netcdf slhis/his_20250409.nc {
  dimensions:
    tracer = 2;
    ocean_time = UNLIMITED;   // (24 currently)
    s_rho = 25;
    s_w = 26;
    boundary = 4;
    eta_rho = 760;
    xi_rho = 760;
    eta_u = 760;
    xi_u = 759;
    eta_v = 759;
    xi_v = 760;
  variables:
    float Akk_bak;
      :long_name = "background vertical mixing coefficient for turbulent energy";
      :units = "meter2 second-1";
      :least_significant_digit = 3; // int

    float Akp_bak;
      :long_name = "background vertical mixing coefficient for length scale";
      :units = "meter2 second-1";
      :least_significant_digit = 3; // int

    float Akt_bak(tracer=2);
      :long_name = "background vertical mixing coefficient for tracers";
      :units = "meter2 second-1";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 2U; // uint

    float Akv_bak;
      :long_name = "background vertical mixing coefficient for momentum";
      :units = "meter2 second-1";
      :least_significant_digit = 3; // int

    double Cs_r(s_rho=25);
      :long_name = "S-coordinate stretching curves at RHO-points";
      :valid_min = -1.0f; // float
      :valid_max = 0.0f; // float
      :field = "Cs_r, scalar";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 25U; // uint

    double Cs_w(s_w=26);
      :long_name = "S-coordinate stretching curves at W-points";
      :valid_min = -1.0f; // float
      :valid_max = 0.0f; // float
      :field = "Cs_w, scalar";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 26U; // uint

    double FSobc_in(boundary=4);
      :long_name = "free-surface inflow, nudging inverse time scale";
      :units = "second-1";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 4U; // uint

    double FSobc_out(boundary=4);
      :long_name = "free-surface outflow, nudging inverse time scale";
      :units = "second-1";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 4U; // uint

    double Falpha;
      :long_name = "Power-law shape barotropic filter parameter";
      :least_significant_digit = 3; // int

    double Fbeta;
      :long_name = "Power-law shape barotropic filter parameter";
      :least_significant_digit = 3; // int

    double Fgamma;
      :long_name = "Power-law shape barotropic filter parameter";
      :least_significant_digit = 3; // int

    int Lm2CLM;
      :long_name = "2D momentum climatology processing switch";
      :flag_values = 0, 1; // int
      :flag_meanings = ".FALSE. .TRUE.";

    int Lm3CLM;
      :long_name = "3D momentum climatology processing switch";
      :flag_values = 0, 1; // int
      :flag_meanings = ".FALSE. .TRUE.";

    int LnudgeM2CLM;
      :long_name = "2D momentum climatology nudging activation switch";
      :flag_values = 0, 1; // int
      :flag_meanings = ".FALSE. .TRUE.";

    int LnudgeM3CLM;
      :long_name = "3D momentum climatology nudging activation switch";
      :flag_values = 0, 1; // int
      :flag_meanings = ".FALSE. .TRUE.";

    int LnudgeTCLM(tracer=2);
      :long_name = "tracer climatology nudging activation switch";
      :flag_values = 0, 1; // int
      :flag_meanings = ".FALSE. .TRUE.";
      :_ChunkSizes = 2U; // uint

    int LsshCLM;
      :long_name = "sea surface height climatology processing switch";
      :flag_values = 0, 1; // int
      :flag_meanings = ".FALSE. .TRUE.";

    int LtracerCLM(tracer=2);
      :long_name = "tracer climatology processing switch";
      :flag_values = 0, 1; // int
      :flag_meanings = ".FALSE. .TRUE.";
      :_ChunkSizes = 2U; // uint

    int LtracerSponge(tracer=2);
      :long_name = "horizontal diffusivity sponge activation switch";
      :flag_values = 0, 1; // int
      :flag_meanings = ".FALSE. .TRUE.";
      :_ChunkSizes = 2U; // uint

    int LtracerSrc(tracer=2);
      :long_name = "tracer point sources and sink activation switch";
      :flag_values = 0, 1; // int
      :flag_meanings = ".FALSE. .TRUE.";
      :_ChunkSizes = 2U; // uint

    int LuvSponge;
      :long_name = "horizontal viscosity sponge activation switch";
      :flag_values = 0, 1; // int
      :flag_meanings = ".FALSE. .TRUE.";

    int LuvSrc;
      :long_name = "momentum point sources and sink activation switch";
      :flag_values = 0, 1; // int
      :flag_meanings = ".FALSE. .TRUE.";

    int LwSrc;
      :long_name = "mass point sources and sink activation switch";
      :flag_values = 0, 1; // int
      :flag_meanings = ".FALSE. .TRUE.";

    double M2nudg;
      :long_name = "2D momentum nudging/relaxation inverse time scale";
      :units = "day-1";
      :least_significant_digit = 3; // int

    double M2obc_in(boundary=4);
      :long_name = "2D momentum inflow, nudging inverse time scale";
      :units = "second-1";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 4U; // uint

    double M2obc_out(boundary=4);
      :long_name = "2D momentum outflow, nudging inverse time scale";
      :units = "second-1";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 4U; // uint

    double M3nudg;
      :long_name = "3D momentum nudging/relaxation inverse time scale";
      :units = "day-1";
      :least_significant_digit = 3; // int

    double M3obc_in(boundary=4);
      :long_name = "3D momentum inflow, nudging inverse time scale";
      :units = "second-1";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 4U; // uint

    double M3obc_out(boundary=4);
      :long_name = "3D momentum outflow, nudging inverse time scale";
      :units = "second-1";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 4U; // uint

    double Tcline;
      :long_name = "S-coordinate surface/bottom layer width";
      :units = "meter";
      :least_significant_digit = 3; // int

    double Tnudg(tracer=2);
      :long_name = "Tracers nudging/relaxation inverse time scale";
      :units = "day-1";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 2U; // uint

    double Tobc_in(boundary=4, tracer=2);
      :long_name = "tracers inflow, nudging inverse time scale";
      :units = "second-1";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 4U, 2U; // uint

    double Tobc_out(boundary=4, tracer=2);
      :long_name = "tracers outflow, nudging inverse time scale";
      :units = "second-1";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 4U, 2U; // uint

    int Vstretching;
      :long_name = "vertical terrain-following stretching function";

    int Vtransform;
      :long_name = "vertical terrain-following transformation equation";

    double Znudg;
      :long_name = "free-surface nudging/relaxation inverse time scale";
      :units = "day-1";
      :least_significant_digit = 3; // int

    float Zob;
      :long_name = "bottom roughness";
      :units = "meter";
      :least_significant_digit = 3; // int

    float Zos;
      :long_name = "surface roughness";
      :units = "meter";
      :least_significant_digit = 3; // int

    double dstart;
      :long_name = "time stamp assigned to model initilization";
      :units = "days since 2023-01-01 00:00:00";
      :calendar = "proleptic_gregorian";
      :least_significant_digit = 3; // int

    double dt;
      :long_name = "size of long time-steps";
      :units = "second";
      :least_significant_digit = 3; // int

    double dtfast;
      :long_name = "size of short time-steps";
      :units = "second";
      :least_significant_digit = 3; // int

    float el;
      :long_name = "domain length in the ETA-direction";
      :units = "meter";
      :least_significant_digit = 3; // int

    float gamma2;
      :long_name = "slipperiness parameter";
      :least_significant_digit = 3; // int

    int grid;
      :cf_role = "grid_topology";
      :topology_dimension = 2; // int
      :node_dimensions = "xi_psi eta_psi";
      :face_dimensions = "xi_rho: xi_psi (padding: both) eta_rho: eta_psi (padding: both)";
      :edge1_dimensions = "xi_u: xi_psi eta_u: eta_psi (padding: both)";
      :edge2_dimensions = "xi_v: xi_psi (padding: both) eta_v: eta_psi";
      :node_coordinates = "lon_psi lat_psi";
      :face_coordinates = "lon_rho lat_rho";
      :edge1_coordinates = "lon_u lat_u";
      :edge2_coordinates = "lon_v lat_v";
      :vertical_dimensions = "s_rho: s_w (padding: none)";

    double hc;
      :long_name = "S-coordinate parameter, critical depth";
      :units = "meter";
      :least_significant_digit = 3; // int

    int nAVG;
      :long_name = "number of time-steps between time-averaged records";

    int nHIS;
      :long_name = "number of time-steps between history records";

    int nRST;
      :long_name = "number of time-steps between restart records";

    int nSTA;
      :long_name = "number of time-steps between stations records";

    int ndefAVG;
      :long_name = "number of time-steps between the creation of average files";

    int ndefHIS;
      :long_name = "number of time-steps between the creation of history files";

    int ndtfast;
      :long_name = "number of short time-steps";

    float nl_tnu2(tracer=2);
      :long_name = "nonlinear model Laplacian mixing coefficient for tracers";
      :units = "meter2 second-1";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 2U; // uint

    float nl_visc2;
      :long_name = "nonlinear model Laplacian mixing coefficient for momentum";
      :units = "meter2 second-1";
      :least_significant_digit = 3; // int

    int ntimes;
      :long_name = "number of long time-steps";

    int ntsAVG;
      :long_name = "starting time-step for accumulation of time-averaged fields";

    double ocean_time(ocean_time=24);
      :long_name = "time since initialization";
      :units = "seconds since 2023-01-01 00:00:00";
      :calendar = "proleptic_gregorian";
      :field = "time, scalar, series";
      :least_significant_digit = 8; // int
      :_ChunkSizes = 512U; // uint

    float rdrg;
      :long_name = "linear drag coefficient";
      :units = "meter second-1";
      :least_significant_digit = 3; // int

    float rdrg2;
      :long_name = "quadratic drag coefficient";
      :least_significant_digit = 3; // int

    float rho0;
      :long_name = "mean density used in Boussinesq approximation";
      :units = "kilogram meter-3";
      :least_significant_digit = 3; // int

    double s_rho(s_rho=25);
      :long_name = "S-coordinate at RHO-points";
      :valid_min = -1.0f; // float
      :valid_max = 0.0f; // float
      :positive = "up";
      :standard_name = "ocean_s_coordinate_g2";
      :formula_terms = "s: s_rho C: Cs_r eta: zeta depth: h depth_c: hc";
      :field = "s_rho, scalar";
      :_ChunkSizes = 25U; // uint

    double s_w(s_w=26);
      :long_name = "S-coordinate at W-points";
      :valid_min = -1.0f; // float
      :valid_max = 0.0f; // float
      :positive = "up";
      :standard_name = "ocean_s_coordinate_g2";
      :formula_terms = "s: s_w C: Cs_w eta: zeta depth: h depth_c: hc";
      :field = "s_w, scalar";
      :_ChunkSizes = 26U; // uint

    float salt(ocean_time=24, s_rho=25, eta_rho=760, xi_rho=760);
      :long_name = "salinity";
      :time = "ocean_time";
      :grid = "grid";
      :location = "face";
      :coordinates = "lon_rho lat_rho s_rho ocean_time";
      :field = "salinity, scalar, series";
      :_FillValue = 1.0E37f; // float
      :least_significant_digit = 3; // int
      :_ChunkSizes = 1U, 25U, 760U, 760U; // uint

    int spherical;
      :long_name = "grid type logical switch";
      :flag_values = 0, 1; // int
      :flag_meanings = "Cartesian spherical";

    float temp(ocean_time=24, s_rho=25, eta_rho=760, xi_rho=760);
      :long_name = "potential temperature";
      :units = "Celsius";
      :time = "ocean_time";
      :grid = "grid";
      :location = "face";
      :coordinates = "lon_rho lat_rho s_rho ocean_time";
      :field = "temperature, scalar, series";
      :_FillValue = 1.0E37f; // float
      :least_significant_digit = 3; // int
      :_ChunkSizes = 1U, 25U, 760U, 760U; // uint

    double theta_b;
      :long_name = "S-coordinate bottom control parameter";
      :least_significant_digit = 3; // int

    double theta_s;
      :long_name = "S-coordinate surface control parameter";
      :least_significant_digit = 3; // int

    float u(ocean_time=24, s_rho=25, eta_u=760, xi_u=759);
      :long_name = "u-momentum component";
      :units = "meter second-1";
      :time = "ocean_time";
      :grid = "grid";
      :location = "edge1";
      :coordinates = "lon_u lat_u s_rho ocean_time";
      :field = "u-velocity, scalar, series";
      :_FillValue = 1.0E37f; // float
      :least_significant_digit = 3; // int
      :_ChunkSizes = 1U, 25U, 760U, 759U; // uint

    float ubar(ocean_time=24, eta_u=760, xi_u=759);
      :long_name = "vertically integrated u-momentum component";
      :units = "meter second-1";
      :time = "ocean_time";
      :grid = "grid";
      :location = "edge1";
      :coordinates = "lon_u lat_u ocean_time";
      :field = "ubar-velocity, scalar, series";
      :_FillValue = 1.0E37f; // float
      :least_significant_digit = 3; // int
      :_ChunkSizes = 6U, 399U, 399U; // uint

    float v(ocean_time=24, s_rho=25, eta_v=759, xi_v=760);
      :long_name = "v-momentum component";
      :units = "meter second-1";
      :time = "ocean_time";
      :grid = "grid";
      :location = "edge2";
      :coordinates = "lon_v lat_v s_rho ocean_time";
      :field = "v-velocity, scalar, series";
      :_FillValue = 1.0E37f; // float
      :least_significant_digit = 3; // int
      :_ChunkSizes = 1U, 25U, 759U, 760U; // uint

    float vbar(ocean_time=24, eta_v=759, xi_v=760);
      :long_name = "vertically integrated v-momentum component";
      :units = "meter second-1";
      :time = "ocean_time";
      :grid = "grid";
      :location = "edge2";
      :coordinates = "lon_v lat_v ocean_time";
      :field = "vbar-velocity, scalar, series";
      :_FillValue = 1.0E37f; // float
      :least_significant_digit = 3; // int
      :_ChunkSizes = 6U, 399U, 399U; // uint

    float xl;
      :long_name = "domain length in the XI-direction";
      :units = "meter";
      :least_significant_digit = 3; // int

    float zeta(ocean_time=24, eta_rho=760, xi_rho=760);
      :long_name = "free-surface";
      :units = "meter";
      :time = "ocean_time";
      :grid = "grid";
      :location = "face";
      :coordinates = "lon_rho lat_rho ocean_time";
      :field = "free-surface, scalar, series";
      :least_significant_digit = 3; // int
      :_ChunkSizes = 6U, 399U, 399U; // uint

    double angle(eta_rho=760, xi_rho=760);
      :long_names = "angle between XI-axis and EAST";
      :units = "radians";

    double h(eta_rho=760, xi_rho=760);
      :long_names = "bathymetry at RHO-points";
      :units = "meter";

    double lat_rho(eta_rho=760, xi_rho=760);
      :long_names = "latitude of RHO-points";
      :units = "degree_north";

    double lat_u(eta_u=760, xi_u=759);
      :long_names = "latitude of U-points";
      :units = "degree_north";

    double lat_v(eta_v=759, xi_v=760);
      :long_names = "latitude of V-points";
      :units = "degree_north";

    double lon_rho(eta_rho=760, xi_rho=760);
      :long_names = "longitude of RHO-points";
      :units = "degree_east";

    double lon_u(eta_u=760, xi_u=759);
      :long_names = "longitude of U-points";
      :units = "degree_east";

    double lon_v(eta_v=759, xi_v=760);
      :long_names = "longitude of V-points";
      :units = "degree_east";

    double mask_rho(eta_rho=760, xi_rho=760);
      :long_names = "mask on RHO-points";
      :units = ;

    double mask_u(eta_u=760, xi_u=759);
      :long_names = "mask on U-points";
      :units = ;

    double mask_v(eta_v=759, xi_v=760);
      :long_names = "mask on V-points";
      :units = ;

  // global attributes:
  :file = "./outputs/his.nc";
  :format = "netCDF-3 64bit offset file";
  :Conventions = "CF-1.4, SGRID-0.3";
  :type = "ROMS/TOMS history file";
  :title = "Sri Lanka ROMS ~2km";
  :var_info = "varinfo.dat";
  :rst_file = "./outputs/rst.nc";
  :his_file = "./outputs/his.nc";
  :avg_file = "./outputs/avg.nc";
  :sta_file = "./outputs/sta.nc";
  :grd_file = "grid.nc";
  :ini_file = "ini.nc";
  :tide_file = "tide.nc";
  :frc_file_01 = "forcing.nc";
  :bry_file_01 = "bry.nc";
  :clm_file_01 = "clim.nc";
  :nud_file = "nud.nc";
  :script_file = "ocean.in";
  :spos_file = "stations.in";
  :NLM_TADV = "\nADVECTION:   HORIZONTAL   VERTICAL     \ntemp:        HSIMT        HSIMT        \nsalt:        HSIMT        HSIMT";
  :NLM_LBC = "\nEDGE:  WEST   SOUTH  EAST   NORTH  \nzeta:  Cha    Cha    Cha    Cha    \nubar:  Shc    Shc    Shc    Shc    \nvbar:  Shc    Shc    Shc    Shc    \nu:     RadNud RadNud RadNud RadNud \nv:     RadNud RadNud RadNud RadNud \ntemp:  RadNud RadNud RadNud RadNud \nsalt:  RadNud RadNud RadNud RadNud \ntke:   Gra    Gra    Gra    Gra";
  :svn_url = ;
  :svn_rev = ;
  :code_dir = "/group/oi008/ijanekovic/software/GIT/ROMS";
  :header_dir = "/group/oi008/ijanekovic/software/SRILANKA/ROMS";
  :header_file = "srilanka.h";
  :os = "Linux";
  :cpu = "x86_64";
  :compiler_system = "gfortran";
  :compiler_command = "/uwahpc/centos8/devel/gcc/9.4.0/openmpi/4.0.5/bin/mpif90";
  :compiler_flags = "-frepack-arrays -O3 -ffast-math -";
  :tiling = "007x008";
  :ana_file = "ROMS/Functionals/ana_btflux.h";
  :CPP_options = "SRILANKA, ADD_FSOBC, ADD_M2OBC, ANA_BSFLUX, ANA_BTFLUX, ASSUMED_SHAPE, ATM_PRESS, AVERAGES, BOUNDARY_ALLREDUCE, BULK_FLUXES, COLLECT_ALLGATHER, COOL_SKIN, CURVGRID, DIFF_GRID, DJ_GRADPS, EMINUSP, LIMIT_BSTRESS, KANTHA_CLAYSON, LONGWAVE_OUT, MASKING, MIX_GEO_TS, MIX_S_UV, MPI, MY25_MIXING, NONLINEAR, NONLIN_EOS, NO_WRITE_GRID, N2S2_HORAVG, POWER_LAW, PROFILE, K_GSCHEME, RADIATION_2D, REDUCE_ALLREDUCE, RI_SPLINES, RST_SINGLE, SALINITY, SINGLE_PRECISION, SOLAR_SOURCE, SOLVE3D, SPLINES_VDIFF, SPLINES_VVISC, SSH_TIDES, STATIONS, TS_DIF2, UV_ADV, UV_COR, UV_U3HADVECTION, UV_C4VADVECTION, UV_QDRAG, UV_TIDES, UV_VIS2, VAR_RHO_2D, VISC_GRID, WET_DRY";
  :NCO = "netCDF Operators version 5.1.0 (Homepage = http://nco.sf.net, Code = http://github.com/nco/nco)";
  :history = "Thu Apr 10 17:08:55 2025: ncks -v h,lon_rho,lat_rho,lon_u,lat_u,lon_v,lat_v,mask_rho,mask_u,mask_v,angle ./grid.nc -A -o his_20250409.nc\nThu Apr 10 17:04:42 2025: ncks -4 -L 7 -O ./archive/his_20250409.nc -o his_20250409.nc\nWed Apr  9 17:18:14 2025: ncks --ppc default=.3 --ppc ocean_time=.8 -x -v wetdry_mask_rho,wetdry_mask_u,wetdry_mask_v,wetdry_mask_psi -d ocean_time,24,47,1 /group/oi008/ijanekovic/software/SRILANKA/ROMS/outputs/his.nc -O /group/oi008/ijanekovic/software/SRILANKA/ROMS/archive/his_20250409.nc\nROMS/TOMS, Version 4.0, Wednesday - April 9, 2025 -  4:29:15 PM";
  :history_of_appended_files = "Thu Apr 10 17:08:55 2025: Appended file ./grid.nc had no \"history\" attribute\n";
}