Melchior FRANZ wrote:
> * Martin Spott -- Thursday 19 August 2004 13:16:

> > Yes, the dew point represents the temperature, when humidity
> > precipitates. In wet adiabatic conditions, which are likely to
> > predominate, temperature decreases 1 degree Celsius per 100 m altitude.
> > Now you can calculate the height above GND of your cloud base if you
> > know elevation and the spread (temperature at GND - dewpoint).

> OK. I read your sentence as: "You could calculate the cloud base from
> temperature and dewpoint. And you could also calculate the airport
> elevation from them" ...

My sentence has a different meaning: If you know elevation and spread
(spread: temperature at airport elevation minus dewpoint), then you can
calculate the cloud base,

 Unix _IS_ user friendly - it's just selective about who its friends are !

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