HDF5 file, superblock version 0
group /
	attribute Conventions = "CF-1.6"
	attribute acknowledgement = "AMSR2 AS-ECVs are produced by Remote Sensing Systems and sponsored by NASA. We are grateful to JAXA for AMSR2 source data."
	attribute approx_local_equatorial_crossing_time = "node_dimension 1 = 13:30h,  node_dimension 2 = 01:30h"
	attribute averaging_procedure = "each grid cell contains valid observation from most recent orbit. observations from different orbits are not averaged"
	attribute cdm_data_type = "grid"
	attribute creator_email = "support@remss.com"
	attribute creator_name = "Frank Wentz, Thomas Meissner, Lucrezia Ricciardulli, Andrew Manaster, Marty Brewer, Michael Densberger, Remote Sensing Systems"
	attribute creator_url = "http://www.remss.com"
	attribute dataset_citation_authors = "Wentz, F., T. Meissner, L. Ricciardulli, A. Manaster, M. Brewer, M. Densberger"
	attribute dataset_citation_institution = "Remote Sensing Systems, Santa Rosa, CA, USA"
	attribute dataset_citation_product = "Remote Sensing Systems AMSR2 V8.2 Air-Sea Essential Climate Variables (AS-ECV) on 0.25 deg grid"
	attribute dataset_citation_url = "http://www.remss.com/missions/amsr/"
	attribute dataset_citation_version = "8.2"
	attribute dataset_citation_year = "2021"
	attribute date_created = "2021-05-12T00:13:28Z"
	attribute date_def = "starting midnight UTC"
	attribute day_of_month_of_observation = 23
	attribute day_of_year_of_observation = 174
	attribute first_possible_orbit = 5844
	attribute geospatial_lat_max = 90.0
	attribute geospatial_lat_min = -90.0
	attribute geospatial_lat_resolution = 0.25
	attribute geospatial_lat_units = "degrees_north"
	attribute geospatial_lon_max = 360.0
	attribute geospatial_lon_min = 0.0
	attribute geospatial_lon_resolution = 0.25
	attribute geospatial_lon_units = "degrees_east"
	attribute history = "created by RSS"
	attribute institution = "Remote Sensing Systems, Santa Rosa, CA, USA"
	attribute instrument = "AMSR2 radiometer"
	attribute keywords = "sea surface temperature, wind speed, winds in rain, water vapor, cloud liquid water, rain rate, AMSR2, microwave, RSS"
	attribute last_possible_orbit = 5861
	attribute month_of_observation = 6
	attribute netCDF_version_id = "4"
	attribute pass = "node_dimension 1 = ascending,  node_dimension 2 = descending"
	attribute platform = "GCOM-W1"
	attribute processing_level = "Level 3: 0.25 deg daily maps"
	attribute project = "Air-Sea Essential Climate Variables (AS-ECV) from Satellite Microwave Radiometers"
	attribute publisher_email = "support@remss.com"
	attribute publisher_name = "Remote Sensing Systems"
	attribute publisher_url = "http://www.remss.com"
	attribute references = "Source_of_AMSR2_radiometer_observations: JAXA AMSR2 L1A via JAXA G-Portal."
	attribute sensor = "AMSR2"
	attribute source = "RSS AMSR2 V8.2 AS-ECV Algorithms"
	attribute summary = "RSS climate quality air-sea products (SST, wind, vapor, cloud, rain), derived from JAXA microwave radiometer AMSR2 aboard JAXA GCOM-W1, produced by Remote Sensing Systems, gridded at .25 degree resolution in daily files with ascending and descending maps, carefully intercallibrated with other microwave radiometers and scatterometers including WindSat, GMI, and ASCAT."
	attribute time_coverage_duration = "P1D"
	attribute time_coverage_end = "2013-06-23T23:59:59Z"
	attribute time_coverage_start = "2013-06-23T00:00:00Z"
	attribute title = "RSS AMSR2 V8.2 Air-Sea Essential Climate Variables (AS-ECV)"
	attribute version = "8.2"
	attribute year_of_observation = 2013
dataset /SST: float32, shape (2, 720, 1440)
	attribute _FillValue = -999.0
	attribute coverage_content_type = "physicalMeasurement"
	attribute long_name = "AMSR2 sea surface temperature"
	attribute resolution = "spatial resolution of retrieval is approx. 46km"
	attribute standard_name = "sea_surface_temperature"
	attribute units = "degrees_Celsius"
	attribute valid_max = 35.0
	attribute valid_min = -3.0
dataset /cloud_liquid_water: float32, shape (2, 720, 1440)
	attribute _FillValue = -999.0
	attribute coverage_content_type = "physicalMeasurement"
	attribute long_name = "AMSR2 columnar cloud liquid water"
	attribute resolution = "spatial resolution of retrieval is approx. 9km"
	attribute standard_name = "atmosphere_mass_content_of_cloud_liquid_water"
	attribute units = "kg m-2"
	attribute valid_max = 5.0
	attribute valid_min = -0.100000001
dataset /coast_mask: int8, shape (2, 720, 1440)
	attribute coast_mask_values = "0 = away from coast.  1 = close to coast."
	attribute coverage_content_type = "qualityInformation"
	attribute flag_masks = 0, 1
	attribute flag_meanings = "away_from_coast close_to_coast"
	attribute long_name = "coast mask"
	attribute standard_name = "land_binary_mask"
	attribute units = "1"
	attribute valid_max = 1
	attribute valid_min = 0
dataset /land_mask: int8, shape (2, 720, 1440)
	attribute coverage_content_type = "auxiliaryInformation"
	attribute flag_masks = 0, 1
	attribute flag_meanings = "water land"
	attribute land_mask_values = "0 = water.  1 = land."
	attribute long_name = "land mask"
	attribute standard_name = "land_binary_mask"
	attribute units = "1"
	attribute valid_max = 1
	attribute valid_min = 0
dataset /lat: float32, shape (720)
	attribute _FillValue = nan
	attribute axis = "Y"
	attribute coverage_content_type = "coordinate"
	attribute long_name = "center latitude of grid cell"
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
	attribute valid_max = 89.875
	attribute valid_min = -89.875
// lat: first -89.875, last 89.875, count 720
dataset /lon: float32, shape (1440)
	attribute _FillValue = nan
	attribute axis = "X"
	attribute coverage_content_type = "coordinate"
	attribute long_name = "center longitude of grid cell"
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
	attribute valid_max = 359.875
	attribute valid_min = 0.125
// lon: first 0.125, last 359.875, count 1440
dataset /noobs_mask: int8, shape (2, 720, 1440)
	attribute coverage_content_type = "auxiliaryInformation"
	attribute flag_masks = 0, 1
	attribute flag_meanings = "observation_exists no_observation"
	attribute long_name = "no observation mask"
	attribute no_observation_values = "0 = observation exists.  1 = no observation."
	attribute standard_name = "number_of_missing_observations"
	attribute units = "1"
	attribute valid_max = 1
	attribute valid_min = 0
dataset /pass: int32, shape (2)
	attribute coverage_content_type = "auxiliaryInformation"
	attribute flag_masks = 1, 2
	attribute flag_meanings = "ascending_approx_1:30PM_local_solar_time descending_approx_1:30AM_local_solar_time"
	attribute long_name = "pass of orbit"
	attribute standard_name = "local_solar_time_of_observation"
	attribute units = "1"
	attribute valid_max = 2
	attribute valid_min = 1
// pass: first 1, last 2, count 2
dataset /rain_rate: float32, shape (2, 720, 1440)
	attribute _FillValue = -999.0
	attribute comment = "liquid rain only; does not include snow or ice"
	attribute coverage_content_type = "physicalMeasurement"
	attribute long_name = "AMSR2 surface rain rate"
	attribute resolution = "spatial resolution of retrieval is approx. 9km"
	attribute standard_name = "rainfall_rate"
	attribute units = "mm h-1"
	attribute valid_max = 25.0
	attribute valid_min = 0.0
dataset /sea_ice_mask: int8, shape (2, 720, 1440)
	attribute comment = "flag is set when sea ice detected is greater than 0%"
	attribute coverage_content_type = "qualityInformation"
	attribute flag_masks = 0, 1
	attribute flag_meanings = "no_sea_ice_detected sea_ice_detected"
	attribute long_name = "AMSR2 sea ice mask"
	attribute sea_ice_mask_values = "0 = no sea ice detected in grid cell.  1 = sea ice detected in grid cell."
	attribute standard_name = "sea_ice_extent"
	attribute units = "1"
	attribute valid_max = 1
	attribute valid_min = 0
dataset /time: float32, shape (2, 720, 1440)
	attribute _FillValue = -999.0
	attribute calendar = "proleptic_gregorian"
	attribute coverage_content_type = "referenceInformation"
	attribute long_name = "AMSR2 fractional hours of day since midnight UTC"
	attribute standard_name = "time"
	attribute units = "seconds since 2013-06-23 05:35:46.445274353"
	attribute valid_max = 24.0
	attribute valid_min = 0.0
dataset /water_vapor: float32, shape (2, 720, 1440)
	attribute _FillValue = -999.0
	attribute coverage_content_type = "physicalMeasurement"
	attribute long_name = "AMSR2 columnar water vapor"
	attribute resolution = "spatial resolution of retrieval is approx. 18km"
	attribute standard_name = "atmosphere_mass_content_of_water_vapor"
	attribute units = "kg m-2"
	attribute valid_max = 120.0
	attribute valid_min = 0.0
dataset /wind_speed_AW: float32, shape (2, 720, 1440)
	attribute _FillValue = -999.0
	attribute comment = "AMSR2 10m ocean surface all-weather wind speed using 6.93 and 10.65 GHz channels"
	attribute coverage_content_type = "physicalMeasurement"
	attribute long_name = "AMSR2 All Weather (AW) wind speed"
	attribute resolution = "spatial resolution of retrieval is approx. 46km"
	attribute standard_name = "wind_speed"
	attribute units = "m s-1"
	attribute valid_max = 70.0
	attribute valid_min = 0.0
dataset /wind_speed_LF: float32, shape (2, 720, 1440)
	attribute _FillValue = -999.0
	attribute comment = "AMSR2 10m ocean surface wind speed using 10.65 - 36.5 GHz channels"
	attribute coverage_content_type = "physicalMeasurement"
	attribute long_name = "AMSR2 Low Frequency (LF) wind speed"
	attribute resolution = "spatial resolution of retrieval is approx. 32km"
	attribute standard_name = "wind_speed"
	attribute units = "m s-1"
	attribute valid_max = 70.0
	attribute valid_min = 0.0
dataset /wind_speed_MF: float32, shape (2, 720, 1440)
	attribute _FillValue = -999.0
	attribute comment = "AMSR2 10m ocean surface wind speed using 18.7 - 36.5 GHz channels"
	attribute coverage_content_type = "physicalMeasurement"
	attribute long_name = "AMSR2 Medium Frequency (MF) wind speed"
	attribute resolution = "spatial resolution of retrieval is approx. 18km"
	attribute standard_name = "wind_speed"
	attribute units = "m s-1"
	attribute valid_max = 70.0
	attribute valid_min = 0.0