HDF5 file, superblock version 0
group /
	attribute Conventions = "CF 1.7, ACDD 1.3, ISO 8601"
	attribute Metadata_Conventions = "Climate and Forecast (CF) 1.7, Attribute Convention for Data Discovery (ACDD) 1.3"
	attribute __eo_Metadata_Conventions = "Unidata Dataset Discovery v1.0"
	attribute __eo_acknowledgement = "Please acknowledge the use of these data with the following statement: These data were obtained from the ESA-IFREMER-ODL SMOS Wind NRT Data Service project"
	attribute __eo_band = "L"
	attribute __eo_creator_email = "nreul@ifremer.fr, joseph.tenerelli@oceandatalab.com"
	attribute __eo_creator_institution = "IFREMER, ODL"
	attribute __eo_creator_name = "Nicolas Reul, Joseph Tenerelli"
	attribute __eo_creator_url = "http://www.ifremer.fr/, http://www.oceandatalab.com"
	attribute __eo_date_created = "20210716T030755Z"
	attribute __eo_date_issued = "20210716T030755Z"
	attribute __eo_date_modified = "20210716T030755Z"
	attribute __eo_featureType = "grid"
	attribute __eo_format_version = "SMOS Wind v01.0"
	attribute __eo_geospatial_bounds = "POLYGON ((-180 -90, -180 -90, 180 90, 180 90, -180 -90))"
	attribute __eo_geospatial_bounds_crs = "WGS84"
	attribute __eo_geospatial_bounds_vertical_crs = "EPSG:4326"
	attribute __eo_history = "file produced by IFREMER with SMOS Wind Data Service Processor v01.01"
	attribute __eo_institution = "Institut Francais de Recherche pour l'Exploitation de la mer, Ocean Data Lab, European Space Agency"
	attribute __eo_institution_abbreviation = "IFREMER/CERSAT, ODL, ESA"
	attribute __eo_keywords = "Oceans > Ocean Winds > Surface Winds"
	attribute __eo_keywords_vocabulary = "NASA Global Change Master Directory (GCMD) Science Keywords"
	attribute __eo_license = "SMOS Wind data use is free and open"
	attribute __eo_processing_level = "L2"
	attribute __eo_processing_software = "SMOS Wind Data Service (SWS) Processor v01.0"
	attribute __eo_product_version = "1.00"
	attribute __eo_project = "SMOS Wind Data Service"
	attribute __eo_publisher_email = "cersat@ifremer.fr"
	attribute __eo_publisher_institution = "IFREMER/CERSAT"
	attribute __eo_publisher_name = "IFREMER/CERSAT"
	attribute __eo_publisher_url = "http://cersat.ifremer.fr"
	attribute __eo_references = "Reul Nicolas, Tenerelli Joseph, Chapron Bertrand, Vandemark Doug, Quilfen Yves, Kerr Yann (2012). SMOS satellite L-band radiometer: A new capability for ocean surface remote sensing in hurricanes. Journal Of Geophysical Research-oceans, 117. Publisher's official version : http://dx.doi.org/10.1029/2011JC007474 "
	attribute __eo_scientific_support_contact = "Nicolas Reul (nreul@ifremer.fr)"
	attribute __eo_summary = "Near-Real Time Surface Wind Speed from SMOS satellite and ancillary data on a 0.25 degree resolution grid"
	attribute __eo_technical_support_contact = "CERSAT (cersat@ifremer.fr)"
	attribute __eo_title = "SMOS Wind Data Service (SWS) product"
	attribute __eo_uuid = "5042850427259732711976602203233782400938142372"
	attribute acknowledgement = "Please acknowledge the use of these data with the following statement: these data were produced by the Centre de Recherche et d'Exploitation Satellitaire (CERSAT), at IFREMER, Plouzane (France) for ESA funded project MAXSS (Marine Atmosphere eXtreme Satellite Synergy)"
	attribute cdm_data_type = "grid"
	attribute citation = "Piolle, J-F, Reul, N, De Boyer, C, Ifremer / CERSAT. 2023. Atlas of multi-source earth observations over polar lows for the time period 2010-2020 (v1.0) for ESA Marine Atmosphere eXtreme Satellite Synergy project (MAXSS). Ver. 1.0. Ifremer, Plouzane, France. https://doi.org/10.12770/023b9fe2-7e79-41a3-b87b-51b031a23507Dataset accessed [YYYY-MM-DD]."
	attribute contact = "Jean-François Piollé <jfpiolle@ifremer.fr>"
	attribute contributor_name = "European Space Agency (ESA)"
	attribute contributor_role = "funding"
	attribute creator_email = "cersat@ifremer.fr"
	attribute creator_institution = "Ifremer / CERSAT"
	attribute creator_name = "CERSAT"
	attribute creator_type = "institution"
	attribute creator_url = "http://cersat.ifremer.fr"
	attribute date_created = "2023-07-17T10:10:34"
	attribute date_issued = "2023-07-17T10:10:34"
	attribute date_modified = "2023-07-17T10:10:34"
	attribute doi = "https://doi.org/10.12770/023b9fe2-7e79-41a3-b87b-51b031a23507"
	attribute eo_dataset_id = "SMOS-L2-ICM"
	attribute eo_dataset_reference = "Portabella, M, ICM / CISC. 2023. Global extreme-wind intercalibrated scatterometer and radiometer level 2 dataset for the time period 2009-2020 (v1.0) for ESA Marine Atmosphere eXtreme Satellite Synergy project (MAXSS). Ver. 1.0. Ifremer, Plouzane, France. Dataset accessed [YYYY-MM-DD]."
	attribute format_version = "MAXSS 1.0"
	attribute geospatial_bounds = "POLYGON ((10 58.5, 10 69.5, -1.5 69.5, -1.5 58.5, 10 58.5))"
	attribute geospatial_bounds_crs = "EPSG:4326"
	attribute geospatial_bounds_vertical_crs = "EPSG:5831"
	attribute geospatial_lat_max = 69.5
	attribute geospatial_lat_min = 58.5
	attribute geospatial_lat_resolution = "0.25"
	attribute geospatial_lat_units = "degrees"
	attribute geospatial_lon_max = 10.0
	attribute geospatial_lon_min = -1.5
	attribute geospatial_lon_resolution = "0.25"
	attribute geospatial_lon_units = "degrees"
	attribute geospatial_vertical_max = "10"
	attribute geospatial_vertical_min = "10"
	attribute geospatial_vertical_positive = "up"
	attribute geospatial_vertical_units = "meters above mean sea level"
	attribute history = "2023-07-17T10:10:34: Initial creation"
	attribute id = "MAXSS-ATLAS-PL-v1.0"
	attribute institution = "Institut Francais de Recherche pour l'Exploitation de la mer / Centre d'Exploitation et de Recherche Satellitaire"
	attribute institution_abbreviation = "Ifremer / CERSAT"
	attribute instrument = "MIRAS"
	attribute instrument_type = "microwave_radiometer"
	attribute instrument_vocabulary = "CEOS"
	attribute keywords = "EARTH SCIENCE> ATMOSPHERE> WEATHER EVENTS> EXTRATROPICAL CYCLONES> EXTRATROPICAL CYCLONE TRACK, EARTH SCIENCE> ATMOSPHERE> WEATHER EVENTS> EXTRATROPICAL CYCLONES, EARTH SCIENCE> OCEANS> OCEAN WINDS> SURFACE WINDS> WIND SPEED, EARTH SCIENCE> OCEANS> OCEAN WINDS> SURFACE WINDS> WIND DIRECTION, OCEANS > OCEAN WINDS > SURFACE WINDS"
	attribute keywords_vocabulary = "NASA Global Change Master Directory (GCMD) Science Keywords"
	attribute license = "CC-BY (Creative Commons - Attribution)"
	attribute metadata_link = "https://www.maxss.org/Products/MAXSS-Product-Catalogue#/metadata/6c56bcde-050f-42eb-92b8-8e882e1f4db9"
	attribute naming_authority = "fr.ifremer.cersat"
	attribute netcdf_version_id = "4.6.1 of May 22 2021 00:40:54 $"
	attribute platform = "SMOS"
	attribute platform_type = "low earth orbit satellite"
	attribute platform_vocabulary = "CEOS"
	attribute processing_software = "MAXSS Processor v1.0"
	attribute product_version = "1.0"
	attribute program = "ESA / eo science for society"
	attribute project = "ESA / Marine Atmosphere eXtreme Satellite Synergy (MAXSS)"
	attribute publisher_institution = "Ifremer / CERSAT"
	attribute publisher_name = "CERSAT"
	attribute publisher_url = "http://cersat.ifremer.fr"
	attribute references = "Product User Manual for the Multi-Sensor Storm Atlas by ESA MAXSS Project, version 1.0, www.maxss.org"
	attribute scientific_support_contact = "jfpiolle@ifremer.fr"
	attribute search_radius_from_storm_center_in_km = 500.0
	attribute source = "MAXSS Processor v1.0"
	attribute source_version = "1.0.0"
	attribute spatial_resolution = "25 km"
	attribute standard_name_vocabulary = "NetCDF Climate and Forecast (CF) Metadata Convention"
	attribute storm_atcf_name = ""
	attribute storm_basin = "Arctic"
	attribute storm_id = "rojo143.e"
	attribute storm_name = "rojo143.e"
	attribute storm_source = "Rojo et al (2019)"
	attribute summary = "data extracted from SMOS-L2-ICM dataset for MAXSS Storm Atlas version 1"
	attribute technical_support_contact = "cersat@ifremer.fr"
	attribute time_coverage_end = "2010-12-06T04:39:50"
	attribute time_coverage_resolution = "P1D"
	attribute time_coverage_start = "2010-12-05T18:50:37"
	attribute time_window_after_storm_passage_in_hours = 2
	attribute time_window_before_storm_passage_in_hours = 2
	attribute title = "Atlas of multi-source earth observations over polar lows for the time period 2010-2020 (v1.0) for ESA Marine Atmosphere eXtreme Satellite Synergy project (MAXSS)"
	attribute uuid = "c46a1859-ea9d-4887-8db2-5fe7a318d3e4"
dataset /__eo_across_track_distance: float32, shape (2, 41, 41)
	attribute _FillValue = -999.0
	attribute coordinates = "__eo_lat __eo_lon"
	attribute coverage_content_type = "physicalMeasurement"
	attribute long_name = "across track distance"
	attribute units = "km"
dataset /__eo_lat: float64, shape (2, 41)
	attribute _FillValue = 1.0000000200408773e+20
	attribute authority = "CF-1.7"
	attribute axis = "Y"
	attribute long_name = "latitude"
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
	attribute valid_max = 90.0
	attribute valid_min = -90.0
dataset /__eo_lon: float64, shape (2, 41)
	attribute _FillValue = 1.0000000200408773e+20
	attribute axis = "X"
	attribute standard_name = "longitude"
	attribute valid_max = 180.0
	attribute valid_min = -180.0
dataset /__eo_quality_level: int8, shape (2, 41, 41)
	attribute _FillValue = -128
	attribute coordinates = "__eo_lat __eo_lon"
	attribute coverage_content_type = "qualityInformation"
	attribute flag_meanings = "good fair poor"
	attribute flag_values = 0, 1, 2
	attribute long_name = "retrieved wind speed quality level"
dataset /__eo_time: float32, shape (2, 41, 41)
	attribute _FillValue = 1.00000002e+20
	attribute authority = "CF-1.7"
	attribute axis = "T"
	attribute calendar = "proleptic_gregorian"
	attribute coordinates = "__eo_lat __eo_lon"
	attribute coverage_content_type = "auxiliaryMeasurement"
	attribute long_name = "satellite measurement time"
	attribute standard_name = "time"
	attribute units = "seconds since 1981-01-01"
dataset /__eo_wind_speed: float32, shape (2, 41, 41)
	attribute _FillValue = -999.0
	attribute authority = "CF-1.7"
	attribute coordinates = "__eo_lat __eo_lon"
	attribute coverage_content_type = "physicalMeasurement"
	attribute long_name = "retrieved wind speed"
	attribute standard_name = "wind_speed"
	attribute units = "m s-1"
dataset /__eo_wind_speed_error: float32, shape (2, 41, 41)
	attribute _FillValue = -999.0
	attribute coordinates = "__eo_lat __eo_lon"
	attribute coverage_content_type = "qualityInformation"
	attribute long_name = "wind speed error"
	attribute units = "m s-1"
dataset /__track_lat: float64, shape (4)
	attribute _FillValue = 1e+20
	attribute axis = "Y"
	attribute comment = "geographical coordinates, WGS84 projection"
	attribute coordinates = "__track_time"
	attribute long_name = "latitude"
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
	attribute valid_range = -90.0, 90.0
dataset /__track_lon: float64, shape (4)
	attribute _FillValue = 1e+20
	attribute axis = "X"
	attribute comment = "geographical coordinates, WGS84 projection"
	attribute coordinates = "__track_time"
	attribute long_name = "longitude"
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
	attribute valid_range = -180.0, 180.0
dataset /__track_time: int64, shape (4)
	attribute axis = "T"
	attribute calendar = "proleptic_gregorian"
	attribute long_name = "time"
	attribute standard_name = "time"
	attribute units = "seconds since 1981-01-01"
dataset /data_files: string(1), shape (2, 63)
	attribute long_name = "indices of the extracted subset in original file (e.g. {\"lat\": slice(276, 448, None), \"lon\": slice(1069, 1352, None)})"
dataset /data_files_slices: string(1), shape (2, 60)
	attribute long_name = "slices in source file of the extracted EO data"
dataset /data_spatial_mask: int8, shape (2, 41, 41)
	attribute comment = "Points which are out of the storm path (colocation radius left and right from the storm track) have a mask value equal to 0. Points out of the colocation radius around the closest track point in time have a mask value equal to 1. Points within the colocation radius around the closest track point in time have a mask value equal to 2."
	attribute coordinates = "__eo_lat __eo_lon"
	attribute flag_meanings = "out_of_storm_path out_of_colocated_storm_radius within_colocated_storm_radius"
	attribute flag_values = 0, 1, 2
	attribute long_name = "selection mask over the data stack at a given track location and time with respect to the colocation radius"
dataset /lat: float32, shape (41)
dataset /lon: float32, shape (41)
dataset /nearest_track_lat: float64, shape (2)
	attribute _FillValue = 1e+20
	attribute axis = "Y"
	attribute long_name = "nearest track point latitude to the satellite pass"
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
dataset /nearest_track_lon: float64, shape (2)
	attribute _FillValue = 1e+20
	attribute axis = "X"
	attribute long_name = "nearest track point longitude to the satellite pass"
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
dataset /nearest_track_time: int64, shape (2)
	attribute axis = "T"
	attribute calendar = "proleptic_gregorian"
	attribute long_name = "nearest track point time to the satellite pass"
	attribute standard_name = "time"
	attribute units = "seconds since 1981-01-01"
dataset /obs: float32, shape (2)
dataset /string60: float32, shape (60)
dataset /string63: float32, shape (63)
dataset /track_nearest_point_distance: float64, shape (2)
	attribute _FillValue = 1e+20
	attribute comment = "the nearest track point is defined as the one with the minimum time difference to the EO observations among the track points within the search radius"
	attribute long_name = "distance between the center of the EO data subset and the nearest track point, in meters"
	attribute units = "m"
dataset /track_nearest_point_indice: int64, shape (2)
	attribute comment = "the nearest track point is defined as the one with the minimum time difference to the EO observations among the track points within the search radius"
	attribute long_name = "indice in track of the closest point to the EO data subset"
dataset /track_nearest_point_time_difference: float64, shape (2)
	attribute _FillValue = 1e+20
	attribute comment = "the nearest track point is defined as the one with the minimum time difference to the EO observations among the track points within the search radius"
	attribute long_name = "time difference between the center of the EO data subset and the nearest track point, in seconds (EO time minus track time)"
	attribute units = "s"
dataset /track_time: float32, shape (4)