Kp values in SD Config

[fabrizio_sassi@nrl_navy_mil]

I am looking at a regular waccm simulation in SD configuration we did at NRL, and the value of Kp that appears in the h0 files is 18… is that okay? I thought Kp is up to 9. What’s the model doing with such a high value of Kp?

 

[marsh]

I expect you are using an older version of the WACCM model. There was a typo in control/cam_history.F90:ierr=pio_put_var (tape(t)%File, tape(t)%kpid,   (/start/), (/count1/),(/ kp /) )ierr=pio_put_var (tape(t)%File, tape(t)%kpid,   (/start/), (/count1/),(/ ap /) )As you can see Ap is overwriting Kp and Ap is not set. So your model was likely run with an Ap of 18 (Kp of 3+), a far more reasonable value! The good news is that this is simply a diagnositic output error. The simulation itself should be fine. You might want to verify that (a) your version of the source has this error, and (b) the file that solar_parms_file points to in your atm namelist has the right Kp and Ap.