*** Results log of t_1dvar_COSMIC_04comp_refrac (1DVAR COSMIC; comp factors) *** ./../tools/ropp_1dvar_refrac -y ../data/IT-1DVAR-04_y.nc -b ../data/IT-1DVAR-04_b.nc --bg-corr ../data/IT-1DVAR-04_c.nc --obs-corr ../data/IT-1DVAR-04_o.nc -c ../config/metoffice_refrac_1dvar.cf -o IT-1DVAR-04comp_refrac.1.nc -comp -d --------------------------------------------------------------------- ROPP Refractivity 1D-Var --------------------------------------------------------------------- INFO (from ropp_1dvar_refrac): Reading configuration file ../config/metoffice_refrac_1dvar.cf... INFO (from ropp_1dvar_refrac): Reading observation data for profile 1 from the file ../data/IT-1DVAR-04_y.nc. WARNING (from ropp_io_read_ncdf_get): 'start_time' and yr/mo/dy/hr/mn/sc/ms timestamps differ by 263772223.125 seconds - using yr/../ms timestamp INFO (from ropp_1dvar_refrac): Reading background data for profile 1 from the file ../data/IT-1DVAR-04_b.nc. ... (from ropp_io_read_ncdf_get): 'start_time' and yr/mo/dy/hr/mn/sc/ms timestamps differ by 1.000 seconds (probably a leap-second issue) - using yr/../ms timestamp INFO (from ropp_qc_cutoff): 48 points rejected for being above maximum geopotential height of 50.0 km. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 55.645 max(relative change in state) = - n_iter = 2 J = 53.164 max(relative change in state) = 0.91763 n_iter = 3 J = 52.697 max(relative change in state) = 0.19094 n_iter = 4 J = 52.634 max(relative change in state) = 0.10188 n_iter = 5 J = 52.598 max(relative change in state) = 0.43009E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 5. INFO (from ropp_1dvar_refrac): Writing 1DVar retrieval for profile 1 to the file IT-1DVAR-04comp_refrac.1.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 2 from the file ../data/IT-1DVAR-04_y.nc. WARNING (from ropp_io_read_ncdf_get): 'start_time' and yr/mo/dy/hr/mn/sc/ms timestamps differ by 263772222.906 seconds - using yr/../ms timestamp INFO (from ropp_1dvar_refrac): Reading background data for profile 2 from the file ../data/IT-1DVAR-04_b.nc. ... (from ropp_io_read_ncdf_get): 'start_time' and yr/mo/dy/hr/mn/sc/ms timestamps differ by 1.000 seconds (probably a leap-second issue) - using yr/../ms timestamp INFO (from ropp_qc_cutoff): 48 points rejected for being above maximum geopotential height of 50.0 km. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 26.184 max(relative change in state) = - n_iter = 2 J = 25.682 max(relative change in state) = 0.56970 n_iter = 3 J = 24.999 max(relative change in state) = 0.39634 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 2 to the file IT-1DVAR-04comp_refrac.1.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 3 from the file ../data/IT-1DVAR-04_y.nc. WARNING (from ropp_io_read_ncdf_get): 'start_time' and yr/mo/dy/hr/mn/sc/ms timestamps differ by 263772223.122 seconds - using yr/../ms timestamp INFO (from ropp_1dvar_refrac): Reading background data for profile 3 from the file ../data/IT-1DVAR-04_b.nc. ... (from ropp_io_read_ncdf_get): 'start_time' and yr/mo/dy/hr/mn/sc/ms timestamps differ by 1.000 seconds (probably a leap-second issue) - using yr/../ms timestamp INFO (from ropp_qc_cutoff): 48 points rejected for being above maximum geopotential height of 50.0 km. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 37.322 max(relative change in state) = - n_iter = 2 J = 32.927 max(relative change in state) = 0.69752 n_iter = 3 J = 32.026 max(relative change in state) = 0.40439 n_iter = 4 J = 36.273 max(relative change in state) = 0.68218 n_iter = 5 J = 31.947 max(relative change in state) = 0.61551 n_iter = 6 J = 31.901 max(relative change in state) = 0.16705E-01 n_iter = 7 J = 33.018 max(relative change in state) = 0.32054 n_iter = 8 J = 31.859 max(relative change in state) = 0.31742 n_iter = 9 J = 31.820 max(relative change in state) = 0.16479E-01 n_iter = 10 J = 31.945 max(relative change in state) = 0.11237 n_iter = 11 J = 31.775 max(relative change in state) = 0.10054 n_iter = 12 J = 31.734 max(relative change in state) = 0.17395E-01 n_iter = 13 J = 31.800 max(relative change in state) = 0.98843E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the state vector did not change by more than 0.10000 relative to the assumed background errors for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 13. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 3 to the file IT-1DVAR-04comp_refrac.1.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 4 from the file ../data/IT-1DVAR-04_y.nc. WARNING (from ropp_io_read_ncdf_get): 'start_time' and yr/mo/dy/hr/mn/sc/ms timestamps differ by 263772222.896 seconds - using yr/../ms timestamp INFO (from ropp_1dvar_refrac): Reading background data for profile 4 from the file ../data/IT-1DVAR-04_b.nc. ... (from ropp_io_read_ncdf_get): 'start_time' and yr/mo/dy/hr/mn/sc/ms timestamps differ by 1.000 seconds (probably a leap-second issue) - using yr/../ms timestamp INFO (from ropp_qc_cutoff): 49 points rejected for being above maximum geopotential height of 50.0 km. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 33.267 max(relative change in state) = - n_iter = 2 J = 32.207 max(relative change in state) = 0.42573 n_iter = 3 J = 31.799 max(relative change in state) = 0.27883 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function is increasing INFO (from ropp_1dvar_cost): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 4. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 4 to the file IT-1DVAR-04comp_refrac.1.nc. INFO (from ropp_1dvar_refrac): Reading observation data for profile 5 from the file ../data/IT-1DVAR-04_y.nc. WARNING (from ropp_io_read_ncdf_get): 'start_time' and yr/mo/dy/hr/mn/sc/ms timestamps differ by 263772223.118 seconds - using yr/../ms timestamp INFO (from ropp_1dvar_refrac): Reading background data for profile 5 from the file ../data/IT-1DVAR-04_b.nc. ... (from ropp_io_read_ncdf_get): 'start_time' and yr/mo/dy/hr/mn/sc/ms timestamps differ by 1.000 seconds (probably a leap-second issue) - using yr/../ms timestamp INFO (from ropp_qc_cutoff): 47 points rejected for being above maximum geopotential height of 50.0 km. INFO (from ropp_qc_bgqc): Background quality control lets all refractivity values pass. INFO (from ropp_1dvar_solve): Using background error covariance matrix for preconditioning. INFO (from ropp_1dvar_cost): Using absolute decrease of cost function and relative change of state vector as additional convergence criterium. n_iter = 1 J = 28.923 max(relative change in state) = - n_iter = 2 J = 27.363 max(relative change in state) = 0.49007 n_iter = 3 J = 26.931 max(relative change in state) = 0.26237 n_iter = 4 J = 27.179 max(relative change in state) = 0.22566 n_iter = 5 J = 26.966 max(relative change in state) = 0.82220E-01 n_iter = 6 J = 26.731 max(relative change in state) = 0.13094 n_iter = 7 J = 26.692 max(relative change in state) = 0.16337 n_iter = 8 J = 26.586 max(relative change in state) = 0.14138 n_iter = 9 J = 26.637 max(relative change in state) = 0.15593 n_iter = 10 J = 26.579 max(relative change in state) = 0.65039E-01 INFO (from ropp_1dvar_cost): Convergence assumed to be achieved as the cost function did not change by more than 0.10000 for the last 2 iterations. INFO (from ropp_1dvar_solve): Minimization of cost function successfully finished (according to additional convergence criteria). Number of required iterations: 10. INFO (from ropp_1dvar_refrac): Appending 1DVar retrieval for profile 5 to the file IT-1DVAR-04comp_refrac.1.nc. *** Running IDL to plot results IDL 8.8.2 (linux x86_64 m64). (c) 2022, L3Harris Geospatial Solutions, Inc. Licensed for use by: University of Maryland (MAIN) License: 94891 A new version is available: IDL 8.8.3 https://harrisgeospatial.flexnetoperations.com % Compiled module: PLOT_1DVAR. PLOT_1DVAR: Plotting increments for file_id: 04comp_refrac % Loaded DLM: NCDF. % Compiled module: NCDF_GETVAR. Processing scenario: OC_20080512000000_CO01_U999_METO % Compiled module: INTERPOL. Processing scenario: OC_20080512000000_CO01_U999_METO Processing scenario: OC_20080512000000_CO04_U999_METO Processing scenario: OC_20080512000000_CO04_U999_METO Processing scenario: OC_20080512000000_CO05_U999_METO Found max difference [%] in observation scenarios: -3.8120445e+11 Found max difference [K] in temperature scenarios: -3.5781299 Found max difference [g/kg] in specific humidity scenarios: -0.78811720 Found max difference [hPa] in pressure scenarios: -0.45023748 Generating output image file ropp_1dvar_04comp_refrac_bangle.jpg % Compiled module: OPEN_JPGFILE. % Compiled module: CLOSE_JPGFILE. % Loaded DLM: JPEG. % Program caused arithmetic error: Floating illegal operand *** Finished IDL *** ropp_1dvar_04comp_refrac.jpg can be compared against ../data/ropp_1dvar_04comp_refrac_reference.jpg