*** Results log of t_1dvar_COSMIC_04_bangle (1DVAR COSMIC; default) *** ./../tools/ropp_1dvar_bangle -y ../data/IT-1DVAR-04_y.nc -b ../data/IT-1DVAR-04_b.nc --bg-corr ../data/IT-1DVAR-04_c.nc -c ../config/metoffice_bangle_1dvar.cf -o IT-1DVAR-04_bangle.1.nc -d --------------------------------------------------------------------- ROPP Bending Angle 1D-Var --------------------------------------------------------------------- INFO (from ropp_1dvar_bangle): Reading configuration file ../config/metoffice_bangle_1dvar.cf. INFO (from ropp_1dvar_bangle): 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_bangle): 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): 50 points rejected for being above maximum impact height of 50.0 km. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle 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 criteria. n_iter = 1 J = 150.64 max(relative change in state) = - n_iter = 2 J = 130.79 max(relative change in state) = 0.81710 n_iter = 3 J = 124.50 max(relative change in state) = 0.85951 n_iter = 4 J = 124.02 max(relative change in state) = 0.46187 n_iter = 5 J = 123.14 max(relative change in state) = 0.21997 n_iter = 6 J = 123.00 max(relative change in state) = 0.81053E-01 n_iter = 7 J = 122.97 max(relative change in state) = 0.82136E-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: 7. INFO (from ropp_1dvar_bangle): Writing 1DVar retrieval for profile 1 to the file IT-1DVAR-04_bangle.1.nc. INFO (from ropp_1dvar_bangle): 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_bangle): 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): 50 points rejected for being above maximum impact height of 50.0 km. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle 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 criteria. n_iter = 1 J = 87.355 max(relative change in state) = - n_iter = 2 J = 75.010 max(relative change in state) = 0.70286 n_iter = 3 J = 69.247 max(relative change in state) = 0.46990 n_iter = 4 J = 70.097 max(relative change in state) = 0.56701 n_iter = 5 J = 67.878 max(relative change in state) = 0.40163 n_iter = 6 J = 67.779 max(relative change in state) = 0.54759E-01 n_iter = 7 J = 67.698 max(relative change in state) = 0.55657E-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: 7. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 2 to the file IT-1DVAR-04_bangle.1.nc. INFO (from ropp_1dvar_bangle): 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_bangle): 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): 50 points rejected for being above maximum impact height of 50.0 km. INFO (from ropp_qc_bgqc): Background quality control removes 1 bending angle data points from the observations as their deviation from the background exceeds 10.0 times the expected (1-sigma) error. 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 criteria. n_iter = 1 J = 65.507 max(relative change in state) = - n_iter = 2 J = 55.332 max(relative change in state) = 0.58468 n_iter = 3 J = 47.430 max(relative change in state) = 1.2059 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_bangle): Appending 1DVar retrieval for profile 3 to the file IT-1DVAR-04_bangle.1.nc. INFO (from ropp_1dvar_bangle): 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_bangle): 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): 51 points rejected for being above maximum impact height of 50.0 km. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle 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 criteria. n_iter = 1 J = 173.01 max(relative change in state) = - n_iter = 2 J = 155.10 max(relative change in state) = 0.83854 n_iter = 3 J = 141.23 max(relative change in state) = 1.4012 n_iter = 4 J = 154.86 max(relative change in state) = 1.6356 n_iter = 5 J = 138.17 max(relative change in state) = 1.2052 n_iter = 6 J = 137.60 max(relative change in state) = 0.76668E-01 n_iter = 7 J = 138.83 max(relative change in state) = 0.50528 n_iter = 8 J = 136.74 max(relative change in state) = 0.35524 n_iter = 9 J = 136.10 max(relative change in state) = 0.16707 n_iter = 10 J = 135.65 max(relative change in state) = 0.19327 n_iter = 11 J = 135.64 max(relative change in state) = 0.27339 n_iter = 12 J = 135.09 max(relative change in state) = 0.14156 n_iter = 13 J = 135.06 max(relative change in state) = 0.69175E-01 n_iter = 14 J = 134.92 max(relative change in state) = 0.53779E-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: 14. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 4 to the file IT-1DVAR-04_bangle.1.nc. INFO (from ropp_1dvar_bangle): 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_bangle): 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): 49 points rejected for being above maximum impact height of 50.0 km. INFO (from ropp_qc_bgqc): Background quality control lets all bending angle 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 criteria. n_iter = 1 J = 98.878 max(relative change in state) = - n_iter = 2 J = 84.273 max(relative change in state) = 0.61399 n_iter = 3 J = 69.260 max(relative change in state) = 1.0338 n_iter = 4 J = 66.838 max(relative change in state) = 0.42346 n_iter = 5 J = 65.444 max(relative change in state) = 0.40729 n_iter = 6 J = 65.388 max(relative change in state) = 0.26780 n_iter = 7 J = 65.019 max(relative change in state) = 0.13625 n_iter = 8 J = 64.971 max(relative change in state) = 0.51751E-01 n_iter = 9 J = 64.907 max(relative change in state) = 0.65588E-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: 9. INFO (from ropp_1dvar_bangle): Appending 1DVar retrieval for profile 5 to the file IT-1DVAR-04_bangle.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: 04_bangle % 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: -2.0438872 Found max difference [g/kg] in specific humidity scenarios: -0.77681342 Found max difference [hPa] in pressure scenarios: -1.0844449 Generating output image file ropp_1dvar_04_bangle_bangle.jpg % Compiled module: OPEN_JPGFILE. % Compiled module: CLOSE_JPGFILE. % Loaded DLM: JPEG. % Program caused arithmetic error: Floating illegal operand *** Finished IDL *** ropp_1dvar_04_bangle.jpg can be compared against ../data/ropp_1dvar_04_bangle_reference.jpg