{{reflist}}
{{Commonscat|Tropical cyclones}}
* [http://www.dmi.dk/dmi/index/viden/temaer/orkaner_-_vejrgudernes__hvirvlende_dans.htm DMI – Orkaner vejrgudernes hvirvlende dans] {{Webarchive|url=https://web.archive.org/web/20081123163025/http://www.dmi.dk/dmi/index/viden/temaer/orkaner_-_vejrgudernes__hvirvlende_dans.htm |date=23. november 2008 }}
* [http://www.bom.gov.au/weather/cyclone/about/tropical-cyclone-intensity.shtml Australian Bureau of Meteorology – Tropical Cyclone Intensity and Impacts] {{Webarchive|url=https://web.archive.org/web/20081201042601/http://www.bom.gov.au/weather/cyclone/about/tropical-cyclone-intensity.shtml |date= 1. december 2008 }}
* [http://www.aoml.noaa.gov/hrd/tcfaq/tcfaqHED.html NOAA Atlantic Oceanographic and Meteorological Laboratory – FAQ : HURRICANES, TYPHOONS, AND TROPICAL CYCLONES]
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