HDF5 file, superblock version 0
group /
	attribute Conventions = "CF-1.6,ACDD 1.3"
	attribute Metadata_Conventions = "CF-1.6, Unidata Dataset Discovery v1.0"
	attribute ascend_descend_data_flag = 0
	attribute cdm_data_type = "Swath"
	attribute creator_email = "jkey@ssec.wisc.edu"
	attribute creator_name = "DOC/NOAA/NESDIS/STAR > Cryosphere Team, Center for Satellite Applications and Research, NESDIS, NOAA, U.S. Department of Commerce"
	attribute creator_url = "http://www.star.nesdis.noaa.gov"
	attribute date_created = "2026-04-22T15:17:23Z"
	attribute day_night_data_flag = "day"
	attribute end_orbit_number = 43659
	attribute geospatial_bounds = "POLYGON((18.0946999 81.6722488, -93.115242 66.6587753, -106.206367 67.5744324, 52.8775558 84.7186737, 18.0946999 81.6722488))"
	attribute geospatial_first_scanline_first_fov_lat = 81.6722488
	attribute geospatial_first_scanline_first_fov_lon = 18.0946999
	attribute geospatial_first_scanline_last_fov_lat = 84.7186737
	attribute geospatial_first_scanline_last_fov_lon = 52.8775558
	attribute geospatial_last_scanline_first_fov_lat = 66.6587753
	attribute geospatial_last_scanline_first_fov_lon = -93.115242
	attribute geospatial_last_scanline_last_fov_lat = 67.5744324
	attribute geospatial_last_scanline_last_fov_lon = -106.206367
	attribute geospatial_lat_max = 90.0
	attribute geospatial_lat_min = -90.0
	attribute geospatial_lat_resolution = "750 meters"
	attribute geospatial_lat_units = "degrees_north"
	attribute geospatial_lon_max = 180.0
	attribute geospatial_lon_min = -180.0
	attribute geospatial_lon_resolution = "750 meters"
	attribute geospatial_lon_units = "degrees_east"
	attribute history = "Enterprise Ice Age Algorithm v6.1.0"
	attribute history_package = "Delivery Package v3r2"
	attribute id = "e106bb8a-8a30-4b0a-9e2e-cd7ab873c3fc"
	attribute institution = "DOC/NOAA/NESDIS/OSPO > Office of Satellite and Product Operations, NESDIS, NOAA, U.S. Department of Commerce."
	attribute instrument = "VIIRS"
	attribute keywords = "EARTH SCIENCE, CRYOSPHERE, SEA ICE, ICE DEPTH/THICKNESS, ICE TYPES, SEA ICE AGE"
	attribute keywords_vocabulary = "NASA Global Change Master Directory (GCMD) Science Keywords"
	attribute metadata_link = "JRR-IceAge_v3r2_j01_s202604221446452_e202604221448097_c202604221517238.nc"
	attribute naming_authority = "gov.noaa.nesdis.ncei."
	attribute platform = "NOAA-20"
	attribute processing_level = "NOAA Level 2"
	attribute product_version = "v3r2"
	attribute production_environment = "DB"
	attribute production_site = "CSPP"
	attribute project = "NESDIS Common Cloud Framework"
	attribute publisher_email = "espcoperations@noaa.gov"
	attribute publisher_name = "DOC/NOAA/NESDIS/OSPO > Office of Satellite and Product Operations, NESDIS, NOAA, U.S. Department of Commerce."
	attribute publisher_url = "http://www.ospo.noaa.gov"
	attribute references = "N/A"
	attribute resolution = "750M"
	attribute satellite_name = "NOAA-20"
	attribute sensor_band_central_radiation_wavelength = "none"
	attribute sensor_band_identifier = "none"
	attribute source = "L1b data, JRR-CloudMask, JRR-CloudHeight, JRR-IceConcentration"
	attribute standard_name_vocabulary = "CF Standard Name Table v76"
	attribute start_orbit_number = 43659
	attribute summary = "Enterprise Ice Thickness/ Age Products"
	attribute time_coverage_end = "2026-04-22T14:48:09Z"
	attribute time_coverage_start = "2026-04-22T14:46:45Z"
	attribute title = "JRR_IceAge"
dataset /Columns: float32, shape (3200)
dataset /IceAge: int16, shape (768, 3200)
	attribute _FillValue = -32768
	attribute coordinates = "Longitude Latitude"
	attribute long_name = "Ice Age classification numbers(1-8): -1='bad or unclassified', 1='Ice Free', 2='New Ice', 3='Grey Ice', 4='Grey-White Ice', 5='Thin First-Year Ice', 6='Medium First-Year Ice', 7='Thick First-Year Ice', 8='Older Ice'"
	attribute units = "1"
	attribute valid_range = 1, 8
dataset /IceAge_3Cat: int16, shape (768, 3200)
	attribute _FillValue = -32768
	attribute coordinates = "Longitude Latitude"
	attribute long_name = "Ice Age classification numbers(1-3): -1='bad or unclassified', 1='Ice Free', 2='First Year Ice', 3='Older Ice'"
	attribute units = "1"
	attribute valid_range = 1, 3
dataset /IceThickness: float32, shape (768, 3200)
	attribute _FillValue = -999.0
	attribute coordinates = "Longitude Latitude"
	attribute long_name = "Ice thickness"
	attribute units = "meter"
	attribute valid_range = 0.00499999989, 6.0
dataset /Latitude: float32, shape (768, 3200)
	attribute _FillValue = -999.0
	attribute comments = "Pixel latitude in field Latitude (degree)"
	attribute long_name = "Latitude"
	attribute units = "degrees_north"
	attribute valid_range = -90.0, 90.0
dataset /Longitude: float32, shape (768, 3200)
	attribute _FillValue = -999.0
	attribute comments = "Pixel longitude in field Longitude (degree)"
	attribute long_name = "Longitude"
	attribute units = "degrees_east"
	attribute valid_range = -180.0, 180.0
dataset /MaxIceThk: float32, shape ()
	attribute _FillValue = -999.0
	attribute long_name = "Max ice thickness of valid ice thickness retrievals"
	attribute units = "meter"
dataset /MeanIceThk: float32, shape ()
	attribute _FillValue = -999.0
	attribute long_name = "Mean ice thickness of valid ice thickness retrievals"
	attribute units = "meter"
dataset /MinIceThk: float32, shape ()
	attribute _FillValue = -999.0
	attribute long_name = "Min ice thickness of valid ice thickness retrievals"
	attribute units = "meter"
dataset /NumOfQACategories: int32, shape ()
	attribute _FillValue = 4
	attribute long_name = "Number of QA flag values"
	attribute units = "1"
dataset /ProdQualInfo: int32, shape (768, 3200)
	attribute _FillValue = -999
	attribute coordinates = "Longitude Latitude"
	attribute long_name = "Product quality information"
	attribute units = "1"
dataset /QCFlags: int16, shape (768, 3200)
	attribute _FillValue = -32768
	attribute coordinates = "Longitude Latitude"
	attribute long_name = "QC Flags"
	attribute units = "1"
dataset /Rows: float32, shape (768)
dataset /STDIceThk: float32, shape ()
	attribute _FillValue = -999.0
	attribute long_name = "Standard deviation of valid ice thickness retrievals"
	attribute units = "meter"
dataset /StartColumn: int32, shape ()
	attribute long_name = "Start column index"
	attribute units = "1"
dataset /StartRow: int32, shape ()
	attribute long_name = "Start row index"
	attribute units = "1"
dataset /SummaryQC_Ice_Thickness_Age: int8, shape (768, 3200)
	attribute _FillValue = -128
	attribute coordinates = "Longitude Latitude"
	attribute long_name = "User-level summary QC: 0=Good, 1=Non-retrievable, 2=Uncertain, 3=Bad"
	attribute units = "1"
	attribute valid_range = 0, 3
dataset /TermntPixPct: float32, shape ()
	attribute _FillValue = -999.0
	attribute long_name = "% of terminator pixels (non-retrievable and bad)"
	attribute units = "%"
	attribute valid_range = 0.0, 100.0
dataset /TotDaytimePixs: int32, shape ()
	attribute _FillValue = 0
	attribute long_name = "Total number of daytime valid retreivals"
	attribute units = "1"
dataset /TotNighttimePixs: int32, shape ()
	attribute _FillValue = 0
	attribute long_name = "Total number of nighttime valid retreivals"
	attribute units = "1"
dataset /TotRetrPixs: int32, shape ()
	attribute _FillValue = 0
	attribute long_name = "Total number of valid ice thickness and age retrievals"
	attribute units = "1"
dataset /TotWaterPixs: int32, shape ()
	attribute _FillValue = 0
	attribute long_name = "Total number of pixels w. water surface"
	attribute units = "1"
dataset /Tot_QA_BadData: int32, shape ()
	attribute _FillValue = 0
	attribute long_name = "Total number of pixels with QA category 4 (bad or missing)"
	attribute units = "1"
dataset /Tot_QA_NonRetrievable: int32, shape ()
	attribute _FillValue = 0
	attribute long_name = "Total number of pixels with QA category 3 (Non-retrievable)"
	attribute units = "1"
dataset /Tot_QA_Normal: int32, shape ()
	attribute _FillValue = 0
	attribute long_name = "Total number of pixels with QA category 1 (Normal or optimal)"
	attribute units = "1"
dataset /Tot_QA_Uncertain: int32, shape ()
	attribute _FillValue = 0
	attribute long_name = "Total number of pixels with QA category 2 (Uncertain or suboptimal)"
	attribute units = "1"
dataset /cloud_mask_granule_level_quality_flag: int64, shape ()
	attribute _FillValue = -999
	attribute flag_meanings = "Missing_Channel_Degradation Missing_Ancillary_SST_Degradation Complete_IR_Failure"
	attribute flag_values = 0, 1, 63
	attribute long_name = "Cloud Mask Granule Level Degradation Quality Flag"
	attribute units = "1"
	attribute valid_range = 0, 63
dataset /quality_information: uint8, shape ()
	attribute long_name = "total number of retrievals, percentage of optimal retrievals, percentage_sub_optimal_retrievals, percentage of bad retrievals"
	attribute percentage_bad_retrievals = 0.0
	attribute percentage_optimal_retrievals = 44.5728836
	attribute percentage_sub_optimal_retrievals = 55.4271164
	attribute total_number_retrievals = 108916