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TeachMeFinance.com - explain Extratropical Extratropical The term 'Extratropical' as it applies to the area of the weather can be defined as ' A term used in advisories and tropical summaries to indicate that a cyclone has lost its 'tropical' characteristics. The term implies both poleward displacement of the cyclone and the conversion of the cyclone's primary energy source from the release of latent heat of condensation to baroclinic (the temperature contrast between warm and cold air masses) processes. It is important to note that cyclones can become extratropical and still retain winds of hurricane or tropical storm force'. Previous 5 Terms: Extra-Long Staple Cotton Act of 1983 extraneous Extraordinary income deductions (electric utility) Extrapolation Extraterrestrial Radiation Next 5 Terms: Extratropical Cyclone Extratropical Low Extreme Ultraviolet (EUV) extreme value Extreme Wind Warning About the author Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English". Copyright © 2005-2011 by Mark McCracken, All Rights Reserved. TeachMeFinance.com is an informational website, and should not be used as a substitute for professional medical, legal or financial advice. Information presented at TeachMeFinance.com is provided on an "AS-IS" basis. Please read the disclaimer for details.