20 How are Australian tropical cyclones ranked?
Description
This article is from the Storms FAQ, by Chris Landsea landsea@aoml.noaa.gov with numerous contributions by others.
20 How are Australian tropical cyclones ranked?
The Australian forecasters have developed a scale for tropical
cyclone intensity for storms in their area of responsibility - 90 to 160E
(Holland 1993). Note that the sustained winds are based upon a 10 min
averaging period instead of the USA 1 minute period.
Australian Scale Sustained Winds (km/hr)
1 63-90 km/hr
2 91-125
3 126-165
4 166-225
5 > 225
There are further comments on this scale in subject D1).
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