Description of namelist variables
---------------------------------

 &namelist_01
 time_step_max                       = 1,     number of time steps to run
 max_dom                             = 1,     number of domains (leave as is)
 dyn_opt                             = 2,     dynamics option:
                                                 1 = leapfrog, not  yet implemented
                                                 2 = Runge-Kutta 2nd order
                                                 3 = Runge-Kutta 3rd order
 diff_opt                            = 1,     dynamics option:
                                                 1 = old diffusion scheme
                                                 2 = new diffusion scheme
                                                     (stress form)
 km_opt                              = 1,     eddy coefficient option
                                                 1 = constant (from khdiv kvdif)
                                                 2 = 1.5 order TKE closure
                                                 3 = Smagorinsky first order closure
 damp_opt                            = 1,     upper level damping flag
                                                 0 = without damping
                                                 1 = with    damping
 ISFFLX                              = 1,     heat and moisture fluxes from the surface
                                                 1 = with fluxes from the surface
                                                 0 = no flux from the surface
 IFSNOW                              = 0,     snow-cover effects
                                                 1 = with snow-cover effect
                                                 0 = without snow-cover effect
 ICLOUD                              = 1,     cloud effect to the optical depth in radiation
                                                 1 = with cloud effect
                                                 0 = without cloud effect
 num_soil_layers                     = 5,     number of soil layers in land surface model
 spec_bdy_width                      = 5/     nummber of rows for specified boundary value nudging

 &namelist_02
 id                                  = 1,    domain identifier (leave as is)
 level                               = 1,    domain level (leave as is)
 s_we                                = 1,    start index in x (west-east) direction
 e_we                                = 32,   end index in x (west-east) direction
 s_sn                                = 1,    start index in y (south-north) direction
 e_sn                                = 32,   end index in y (south-north) direction
 s_vert                              = 1,    start index in z (vertical) direction
 e_vert                              = 31,   end index in z (vertical) direction
 time_step_count_start               = 0,    start time-step (leave as is)
 time_step_count_end                 = 10,   end time-step (this is inactive)
 time_step_count_output              = 10,   time-steps between outputs
 time_step_sound                     = 10,   number of sound steps per time-step
 mother_id                           = 0,    mother domain id (this is inactive)
 i_mother_start                      = 1,    start x position in mother domain (inactive)
 j_mother_start                      = 1,    start y position in mother domain (inactive)
 i_mother_end                        = 1,    end x position in mother domain (inactive)
 j_mother_end                        = 1,    end y position in mother domain (inactive)
 mother_grid_ratio                   = 1,    nest refinement ratio relative to mother (inactive)
 mother_time_step_ratio              = 1,    nest time-step ratio relative to mother (inactive)
 moad_grid_ratio                     = 1,    nest refinement ratio relative to outermost grid (inactive)
 moad_time_step_ratio                = 1/    nest time-step ratio relative to outermost grid (inactive)

 &namelist_03
 dx                                  = 200,  grid length in x direction
 dy                                  = 200,  grid length in y direction
 dt                                  = 2.,   time-step for advection
 ztop                                = 20000., the height of the model top
 zdamp                               = 5000.,  damping depth from model top
 dampcoef                            = 0.2,  damping coefficient (dampcoef <= 0.25)
 smdiv                               = 0,    divergence damping (0.1 is typical)
 epssm                               = .1,   time off-centering for vertical sound waves
 khdif                               = 0,    horizontal diffusion constant (m^2/s)
 kvdif                               = 0,    vertical diffusion constant (m^2/s)
 radt                                = 0,    minutes between radiation physics calls
 bldt                                = 0,    minutes between boundary-layer physics calls
 cudt                                = 0/    minutes between cumulus physics calls

 &namelist_04
 periodic_x                          = .false.,  periodic boundary conditions in x direction
 symmetric_xs                        = .false.,  symmetric boundary conditions at x start (west)
 symmetric_xe                        = .false.,  symmetric boundary conditions at x end (east)
 open_xs                             = .false.,  open boundary conditions at x start (west)
 open_xe                             = .false.,  open boundary conditions at x end (east)
 periodic_y                          = .false.,  periodic boundary conditions in y direction
 symmetric_ys                        = .false.,  symmetric boundary conditions at y start (south)
 symmetric_ye                        = .false.,  symmetric boundary conditions at y end (north)
 open_ys                             = .false.,  open boundary conditions at y start (south)
 open_ye                             = .false.,  open boundary conditions at y end (north)
 nested                              = .false.,  nested boundary conditions (inactive)
 specified                           = .false.,  specified boundary conditions (inactive)
 top_radiation                       = .false.,  upper radiative boundary conditions (inactive)
 chem_opt                            = 0,        chemistry option 

 mp_physics                          microphysics option
                                     = 0, no microphysics
                                     = 1, Kessler scheme
                                     = 2, Lin et al. scheme
                                     = 3, NCEP CLOUD3
                                     = 4, NCEP CLOUD5

 ra_lw_physics                       longwave radiation option
                                     = 0, no longwave radiation
                                     = 1, rrtm scheme

 ra_sw_physics                       shortwave radiation option
                                     = 0, no shortwave radiation
                                     = 1, Dudhia scheme
                                     = 2, Goddard short wave

 bl_sfclay_physics                   surface-layer option
                                     = 0, no surface-layer
                                     = 1, Monin-Obukhov scheme

 bl_surface_physics                  land-surface option
                                     = 0, no land-surface
                                     = 1, thermal diffusion scheme

 bl_pbl_physics                      boundary-layer option
                                     = 0, no boundary-layer 
                                     = 1, mrf scheme

 cu_physics                          cumulus option
                                     = 0, no cumulus
                                     = 1, Kain-Fritsch scheme
                   		     = 2, Betts-Miller-Janjic scheme

 io_form                             = 0/        io format (0=none,1=current working format)


