, from the microscale to ...
   Found op http://en.wikipedia.org/wiki/Cyclogenesis
   
   
3. 
   Cyclogenesis
   Process of cyclone formation, maturation, and death.
   Found op http://www.physicalgeography.net/physgeoglos/c.html
   
   
4. 
   CYCLOGENESIS
   The process that creates a new low pressure system or cyclone, or intensifies a pre-existing one. It is also the first appearance of a trough.
   Found op http://www.weather.com/glossary/c.html
   
   
5. 
   Cyclogenesis
   Process of initiation or intensification of a cyclonic circulation in the atmosphere; the opposite to cyclolysis.
   Found op http://nsidc.org/arcticmet/glossary/cyclogenesis.html
   
   

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