[Wrf-users] physics problem

afwande juliet afwandej965 at gmail.com
Wed Nov 11 11:31:04 MST 2015


Hi Richard
Thanks very much the problem was solved though other issues arose which are
not related to this.

thanks

On Tue, Nov 10, 2015 at 6:18 PM, afwande juliet <afwandej965 at gmail.com>
wrote:

> yes Richard that's the problem,
> I even found another error when I did 5days test run(2000-03-01-06
> -2000-03-05-00) with commented
>
> *!kfeta_trigger = 2, *
>
> *!cu_rad_feedback (max dom) = .true., .true., *
>
> *WRF run  but at the last time  i.e  *2000-03-05-00, the error was
>
> no input data for
>
> wrffdda
>
>
> I don't know about this since I had set spectral nudging time to be done
> throughout integration time. Namelist is below.
>
>
>
> But thanks I will check , the server is currently under maintenance;
>
>
>
> On Tue, Nov 10, 2015 at 6:04 PM, Richard Newton <
> richard.newton-6 at postgrad.manchester.ac.uk> wrote:
>
>> Apologies, I believe I misunderstood.
>>
>>
>>
>> I think I understand now. Correct me if I’m wrong… if you run the
>> namelist with:
>>
>>
>>
>> &physics
>>
>> mp_physics = 6,
>>
>> ra_lw_physics = 4,
>>
>> ra_sw_physics = 1,
>>
>> radt = 30,
>>
>> sf_sfclay_physics = 1,
>>
>> sf_surface_physics = 2,
>>
>> bl_pbl_physics = 1,
>>
>> bldt = 0,
>>
>> cu_physics = 1,
>>
>> cudt = 5,
>>
>> *! kfeta_trigger = 2, *
>>
>> *!cu_rad_feedback (max dom) = .true., .true., *
>>
>> isfflx = 1,
>>
>> sst_update = 1,
>>
>> tmn_update = 1,
>>
>> sst_skin = 1,
>>
>> bucket_mm = 100.0,
>>
>> bucket_J = 1.e9,
>>
>> ifsnow = 1,
>>
>> icloud = 1,
>>
>> surface_input_source = 1,
>>
>> num_soil_layers = 4,
>>
>> sf_urban_physics = 0,
>>
>> /
>>
>>
>>
>> then WRF will run.
>>
>>
>>
>> But when you uncomment kfeta_trigger and cu_rad_feedback as below:
>>
>> &physics
>>
>> mp_physics = 6,
>>
>> ra_lw_physics = 4,
>>
>> ra_sw_physics = 1,
>>
>> radt = 30,
>>
>> sf_sfclay_physics = 1,
>>
>> sf_surface_physics = 2,
>>
>> bl_pbl_physics = 1,
>>
>> bldt = 0,
>>
>> cu_physics = 1,
>>
>> cudt = 5,
>>
>> *kfeta_trigger = 2, *
>>
>> *cu_rad_feedback (max dom) = .true., .true., *
>>
>> isfflx = 1,
>>
>> sst_update = 1,
>>
>> tmn_update = 1,
>>
>> sst_skin = 1,
>>
>> bucket_mm = 100.0,
>>
>> bucket_J = 1.e9,
>>
>> ifsnow = 1,
>>
>> icloud = 1,
>>
>> surface_input_source = 1,
>>
>> num_soil_layers = 4,
>>
>> sf_urban_physics = 0,
>>
>> /
>>
>>
>>
>> then WRF throws an error.
>>
>>
>>
>> In this case, I believe your error is that the name of the entry is
>> wrong: it should be *cu_rad_feedback = .true., .true.,* rather than *cu_rad_feedback
>> (max dom) = .true., .true., *. Check also that you’re running WRF 3.6 or
>> later.
>>
>>
>>
>> The (max dom) indicator in the readme tells you that you should put a
>> value for each of the domains in the model, unlike the other physics
>> options where you only need one single value. The (max dom) does not appear
>> in the actual name. Another example is *start_year (max dom)*, which
>> again tells you that you should put a start year for each domain, but the
>> actual entry should be (for 3 domains) *start_year = 2014, 2014, 2014,*
>> and not *start_year (max dom) = 2014, 2014, 2014*.
>>
>>
>>
>> Hope this helps,
>>
>> Richard
>>
>>
>>
>> *Richard Newton*
>>
>> PhD Student
>>
>> School of Earth, Atmospheric and Environmental Sciences
>>
>> University of Manchester
>>
>>
>>
>>
>>
>>
>>
>> *From:* afwande juliet [mailto:afwandej965 at gmail.com]
>> *Sent:* 11 November 2015 01:22
>> *To:* Richard Newton
>> *Cc:* wrf-users at ucar.edu
>> *Subject:* Re: [Wrf-users] physics problem
>>
>>
>>
>> hi Richard thanks for your answer
>>
>> are u saying I write like this
>>
>>
>>
>> &physics
>>
>> mp_physics = 6,
>>
>> ra_lw_physics = 4,
>>
>> ra_sw_physics = 1,
>>
>> radt = 30,
>>
>> sf_sfclay_physics = 1,
>>
>> sf_surface_physics = 2,
>>
>> bl_pbl_physics = 1,
>>
>> bldt = 0,
>>
>> cu_physics = 1,
>>
>> cudt = 5,
>>
>> isfflx = 1,
>>
>> sst_update = 1,
>>
>> tmn_update = 1,
>>
>> sst_skin = 1,
>>
>> bucket_mm = 100.0,
>>
>> bucket_J = 1.e9,
>>
>> ifsnow = 1,
>>
>> icloud = 1,
>>
>> surface_input_source = 1,
>>
>> num_soil_layers = 4,
>>
>> sf_urban_physics = 0,
>>
>> /
>>
>> *kfeta_trigger = 2, *
>>
>> *cu_rad_feedback (max dom) = .true., .true., *
>>
>> Actaully the problem is that when I comment
>>
>> !kfeta_trigger = 2,
>>
>> !cu_rad_feedback (max dom) = .true., .true.,
>>
>> wrf will run but when I introduce the two scheme option, the model
>> generates error in reading name list physics. I am thinking the
>> incompatibility but I am not sure. did you say I had same problem? how did
>> you solve it
>>
>> thanks
>>
>>
>>
>> On Tue, Nov 10, 2015 at 8:55 AM, Richard Newton <
>> richard.newton-6 at postgrad.manchester.ac.uk> wrote:
>>
>> Hi Afwande,
>>
>>
>> The problem may be with the commented entries in the physics section of
>> the namelist. Try instead of commenting out the entries with a “!”
>> exclamation mark, move the lines you want commenting outside the “&physics
>> … /” – the namelist will ignore anything outside the “& … /” construct.
>> Although the “!” exclamation mark commenting should work, as that’s the
>> correct Fortran method, I think I’ve had a similar problem before.
>>
>>
>>
>> Regards,
>>
>> Richard
>>
>>
>>
>> *Richard Newton*
>>
>> PhD Student
>>
>> School of Earth, Atmospheric and Environmental Sciences
>>
>> University of Manchester
>>
>>
>>
>>
>>
>>
>>
>> *From:* afwande juliet [mailto:afwandej965 at gmail.com]
>> *Sent:* 10 November 2015 01:56
>> *To:* wrf users group; wrfhelp
>> *Subject:* [Wrf-users] physics problem
>>
>>
>>
>> Hi users real.exe cant be executed due to problem in reading
>> namelist.input physics options. The rsl* generates the error below . I have
>> checked through but I cant see whats wrong with phyics options in
>> namelists. Initially the model run well but problem when I introduced the
>> nudging options and the feedback options for radiation and cloud .
>> Apparently the error seems to be in physics options.  can someone help me
>> figure this out. my namelist attached.
>>
>> I am sorry this problem has bothered for a while
>>
>>
>>
>>  file cant taskid: 0 hostname: nid00056
>>    ------ ERROR while reading namelist physics ------
>>  -------------- FATAL CALLED ---------------
>>  FATAL CALLED FROM FILE:  <stdin>  LINE:    9886
>>  ERRORS while reading one or more namelists from namelist.input.
>>  -------------------------------------------
>> aborting job:
>> application called MPI_Abort(MPI_COMM_WORLD, 1) - process 0
>> ~
>>
>>
>>
>>
>
>
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