{"state":"COMPLETE_INTERMODEL_DIAGNOSTIC_NO_CALIBRATION_CHANGE","Iberia":{"model":"Iberia Delft3D classic / operational FEWS","T0_utc":"2026-10-29T11:00:00Z","valid_end_utc":"2026-11-01T11:00:00Z","step_minutes":10,"points":11,"slot":4,"source":"[origem local: consultar auditoria interna]","source_sha256":"159695f7f430f906e3799f496c535b31a7e34632a9b5107a75134fb938d5b778","source_unchanged_during_read":true,"snapshot_utc":"2026-10-29T11:14:22.188304+00:00","access":"Immutable copy of FSS export; Iberia filter currently not exposed by PI REST","vertical_reference":"Native classical levels; no IBI/G7/gauge correction applied","not_observations":true,"harmonic_boundary_types":["A"],"harmonics":["A0","K1","K2","M2","M4","MF","MM","MN4","MS4","N2","O1","P1","Q1","S2"],"wind_pressure_files":{"Fwndgu":"x_wind.dat","Fwndgv":"y_wind.dat","Fwndgp":"air_pressure.dat"}},"IBI_fetch":{"request":{"dataset_id":"cmems_mod_ibi_phy_anfc_0.027deg-2D_PT15M-i","variables":["zos"],"minimum_longitude":-8.85,"maximum_longitude":-8.65,"minimum_latitude":41.08,"maximum_latitude":41.22,"start_datetime":"2026-10-29T11:00:00","end_datetime":"2026-11-01T11:00:00","output_filename":"ibi_zos_raw_20261029T11_20261101T11.nc","output_directory":"[origem local: consultar auditoria interna]","skip_existing":true,"disable_progress_bar":true},"retrieval_utc":"2026-10-29T11:42:43.938423+00:00","raw_offset_applied_m":0,"not_archived_forecast_vintage_at_Iberia_T0":true,"state":"ACQUIRED","sha256":"415685e9b7867bef6a20a87bfac6ee30edd3fbabe05bfd9be4b514ba0aa1e569","bytes":43164},"IBI_variable_attributes":{"_FillValue":-32767,"easting":"longitude","latitude_max":"56.08294177f","latitude_min":"26.16535726f","long_name":"Sea surface height","longitude_max":"5.084567f","longitude_min":"-19.0828411f","northing":"latitude","standard_name":"sea_surface_height_above_geoid","unit_long":"Meters","units":"m","valid_max":10000,"valid_min":-10000,"add_offset":0.0,"scale_factor":0.0010000000474974513},"IBI_global_attributes":{"institution":"NOW Systems (Spain)","references":"http://marine.copernicus.eu/","source":"NEMO3.6","title":"Ocean surface 15-minutes instantaneous fields for the Iberia-Biscay-Ireland (IBI) region"},"forecast_vintages_matched":false,"vintage_note":"Iberia fixedT0 29Oct11UTC; IBI latest snapshot retrieved29Oct. Exact IBI issue time not established by subset. Same valid times, not proof of equal information available at T0.","stations":[{"station":"LeixoesTG","native_lonlat":[-8.753203289318032,41.167571810849175],"native_MN":[122,101],"geolocation_QA":"Direct NEFIS XYSTAT and NAMST; matches4nativeGRDcorners and same grid/obs SHA as Iberia snapshot","IBI_spatial_method":"Bilinear at native Iberia XYSTAT station centre; four wet corners","spatial_support":[{"lon":-8.77696937,"lat":41.16581746,"weight":0.1353248161542164,"distance_m":2004.0108672615645},{"lon":-8.749190740000001,"lat":41.16581746,"weight":0.801520490861446,"distance_m":389.04613146375493},{"lon":-8.77696937,"lat":41.19359609,"weight":0.009122527650382491,"distance_m":3511.3545036156534},{"lon":-8.749190740000001,"lat":41.19359609,"weight":0.05403216533395502,"distance_m":2909.7319842392726}],"nearest_wet_distance_m":389.04613146375493,"IBI_centres_inside_Iberia_cell":2,"common_samples":145,"start_utc":"2026-10-29T11:00:00Z","end_utc":"2026-11-01T11:00:00Z","time_pairing":"Exact matching timestamps UTC every30minutes; no temporal interpolation","Iberia_native_levels":{"mean_m":0.004109089310344828,"std_m":0.8477731624196843,"min_m":-1.4260235,"max_m":1.4357702},"IBI_raw_zos":{"mean_m":-0.2969134934211938,"std_m":0.8470576994473846,"min_m":-1.8441610457237778,"max_m":1.0967545469697744},"IBI_minus_Iberia_raw":{"mean_m":-0.30102258273153865,"std_m":0.06809390488937414,"min_m":-0.4988254881037035,"max_m":-0.17104683430425538},"raw_RMS_difference_m":0.30862821516745537,"centred_RMS_difference_m":0.06809390488937414,"correlation":0.9967719081910507,"representative_semidiurnal_fit":{"period_hours":12.4206,"IBI_amplitude_over_Iberia":0.9941895124928064,"IBI_lag_minutes_relative_Iberia":4.308697873370067,"caution":"One representative oscillation, not resolved M2/S2 and not a correction applied"},"spatial_sampling_sensitivity":{"nearest_minus_primary_rms_m":0.0004899550391752594,"nearest_minus_primary_centred_rms_m":0.0004889909805363708,"footprint_average_minus_primary_rms_m":0.0009604221338538792,"footprint_average_minus_primary_centred_rms_m":0.0006854547673005398},"slow_difference_25h":{"start_utc":"2026-10-29T23:30:00Z","end_utc":"2026-10-31T22:30:00Z","mean_m":-0.29895121695517485,"std_m":0.02433358814876911,"min_m":-0.3448411729596174,"max_m":-0.2553800821255333,"amplitude_response_to_tidal_components":{"12.4206h_proxy":0.006316400704975371,"S2_12h":0.039318516525781284,"K1_23.934h":0.04243995732150386,"O1_25.819h":0.032665442282703995},"caution":"Smoothed inter-model difference, includes unknown constant reference and residual tides/long-period tides; not isolated meteorological residual"},"vertical_offsets_applied_m":0,"not_independent_model_validation":true,"empirical_G7_overlay":{"offset_m":0.6475833399829765,"mean_IBI_corrected_minus_Iberia_m":0.34656075725143787,"slow_difference_min_m":0.30274216702335904,"slow_difference_max_m":0.39220325785744314,"centred_RMS_difference_m":0.06809390488937414,"status":"Provisional empirical reference; not independently certified geodetic conversion","applies_to":"IBI only, for this diagnostic overlay; no model/forcing edits; no additional Cantareira observation correction"}},{"station":"Douro","native_lonlat":[-8.753203289318032,41.11757181084917],"native_MN":[122,100],"geolocation_QA":"Direct NEFIS XYSTAT and NAMST; matches4nativeGRDcorners and same grid/obs SHA as Iberia snapshot","IBI_spatial_method":"Bilinear at native Iberia XYSTAT station centre; four wet corners","spatial_support":[{"lon":-8.77696937,"lat":41.1102602,"weight":0.10642737067792782,"distance_m":2154.9536685964636},{"lon":-8.749190740000001,"lat":41.1102602,"weight":0.6303627140320923,"distance_m":879.1594623830232},{"lon":-8.77696937,"lat":41.13803883,"weight":0.03801997312667106,"distance_m":3024.7810493325196},{"lon":-8.749190740000001,"lat":41.13803883,"weight":0.22518994216330873,"distance_m":2297.83122743538}],"nearest_wet_distance_m":879.1594623830232,"IBI_centres_inside_Iberia_cell":4,"common_samples":145,"start_utc":"2026-10-29T11:00:00Z","end_utc":"2026-11-01T11:00:00Z","time_pairing":"Exact matching timestamps UTC every30minutes; no temporal interpolation","Iberia_native_levels":{"mean_m":0.004037008510344833,"std_m":0.8480098289531823,"min_m":-1.4277835,"max_m":1.4366466},"IBI_raw_zos":{"mean_m":-0.30264755047336805,"std_m":0.8468138745358267,"min_m":-1.851184773408365,"max_m":1.0920294249223321},"IBI_minus_Iberia_raw":{"mean_m":-0.30668455898371294,"std_m":0.06977581556677367,"min_m":-0.5201894491684069,"max_m":-0.17796413124445823},"raw_RMS_difference_m":0.314521991531662,"centred_RMS_difference_m":0.06977581556677366,"correlation":0.9966110638141614,"representative_semidiurnal_fit":{"period_hours":12.4206,"IBI_amplitude_over_Iberia":0.9934123304534364,"IBI_lag_minutes_relative_Iberia":4.420830518647068,"caution":"One representative oscillation, not resolved M2/S2 and not a correction applied"},"spatial_sampling_sensitivity":{"nearest_minus_primary_rms_m":0.0010370235288826258,"nearest_minus_primary_centred_rms_m":0.0008088241322847682,"footprint_average_minus_primary_rms_m":0.0011299562347918193,"footprint_average_minus_primary_centred_rms_m":0.0010741470254896693},"slow_difference_25h":{"start_utc":"2026-10-29T23:30:00Z","end_utc":"2026-10-31T22:30:00Z","mean_m":-0.3049054838737233,"std_m":0.024520318427962765,"min_m":-0.3500475565754887,"max_m":-0.2606226099868208,"amplitude_response_to_tidal_components":{"12.4206h_proxy":0.006316400704975371,"S2_12h":0.039318516525781284,"K1_23.934h":0.04243995732150386,"O1_25.819h":0.032665442282703995},"caution":"Smoothed inter-model difference, includes unknown constant reference and residual tides/long-period tides; not isolated meteorological residual"},"vertical_offsets_applied_m":0,"not_independent_model_validation":true,"empirical_G7_overlay":{"offset_m":0.6475833399829765,"mean_IBI_corrected_minus_Iberia_m":0.3408987809992636,"slow_difference_min_m":0.29753578340748776,"slow_difference_max_m":0.38696072999615566,"centred_RMS_difference_m":0.06977581556677366,"status":"Provisional empirical reference; not independently certified geodetic conversion","applies_to":"IBI only, for this diagnostic overlay; no model/forcing edits; no additional Cantareira observation correction"}}],"conclusion_limits":["A constant difference is not automatically a geodetic offset or physical model error","Demeaning removes a constant only for plotting/diagnostic; no heights or forcing changed","Differences may include tidal propagation, resolution, bathymetry, friction, WRF/ECMWF forcing, remote ocean conditions and circulation","25h smoothing is not full tidal separation;72h cannot resolve M2/S2 independently","No observations used here; this is an inter-model comparison"],"shared_spatial_pattern":{"difference_series_correlation":0.9985621162003934,"Douro_difference_minus_Leixoes_difference":{"mean_m":-0.00566197625217428,"std_m":0.004061093498626359,"min_m":-0.02150900718456006,"max_m":0.006237780522745595},"interpretation":"Common pattern across two nearby offshore cells; cannot identify whether datum or regional physics causes its mean"},"A0_and_physics_audit":{"snapshot":"[origem local: consultar auditoria interna]","boundaries":75,"endpoints":150,"all_A0_zero":true,"settings":{"MNKmax":"186 148 1","Itdate":"#2015-08-10#","Sub1":"#  W #","Sub2":"#   #","Tempw":"1.5000000e+001","Salw":"3.1000000e+001","Filana":"#Iberia10.bca#","Restid":"#Iberia.rst#","Fwndgu":"#x_wind.dat#","Fwndgv":"#y_wind.dat#","Fwndgp":"#air_pressure.dat#"},"source_sha256":{"Iberia.mdf":"005f9b301abd6117ce8ce93f38c2bf5d665170ce7ee4e051e270b5baf0386a34","Iberia10.bca":"9def085d84b772ad81d41121baacf5f4fd5b4d14f00e329aeeed36f708bd6e60","Iberia10.bnd":"5e4ae549902584eaeb0dea4cc8d7d52666c83f841fd5f1d67a53fa5b86c65b4f"},"interpretation":["No imposed mean-level offset or secular sea-level trend in A0 of the astronomical boundaries.","Wind and atmospheric pressure are included. A0 zero does not force every interior temporal mean to zero.","One computational layer; no active transported temperature/salinity in the inspected setup: no resolved 3D baroclinic ocean circulation.","No evolving remote ocean SSH prescribed by these astronomical boundaries. Long-period tides and internally generated atmospheric/nonlinear effects remain.","Itdate is a model clock origin, not evidence of a vertical-datum epoch.","The geodetic zero of the native Iberia harmonics is not established by A0=0.","Raw IBI minus Iberia is negative about 0.30m. Cannot identify this as positive 0.20m rise plus 0.10m regional signal."]},"G7_overlay":{"offset_m":0.6475833399829765,"inherited_from":"Previously adopted FM G7 empirical correction","original_data_preserved":true,"source_models_and_forcing_unchanged":true,"no_causal_decomposition":"Not evidence of 20cm secular rise plus remaining regional oscillation","invariants":"Constant offset leaves amplitudes, phase, centred RMS and peak-to-peak variability unchanged"}}