Extratropical cyclones, sometimes called mid-latitude cyclones or wave cyclones, are low-pressure areas which, along with the anticyclones of high-pressure areas, drive the weather over much of the Earth. Extratropical See more

Surface pressure and wind distribution
The windfield of an extratropical cyclone constricts with distance in relation to surface level … See more

Extratropical cyclones are generally driven, or "steered", by deep westerly winds in a general west to east motion across both the Northern and Southern hemispheres of the … See more

The term "cyclone" applies to numerous types of low pressure areas, one of which is the extratropical cyclone. The descriptor extratropical signifies … See more

Extratropical cyclones form anywhere within the extratropical regions of the Earth (usually between 30° and 60° latitude from the equator), either through cyclogenesis or extratropical … See more

There are two models of cyclone development and life cycles in common use: the Norwegian model and the Shapiro–Keyser … See more

General
Extratropical cyclones can bring little rain and surface winds of 15–30 km/h (10–20 mph), or they can be dangerous with torrential rain and winds exceeding 119 km/h (74 mph), and so they are sometimes referred … See more