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Encyclopedia > Norwegian cyclone model
Norwegian cyclone and Shapiro-Keyser model differences in frontal structure

There are two models of cyclone development and lifecycles in common use - the Norwegian model and the Shapiro-Keyser Model. [1] The older of the two is the Norwegian Cyclone Model, developed during and shortly after World War I by meteorologists from Norway and Sweden. In this theory, cyclones develop as they move up and along a frontal boundary, eventually occluding and reaching a barotropically cold environment.[2] It was developed completely from surface-based weather observations, including descriptions of clouds found near frontal boundaries. This theory still retains merit, as it is a good description for extratropical cyclones over continental landmasses. Image File history File links Download high-resolution version (1312x649, 18 KB) Hydrometeorological Prediction Center, Camp Springs, MD Web site: http://www. ... Image File history File links Download high-resolution version (1312x649, 18 KB) Hydrometeorological Prediction Center, Camp Springs, MD Web site: http://www. ... “The Great War ” redirects here. ... A term indicating that the state of something, which is normally open, is now totally closed. ...


See Also

A fictitious synoptic chart of an extratropical cyclone affecting the UK & Ireland. ... A surface weather analysis for the United States on October 21, 2006. ... A guide to the symbols for weather fronts that may be found on a weather map: 1. ...

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