polar-front theory

A theory whereby a polar front, separating air masses of polar and tropical origin, gives rise to cyclonic disturbances which intensify and travel along the front, passing through various phases of a characteristic life history.

Related terms:

• polar front
• Southern Polar Front
• maritime polar air
• antarctic front
• polar outbreak
• front
• polar maritime air
• arctic front
• polar air
• barrier theory of cyclones