[Wrf-users] Radiation imbalance: CLM stopping in long run

[Gabriel Abrahão]

Hi everyone,

I ran into the same problem raised by supanthapaul in this list years ago.
With the CLM surface module, the model crashes after 5 days claiming what
looks like a radiation budget error:

 BalanceCheck: solar radiation balance error nstep =      3375 point =
2 imbalance =   -0.101506 W/m2
 fsa          =    0.0000000000000000
 fsr          =    101.40470125865937
 forc_solad(1)=    27.332662582397461
 forc_solad(2)=    32.628475189208984
 forc_solai(1)=    28.982416152954102
 forc_solai(2)=    12.562653541564941
 forc_tot     =    101.50620746612549
 clm model is stopping

Do anyone have an idea of what could have caused this and/or how to fix it?
Physics are as follows.

Thanks a lot in advance,
Gabriel

 &physics
 physics_suite                       = 'CONUS'
 radt                                = 30,    30,    30,
 bldt                                = 0,     0,     0,
 cudt                                = 5,     5,     5,
 cu_physics                          = 1,
 icloud                              = 1,
 sst_update                          = 1,
 tmn_update                          = 1,
 sst_skin                            = 1,
 bucket_mm                           = 100.0,
 bucket_J                            = 1.e9,
 num_soil_layers                     = 4,
 num_land_cat                        = 21,
 sf_urban_physics                    = 0,     0,     0,
 sf_surface_physics                  = 5,
 sf_sfclay_physics                   = 1,
 bl_pbl_physics                      = 1,
 ra_sw_physics                       = 3,
 ra_lw_physics                       = 3,

 /


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