Initializing AMReX (26.05-41-gba3cb0c68650)...
MPI initialized with 4 MPI processes
MPI initialized with thread support level 0
AMReX (26.05-41-gba3cb0c68650) initialized
Successfully read inputs file ... 

ERF git hash: 9c8926bb-dirty
AMReX git hash: 26.05-41-gba3cb0c686

Problem name (from inputs file) is:  "Density Current" 
Setting upwind_real_bcs to true because we are doing anelastic at level 0
Using constant kinematic diffusion coefficients
  momentum : 75 m^2/s
  temperature : 75 m^2/s
  scalar : 0 m^2/s
Thermal stratification based on gradient of potential temperature
Maximum simulation length based on stop_time: 900 s (elapsed) 
 Adding stop time 900 to start_time 0
Null land surface model!
SOLVER CHOICE: 
At level 0 : 
   anelastic with no substepping
   and fixed density
vert_implicit_fac           : 0 0 0
use_coriolis                : 0
use_gravity                 : 1
Moisture Model: None
Terrain Type: None
Buildings Type: None
   Mesh Type: ConstantDz
ABL Driver Type: 
    None
Radiation Model: None
Gradp_type                  : 0
Buoyancy_type at level 0 : 3
Advection Choices: 
    dycore_horiz_adv_type   : Upwind_3rd
    dycore_vert_adv_type    : Upwind_3rd
   dryscal_horiz_adv_type   : Upwind_3rd
   dryscal_vert_adv_type    : Upwind_3rd
 moistscal_horiz_adv_type   : WENO3
 moistscal_vert_adv_type    : WENO3
Diffusion choices: 
    rho0_trans              : 1
    alpha_T                 : 75
    alpha_C                 : 0
    dynamic_viscosity       : 75
Sponge choices: 
Rayleigh damping            : None
w damping                   : 0 (coeff = -1 * dz/dt**2)
Turbulence Settings at level 0
    Using DNS model at level 0
Creating new distribution map on level: 0
BA FROM SCRATCH AT LEVEL 0 (BoxArray maxbox(4)
       m_ref->m_hash_sig(0)
       ((0,0,0) (63,0,63) (0,0,0)) ((64,0,0) (127,0,63) (0,0,0)) ((128,0,0) (191,0,63) (0,0,0)) ((192,0,0) (255,0,63) (0,0,0)) )

max of zphys_nd 6400
max of zlevels  6400
Problem name "density current" is not known, no velocity perturbations added. 
Projecting initial velocity field at level 0
Based on cfl of one 
Compressible dt at level 0 would be:  0.2882620096
Anelastic dt at level 0 would be undefined 
Fixed dt at level 0       is:  1
smallest grid spacing at level 0 = 100
dt at level 0 = 1
Viscous CFL is 0.003750000149
Writing native 3D plotfile DensityCurrent_anelastic_plt00000
3DPlotfile write time = 0.003694428 seconds.

Coarse STEP 1 starts ...
Based on cfl of one 
Compressible dt at level 0 would be:  0.2882620096
Anelastic dt at level 0 would be undefined 
Fixed dt at level 0       is:  1
[Level 0 step 1] ADVANCE from elapsed time = 0 to 1 with dt = 1
Making slow rhs at time 0 for fast variables advancing from 0 to 1
 No-substepping time integration at level 0 to 1 with dt = 1