FAQ: Difference between revisions

97 bytes added ,  4 September 2013
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→‎My heat index/humidex/wind chill is the same as my temperature: Converted to bullet point easier reading style
m (→‎My heat index/humidex/wind chill is the same as my temperature: Converted to bullet point easier reading style)
 
== My heat index/humidex/wind chill is the same as my temperature ==
*Wind chill only applies when the wind speed is above 4.8 kph '''and the temperature is below 10C.''' (Theby temperature cutoff is an optiondefault in Cumulus, butas it should really always be set)., Heatbut indexthis onlyis appliesan whenoption thethat temperaturecan isbe above 27C andunset) the humiditytemperature is abovebelow 40%10 degrees Celsius.
*Heat index only applies when the temperature is above 27 degrees Celsius '''and''' the humidity is above 40%.
While* Humidex does not have any 'cutoff' values, but at low temperature and/or humidity it will give the same figure as ambient temperature.
 
If heat index or wind chill is not applicable, Cumulus will set them the same as the ambient temperature.
Wind chill only applies when the wind speed is above 4.8 kph and the temperature is below 10C. (The temperature cutoff is an option in Cumulus, but should really always be set). Heat index only applies when the temperature is above 27C and the humidity is above 40%.
 
The rest of the time they are the same as the ambient temperature.
 
While Humidex does not have any 'cutoff' values, at low temperature and/or humidity it will give the same figure as ambient temperature.
 
== My station invented some rain that didn't really occur, and I want to set it to zero (or some other figure) ==
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