Re: calculate rel hum given q??

The original fortran function documentation says that mixing ratio
is the correct input.

Regards
D

On 02/19/2010 01:04 PM, Maurice.McHugh@noaa.gov wrote:
> Good afternoon everyone!
>
> I'd like to use the relhum function (http://www.ncl.ucar.edu/Document/Functions/Built-in/relhum.shtml) to calculate relative humidity (rh) given temperature (t), specific humidity (q) and pressure (p).
>
> The examples shown all use q (specific humidity), rather than the mixing ratio (MR) as is stated at the top of the examples page.
>
> While I can easily convert q to MR (MR = q/(1-q) ), I'd like some clarification as to whether q or MR are required to produce the correct RH.
>
> Thank you,
>
> Maurice
>
>
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Dennis J. Shea                  tel: 303-497-1361    |
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