[Wrf-users] running Wrf with spectral nudging

afwande juliet afwandej965 at gmail.com
Wed Nov 11 11:29:11 MST 2015


Hi users
I have made some observations; I am doing 3 test experiments

*Exp1* =running wrf standard options
*Exp2*=running wrf with

kfeta_trigger = 1,

cu_rad_feedback = .true., turned on

*Exp3*= running wrf with spectral nudging besides other standard options

*Observations*

the test run is for 5days and model ran until almost last hour and aborts
for the 3cases. The error message is Error:

... May have run out of valid boundary conditions in file wrfbdy_d01

*Remedy*

I commented

&time_control

!run_days = 0,

!run_hours = 96,

!run_minutes = 0,

!run_seconds = 0,

the model ran successfully for all the 3cases.

*The problem*

*the problem* is that for nudging cases, the last time in wrfoutput is
2000.03.04.23 instead of 2000.03.05.00. The other two cases went up
completion. Secondly restart files are being written at  irregular
interval 14,10,10,9,10,16,10,16hours for all the cases and yet I had set
restart_interval=600 which should be 10hours interval


what could be the problem.? Is it the commenting I did in time control but
how comes other cases goes upto completion, I attach   namelsit.input for
nudging option

This strange!!!!


thanks Afwande
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