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20040602: Gempak - Linux - Source Code/Relative Humidity routines

Mark,

all source code routines are in the source code tar file.
All subroutines that start with 2 letters (eg "PD_") are
found in the $GEMPAK/source/gemlib/xx/ directories
(eg pd_pwat would be found in $GEMPAK/source/gemlib/pd/pdpwat.f).
Constants and other parameters included from the source
are in the $GEMPAK/include direcory files, such as
GEMPRM.PRM.

Steve CHiswell
Unidata User Support

>From: "Mark Lilly" <address@hidden>
>Organization: UCAR/Unidata
>Keywords: 200406030049.i530n1mG010115

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>Institution: Sonoma Technology
>Package Version: 5.7.2
>Operating System: Linux
>Hardware Information: .7 GHZ AMD Athlon Processor/1024 MB memory
>Inquiry: I have downloaded the entire Gempak tar file and was interested in fi
> nding out how some of the variables were computed (ie. RH, PWAT...  etc).  I 
> found the fortran source code for the RH calculation, however, it seems to be
>  calling subroutines which I cannot find in the .tar file.  The fortran code 
> is attached to this email.  Is there anyway to get these subroutines or are t
> hey in the .tar file and I am just unable to locate them.  I think the subrou
> tine is PD_RELH.  I know it uses T and DEWPT to calculate the RH, but I was i
> nterested in the constants it uses and what happens near the surface layer wi
> th the calculation.  Thanks for your time, I really appreciate the help.
>
>Mark Lilly
>
>
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