Julien,
That was indeed a bug in the earlier versions of NCL, but has been fixed for a relatively long time.
There are a lot of new features for the WRF-NCL interface in the newer versions and well worth it to change over to a newer version.
wrfhelp
------------------------------------------------------------------------------
http://www.mmm.ucar.edu/wrf/users/supports/wrfhelp.html
On Apr 26, 2012, at 6:21 AM, Dennis Shea wrote:
> 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 Fri May 4 14:48:27 2012
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