HDF5 file, superblock version 0
group /
	attribute Conventions = "CF-1.7, ACDD-1.3"
	attribute acknowledgement = "Please acknowledge the use of these data with the following statement: These data were provided by Group for High Resolution Sea Surface Temperature (GHRSST) and the National Oceanic and Atmospheric Administration (NOAA)."
	attribute cdm_data_type = "swath"
	attribute comment = "none"
	attribute creator_email = "Alex.Ignatov@noaa.gov"
	attribute creator_name = "Alex Ignatov"
	attribute creator_url = "http://www.star.nesdis.noaa.gov"
	attribute date_created = "20240726T202419Z"
	attribute easternmost_longitude = 87.1981506
	attribute file_quality_level = 3
	attribute gds_version_id = "02.0"
	attribute geospatial_bounds = "POLYGON((  87.198  81.962,   65.350  48.743,   29.522  42.163,  -18.657  67.386,   87.198  81.962))"
	attribute geospatial_first_scanline_first_fov_lat = 48.7432938
	attribute geospatial_first_scanline_first_fov_lon = 65.3496094
	attribute geospatial_first_scanline_last_fov_lat = 42.1625595
	attribute geospatial_first_scanline_last_fov_lon = 29.5223808
	attribute geospatial_last_scanline_first_fov_lat = 81.9621048
	attribute geospatial_last_scanline_first_fov_lon = 87.1981506
	attribute geospatial_last_scanline_last_fov_lat = 67.3864899
	attribute geospatial_last_scanline_last_fov_lon = -18.6565113
	attribute geospatial_lat_resolution = 0.00989999995
	attribute geospatial_lat_units = "degrees_north"
	attribute geospatial_lon_resolution = 0.00989999995
	attribute geospatial_lon_units = "degrees_east"
	attribute history = "Created by Advanced Clear-Sky Processor for Oceans (ACSPO)-AVHRR at  NOAA/NESDIS/STAR."
	attribute id = "AVHRRF_MB-STAR-L2P-v2.8"
	attribute institution = "NOAA/NESDIS/STAR"
	attribute keywords = "Oceans > Ocean Temperature > Sea Surface Temperature"
	attribute keywords_vocabulary = "NASA Global Change Master Directory (GCMD) Science Keywords"
	attribute license = "GHRSST protocol describes data use as free and open"
	attribute metadata_link = "http://podaac.jpl.nasa.gov/ws/metadata/dataset/?format=iso&shortName=AVHRRF_MB-STAR-L2P-v2.8"
	attribute naming_authority = "org.ghrsst"
	attribute netcdf_version_id = "4.7.4 of Nov 18 2021 15:43:53 $"
	attribute northernmost_latitude = 83.1664734
	attribute platform = "Metop-B"
	attribute processing_level = "L2P"
	attribute product_version = "2.80"
	attribute project = "Group for High Resolution Sea Surface Temperature"
	attribute publisher_email = "ghrsst-po@nceo.ac.uk"
	attribute publisher_name = "The GHRSST Project Office"
	attribute publisher_url = "http://www.ghrsst.org"
	attribute references = "Data convention: GHRSST Data Specification (GDS) v2.0. Algorithms: ACSPO-AVHRR ATBD (NOAA/NESDIS/STAR)"
	attribute sensor = "AVHRR"
	attribute source = "AVHRR_L1b,CMC0.1deg-GLOB-v02.0,MERRA-2"
	attribute southernmost_latitude = 42.1625595
	attribute spatial_resolution = "1.1 km at nadir"
	attribute sst_luts = "LUT_AVHRRF_MBFRAC_L2P_DEPTH_DAY_V01.01_20240608.txt,"
	attribute standard_name_vocabulary = "CF Standard Name Table (v26, 08 November 2013)"
	attribute start_time = "20240608T174000Z"
	attribute stop_time = "20240608T174959Z"
	attribute summary = "Sea surface temperature retrievals produced by NOAA/NESDIS/STAR  office from AVHRR sensor"
	attribute time_coverage_end = "20240608T174959Z"
	attribute time_coverage_start = "20240608T174000Z"
	attribute title = "AVHRR L2P SST"
	attribute uuid = "09924c8a-4b8d-11ef-b205-ac1f6bc59462"
	attribute westernmost_longitude = -18.6565113
dataset /dt_analysis: int8, shape (1, 3600, 2048)
	attribute _FillValue = -128
	attribute add_offset = 0.0
	attribute comment = "Deviation from reference SST, i.e., dt_analysis = SST - reference SST"
	attribute coordinates = "lon lat"
	attribute coverage_content_type = "qualityInformation"
	attribute long_name = "deviation from SST reference"
	attribute scale_factor = 0.100000001
	attribute source = "CMC0.1deg-GLOB-v02.0"
	attribute units = "kelvin"
	attribute valid_max = 127
	attribute valid_min = -127
dataset /l2p_flags: int16, shape (1, 3600, 2048)
	attribute comment = "L2P common flags in bits 1-6 and data provider flags (from ACSPO mask) in bits 9-16: bit01 (0=IR: 1=microwave); bit02 (0=ocean; 1=land); bit03 (0=no ice; 1=ice); bits04-08 (reserved,set to 0); bit09 (0=radiance valid; 1=invalid); bit10 (0=night; 1=day); bit11 (0=ocean; 1=land); bit12 (0=good quality data; 1=degraded quality data due to \"twilight\" region); bit13 (0=no glint; 1=glint); bit14 (0=no snow/ice; 1=snow/ice); bits15-16 (00=clear; 01=probably clear; 10=cloudy; 11=clear-sky mask undefined)"
	attribute coordinates = "lon lat"
	attribute coverage_content_type = "thematicClassification"
	attribute flag_masks = 1, 2, 4, 256, 512, 1024, 2048, 4096, 8192, -16384
	attribute flag_meanings = "microwave land ice invalid day land twilight glint ice probably_clear_or_cloudy_or_undefined"
	attribute long_name = "L2P flags"
	attribute valid_max = 32767
	attribute valid_min = -32768
dataset /lat: float32, shape (3600, 2048)
	attribute comment = "Latitude of retrievals"
	attribute coverage_content_type = "coordinate"
	attribute long_name = "latitude"
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
	attribute valid_max = 90.0
	attribute valid_min = -90.0
dataset /lon: float32, shape (3600, 2048)
	attribute comment = "Longitude of retrievals"
	attribute coverage_content_type = "coordinate"
	attribute long_name = "longitude"
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
	attribute valid_max = 180.0
	attribute valid_min = -180.0
dataset /ni: float32, shape (2048)
dataset /nj: float32, shape (3600)
dataset /quality_level: int8, shape (1, 3600, 2048)
	attribute _FillValue = -128
	attribute comment = "SST quality levels: 5 corresponds to clear-sky pixels and is recommended for operational applications and validation;"
	attribute coordinates = "lon lat"
	attribute coverage_content_type = "qualityInformation"
	attribute flag_meanings = "missing invalid not_used not_used not_used clear"
	attribute flag_values = 0, 1, 2, 3, 4, 5
	attribute long_name = "quality level of SST pixel"
	attribute valid_max = 5
	attribute valid_min = 0
dataset /satellite_zenith_angle: int16, shape (1, 3600, 2048)
	attribute _FillValue = -32768
	attribute add_offset = 0.0
	attribute comment = "satellite zenith angle"
	attribute coordinates = "lon lat"
	attribute coverage_content_type = "referenceInformation"
	attribute long_name = "satellite zenith angle"
	attribute scale_factor = 0.00999999978
	attribute units = "degrees"
	attribute valid_max = 32767
	attribute valid_min = -32767
dataset /sea_ice_fraction: int8, shape (1, 3600, 2048)
	attribute _FillValue = -128
	attribute add_offset = 0.0
	attribute comment = "Fractional sea ice cover from reference SST"
	attribute coordinates = "lon lat"
	attribute coverage_content_type = "auxiliaryInformation"
	attribute long_name = "sea ice fraction"
	attribute scale_factor = 0.00999999978
	attribute source = "CMC0.1deg-GLOB-v02.0"
	attribute standard_name = "sea_ice_area_fraction"
	attribute units = "1"
	attribute valid_max = 100
	attribute valid_min = 0
dataset /sea_surface_temperature: int16, shape (1, 3600, 2048)
	attribute _FillValue = -32768
	attribute add_offset = 273.149994
	attribute comment = "SST obtained by regression with buoy measurements, sensitive to skin SST. Further information at (Petrenko et al., JGR, 2014; doi:10.1002/2013JD020637)"
	attribute coordinates = "lon lat"
	attribute coverage_content_type = "physicalMeasurement"
	attribute long_name = "sea_surface_subskin_temperature"
	attribute scale_factor = 0.00999999978
	attribute source = "NOAA"
	attribute standard_name = "sea_surface_subskin_temperature"
	attribute units = "kelvin"
	attribute valid_max = 32767
	attribute valid_min = -200
dataset /sses_bias: int8, shape (1, 3600, 2048)
	attribute _FillValue = -128
	attribute add_offset = 0.0
	attribute comment = "Bias is derived against Piecewise Regression SST produced by local regressions with buoys. Subtracting sses_bias from sea_surface_temperature producess more accurate SST at the depth of buoys  Further information at (Petrenko et al., JTECH, 2016; doi:10.1175/JTECH-D-15-0166.1)"
	attribute coordinates = "lon lat"
	attribute coverage_content_type = "qualityInformation"
	attribute long_name = "SSES bias estimate"
	attribute scale_factor = 0.0160000008
	attribute units = "kelvin"
	attribute valid_max = 127
	attribute valid_min = -127
dataset /sses_standard_deviation: int8, shape (1, 3600, 2048)
	attribute _FillValue = -128
	attribute add_offset = 1.0
	attribute comment = "Standard deviation of sea_surface_temperature from SST measured by drifting buoys. Further information at (Petrenko et al., JTECH, 2016; doi:10.1175/JTECH-D-15-0166.1)"
	attribute coordinates = "lon lat"
	attribute coverage_content_type = "qualityInformation"
	attribute long_name = "SSES standard deviation"
	attribute scale_factor = 0.00999999978
	attribute units = "kelvin"
	attribute valid_max = 127
	attribute valid_min = -127
dataset /sst_dtime: int16, shape (1, 3600, 2048)
	attribute _FillValue = -32768
	attribute add_offset = 0.0
	attribute comment = "time plus sst_dtime gives seconds since 1981-01-01 00:00:00 UTC"
	attribute coordinates = "lon lat"
	attribute coverage_content_type = "referenceInformation"
	attribute long_name = "time difference from reference time"
	attribute scale_factor = 0.25
	attribute units = "seconds"
	attribute valid_max = 32767
	attribute valid_min = -32767
dataset /sst_front_position: int8, shape (1, 3600, 2048)
	attribute _FillValue = -128
	attribute comment = "Binary indicator of SST front position in the valid SST clear-sky domain: 1 - SST front present, 0 - no front present"
	attribute coordinates = "lon lat"
	attribute coverage_content_type = "image"
	attribute long_name = "Binary SST front position indicator"
	attribute valid_max = 1
	attribute valid_min = 0
dataset /sst_gradient_magnitude: int16, shape (1, 3600, 2048)
	attribute _FillValue = -32768
	attribute add_offset = 0.0
	attribute comment = "Gradient magnitude calculated from SST field in all grids with valid SST"
	attribute coordinates = "lon lat"
	attribute coverage_content_type = "physicalMeasurement"
	attribute long_name = "SST gradient magnitude value"
	attribute scale_factor = 0.00100000005
	attribute units = "kelvin/km"
	attribute valid_max = 32767
	attribute valid_min = -32767
dataset /time: int32, shape (1)
	attribute axis = "T"
	attribute calendar = "Gregorian"
	attribute comment = "seconds since 1981-01-01 00:00:00"
	attribute coverage_content_type = "coordinate"
	attribute long_name = "reference time of sst file"
	attribute standard_name = "time"
	attribute units = "seconds since 1981-01-01 00:00:00"
// time: first 1370713200, last 1370713200, count 1
dataset /wind_speed: int8, shape (1, 3600, 2048)
	attribute _FillValue = -128
	attribute add_offset = 25.3999996
	attribute comment = "Typically represents surface winds (10 meters above the sea surface)"
	attribute coordinates = "lon lat"
	attribute coverage_content_type = "auxiliaryInformation"
	attribute height = "10 m"
	attribute long_name = "wind speed"
	attribute scale_factor = 0.200000003
	attribute source = "Wind speed from MERRA-2 data"
	attribute standard_name = "wind_speed"
	attribute units = "m s-1"
	attribute valid_max = 127
	attribute valid_min = -127