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The IFS model documentation for various model cycles can be found on on https://www.ecmwf.int/en/forecasts/documentation-and-support/changes-ecmwf-modelpublications/ifs-documentation. Please note that the IFS cycle changes during the years, and this page documents the current operational cycle (47r2); please have a look at the table below for details of changes from previous cycles.
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The IFS undergoes changes regularly in order to improve the forecast. Changes are listed below with their identifier (Cycle 46r1 for instance) or a specific title when the cycle number did not change.
Implementation date | Cycle | Summary of changes | Resolution/Resolution change | New species |
---|---|---|---|---|
1 Feb 2023 | 47r3 | Assimilation of AOD from VIIRS | none | |
15 Dec 2022 | 47r3 | Update of the T159 background error covariance wavelet file to use the correct NWP background errors. The update leads to considerably improved NWP forecast scores. As a consequence, smaller changes to AOD and upper tropospheric and lower stratospheric ozone are also expected. | Horizontal: 40km, Vertical: 137 levels | none |
22 Feb 2022 | 47r3 | A fix of low-level T/q in fog conditions was introduced with the 12 UTC cycle on 22 Feb 2022 | Horizontal: 40km, Vertical: 137 levels | none |
12 October 2021 | 47r3 | Atmospheric composition, Meteorology | Horizontal: 40km, Vertical: 137 levels | none |
18 May 2021 (12UTC cycle) | 47r2 | Atmospheric composition, Meteorology | Horizontal: 40km, Vertical: 137 levels | none |
6 October 2020 | 47r1 | Atmospheric composition, Meteorology | Horizontal: 40km, Vertical: 137 levels | none |
9 July 2019 | 46r1 | Atmospheric composition, Meteorology | Horizontal: 40km, Vertical: from 60 to 137 levels | Aerosols: nitrate and ammonium |
26 June 2018 | 45r1 | Atmospheric composition, Meteorology | Horizontal: 40km, Vertical: 60 levels | See Table 1 and 2 |
26 September 2017 | 43r3 | Atmospheric composition, Meteorology | Horizontal: 40km, Vertical: 60 levels | none |
24 January 2017 | 43r1 | Atmospheric composition, Meteorology | Horizontal: 40km, Vertical: 60 levels | none |
21 June 2016 | 41r1 | Atmospheric composition, Meteorology | Horizontal: from 80km to 40km, Vertical: 60 levels | none |
Data access
The data is now available from the Atmosphere Data Store (ADS), either interactively through its download web form or programmatically using the CDS API service:
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Table 1: single level parameters Fast access (last reviewed on )
Name | Units | Variable name in CDS API | Shortname | Param ID | Access type | fc | an | Note |
10 metre U wind component | m s-1 | 10m_u_component_of_wind | 10u | 165 | Fast access | X | X | |
10 metre V wind component | m s-1 | 10m_v_component_of_wind | 10v | 166 | Fast access | X | X | |
2 metre dewpoint temperature | K | 2m_dewpoint_temperature | 2d | 168 | Fast access | X | X | |
2 metre temperature | K | 2m_temperature | 2t | 167 | Fast access | X | X | |
Ammonium aerosol optical depth at 550 nm | dimensionless | ammonium_aerosol_optical_depth_550nm | amaod550 | 210251 | Fast access | X | Only available from 9 July 2019 00UTC | |
Black Carbon Aerosol Optical Depth at 550nm | dimensionless | black_carbon_aerosol_optical_depth_550nm | bcaod550 | 210211 | Fast access | X | X | |
Dust Aerosol Optical Depth at 550nm | dimensionless | dust_aerosol_optical_depth_550nm | duaod550 | 210209 | Fast access | X | X | |
Land-sea mask | (0 - 1) | land_sea_mask | lsm | 172 | Fast access | X | X | |
Mean sea level pressure | Pa | mean_sea_level_pressure | msl | 151 | Fast access | X | X | |
Nitrate aerosol optical depth at 550 nm | dimensionless | nitrate_aerosol_optical_depth_550nm | niaod550 | 210250 | Fast access | X | X | Only available from 9 July 2019 00UTC |
Organic Matter Aerosol Optical Depth at 550nm | dimensionless | organic_matter_aerosol_optical_depth_550nm | omaod550 | 210210 | Fast access | X | X | |
Particulate matter d < 10 um | kg m-3 | particulate_matter_10um | pm10 | 210074 | Fast access | X | X | |
Particulate matter d < 2.5 um | kg m-3 | particulate_matter_2.5um | pm2p5 | 210073 | Fast access | X | X | |
Particulate matter d < 1 um | kg m-3 | particulate_matter_1um | pm1 | 210072 | Fast access | X | X | |
Sea Salt Aerosol Optical Depth at 550nm | dimensionless | sea_salt_aerosol_optical_depth_550nm | ssaod550 | 210208 | Fast access | X | Only available from 26 June 2018 12UTC | |
Sulphate aerosol optical depth at 550 nm | dimensionless | sulphate_aerosol_optical_depth_550nm | suaod550 | 210212 | Fast access | X | ||
Surface geopotential | m2 s-2 | surface_geopotential | z | 129 | Fast access | X | ||
Surface pressure | Pa | surface_pressure | sp | 134 | Fast access | X | X | Only available from 21 June 2016 00UTC |
Total aerosol optical depth at 1240nm | dimensionless | total_aerosol_optical_depth_1240nm | aod1240 | 210216 | Fast access | X | X | Only available from 26 June 2018 12UTC |
Total aerosol optical depth at 469nm | dimensionless | total_aerosol_optical_depth_469nm | aod469 | 210213 | Fast access | X | X | Only available from 26 June 2018 12UTC |
Total aerosol optical depth at 550nm | dimensionless | total_aerosol_optical_depth_550nm | aod550 | 210207 | Fast access | X | X | Only available from 26 June 2018 12UTC |
Total aerosol optical depth at 670nm | dimensionless | total_aerosol_optical_depth_670nm | aod670 | 210214 | Fast access | X | X | Only available from 26 June 2018 12UTC |
Total aerosol optical depth at 865nm | dimensionless | total_aerosol_optical_depth_865nm | aod865 | 210215 | Fast access | X | X | Only available from 26 June 2018 12UTC |
Total column Carbon monoxide | kg m-2 | total_column_carbon_monoxide | tcco | 210127 | Fast access | X | X | |
Total column ethane | kg m-2 | total_column_ethane | tc_c2h6 | 218045 | Fast access | X | X | |
Total column Formaldehyde | kg m-2 | total_column_formaldehyde | tchcho | 210128 | Fast access | X | X | |
Total column hydrogen peroxide | kg m-2 | total_column_hydrogen_peroxide | tc_h2o2 | 218003 | Fast access | X | X | Only available from 26 June 2018 12UTC |
Total column hydroxyl radical | kg m-2 | total_column_hydroxyl_radical | tc_oh | 218030 | Fast access | X | X | |
Total column isoprene | kg m-2 | total_column_isoprene | tc_c5h8 | 218016 | Fast access | X | X | |
Total column methane | kg m-2 | total_column_methane | tc_ch4 | 218004 | Fast access | X | X | |
Total column nitric acid | kg m-2 | total_column_nitric_acid | tc_hno3 | 218006 | Fast access | X | X | |
Total column Nitrogen dioxide | kg m-2 | total_column_nitrogen_dioxide | tcno2 | 210125 | Fast access | X | X | |
Total column nitrogen monoxide | kg m-2 | total_column_nitrogen_monoxide | tc_no | 218027 | Fast access | X | X | |
GEMS Total column ozone | kg m-2 | total_column_ozone | gtco3 | 210206 | Fast access | X | X | |
Total column peroxyacetyl nitrate | kg m-2 | total_column_peroxyacetyl_nitrate | tc_pan | 218013 | Fast access | X | X | |
Total column propane | kg m-2 | total_column_propane | tc_c3h8 | 218047 | Fast access | X | X | |
Total column Sulphur dioxide | kg m-2 | total_column_sulphur_dioxide | tcso2 | 210126 | Fast access | X | X | |
Total column water vapour | kg m-2 | total_column_water_vapour | tcwv | 137 | Fast access | X | X | |
UV biologically effective dose | dimensionless | uv_biologically_effective_dose | uvbed | 214002 | Fast access | X | X | Only available from 03 September 2015 00UTC |
UV biologically effective dose clear-sky | dimensionless | uv_biologically_effective_dose_clear_sky | uvbedcs | 214003 | Fast access | X | X | Only available from 03 September 2015 00UTC |
Table 2: single level parameters Slow access (last reviewed on )
Name | Units | Variable name in CDS API | Shortname | Param ID | Access type | fc | an | Note |
10 metre wind gust in the last 3 hours | m s-1 | 10m_wind_gust_in_the_last_3_hours | 10fg3 | 228028 | X | Only available from 21 June 2016 00UTC | ||
Asymmetry factor at 1020 nm | dimensionless | asymmetry_factor_1020nm | asymmetry1020 | 215164 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 1064 nm | dimensionless | asymmetry_factor_1064nm | asymmetry1064 | 215165 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 1240 nm | dimensionless | asymmetry_factor_1240nm | asymmetry1240 | 215166 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 1640 nm | dimensionless | asymmetry_factor_1640nm | asymmetry1640 | 215167 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 2130 nm | dimensionless | asymmetry_factor_2130nm | asymmetry2130 | 215179 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 340 nm | dimensionless | asymmetry_factor_340nm | asymmetry340 | 215150 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 355 nm | dimensionless | asymmetry_factor_355nm | asymmetry355 | 215151 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 380 nm | dimensionless | asymmetry_factor_380nm | asymmetry380 | 215152 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 400 nm | dimensionless | asymmetry_factor_400nm | asymmetry400 | 215153 | X | X | Only available from 27 June 2018 00UTC | |
Asymmetry factor at 440 nm | dimensionless | asymmetry_factor_440nm | asymmetry440 | 215154 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 469 nm | dimensionless | asymmetry_factor_469nm | asymmetry469 | 215155 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 500 nm | dimensionless | asymmetry_factor_500nm | asymmetry500 | 215156 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 532 nm | dimensionless | asymmetry_factor_532nm | asymmetry532 | 215157 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 550 nm | dimensionless | asymmetry_factor_550nm | asymmetry550 | 215158 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 645 nm | dimensionless | asymmetry_factor_645nm | asymmetry645 | 215159 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 670 nm | dimensionless | asymmetry_factor_670nm | asymmetry670 | 215160 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 800 nm | dimensionless | asymmetry_factor_800nm | asymmetry800 | 215161 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 858 nm | dimensionless | asymmetry_factor_858nm | asymmetry858 | 215162 | X | X | Only available from 26 June 2018 12UTC | |
Asymmetry factor at 865 nm | dimensionless | asymmetry_factor_865nm | asymmetry865 | 215163 | X | X | Only available from 26 June 2018 12UTC | |
Boundary layer height | m | boundary_layer_height | blh | 159 | X | |||
Clear-sky direct solar radiation at surface | J m-2 | clear_sky_direct_solar_radiation_at_surface | cdir | 228022 | X | |||
Clear sky surface photosynthetically active radiation | J m-2 | clear_sky_surface_photosynthetically_active_radiation | parcs | 20 | X | Only available from 24 January 2017 12UTC | ||
Cloud base height | m | cloud_base_height | cbh | 228023 | X | |||
Convective available potential energy | J kg-1 | convective_available_potential_energy | cape | 59 | X | |||
Convective inhibition | J kg-1 | convective_inhibition | cin | 228001 | X | X | ||
Convective precipitation | m | convective_precipitation | cp | 143 | X | X | ||
Direct solar radiation | J m-2 | direct_solar_radiation | dsrp | 47 | X | Only available from 24 January 2017 12UTC | ||
Downward UV radiation at the surface | J m-2 | downward_uv_radiation_at_the_surface | uvb | 57 | X | |||
Dry deposition of ammonium aerosol | kg m-2 s-1 | dry_deposition_of_ammonium_aerosol | aerddpam | 215206 | X | Only available from 9 July 2019 00UTC | ||
Dry deposition of coarse-mode nitrate aerosol | kg m-2 s-1 | dry_deposition_of_coarse_mode_nitrate_aerosol | aerddpnic | 215192 | X | Only available from 9 July 2019 00UTC | ||
Dry deposition of dust aerosol (0.03 - 0.55 um) | kg m-2 s-1 | dry_deposition_of_dust_aerosol_0.03-0.55um | aerddpdus | 215028 | X | Only available from 26 June 2018 12UTC | ||
Dry deposition of dust aerosol (0.55 - 9 um) | kg m-2 s-1 | dry_deposition_of_dust_aerosol_0.55-9um | aerddpdum | 215029 | X | Only available from 26 June 2018 12UTC | ||
Dry deposition of dust aerosol (9 - 20 um) | kg m-2 s-1 | dry_deposition_of_dust_aerosol_9-20um | aerddpdul | 215030 | X | Only available from 26 June 2018 12UTC | ||
Dry deposition of fine-mode nitrate aerosol | kg m-2 s-1 | dry_deposition_of_fine_mode_nitrate_aerosol | aerddpnif | 215191 | X | Only available from 9 July 2019 00UTC | ||
Dry deposition of hydrophilic black carbon aerosol | kg m-2 s-1 | dry_deposition_of_hydrophilic_black_carbon_aerosol | aerddpbchphil | 215068 | X | Only available from 26 June 2018 12UTC | ||
Dry deposition of hydrophilic organic matter aerosol | kg m-2 s-1 | dry_deposition_of_hydrophilic_organic_matter_aerosol | aerddpomhphil | 215052 | X | Only available from 26 June 2018 12UTC | ||
Dry deposition of hydrophobic black carbon aerosol | kg m-2 s-1 | dry_deposition_of_hydrophobic_black_carbon_aerosol | aerddpbchphob | 215067 | X | Only available from 26 June 2018 12UTC | ||
Dry deposition of hydrophobic organic matter aerosol | kg m-2 s-1 | dry_deposition_of_hydrophobic_organic_matter_aerosol | aerddpomhphob | 215051 | X | Only available from 26 June 2018 12UTC | ||
Dry deposition of sea salt aerosol (0.03 - 0.5 um) | kg m-2 s-1 | dry_deposition_of_sea_salt_aerosol_0.03-0.5um | aerddpsss | 215004 | X | Only available from 26 June 2018 12UTC | ||
Dry deposition of sea salt aerosol (0.5 - 5 um) | kg m-2 s-1 | dry_deposition_of_sea_salt_aerosol_0.5-5um | aerddpssm | 215005 | X | Only available from 26 June 2018 12UTC | ||
Dry deposition of sea salt aerosol (5 - 20 um) | kg m-2 s-1 | dry_deposition_of_sea_salt_aerosol_5-20um | aerddpssl | 215006 | X | Only available from 26 June 2018 12UTC | ||
Dry deposition of sulphate aerosol | kg m-2 s-1 | dry_deposition_of_sulphate_aerosol | aerddpsu | 215082 | X | Only available from 26 June 2018 12UTC | ||
Dust aerosol (0.03 - 0.55 um) optical depth | dimensionless | dust_aerosol_0.03-0.55um_optical_depth_550nm | aeroddus | 215046 | X | X | ||
Dust aerosol (0.55 - 9 um) optical depth | dimensionless | dust_aerosol_0.55-9um_optical_depth_550nm | aeroddum | 215047 | X | X | ||
Dust aerosol (9 - 20 um) optical depth | dimensionless | dust_aerosol_9-20um_optical_depth_550nm | aeroddul | 215048 | X | X | ||
Evaporation | m of water equivalent | evaporation | e | 182 | X | |||
Forecast albedo | (0 - 1) | forecast_albedo | fal | 243 | X | |||
Friction velocity | m s-1 | friction_velocity | zust | 228003 | X | |||
Height of convective cloud top | m | height_of_convective_cloud_top | hcct | 228046 | X | Only available from 24 January 2017 12UTC | ||
High cloud cover | (0 - 1) | high_cloud_cover | hcc | 188 | X | X | ||
Hydrophilic black carbon aerosol optical depth | dimensionless | hydrophilic_black_carbon_aerosol_optical_depth_550nm | aerodbchphil | 215080 | X | X | ||
Hydrophilic organic matter aerosol optical depth | dimensionless | hydrophilic_organic_matter_aerosol_optical_depth_550nm | aerodomhphil | 215064 | X | X | ||
Hydrophobic black carbon aerosol optical depth | dimensionless | hydrophobic_black_carbon_aerosol_optical_depth_550nm | aerodbchphob | 215079 | X | X | ||
Hydrophobic organic matter aerosol optical depth | dimensionless | hydrophobic_organic_matter_aerosol_optical_depth_550nm | aerodomhphob | 215063 | X | X | ||
Lake cover | (0 - 1) | lake_cover | cl | 26 | X | X | Only available from 03 September 2015 00UTC | |
Large-scale precipitation | m | large_scale_precipitation | lsp | 142 | X | |||
Leaf area index, high vegetation | m2 m-2 | leaf_area_index_high_vegetation | lai_hv | 67 | X | X | ||
Leaf area index, low vegetation | m2 m-2 | leaf_area_index_low_vegetation | lai_lv | 66 | X | X | ||
Lifting threshold speed | m s-1 | lifting_threshold_speed | aerlts | 210053 | X | |||
Low cloud cover | (0 - 1) | low_cloud_cover | lcc | 186 | X | X | ||
Medium cloud cover | (0 - 1) | medium_cloud_cover | mcc | 187 | X | X | ||
Coarse-mode nitrate aerosol optical depth at 550 nm | dimensionless | nitrate_coarse_mode_aerosol_optical_depth_550nm | aerodnic | 215204 | X | X | Only available from 9 July 2019 00UTC | |
Fine-mode nitrate aerosol optical depth at 550 nm | dimensionless | nitrate_fine_mode_aerosol_optical_depth_550nm | aerodnif | 215203 | X | X | Only available from 9 July 2019 00UTC | |
Photosynthetically active radiation at the surface | J m-2 | photosynthetically_active_radiation_at_the_surface | par | 58 | X | |||
Potential evaporation | m | potential_evaporation | pev | 228251 | X | Only available from 21 June 2016 00UTC | ||
Precipitation type | code table (4.201) | precipitation_type | ptype | 260015 | X | Only available from 21 June 2016 00UTC | ||
Sea ice area fraction | (0 - 1) | sea_ice_cover | ci | 31 | X | X | ||
Sea salt aerosol (0.03 - 0.5 um) optical depth | dimensionless | sea_salt_aerosol_0.03-0.5um_optical_depth_550nm | aerodsss | 215022 | X | X | Only available from 26 June 2018 12UTC | |
Sea salt aerosol (0.5 - 5 um) optical depth | dimensionless | sea_salt_aerosol_0.5-5um_optical_depth_550nm | aerodssm | 215023 | X | X | Only available from 26 June 2018 12UTC | |
Sea salt aerosol (5 - 20 um) optical depth | dimensionless | sea_salt_aerosol_5-20um_optical_depth_550nm | aerodssl | 215024 | X | X | Only available from 26 June 2018 12UTC | |
Sea surface temperature | K | sea_surface_temperature | sst | 34 | X | |||
Sedimentation of ammonium aerosol | kg m-2 s-1 | sedimentation_of_ammonium_aerosol | aersdmam | 215207 | X | Only available from 9 July 2019 00UTC | ||
Sedimentation of coarse-mode nitrate aerosol | kg m-2 s-1 | sedimentation_of_coarse_mode_nitrate_aerosol | aersdmnic | 215194 | X | Only available from 9 July 2019 00UTC | ||
Sedimentation of dust aerosol (0.03 - 0.55 um) | kg m-2 s-1 | sedimentation_of_dust_aerosol_0.03-0.55um | aersdmdus | 215031 | X | Only available from 26 June 2018 12UTC | ||
Sedimentation of dust aerosol (0.55 - 9 um) | kg m-2 s-1 | sedimentation_of_dust_aerosol_0.55-9um | aersdmdum | 215032 | X | Only available from 26 June 2018 12UTC | ||
Sedimentation of dust aerosol (9 - 20 um) | kg m-2 s-1 | sedimentation_of_dust_aerosol_9-20um | aersdmdul | 215033 | X | Only available from 26 June 2018 12UTC | ||
Sedimentation of fine-mode nitrate aerosol | kg m-2 s-1 | sedimentation_of_fine_mode_nitrate_aerosol | aersdmnif | 215193 | X | Only available from 9 July 2019 00UTC | ||
Sedimentation of hydrophilic black carbon aerosol | kg m-2 s-1 | sedimentation_of_hydrophilic_black_carbon_aerosol | aersdmbchphil | 215070 | X | Only available from 26 June 2018 12UTC | ||
Sedimentation of hydrophilic organic matter aerosol | kg m-2 s-1 | sedimentation_of_hydrophilic_organic_matter_aerosol | aersdmomhphil | 215054 | X | Only available from 26 June 2018 12UTC | ||
Sedimentation of hydrophobic black carbon aerosol | kg m-2 s-1 | sedimentation_of_hydrophobic_black_carbon_aerosol | aersdmbchphob | 215069 | X | Only available from 26 June 2018 12UTC | ||
Sedimentation of hydrophobic organic matter aerosol | kg m-2 s-1 | sedimentation_of_hydrophobic_organic_matter_aerosol | aersdmomhphob | 215053 | X | Only available from 26 June 2018 12UTC | ||
Sedimentation of sea salt aerosol (0.03 - 0.5 um) | kg m-2 s-1 | sedimentation_of_sea_salt_aerosol_0.03-0.5um | aersdmsss | 215007 | X | Only available from 26 June 2018 12UTC | ||
Sedimentation of sea salt aerosol (0.5 - 5 um) | kg m-2 s-1 | sedimentation_of_sea_salt_aerosol_0.5-5um | aersdmssm | 215008 | X | Only available from 26 June 2018 12UTC | ||
Sedimentation of sea salt aerosol (5 - 20 um) | kg m-2 s-1 | sedimentation_of_sea_salt_aerosol_5-20um | aersdmssl | 215009 | X | Only available from 26 June 2018 12UTC | ||
Sedimentation of sulphate aerosol | kg m-2 s-1 | sedimentation_of_sulphate_aerosol | aersdmsu | 215083 | X | Only available from 26 June 2018 12UTC | ||
Single scattering albedo at 1020 nm | (0 - 1) | single_scattering_albedo_1020nm | ssa1020 | 215146 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 1064 nm | (0 - 1) | single_scattering_albedo_1064nm | ssa1064 | 215147 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 1240 nm | (0 - 1) | single_scattering_albedo_1240nm | ssa1240 | 215148 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 1640 nm | (0 - 1) | single_scattering_albedo_1640nm | ssa1640 | 215149 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 2130 nm | (0 - 1) | single_scattering_albedo_2130nm | ssa2130 | 215178 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 340 nm | (0 - 1) | single_scattering_albedo_340nm | ssa340 | 215132 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 355 nm | (0 - 1) | single_scattering_albedo_355nm | ssa355 | 215133 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 380 nm | (0 - 1) | single_scattering_albedo_380nm | ssa380 | 215134 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 400 nm | (0 - 1) | single_scattering_albedo_400nm | ssa400 | 215135 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 440 nm | (0 - 1) | single_scattering_albedo_440nm | ssa440 | 215136 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 469 nm | (0 - 1) | single_scattering_albedo_469nm | ssa469 | 215137 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 500 nm | (0 - 1) | single_scattering_albedo_500nm | ssa500 | 215138 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 532 nm | (0 - 1) | single_scattering_albedo_532nm | ssa532 | 215139 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 550 nm | (0 - 1) | single_scattering_albedo_550nm | ssa550 | 215140 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 645 nm | (0 - 1) | single_scattering_albedo_645nm | ssa645 | 215141 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 670 nm | (0 - 1) | single_scattering_albedo_670nm | ssa670 | 215142 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 800 nm | (0 - 1) | single_scattering_albedo_800nm | ssa800 | 215143 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 858 nm | (0 - 1) | single_scattering_albedo_858nm | ssa858 | 215144 | X | X | Only available from 26 June 2018 12UTC | |
Single scattering albedo at 865 nm | (0 - 1) | single_scattering_albedo_865nm | ssa865 | 215145 | X | X | Only available from 26 June 2018 12UTC | |
Skin reservoir content | m of water equivalent | skin_reservoir_content | src | 198 | X | X | ||
Skin temperature | K | skin_temperature | skt | 235 | X | X | ||
Snow albedo | (0 - 1) | snow_albedo | asn | 32 | X | X | ||
Snow depth | m of water equivalent | snow_depth | sd | 141 | X | X | ||
Soil clay content | % | soil_clay_content | aerscc | 210054 | X | |||
Sulphate Aerosol Optical Depth at 550nm | dimensionless | sulphate_aerosol_optical_depth_550nm | suaod550 | 210212 | X | |||
Sunshine duration | s | sunshine_duration | sund | 189 | X | |||
Surface latent heat flux | J m-2 | surface_latent_heat_flux | slhf | 147 | X | |||
Surface net solar radiation | J m-2 | surface_net_solar_radiation | ssr | 176 | X | |||
Surface net solar radiation, clear sky | J m-2 | surface_net_solar_radiation_clear_sky | ssrc | 210 | X | |||
Surface net thermal radiation | J m-2 | surface_net_thermal_radiation | str | 177 | X | |||
Surface net thermal radiation, clear sky | J m-2 | surface_net_thermal_radiation_clear_sky | strc | 211 | X | |||
Surface sensible heat flux | J m-2 | surface_sensible_heat_flux | sshf | 146 | X | X | ||
Surface solar radiation downward clear-sky | J m-2 | surface_solar_radiation_downward_clear_sky | ssrdc | 228129 | X | |||
Surface solar radiation downwards | J m-2 | surface_solar_radiation_downwards | ssrd | 169 | X | |||
Surface thermal radiation downward clear-sky | J m-2 | surface_thermal_radiation_downward_clear_sky | strdc | 228130 | X | |||
Surface thermal radiation downwards | J m-2 | surface_thermal_radiation_downwards | strd | 175 | X | |||
TOA incident solar radiation | J m-2 | toa_incident_solar_radiation | tisr | 212 | X | |||
Top net solar radiation | J m-2 | top_net_solar_radiation | tsr | 178 | X | |||
Top net solar radiation, clear sky | J m-2 | top_net_solar_radiation_clear_sky | tsrc | 208 | X | |||
Top net thermal radiation | J m-2 | top_net_thermal_radiation | ttr | 179 | X | |||
Top net thermal radiation, clear sky | J m-2 | top_net_thermal_radiation_clear_sky | ttrc | 209 | X | |||
Total absorption aerosol optical depth at 1020 nm | dimensionless | total_absorption_aerosol_optical_depth_1020nm | aodabs1020 | 215110 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 1064 nm | dimensionless | total_absorption_aerosol_optical_depth_1064nm | aodabs1064 | 215111 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 1240 nm | dimensionless | total_absorption_aerosol_optical_depth_1240nm | aodabs1240 | 215112 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 1640 nm | dimensionless | total_absorption_aerosol_optical_depth_1640nm | aodabs1640 | 215113 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 2130 nm | dimensionless | total_absorption_aerosol_optical_depth_2130nm | aodabs2130 | 215176 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 340 nm | dimensionless | total_absorption_aerosol_optical_depth_340nm | aodabs340 | 215096 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 355 nm | dimensionless | total_absorption_aerosol_optical_depth_355nm | aodabs355 | 215097 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 380 nm | dimensionless | total_absorption_aerosol_optical_depth_380nm | aodabs380 | 215098 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 400 nm | dimensionless | total_absorption_aerosol_optical_depth_400nm | aodabs400 | 215099 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 440 nm | dimensionless | total_absorption_aerosol_optical_depth_440nm | aodabs440 | 215100 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 469 nm | dimensionless | total_absorption_aerosol_optical_depth_469nm | aodabs469 | 215101 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 500 nm | dimensionless | total_absorption_aerosol_optical_depth_500nm | aodabs500 | 215102 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 532 nm | dimensionless | total_absorption_aerosol_optical_depth_532nm | aodabs532 | 215103 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 550 nm | dimensionless | total_absorption_aerosol_optical_depth_550nm | aodabs550 | 215104 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 645 nm | dimensionless | total_absorption_aerosol_optical_depth_645nm | aodabs645 | 215105 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 670 nm | dimensionless | total_absorption_aerosol_optical_depth_670nm | aodabs670 | 215106 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 800 nm | dimensionless | total_absorption_aerosol_optical_depth_800nm | aodabs800 | 215107 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 858 nm | dimensionless | total_absorption_aerosol_optical_depth_858nm | aodabs858 | 215108 | X | X | Only available from 26 June 2018 12UTC | |
Total absorption aerosol optical depth at 865 nm | dimensionless | total_absorption_aerosol_optical_depth_865nm | aodabs865 | 215109 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 1020 nm | dimensionless | total_aerosol_optical_depth_1020nm | aod1020 | 210227 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 1064 nm | dimensionless | total_aerosol_optical_depth_1064nm | aod1064 | 210228 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 1640 nm | dimensionless | total_aerosol_optical_depth_1640nm | aod1640 | 210229 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 2130 nm | dimensionless | total_aerosol_optical_depth_2130nm | aod2130 | 210230 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 340 nm | dimensionless | total_aerosol_optical_depth_340nm | aod340 | 210217 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 355 nm | dimensionless | total_aerosol_optical_depth_355nm | aod355 | 210218 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 380 nm | dimensionless | total_aerosol_optical_depth_380nm | aod380 | 210219 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 400 nm | dimensionless | total_aerosol_optical_depth_400nm | aod400 | 210220 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 440 nm | dimensionless | total_aerosol_optical_depth_440nm | aod440 | 210221 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 500 nm | dimensionless | total_aerosol_optical_depth_500nm | aod500 | 210222 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 532 nm | dimensionless | total_aerosol_optical_depth_532nm | aod532 | 210223 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 645 nm | dimensionless | total_aerosol_optical_depth_645nm | aod645 | 210224 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 800 nm | dimensionless | total_aerosol_optical_depth_800nm | aod800 | 210225 | X | X | Only available from 26 June 2018 12UTC | |
Total aerosol optical depth at 858 nm | dimensionless | total_aerosol_optical_depth_858nm | aod858 | 210226 | X | X | Only available from 26 June 2018 12UTC | |
Total cloud cover | (0 - 1) | total_cloud_cover | tcc | 164 | X | X | ||
Total column acetone | kg m-2 | total_column_acetone | tc_ch3coch3 | 218052 | X | X | Only available from 26 June 2018 12UTC | |
Total column acetone product | kg m-2 | total_column_acetone_product | tc_aco2 | 218053 | X | X | Only available from 06 October 2020 00UTC | |
Total column aldehydes | kg m-2 | total_column_aldehydes | tc_ald2 | 218012 | X | X | Only available from 26 June 2018 12UTC | |
Total column amine | kg m-2 | total_column_amine | tc_nh2 | 218040 | X | X | Only available from 06 October 2020 00UTC | |
Total column ammonia | kg m-2 | total_column_ammonia | tc_nh3 | 218019 | X | X | Only available from 06 October 2020 00UTC | |
Total column ammonium | kg m-2 | total_column_ammonium | tc_nh4 | 218021 | X | X | Only available from 9 July 2019 00UTC | |
Total column cloud ice water | kg m-2 | total_column_cloud_ice_water | tciw | 79 | X | X | ||
Total column cloud liquid water | kg m-2 | total_column_cloud_liquid_water | tclw | 78 | X | X | ||
Total column dimethyl sulfide | kg m-2 | total_column_dimethyl_sulfide | tc_dms | 218018 | X | X | Only available from 06 October 2020 00UTC | |
Total column dinitrogen pentoxide | kg m-2 | total_column_dinitrogen_pentoxide | tc_n2o5 | 218033 | X | X | Only available from 06 October 2020 00UTC | |
Total column ethanol | kg m-2 | total_column_ethanol | tc_c2h5oh | 218046 | X | X | Only available from 26 June 2018 12UTC | |
Total column ethene | kg m-2 | total_column_ethene | tc_c2h4 | 218010 | X | X | Only available from 26 June 2018 12UTC | |
Total column formic acid | kg m-2 | total_column_formic_acid | tc_hcooh | 218043 | X | X | Only available from 26 June 2018 12UTC | |
Total column hydroperoxy radical | kg m-2 | total_column_hydroperoxy_radical | tc_ho2 | 218028 | X | X | Only available from 20 June 2017 00UTC | |
Total column HYPROPO2 | kg m-2 | total_column_hypropo2 | tc_hypropo2 | 218055 | X | X | Only available from 06 October 2020 00UTC | |
Total column IC3H7O2 | kg m-2 | total_column_ic3h7o2 | tc_ic3h7o2 | 218054 | X | X | Only available from 06 October 2020 00UTC | |
Total column lead | kg m-2 | total_column_lead | tc_pb | 218026 | X | X | Only available from 06 October 2020 00UTC | |
Total column methacrolein MVK | kg m-2 | total_column_methacrolein_mvk | tc_ispd | 218050 | X | X | Only available from 06 October 2020 00UTC | |
Total column methacrylic acid | kg m-2 | total_column_methacrylic_acid | tc_mcooh | 218044 | X | X | Only available from 06 October 2020 00UTC | |
Total column methane sulfonic acid | kg m-2 | total_column_methane_sulfonic_acid | tc_msa | 218022 | X | X | Only available from 06 October 2020 00UTC | |
Total column methanol | kg m-2 | total_column_methanol | tc_ch3oh | 218042 | X | X | Only available from 26 June 2018 12UTC | |
Total column methyl glyoxal | kg m-2 | total_column_methyl_glyoxal | tc_ch3cocho | 218023 | X | X | Only available from 06 October 2020 00UTC | |
Total column methyl peroxide | kg m-2 | total_column_methyl_peroxide | tc_ch3ooh | 218007 | X | X | Only available from 26 June 2018 12UTC | |
Total column methylperoxy radical | kg m-2 | total_column_methylperoxy_radical | tc_ch3o2 | 218029 | X | X | Only available from 06 October 2020 00UTC | |
Total column nitrate | kg m-2 | total_column_nitrate | tc_no3_a | 218051 | X | X | Only available from 06 October 2020 00UTC | |
Total column nitrate radical | kg m-2 | total_column_nitrate_radical | tc_no3 | 218032 | X | X | Only available from 06 October 2020 00UTC | |
Total column nitrogen oxides Transp | kg m-2 | total_column_nitrogen_oxides_transp | tc_noxa | 218056 | X | X | Only available from 06 October 2020 00UTC | |
Total column NO to alkyl nitrate operator | kg m-2 | total_column_no_to_alkyl_nitrate_operator | tc_xo2n | 218039 | X | X | Only available from 06 October 2020 00UTC | |
Total column NO to NO2 operator | kg m-2 | total_column_no_to_no2_operator | tc_xo2 | 218038 | X | X | Only available from 06 October 2020 00UTC | |
Total column olefins | kg m-2 | total_column_olefins | tc_ole | 218011 | X | X | Only available from 26 June 2018 12UTC | |
Total column organic ethers | kg m-2 | total_column_organic_ethers | tc_ror | 218036 | X | X | Only available from 06 October 2020 00UTC | |
Total column organic nitrates | kg m-2 | total_column_organic_nitrates | tc_onit | 218015 | X | X | Only available from 26 June 2018 12UTC | |
Total column PAR budget corrector | kg m-2 | total_column_par_budget_corrector | tc_rxpar | 218037 | X | X | ||
Total column paraffins | kg m-2 | total_column_paraffins | tc_par | 218009 | X | X | Only available from 26 June 2018 12UTC | |
Total column pernitric acid | kg m-2 | total_column_pernitric_acid | tc_ho2no2 | 218034 | X | X | Only available from 06 October 2020 00UTC | |
Total column peroxides | kg m-2 | total_column_peroxides | tc_rooh | 218014 | X | X | Only available from 06 October 2020 00UTC | |
Total column peroxy acetyl radical | kg m-2 | total_column_peroxy_acetyl_radical | tc_c2o3 | 218035 | X | X | Only available from 06 October 2020 00UTC | |
Total column polar stratospheric cloud | kg m-2 | total_column_polar_stratospheric_cloud | tc_psc | 218041 | X | X | Only available from 06 October 2020 00UTC | |
Total column propene | kg m-2 | total_column_propene | tc_c3h6 | 218048 | X | X | Only available from 06 October 2020 00UTC | |
Total column Radon | kg m-2 | total_column_radon | tcra | 210183 | X | X | Only available from 06 October 2020 00UTC | |
Total column rain water | kg m-2 | total_column_rain_water | tcrw | 228089 | X | X | Only available from 21 June 2016 00UTC | |
Total column snow water | kg m-2 | total_column_snow_water | tcsw | 228090 | X | X | Only available from 21 June 2016 00UTC | |
Source/gain of ammonium aerosol | kg m-2 s-1 | total_column_source_of_ammonium_aerosol | aersrcam | 215205 | X | Only available from 9 July 2019 00UTC | ||
Source/gain of coarse-mode nitrate aerosol | kg m-2 s-1 | total_column_source_of_coarse_mode_nitrate_aerosol | aersrcnic | 215190 | X | Only available from 9 July 2019 00UTC | ||
Source/gain of dust aerosol (0.03 - 0.55 um) | kg m-2 s-1 | total_column_source_of_dust_aerosol_0.03-0.55um | aersrcdus | 215025 | X | Only available from 26 June 2018 12UTC | ||
Source/gain of dust aerosol (0.55 - 9 um) | kg m-2 s-1 | total_column_source_of_dust_aerosol_0.55-9um | aersrcdum | 215026 | X | Only available from 26 June 2018 12UTC | ||
Source/gain of dust aerosol (9 - 20 um) | kg m-2 s-1 | total_column_source_of_dust_aerosol_9-20um | aersrcdul | 215027 | X | Only available from 26 June 2018 12UTC | ||
Source/gain of fine-mode nitrate aerosol | kg m-2 s-1 | total_column_source_of_fine_mode_nitrate_aerosol | aersrcnif | 215189 | X | Only available from 26 June 2018 12UTC | ||
Source/gain of hydrophilic black carbon aerosol | kg m-2 s-1 | total_column_source_of_hydrophilic_black_carbon_aerosol | aersrcbchphil | 215066 | X | Only available from 26 June 2018 12UTC | ||
Source/gain of hydrophilic organic matter aerosol | kg m-2 s-1 | total_column_source_of_hydrophilic_organic_matter_aerosol | aersrcomhphil | 215050 | X | Only available from 26 June 2018 12UTC | ||
Source/gain of hydrophobic black carbon aerosol | kg m-2 s-1 | total_column_source_of_hydrophobic_black_carbon_aerosol | aersrcbchphob | 215065 | X | Only available from 26 June 2018 12UTC | ||
Source/gain of hydrophobic organic matter aerosol | kg m-2 s-1 | total_column_source_of_hydrophobic_organic_matter_aerosol | aersrcomhphob | 215049 | X | Only available from 26 June 2018 12UTC | ||
Source/gain of sea salt aerosol (0.03 - 0.5 um) | kg m-2 s-1 | total_column_source_of_sea_salt_aerosol_0.03-0.5um | aersrcsss | 215001 | X | Only available from 26 June 2018 12UTC | ||
Source/gain of sea salt aerosol (0.5 - 5 um) | kg m-2 s-1 | total_column_source_of_sea_salt_aerosol_0.5-5um | aersrcssm | 215002 | X | Only available from 26 June 2018 12UTC | ||
Source/gain of sea salt aerosol (5 - 20 um) | kg m-2 s-1 | total_column_source_of_sea_salt_aerosol_5-20um | aersrcssl | 215003 | X | Only available from 26 June 2018 12UTC | ||
Source/gain of sulphate aerosol | kg m-2 s-1 | total_column_source_of_sulphate_aerosol | aersrcsu | 215081 | X | Only available from 26 June 2018 12UTC | ||
Total column stratospheric ozone | kg m-2 | total_column_stratospheric_ozone | tc_o3s | 218024 | X | X | Only available from 20 June 2017 00UTC | |
Total column supercooled liquid water | kg m-2 | total_column_supercooled_liquid_water | tcslw | 228088 | X | Only available from 21 June 2016 00UTC | ||
Total column terpenes | kg m-2 | total_column_terpenes | tc_c10h16 | 218049 | X | X | Only available from 06 October 2020 00UTC | |
Total column water | kg m-2 | total_column_water | tcw | 136 | X | X | ||
Total fine mode (r < 0.5 um) aerosol optical depth at 1020 nm | dimensionless | total_fine_mode_aerosol_optical_depth_1020nm | aodfm1020 | 215128 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 1064 nm | dimensionless | total_fine_mode_aerosol_optical_depth_1064nm | aodfm1064 | 215129 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 1240 nm | dimensionless | total_fine_mode_aerosol_optical_depth_1240nm | aodfm1240 | 215130 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 1640 nm | dimensionless | total_fine_mode_aerosol_optical_depth_1640nm | aodfm1640 | 215131 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 2130 nm | dimensionless | total_fine_mode_aerosol_optical_depth_2130nm | aodfm2130 | 215177 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 340 nm | dimensionless | total_fine_mode_aerosol_optical_depth_340nm | aodfm340 | 215114 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 355 nm | dimensionless | total_fine_mode_aerosol_optical_depth_355nm | aodfm355 | 215115 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 380 nm | dimensionless | total_fine_mode_aerosol_optical_depth_380nm | aodfm380 | 215116 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 400 nm | dimensionless | total_fine_mode_aerosol_optical_depth_400nm | aodfm400 | 215117 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 440 nm | dimensionless | total_fine_mode_aerosol_optical_depth_440nm | aodfm440 | 215118 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 469 nm | dimensionless | total_fine_mode_aerosol_optical_depth_469nm | aodfm469 | 215119 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 500 nm | dimensionless | total_fine_mode_aerosol_optical_depth_500nm | aodfm500 | 215120 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 532 nm | dimensionless | total_fine_mode_aerosol_optical_depth_532nm | aodfm532 | 215121 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 550 nm | dimensionless | total_fine_mode_aerosol_optical_depth_550nm | aodfm550 | 215122 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 645 nm | dimensionless | total_fine_mode_aerosol_optical_depth_645nm | aodfm645 | 215123 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 670 nm | dimensionless | total_fine_mode_aerosol_optical_depth_670nm | aodfm670 | 215124 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 800 nm | dimensionless | total_fine_mode_aerosol_optical_depth_800nm | aodfm800 | 215125 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 858 nm | dimensionless | total_fine_mode_aerosol_optical_depth_858nm | aodfm858 | 215126 | X | X | Only available from 26 June 2018 12UTC | |
Total fine mode (r < 0.5 um) aerosol optical depth at 865 nm | dimensionless | total_fine_mode_aerosol_optical_depth_865nm | aodfm865 | 215127 | X | X | Only available from 26 June 2018 12UTC | |
Total precipitation | m | total_precipitation | tp | 228 | X | X | ||
Total sky direct solar radiation at surface | J m-2 | total_sky_direct_solar_radiation_at_surface | fdir | 228021 | X | |||
Vertically integrated mass of ammonium aerosol | kg m-2 | vertically_integrated_mass_of_ammonium_aerosol | aermssam | 215211 | X | X | Only available from 9 July 2019 00UTC | |
Vertically integrated mass of coarse-mode nitrate aerosol | kg m-2 | vertically_integrated_mass_of_coarse_mode_nitrate_aerosol | aermssnic | 215202 | X | X | Only available from 9 July 2019 00UTC | |
Vertically integrated mass of dust aerosol (0.03 - 0.55 um) | kg m-2 | vertically_integrated_mass_of_dust_aerosol_0.03-0.55um | aermssdus | 215043 | X | X | Only available from 26 September 2017 00UTC | |
Vertically integrated mass of dust aerosol (0.55 - 9 um) | kg m-2 | vertically_integrated_mass_of_dust_aerosol_0.55-9um | aermssdum | 215044 | X | X | Only available from 26 September 2017 00UTC | |
Vertically integrated mass of dust aerosol (9 - 20 um) | kg m-2 | vertically_integrated_mass_of_dust_aerosol_9-20um | aermssdul | 215045 | X | X | Only available from 26 September 2017 00UTC | |
Vertically integrated mass of fine-mode nitrate aerosol | kg m-2 | vertically_integrated_mass_of_fine_mode_nitrate_aerosol | aermssnif | 215201 | X | X | Only available from 9 July 2019 00UTC | |
Vertically integrated mass of hydrophilic black carbon aerosol | kg m-2 | vertically_integrated_mass_of_hydrophilic_black_carbon_aerosol | aermssbchphil | 215078 | X | X | Only available from 26 September 2017 00UTC | |
Vertically integrated mass of hydrophilic organic matter aerosol | kg m-2 | vertically_integrated_mass_of_hydrophilic_organic_matter_aerosol | aermssomhphil | 215062 | X | X | Only available from 26 September 2017 00UTC | |
Vertically integrated mass of hydrophobic black carbon aerosol | kg m-2 | vertically_integrated_mass_of_hydrophobic_black_carbon_aerosol | aermssbchphob | 215077 | X | X | Only available from 26 September 2017 00UTC | |
Vertically integrated mass of hydrophobic organic matter aerosol | kg m-2 | vertically_integrated_mass_of_hydrophobic_organic_matter_aerosol | aermssomhphob | 215061 | X | X | Only available from 26 September 2017 00UTC | |
Vertically integrated mass of sea salt aerosol (0.03 - 0.5 um) | kg m-2 | vertically_integrated_mass_of_sea_salt_aerosol_0.03-0.5um | aermsssss | 215019 | X | X | Only available from 26 September 2017 00UTC | |
Vertically integrated mass of sea salt aerosol (0.5 - 5 um) | kg m-2 | vertically_integrated_mass_of_sea_salt_aerosol_0.5-5um | aermssssm | 215020 | X | X | Only available from 26 September 2017 00UTC | |
Vertically integrated mass of sea salt aerosol (5 - 20 um) | kg m-2 | vertically_integrated_mass_of_sea_salt_aerosol_5-20um | aermssssl | 215021 | X | X | Only available from 26 September 2017 00UTC | |
Vertically integrated mass of sulphate aerosol | kg m-2 | vertically_integrated_mass_of_sulphate_aerosol | aermsssu | 215087 | X | X | Only available from 26 September 2017 00UTC | |
Vertically integrated moisture divergence | kg m-2 | vertically_integrated_moisture_divergence | vimd | 213 | X | Only available from 21 June 2016 00UTC | ||
Visibility | m | visibility | vis | 3020 | X | Only available from 21 June 2016 00UTC | ||
Wet deposition of ammonium aerosol by convective precipitation | kg m-2 s-1 | wet_deposition_of_ammonium_aerosol_by_convective_precipitation | aerwdcam | 215209 | X | Only available from 9 July 2019 00UTC | ||
Wet deposition of ammonium aerosol by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_ammonium_aerosol_by_large_scale_precipitation | aerwdlam | 215208 | X | Only available from 9 July 2019 00UTC | ||
Wet deposition of coarse-mode nitrate aerosol by convective precipitation | kg m-2 s-1 | wet_deposition_of_coarse_mode_nitrate_aerosol_by_convective_precipitation | aerwdcnic | 215198 | X | Only available from 9 July 2019 00UTC | ||
Wet deposition of coarse-mode nitrate aerosol by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_coarse_mode_nitrate_aerosol_by_large_scale_precipitation | aerwdlnic | 215196 | X | Only available from 9 July 2019 00UTC | ||
Wet deposition of dust aerosol (0.03 - 0.55 um) by convective precipitation | kg m-2 s-1 | wet_deposition_of_dust_aerosol_0.03-0.55um_by_convective_precipitation | aerwdccdus | 215037 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of dust aerosol (0.03 - 0.55 um) by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_dust_aerosol_0.03-0.55um_by_large_scale_precipitation | aerwdlsdus | 215034 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of dust aerosol (0.55 - 9 um) by convective precipitation | kg m-2 s-1 | wet_deposition_of_dust_aerosol_0.55-9um_by_convective_precipitation | aerwdccdum | 215038 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of dust aerosol (0.55 - 9 um) by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_dust_aerosol_0.55-9um_by_large_scale_precipitation | aerwdlsdum | 215035 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of dust aerosol (9 - 20 um) by convective precipitation | kg m-2 s-1 | wet_deposition_of_dust_aerosol_9-20um_by_convective_precipitation | aerwdccdul | 215039 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of dust aerosol (9 - 20 um) by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_dust_aerosol_9-20um_by_large_scale_precipitation | aerwdlsdul | 215036 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of fine-mode nitrate aerosol by convective precipitation | kg m-2 s-1 | wet_deposition_of_fine_mode_nitrate_aerosol_by_convective_precipitation | aerwdcnif | 215197 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of fine-mode nitrate aerosol by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_fine_mode_nitrate_aerosol_by_large_scale_precipitation | aerwdlnif | 215195 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of hydrophilic black carbon aerosol by convective precipitation | kg m-2 s-1 | wet_deposition_of_hydrophilic_black_carbon_aerosol_by_convective_precipitation | aerwdccbchphil | 215074 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of hydrophilic black carbon aerosol by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_hydrophilic_black_carbon_aerosol_by_large_scale_precipitation | aerwdlsbchphil | 215072 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of hydrophilic organic matter aerosol by convective precipitation | kg m-2 s-1 | wet_deposition_of_hydrophilic_organic_matter_aerosol_by_convective_precipitation | aerwdccomhphil | 215058 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of hydrophilic organic matter aerosol by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_hydrophilic_organic_matter_aerosol_by_large_scale_precipitation | aerwdlsomhphil | 215056 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of hydrophobic black carbon aerosol by convective precipitation | kg m-2 s-1 | wet_deposition_of_hydrophobic_black_carbon_aerosol_by_convective_precipitation | aerwdccbchphob | 215073 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of hydrophobic black carbon aerosol by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_hydrophobic_black_carbon_aerosol_by_large_scale_precipitation | aerwdlsbchphob | 215071 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of hydrophobic organic matter aerosol by convective precipitation | kg m-2 s-1 | wet_deposition_of_hydrophobic_organic_matter_aerosol_by_convective_precipitation | aerwdccomhphob | 215057 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of hydrophobic organic matter aerosol by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_hydrophobic_organic_matter_aerosol_by_large_scale_precipitation | aerwdlsomhphob | 215055 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of sea salt aerosol (0.03 - 0.5 um) by convective precipitation | kg m-2 s-1 | wet_deposition_of_sea_salt_aerosol_0.03-0.5um_by_convective_precipitation | aerwdccsss | 215013 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of sea salt aerosol (0.03 - 0.5 um) by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_sea_salt_aerosol_0.03-0.5um_by_large_scale_precipitation | aerwdlssss | 215010 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of sea salt aerosol (0.5 - 5 um) by convective precipitation | kg m-2 s-1 | wet_deposition_of_sea_salt_aerosol_0.5-5um_by_convective_precipitation | aerwdccssm | 215014 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of sea salt aerosol (0.5 - 5 um) by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_sea_salt_aerosol_0.5-5um_by_large_scale_precipitation | aerwdlsssm | 215011 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of sea salt aerosol (5 - 20 um) by convective precipitation | kg m-2 s-1 | wet_deposition_of_sea_salt_aerosol_5-20um_by_convective_precipitation | aerwdccssl | 215015 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of sea salt aerosol (5 - 20 um) by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_sea_salt_aerosol_5-20um_by_large_scale_precipitation | aerwdlsssl | 215012 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of sulphate aerosol by convective precipitation | kg m-2 s-1 | wet_deposition_of_sulphate_aerosol_by_convective_precipitation | aerwdccsu | 215085 | X | Only available from 26 June 2018 12UTC | ||
Wet deposition of sulphate aerosol by large-scale precipitation | kg m-2 s-1 | wet_deposition_of_sulphate_aerosol_by_large_scale_precipitation | aerwdlssu | 215084 | X | Only available from 26 June 2018 12UTC |
Table 3: Multi-level Fast access parameters (last reviewed on )
Name | Units | Variable name in CDS API | Shortname | Param ID | Access type | fc | an | Note |
Ammonium aerosol mass mixing ratio | kg kg-1 | ammonium_aerosol_mass_mixing_ratio | aermr18 | 210249 | Fast access | X | X | |
Carbon monoxide | kg kg-1 | carbon_monoxide | co | 210123 | Fast access | X | X | |
Dust Aerosol (0.03 - 0.55 um) Mixing Ratio | kg kg-1 | dust_aerosol_0.03-0.55um_mixing_ratio | aermr04 | 210004 | Fast access | X | X | |
Dust Aerosol (0.55 - 0.9 um) Mixing Ratio | kg kg-1 | dust_aerosol_0.55-0.9um_mixing_ratio | aermr05 | 210005 | Fast access | X | X | |
Dust Aerosol (0.9 - 20 um) Mixing Ratio | kg kg-1 | dust_aerosol_0.9-20um_mixing_ratio | aermr06 | 210006 | Fast access | X | X | |
Ethane | kg kg-1 | ethane | c2h6 | 217045 | Fast access | X | X | |
Formaldehyde | kg kg-1 | formaldehyde | hcho | 210124 | Fast access | X | X | |
Hydrogen peroxide | kg kg-1 | hydrogen_peroxide | h2o2 | 217003 | Fast access | X | X | |
Hydrophilic Black Carbon Aerosol Mixing Ratio | kg kg-1 | hydrophilic_black_carbon_aerosol_mixing_ratio | aermr09 | 210009 | Fast access | X | X | |
Hydrophilic Organic Matter Aerosol Mixing Ratio | kg kg-1 | hydrophilic_organic_matter_aerosol_mixing_ratio | aermr07 | 210007 | Fast access | X | X | |
Hydrophobic Black Carbon Aerosol Mixing Ratio | kg kg-1 | hydrophobic_black_carbon_aerosol_mixing_ratio | aermr10 | 210010 | Fast access | X | X | |
Hydrophobic Organic Matter Aerosol Mixing Ratio | kg kg-1 | hydrophobic_organic_matter_aerosol_mixing_ratio | aermr08 | 210008 | Fast access | X | X | |
Hydroxyl radical | kg kg-1 | hydroxyl_radical | oh | 217030 | Fast access | X | X | |
Isoprene | kg kg-1 | isoprene | c5h8 | 217016 | Fast access | X | X | |
Methane | kg kg-1 | methane | ch4_c | 217004 | Fast access | X | X | |
Nitrate coarse mode aerosol mass mixing ratio | kg kg-1 | nitrate_coarse_mode_aerosol_mass_mixing_ratio | aermr17 | 210248 | Fast access | X | X | |
Nitrate fine mode aerosol mass mixing ratio | kg kg-1 | nitrate_fine_mode_aerosol_mass_mixing_ratio | aermr16 | 210247 | Fast access | X | X | |
Nitric acid | kg kg-1 | nitric_acid | hno3 | 217006 | Fast access | X | X | |
Nitrogen dioxide | kg kg-1 | nitrogen_dioxide | no2 | 210121 | Fast access | X | X | |
Nitrogen monoxide | kg kg-1 | nitrogen_monoxide | no | 217027 | Fast access | X | X | |
Ozone | kg kg-1 | ozone | go3 | 210203 | Fast access | X | X | |
Peroxyacetyl nitrate | kg kg-1 | peroxyacetyl_nitrate | pan | 217013 | Fast access | X | X | |
Propane | kg kg-1 | propane | c3h8 | 217047 | Fast access | X | X | |
Sea Salt Aerosol (0.03 - 0.5 um) Mixing Ratio | kg kg-1 | sea_salt_aerosol_0.03-0.5um_mixing_ratio | aermr01 | 210001 | Fast access | X | X | |
Sea Salt Aerosol (0.5 - 5 um) Mixing Ratio | kg kg-1 | sea_salt_aerosol_0.5-5um_mixing_ratio | aermr02 | 210002 | Fast access | X | X | |
Sea Salt Aerosol (5 - 20 um) Mixing Ratio | kg kg-1 | sea_salt_aerosol_5-20um_mixing_ratio | aermr03 | 210003 | Fast access | X | X | |
Specific humidity | kg kg-1 | specific_humidity | q | 133 | Fast access | X | X | |
Sulphate Aerosol Mixing Ratio | kg kg-1 | sulphate_aerosol_mixing_ratio | aermr11 | 210011 | Fast access | X | X | |
Sulphur dioxide | kg kg-1 | sulphur_dioxide | so2 | 210122 | Fast access | X | X | |
Temperature | K | temperature | t | 130 | Fast access | X | X | |
U component of wind | m s-1 | u_component_of_wind | u | 131 | Fast access | X | X | |
V component of wind | m s-1 | v_component_of_wind | v | 132 | Fast access | X | X |
Table 4: Multi-level Slow access parameters (last reviewed on )
Name | Units | Variable name in CDS API | Shortname | Param ID | Access type | fc | an | Note |
Acetone | kg kg-1 | acetone | ch3coch3 | 217052 | X | X | ||
Acetone product | kg kg-1 | acetone_product | aco2 | 217053 | X | X | ||
Aerosol extinction coefficient at 1064 nm | m-1 | aerosol_extinction_coefficient_1064nm | aerext1064 | 215182 | X | Only available from 26 September 2017 00UTC | ||
Aerosol extinction coefficient at 355 nm | m-1 | aerosol_extinction_coefficient_355nm | aerext355 | 215180 | X | Only available from 26 September 2017 00UTC | ||
Aerosol extinction coefficient at 532 nm | m-1 | aerosol_extinction_coefficient_532nm | aerext532 | 215181 | X | Only available from 26 September 2017 00UTC | ||
Aldehydes | kg kg-1 | aldehydes | ald2 | 217012 | X | X | ||
Amine | kg kg-1 | amine | nh2 | 217040 | X | X | ||
Ammonia | kg kg-1 | ammonia | nh3 | 217019 | X | X | ||
Ammonium | kg kg-1 | ammonium | nh4 | 217021 | X | X | ||
Aerosol backscatter coefficient at 1064 nm (from ground) | m-1 sr-1 | attenuated_backscatter_due_to_aerosol_1064nm_from_ground | aerbackscatgnd1064 | 215188 | X | Only available from 26 September 2017 00UTC | ||
Aerosol backscatter coefficient at 1064 nm (from top of atmosphere) | m-1 sr-1 | attenuated_backscatter_due_to_aerosol_1064nm_from_top_of_atmosphere | aerbackscattoa1064 | 215185 | X | Only available from 26 September 2017 00UTC | ||
Aerosol backscatter coefficient at 355 nm (from ground) | m-1 sr-1 | attenuated_backscatter_due_to_aerosol_355nm_from_ground | aerbackscatgnd355 | 215186 | X | Only available from 26 September 2017 00UTC | ||
Aerosol backscatter coefficient at 355 nm (from top of atmosphere) | m-1 sr-1 | attenuated_backscatter_due_to_aerosol_355nm_from_top_of_atmosphere | aerbackscattoa355 | 215183 | X | Only available from 26 September 2017 00UTC | ||
Aerosol backscatter coefficient at 532 nm (from ground) | m-1 sr-1 | attenuated_backscatter_due_to_aerosol_532nm_from_ground | aerbackscatgnd532 | 215187 | X | Only available from 26 September 2017 00UTC | ||
Aerosol backscatter coefficient at 532 nm (from top of atmosphere) | m-1 sr-1 | attenuated_backscatter_due_to_aerosol_532nm_from_top_of_atmosphere | aerbackscattoa532 | 215184 | X | Only available from 26 September 2017 00UTC | ||
Dimethyl sulfide | kg kg-1 | dimethyl_sulfide | dms | 217018 | X | X | ||
Dinitrogen pentoxide | kg kg-1 | dinitrogen_pentoxide | n2o5 | 217033 | X | X | ||
Ethanol | kg kg-1 | ethanol | c2h5oh | 217046 | X | X | ||
Ethene | kg kg-1 | ethene | c2h4 | 217010 | X | X | ||
Formic acid | kg kg-1 | formic_acid | hcooh | 217043 | X | X | ||
Fraction of cloud cover | (0 - 1) | fraction_of_cloud_cover | cc | 248 | X | X | ||
Geopotential | m2 s-2 | geopotential | z | 129 | X | X | ||
Hydroperoxy radical | kg kg-1 | hydroperoxy_radical | ho2 | 217028 | X | X | ||
Lead | kg kg-1 | lead | pb | 217026 | X | X | ||
Methacrolein MVK | kg kg-1 | methacrolein_mvk | ispd | 217050 | X | |||
Methacrylic acid | kg kg-1 | methacrylic_acid | mcooh | 217044 | X | X | ||
Methane sulfonic acid | kg kg-1 | methane_sulfonic_acid | msa | 217022 | X | X | ||
Methanol | kg kg-1 | methanol | ch3oh | 217042 | X | X | ||
Methyl glyoxal | kg kg-1 | methyl_glyoxal | ch3cocho | 217023 | X | X | ||
Methyl peroxide | kg kg-1 | methyl_peroxide | ch3ooh | 217007 | X | X | ||
Methylperoxy radical | kg kg-1 | methylperoxy_radical | ch3o2 | 217029 | X | X | ||
Nitrate | kg kg-1 | nitrate | no3_a | 217051 | X | X | ||
Nitrate radical | kg kg-1 | nitrate_radical | no3 | 217032 | X | X | ||
Olefins | kg kg-1 | olefins | ole | 217011 | X | X | ||
Organic ethers | kg kg-1 | organic_ethers | ror | 217036 | X | X | ||
Organic nitrates | kg kg-1 | organic_nitrates | onit | 217015 | X | X | ||
Paraffins | kg kg-1 | paraffins | par | 217009 | X | X | ||
Pernitric acid | kg kg-1 | pernitric_acid | ho2no2 | 217034 | X | X | ||
Peroxides | kg kg-1 | peroxides | rooh | 217014 | X | X | ||
Peroxy acetyl radical | kg kg-1 | peroxy_acetyl_radical | c2o3 | 217035 | X | X | ||
Potential vorticity | K m2 kg-1 s-1 | potential_vorticity | pv | 60 | X | X | ||
Propene | kg kg-1 | propene | c3h6 | 217048 | X | X | ||
Radon | kg kg-1 | radon | ra | 210181 | X | X | ||
Relative humidity | % | relative_humidity | r | 157 | X | X | ||
Specific cloud ice water content | kg kg-1 | specific_cloud_ice_water_content | ciwc | 247 | X | X | ||
Specific cloud liquid water content | kg kg-1 | specific_cloud_liquid_water_content | clwc | 246 | X | X | ||
Specific rain water content | kg kg-1 | specific_rain_water_content | crwc | 75 | X | X | ||
Specific snow water content | kg kg-1 | specific_snow_water_content | cswc | 76 | X | X | ||
Stratospheric ozone | kg kg-1 | stratospheric_ozone_tracer | o3s | 217024 | X | X | ||
Terpenes | kg kg-1 | terpenes | c10h16 | 217049 | X | X | ||
Vertical velocity | Pa s-1 | vertical_velocity | 135 | X | X |
Satellite observations
Satellite observations are used by CAMS to constrain the global forecast model, ensuring the forecasts are as accurate as possible. The process of merging the numerical forecast model with the observations is called data assimilation.
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Known issues
Issue type | Description | Cycle | Note |
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High SO2 values over north-eastern Brazil | High SO2 values over north-eastern Brazil on 18 January 2020 and 16 June 2020 at 06:00:00 are artificial and are due to the assimilation of some spurious satellite observations of SO2 in one of the datasets used by CAMS. | 47r1 | |
BC concentrations in the mid/upper troposphere tend to be too high | Some of the low background BC concentrations in the mid/upper troposphere tend to be too high as an artefact of the data assimilation as it improves the total AOD. (They're still very low compared to polluted areas, but can be somewhat higher than they should.) This aspect of the impact of data assimilation on aerosol speciation is something that we're continuing to look into. (The accompanying "control run", a model-only product with no AOD assimilation, can often has a more realistic speciation and vertical profile in this regard, but at the cost of a poorer agreement with observations of total AOD.) | 47r1 or 46r1 | |
Dust emissions are too high in cycle 46r1 | See details here: Dust emissions are too high in Cycle 46r1 | 46r1 |
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