Re: bug in the computation of rh2 using wrf_user_getvar

Merci. This is also being forwarded to wrfhelp@ucar.edu

On 4/26/12 3:25 AM, Julien Pergaud wrote:
> Hello,
>
> In fact, after checking, we have found the problem in 5.1.1 version. The
> versions 5.2.1 and 6.0.0 seem correct.
> This bug is not indicated in your known bugs page on the ncl website.
>
> Regards
>
> Julien & Delphine
>
> NUMTECH <http://www.numtech.fr/> Julien PERGAUD
> Chef de Projet / Pôle Météo
> 6, allée Alan Turing - BP 30242 - Parc Technologique de la Pardieu
> 63175 AUBIERE Cedex - FRANCE
> Tél: 33 (0)4 73.28.75.95 - Fax: 33 (0)4.73.28.75.99
> Web: http://www.numtech.fr <http://www.numtech.fr/>
>
>
> Le 26/04/2012 09:50, Julien Pergaud a écrit :
>> Hello
>>
>> We have found a bug in the computation of rh2 in wrf_user_getvar in
>> the file WRFUserARW.ncl.
>> T2 is used as input of the rh2 computation. T2 is the temperature at
>> 2m in Kelvin from WRF-ARW. In the code, we have found that the call of
>> wrf_tk to transform a potential temperature in temperature is done
>> althought it must'nt.
>> When you check the computation of rh using T (the potential
>> temperature this time), the call of wrf_tk is needed.
>> This bug is present in the ncl version 5.2.1 and 6.0.0.
>> If you need more informations, let us know.
>>
>> Regards
>>
>> Julien & Delphine
>>
>> NUMTECH <http://www.numtech.fr/> Julien PERGAUD
>> Chef de Projet / Pôle Météo
>> 6, allée Alan Turing - BP 30242 - Parc Technologique de la Pardieu
>> 63175 AUBIERE Cedex - FRANCE
>> Tél: 33 (0)4 73.28.75.95 - Fax: 33 (0)4.73.28.75.99
>> Web: http://www.numtech.fr <http://www.numtech.fr/>
>>
>>
>
>
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Received on Thu Apr 26 06:21:48 2012