FAQ: Difference between revisions

8 bytes added ,  16:42, 5 April 2017
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(→‎What do the various wind speeds in Cumulus correspond to, with Fine Offset stations?: Quoting words like 'number of revolutions of the anemometer in two seconds' from AllyCat (Alan) as easier to understand; using term "reported" instead of "used")
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* The highest of the Fine Offset 'Gust' values over the previous 10 minutes becomes what Cumulus  reports as the 'Gust' speed.
* The highest of the Fine Offset 'Gust' values over the previous 10 minutes becomes what Cumulus  reports as the 'Gust' speed.
   
   
Note that the World Meteorological Office definition of a wind gust is the mean wind speed over a 2 to 3 second sample period (not the maximum instantaneous wind speed).
Note that the World Meteorological Office definition of a wind gust is the ''mean'' wind speed over a 2 to 3 second sample period (not the ''maximum'' instantaneous wind speed).


* Cumulus 'Average'  can be calculated in 3 different ways:
* Cumulus 'Average'  can be calculated in 3 different ways:
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