HDF5 file, superblock version 2
group /
	attribute Conventions = "CF-1.7"
	attribute acknowledgement = "The combined MW and NIR product was initiated and funded by the ESA Water_Vapour_cci project. The NIR retrieval was developed by Spectral Earth. The NIR data was processed and combined with the MW data by Brockmann Consult. NIR data is owned by Brockmann Consult and Spectral Earth."
	attribute cdm_data_type = "grid"
	attribute comment = "These data were produced in the frame of the Water Vapour ECV (Water_Vapour_cci) of the ESA Climate Change Initiative Extension (CCI+) Phase 1. They include CM SAF products over the ocean."
	attribute creator_email = "contact.cmsaf@dwd.de"
	attribute creator_name = "ESA Water_Vapour_cci; Brockmann Consult; DWD; EUMETSAT/CM SAF; Spectral Earth"
	attribute creator_url = "http://cci.esa.int/watervapour"
	attribute date_created = "2024-12-07 00:14:39 UTC"
	attribute filename = "ESACCI-WATERVAPOUR-L3S-TCWV-modis_terra_modis_aqua_cmsaf_hoaps-05deg-20150929-fv4.2.nc"
	attribute format_version = "CCI Data Standards v2.0"
	attribute geospatial_lat_max = "90.0"
	attribute geospatial_lat_min = "-90.0"
	attribute geospatial_lat_resolution = "0.5"
	attribute geospatial_lat_units = "degrees_north"
	attribute geospatial_lon_max = "180.0"
	attribute geospatial_lon_min = "-180.0"
	attribute geospatial_lon_resolution = "0.5"
	attribute geospatial_lon_units = "degrees_east"
	attribute geospatial_vertical_max = "0.0"
	attribute geospatial_vertical_min = "0.0"
	attribute history = "python nc_compliance_daily.py /hd3/yarn/local/usercache/olaf/appcache/application_1731522986298_205169/container_1731522986298_205169_01_000002/l3_tcwv_modis_terra-modis_aqua-cmsaf_hoaps_05deg_2015-09-29_2015-09-29.nc"
	attribute id = "10.5676/EUM_SAF_CM/COMBI/V001"
	attribute institution = "EUMETSAT/CM SAF"
	attribute key_variables = "tcwv"
	attribute keywords = "EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR,EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > PRECIPITABLE WATER"
	attribute keywords-vocabulary = "GCMD Science Keywords, Version 8.1"
	attribute license = "The CM SAF data are owned by EUMETSAT and are available to all users free of charge and with no conditions to use. If you wish to use these products, EUMETSATs copyright credit must be shown by displaying the words \"Copyright (c) ([release-year]) EUMETSAT\" under/in each of these SAF Products used in a project or shown in a publication or website. Please follow the citation guidelines given at [DOI landing-page] and also register as a user at http://cm-saf.eumetsat.int/ to receive latest information on CM SAF services and to get access to the CM SAF User Help Desk."
	attribute naming-authority = "EUMETSAT/CM SAF"
	attribute platform = "Environmental Satellite; Earth Observing System, Terra (AM-1); Defense Meteorological Satellite Program-F16; Defense Meteorological Satellite Program-F17; Defense Meteorological Satellite Program-F18"
	attribute product_version = "4.2"
	attribute project = "CM SAF"
	attribute publisher_email = "contact.cmsaf@dwd.de"
	attribute publisher_name = "EUMETSAT/CM SAF"
	attribute publisher_url = "http://cmsaf.eu"
	attribute references = "WV_cci D2.2: ATBD Part 1 - MERIS-MODIS-OLCI L2 Products, Issue 2.1, 21 January 2021; WV_cci D4.2: CRDP Issue 3.0, 11 August 2021 "
	attribute sensor = "Medium Resolution Imaging Spectrometer; Moderate-Resolution Imaging Spectroradiometer; Ocean and Land Colour Instrument; Special Sensor Microwave Imager/Sounder"
	attribute source = "Near-infrared Level 3 data (land, sea-ice and coast) from Brockmann Consult and Spectral Earth : microwave imager Level 3 data (ice-free ocean) from EUMETSAT CM SAF : combined NIR and MW data from Brockmann Consult and Spectral Earth : the combined product was funded by and generated within the ESA Water_Vapour_cci project"
	attribute spatial_resolution = "56km at Equator"
	attribute standard_name_vocabulary = "NetCDF Climate and Forecast (CF) Metadata Convention version 67"
	attribute summary = "This global TCWV data record makes use of the complementary spatial coverage of near infrared (NIR) and microwave imager (MW) observations: SSM/I observations were used to generate TCWV data over the global ice-free ocean while MERIS, MODIS and OLCI observations were used over land, coastal areas and sea-ice. The product covers the period 2002-2017 with daily and montlhy as well as 0.05° and 0.5° temporal and spatial resolutions, respectively."
	attribute time_coverage_duration = "P1D"
	attribute time_coverage_end = "20150929 23:59:59 UTC"
	attribute time_coverage_resolution = "P1D"
	attribute time_coverage_start = "20150929 00:00:00 UTC"
	attribute title = "Global Total Column of Water Vapour Product from Microwave and Near Infrared Imagers"
	attribute tracking_id = "3fbe16ac-b430-11ef-9384-f7d5a6b15542"
dataset /atmospheric_conditions_flag: int8, shape (1, 360, 720)
	attribute _FillValue = -128
	attribute flag_meanings = "NOT_CLASSIFIED CLEAR_OVER_LAND PARTLY_CLOUDY_OVER_LAND CLOUD_OVER_LAND HEAVY_PRECIP_OVER_OCEAN"
	attribute flag_values = 0, 1, 2, 3, 4
	attribute long_name = "Atmospheric conditions flag"
	attribute standard_name = "status_flag "
	attribute units = " "
	attribute valid_range = 0, 4
dataset /crs: int32, shape ()
	attribute comment = "A coordinate reference system (CRS) defines how the georeferenced spatial data relates to real locations on the Earth's surface "
	attribute i2m = "0.5,0.0,0.0,-0.5,-180.0,90.0"
	attribute long_name = "Coordinate Reference System "
	attribute wkt = (text block)
| GEOGCS["WGS84(DD)",
|   DATUM["WGS84",
|     SPHEROID["WGS84", 6378137.0, 298.257223563]],
|   PRIMEM["Greenwich", 0.0],
|   UNIT["degree", 0.017453292519943295],
|   AXIS["Geodetic longitude", EAST],
|   AXIS["Geodetic latitude", NORTH]]
dataset /lat: float32, shape (360)
	attribute axis = "Y"
	attribute bounds = "lat_bnds"
	attribute long_name = "Latitude"
	attribute reference_datum = "geographical coordinates, WGS84 projection"
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
	attribute valid_range = -90.0, 90.0
dataset /lat_bnds: float32, shape (360, 2)
	attribute comment = "Contains the northern and southern boundaries of the grid cells."
	attribute long_name = "Latitude cell boundaries"
	attribute reference_datum = "geographical coordinates, WGS84 projection"
	attribute valid_range = -90.0, 90.0
dataset /lon: float32, shape (720)
	attribute axis = "X"
	attribute bounds = "lon_bnds"
	attribute long_name = "Longitude"
	attribute reference_datum = "geographical coordinates, WGS84 projection"
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
	attribute valid_range = -180.0, 180.0
dataset /lon_bnds: float32, shape (720, 2)
	attribute comment = "Contains the eastern and western boundaries of the grid cells."
	attribute long_name = "Longitude cell boundaries"
	attribute reference_datum = "geographical coordinates, WGS84 projection"
	attribute valid_range = -180.0, 180.0
dataset /num_hours_tcwv: float32, shape (1, 360, 720)
	attribute _FillValue = nan
	attribute coordinates = "lat lon"
	attribute long_name = "Number of hours in day with a valid TCWV value in L3 grid cell"
	attribute units = " "
dataset /num_obs_CMSAF_HOAPS: int32, shape (1, 360, 720)
	attribute _FillValue = -1
	attribute coordinates = "lat lon"
	attribute long_name = "Number of Total Column of Water Vapour retrievals from sensor CMSAF_HOAPS contributing to L3 grid cell"
	attribute units = " "
dataset /num_obs_MODIS_AQUA: int32, shape (1, 360, 720)
	attribute _FillValue = -1
	attribute coordinates = "lat lon"
	attribute long_name = "Number of Total Column of Water Vapour retrievals from sensor MODIS_AQUA contributing to L3 grid cell"
	attribute units = " "
dataset /num_obs_MODIS_TERRA: int32, shape (1, 360, 720)
	attribute _FillValue = -1
	attribute coordinates = "lat lon"
	attribute long_name = "Number of Total Column of Water Vapour retrievals from sensor MODIS_TERRA contributing to L3 grid cell"
	attribute units = " "
dataset /nv: float32, shape (2)
dataset /stdv: float32, shape (1, 360, 720)
	attribute _FillValue = nan
	attribute long_name = "Standard deviation of Total Column of Water Vapour"
	attribute units = "kg/m2"
dataset /surface_type_flag: int8, shape (1, 360, 720)
	attribute _FillValue = -128
	attribute flag_meanings = "LAND OCEAN INLAND_WATER PERMANENT_WETLANDS SEA_ICE COAST PARTLY_SEA_ICE"
	attribute flag_values = 0, 1, 2, 3, 4, 5, 6
	attribute long_name = "Surface type flag"
	attribute standard_name = "status_flag "
	attribute units = " "
	attribute valid_range = 0, 6
dataset /tcwv: float32, shape (1, 360, 720)
	attribute _FillValue = nan
	attribute actual_range = 0.00999999978, 69.9400024
	attribute ancillary_variables = "stdv num_obs"
	attribute long_name = "Total Column of Water"
	attribute standard_name = "atmosphere_water_vapor_content "
	attribute units = "kg/m2"
	attribute valid_range = 0.0, 70.0
dataset /tcwv_err: float32, shape (1, 360, 720)
	attribute _FillValue = nan
	attribute long_name = "Average retrieval uncertainty"
	attribute units = "kg/m2"
dataset /tcwv_quality_flag: int8, shape (1, 360, 720)
	attribute _FillValue = -128
	attribute flag_meanings = "TCWV_OK HIGH_COST_FUNCTION_1 HIGH_COST_FUNCTION_2 TCWV_INVALID"
	attribute flag_values = 0, 1, 2, 3
	attribute long_name = "Quality flag of Total Column of Water Vapour"
	attribute standard_name = "status_flag "
	attribute units = " "
	attribute valid_range = 0, 3
dataset /tcwv_ran: float32, shape (1, 360, 720)
	attribute _FillValue = nan
	attribute long_name = "Propagated retrieval uncertainty"
	attribute units = "kg/m2"
dataset /time: int32, shape (1)
	attribute axis = "T"
	attribute bounds = "time_bnds"
	attribute calendar = "gregorian"
	attribute long_name = "Product dataset time given as days since 1970-01-01"
	attribute standard_name = "time"
	attribute units = "days since 1970-01-01"
dataset /time_bnds: int32, shape (1, 2)
	attribute comment = "Contains the start and end times for the time period the data represent."
	attribute long_name = "Time cell boundaries"