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Global Attributes:	Conventions: CF-1.5 title: AVHRR Pathfinder Version 5.2 L3-Collated (L3C) sea surface temperature summary: This netCDF-4 file contains sea surface temperature (SST) data produced as part of the AVHRR Pathfinder SST Project. These data were created using Version 5.2 of the Pathfinder algorithm and the file is nearly but not completely compliant with the GHRSST Data Specifications V2.0 (GDS2). The file does not encode time according to the GDS2 specifications, and the sses_bias and sses_standard_deviation variables are empty. Full compliance with GDS2 specifications will be achieved in the future Pathfinder Version 6. These data were created as a partnership between the University of Miami and the US NOAA/National Oceanographic Data Center (NODC). acknowledgment: Please acknowledge the use of these data with the following statement: These data were provided by GHRSST and the US National Oceanographic Data Center. This project was supported in part by a grant from the NOAA Climate Data Record (CDR) Program for satellites. license: These data are available for use without restriction. creator_name: Kenneth S. Casey creator_email: Kenneth.Casey@noaa.gov creator_url: http://pathfinder.nodc.noaa.gov project: Group for High Resolution Sea Surface Temperature publisher_name: GHRSST Project Office publisher_email: ghrsst-po@nceo.ac.uk publisher_url: http://www.ghrsst.org references: http://pathfinder.nodc.noaa.gov and Casey, K.S., T.B. Brandon, P. Cornillon, and R. Evans: The Past, Present and Future of the AVHRR Pathfinder SST Program, in Oceanography from Space: Revisited, eds. V. Barale, J.F.R. Gower, and L. Alberotanza, Springer, 2010. DOI: 10.1007/978-90-481-8681-5_16. institution: NODC history: smigen_both ifile=2012365.b4kd3-pf5ap-n19-sst.hdf ofile=2012365.i4kd3-pf5ap-n19-sst.hdf prod=sst datamin=-3.0 datamax=40.0 precision=I projection=RECT resolution=4km gap_fill=2 ; ./hdf2nc_PFV52_L3C.x -v ./Data_PFV52/PFV52_HDF/2012/2012365.i4kd3-pf5ap-n19-sst.hdf comment: SST from AVHRR Pathfinder id: AVHRR_Pathfinder-NODC-L3C-v5.2 naming_authority: org.ghrsst principal_year_day_for_collated_orbits: 2012365 time_coverage_start: 20121230T001833Z time_coverage_end: 20121231T065419Z day_or_night: day orbit_node: ascending platform: NOAA-19 sensor: AVHRR_GAC product_version: PFV5.2 source: AVHRR_GAC-CLASS-L1B-NOAA_19-v1 uuid: AAF19A5A-0E08-4812-9CAB-B7B9FCAAF26E gds_version_id: 2.0 netcdf_version_id: 4.1.2 date_created: 20130426T025413Z file_quality_level: 3 spatial_resolution: 0.0417 degree geospatial_lat_units: degrees north geospatial_lat_resolution: 0.0417 geospatial_lon_units: degrees east geospatial_lon_resolution: 0.0417 start_time: 20121230T001833Z stop_time: 20121231T065419Z northernmost_latitude: 90.0 southernmost_latitude: -90.0 easternmost_longitude: 180.0 westernmost_longitude: -180.0 geospatial_lon_min: -180.0 geospatial_lon_max: 180.0 geospatial_lat_min: -90.0 geospatial_lat_max: 90.0 grid_mapping: Equidistant Cylindrical Metadata_Conventions: Unidata Dataset Discovery v1.0 metadata_link: http://pathfinder.nodc.noaa.gov/ISO-AVHRR_Pathfinder-NODC-L3C-v5.2.html keywords: Oceans > Ocean Temperature > Sea Surface Temperature keywords_vocabulary: NASA Global Change Master Directory (GCMD) Science Keywords standard_name_vocabulary: NetCDF Climate and Forecast (CF) Metadata Convention processing_level: L3C cdm_data_type: grid cdr_program: NOAA Climate Data Record Program for satellites, FY 2011. cdr_variable: sea_surface_temperature cdr_id: gov.noaa.ncdc:C00804

Variables:	lat: Array of 32 bit Reals [lat = 0..4319] lat: standard_name: latitude units: degrees_north reference_datum: geographical coordinates, WGS84 projection grid_mapping: Equidistant Cylindrical axis: Y valid_min: -90.0 valid_max: 90.0
	lon: Array of 32 bit Reals [lon = 0..8639] lon: standard_name: longitude units: degrees_east reference_datum: geographical coordinates, WGS84 projection grid_mapping: Equidistant Cylindrical axis: X valid_min: -180.0 valid_max: 180.0
	time: Array of 32 bit Integers [time = 0..11235] time: standard_name: time long_name: reference time of SST file units: seconds since 1970-01-01T00:00:00Z axis: T comment: This is the reference time of the SST file. Add sst_dtime to this value to get pixel-by-pixel times. Note: in PFV5.2 that sst_dtime is empty. PFV6 will contain the correct sst_dtime values. calendar: Gregorian _ChunkSizes: 1
	sea_surface_temperature: Grid time: lat: lon: long_name: NOAA Climate Data Record of sea surface skin temperature standard_name: sea_surface_skin_temperature grid_mapping: Equidistant Cylindrical units: kelvin add_offset: 273.15 scale_factor: 0.01 valid_min: -180 valid_max: 4500 _FillValue: -32768 comment: Skin temperature of the ocean _ChunkSizes: 1, 540, 540
	sst_dtime: Grid time: lat: lon: long_name: time difference from reference time grid_mapping: Equidistant Cylindrical units: second add_offset: 0 scale_factor: 1 valid_min: -2147483647 valid_max: 2147483647 _FillValue: -2147483648 comment: time plus sst_dtime gives seconds after 1981-01-01 00:00:00. Note: in PFV5.2 this sst_dtime is empty. PFV6 will contain the correct sst_dtime values. _ChunkSizes: 1, 540, 540
	sses_bias: Grid time: lat: lon: _Unsigned: false long_name: SSES bias estimate grid_mapping: Equidistant Cylindrical units: kelvin add_offset: 0.0 scale_factor: 0.02 valid_min: -127 valid_max: 127 _FillValue: -128 comment: Bias estimate derived using the techniques described at http://www.ghrsst.org/SSES-Description-of-schemes.html. Note: in PFV5.2 this sses_bias is empty. PFV6 will contain the correct sses_bias values. _ChunkSizes: 1, 540, 540
	sses_standard_deviation: Grid time: lat: lon: _Unsigned: false long_name: SSES standard deviation grid_mapping: Equidistant Cylindrical units: kelvin add_offset: 2.54 scale_factor: 0.02 valid_min: -127 valid_max: 127 _FillValue: -128 comment: Standard deviation estimate derived using the techniques described at http://www.ghrsst.org/SSES-Description-of-schemes.html. Note: in PFV5.2 this sses_standard_deviation is empty. PFV6 will contain the correct sses_standard_deviation values. _ChunkSizes: 1, 540, 540
	dt_analysis: Grid time: lat: lon: _Unsigned: false long_name: Deviation from last SST analysis grid_mapping: Equidistant Cylindrical units: kelvin add_offset: 0.0 scale_factor: 0.1 valid_min: -127 valid_max: 127 _FillValue: -128 reference: AVHRR_OI, with inland values populated from AVHRR_Pathfinder daily climatological SST. For more information on this reference field see http://accession.nodc.noaa.gov/0071180. comment: The difference between this SST and the previous day's SST. _ChunkSizes: 1, 540, 540
	wind_speed: Grid time: lat: lon: _Unsigned: false long_name: 10m wind speed standard_name: wind_speed grid_mapping: Equidistant Cylindrical units: m s-1 height: 10 m add_offset: 0.0 scale_factor: 1.0 valid_min: -127 valid_max: 127 _FillValue: -128 time_offset: 6.0 source: NCEP/DOE AMIP-II Reanalysis (Reanalysis-2): u_wind.10m.gauss.2012.nc, v_wind.10m.gauss.2012.nc comment: These wind speeds were created by NCEP-DOE Atmospheric Model Intercomparison Project (AMIP-II) reanalysis (R-2) and represent winds at 10 metres above the sea surface. _ChunkSizes: 1, 540, 540
	sea_ice_fraction: Grid time: lat: lon: _Unsigned: false long_name: sea ice fraction standard_name: sea_ice_area_fraction grid_mapping: Equidistant Cylindrical units: add_offset: 0.0 scale_factor: 0.01 valid_min: -127 valid_max: 127 _FillValue: -128 time_offset: 12.0 source: NOAA/NESDIS/NCDC Daily optimum interpolation(OI) SST on 1/4-degree grid: 20121230-NCDC-L4LRblend-GLOB-v01-fv02_0-AVHRR_OI.nc.gz reference: Reynolds, et al.(2006) Daily High-resolution Blended Analyses. Available at ftp://eclipse.ncdc.noaa.gov/pub/OI-daily/daily-sst.pdf comment: Sea ice concentration data are taken from the EUMETSAT Ocean and Sea Ice Satellite Application Facility (OSISAF) Global Daily Sea Ice Concentration Reprocessing Data Set (http://accession.nodc.noaa.gov/0068294) when these data are available. The data are reprojected and interpolated from their original polar stereographic projection at 10km spatial resolution to the 4km Pathfinder Version 5.2 grid. When the OSISAF data are not available for both hemispheres on a given day, the sea ice concentration data are taken from the sea_ice_fraction variable found in the L4 GHRSST DailyOI SST product from NOAA/NCDC, and are interpolated from the 25km DailyOI grid to the 4km Pathfinder Version 5.2 grid. _ChunkSizes: 1, 540, 540
	aerosol_dynamic_indicator: Grid time: lat: lon: _Unsigned: false long_name: aerosol dynamic indicator grid_mapping: Equidistant Cylindrical units: add_offset: 1.1 scale_factor: 0.01 valid_min: -127 valid_max: 127 _FillValue: -128 time_offset: -83.0 source: CLASS_AERO100_AOT reference: http://www.class.ncdc.noaa.gov/saa/products/search?sub_id=0&datatype_family=AERO100&submit.x=25&submit.y=12 comment: Aerosol optical thickness (100 KM) data are taken from the CLASS AERO100 products, which are created from AVHRR channel 1 optical thickness retrievals from AVHRR global area coverage (GAC) data. The aerosol optical thickness measurements are interpolated from their original 1 degree x 1 degree resolution to the 4km Pathfinder Version 5.2 grid. _ChunkSizes: 1, 540, 540
	quality_level: Grid time: lat: lon: _Unsigned: false long_name: SST measurement quality grid_mapping: Equidistant Cylindrical valid_min: 1 valid_max: 5 _FillValue: 0 flag_meanings: bad_data worst_quality low_quality acceptable_quality best_quality flag_values: 1, 2, 3, 4, 5 comment: Note, the native Pathfinder processing system returns quality levels ranging from 0 to 7 (7 is best quality; -1 represents missing data) and has been converted to the extent possible into the six levels required by the GDS2 (ranging from 0 to 5, where 5 is best). Below is the conversion table: GDS2 required quality_level 5 = native Pathfinder quality level 7 == best_quality GDS2 required quality_level 4 = native Pathfinder quality level 4-6 == acceptable_quality GDS2 required quality_level 3 = native Pathfinder quality level 2-3 == low_quality GDS2 required quality_level 2 = native Pathfinder quality level 1 == worst_quality GDS2 required quality_level 1 = native Pathfinder quality level 0 = bad_data GDS2 required quality_level 0 = native Pathfinder quality level -1 = missing_data The original Pathfinder quality level is recorded in the optional variable pathfinder_quality_level. _ChunkSizes: 1, 540, 540
	pathfinder_quality_level: Grid time: lat: lon: _Unsigned: false long_name: Pathfinder SST quality flag grid_mapping: Equidistant Cylindrical valid_min: 0 valid_max: 7 _FillValue: -1 flag_meanings: bad_data worst_quality low_quality low_quality acceptable_quality acceptable_quality acceptable_quality best_quality flag_values: 0, 1, 2, 3, 4, 5, 6, 7 comment: This variable contains the native Pathfinder processing system quality levels, ranging from 0 to 7, where 0 is worst and 7 is best. And value -1 represents missing data. _ChunkSizes: 1, 540, 540
	l2p_flags: Grid time: lat: lon: long_name: L2P flags grid_mapping: Equidistant Cylindrical flag_meanings: microwave land ice lake river reserved_for_future_use unused_currently unused_currently unused_currently flag_masks: 1, 2, 4, 8, 16, 32, 64, 128, 256 comment: Bit zero (0) is always set to zero to indicate infrared data. Bit one (1) is set to zero for any pixel over water (ocean, lakes and rivers). Land pixels were determined by rasterizing the Global Self-consistent Hierarchical High-resolution Shoreline (GSHHS) Database from the NOAA National Geophysical Data Center. Any 4 km Pathfinder pixel whose area is 50% or more covered by land has bit one (1) set to 1. Bit two (2) is set to 1 when the sea_ice_fraction is 0.15 or greater. Bits three (3) and four (4) indicate lake and river pixels, respectively, and were determined by rasterizing the US World Wildlife Fund's Global Lakes and Wetlands Database. Any 4 km Pathfinder pixel whose area is 50% or more covered by lake has bit three (3) set to 1. Any 4 km Pathfinder pixel whose area is 50% or more covered by river has bit four (4) set to 1. _ChunkSizes: 1, 540, 540

For questions or comments about this dataset, contact the administrator of this server [erd.data] at: erd.data@noaa.gov

For questions or comments about the OPeNDAP service bundled with the TDS, email THREDDS support at: support-thredds@unidata.ucar.edu

DDS:

Dataset {
    Float32 lat[lat = 4320];
    Float32 lon[lon = 8640];
    Int32 time[time = 11236];
    Grid {
     ARRAY:
        Int16 sea_surface_temperature[time = 11236][lat = 4320][lon = 8640];
     MAPS:
        Int32 time[time = 11236];
        Float32 lat[lat = 4320];
        Float32 lon[lon = 8640];
    } sea_surface_temperature;
    Grid {
     ARRAY:
        Int32 sst_dtime[time = 11236][lat = 4320][lon = 8640];
     MAPS:
        Int32 time[time = 11236];
        Float32 lat[lat = 4320];
        Float32 lon[lon = 8640];
    } sst_dtime;
    Grid {
     ARRAY:
        Byte sses_bias[time = 11236][lat = 4320][lon = 8640];
     MAPS:
        Int32 time[time = 11236];
        Float32 lat[lat = 4320];
        Float32 lon[lon = 8640];
    } sses_bias;
    Grid {
     ARRAY:
        Byte sses_standard_deviation[time = 11236][lat = 4320][lon = 8640];
     MAPS:
        Int32 time[time = 11236];
        Float32 lat[lat = 4320];
        Float32 lon[lon = 8640];
    } sses_standard_deviation;
    Grid {
     ARRAY:
        Byte dt_analysis[time = 11236][lat = 4320][lon = 8640];
     MAPS:
        Int32 time[time = 11236];
        Float32 lat[lat = 4320];
        Float32 lon[lon = 8640];
    } dt_analysis;
    Grid {
     ARRAY:
        Byte wind_speed[time = 11236][lat = 4320][lon = 8640];
     MAPS:
        Int32 time[time = 11236];
        Float32 lat[lat = 4320];
        Float32 lon[lon = 8640];
    } wind_speed;
    Grid {
     ARRAY:
        Byte sea_ice_fraction[time = 11236][lat = 4320][lon = 8640];
     MAPS:
        Int32 time[time = 11236];
        Float32 lat[lat = 4320];
        Float32 lon[lon = 8640];
    } sea_ice_fraction;
    Grid {
     ARRAY:
        Byte aerosol_dynamic_indicator[time = 11236][lat = 4320][lon = 8640];
     MAPS:
        Int32 time[time = 11236];
        Float32 lat[lat = 4320];
        Float32 lon[lon = 8640];
    } aerosol_dynamic_indicator;
    Grid {
     ARRAY:
        Byte quality_level[time = 11236][lat = 4320][lon = 8640];
     MAPS:
        Int32 time[time = 11236];
        Float32 lat[lat = 4320];
        Float32 lon[lon = 8640];
    } quality_level;
    Grid {
     ARRAY:
        Byte pathfinder_quality_level[time = 11236][lat = 4320][lon = 8640];
     MAPS:
        Int32 time[time = 11236];
        Float32 lat[lat = 4320];
        Float32 lon[lon = 8640];
    } pathfinder_quality_level;
    Grid {
     ARRAY:
        Int16 l2p_flags[time = 11236][lat = 4320][lon = 8640];
     MAPS:
        Int32 time[time = 11236];
        Float32 lat[lat = 4320];
        Float32 lon[lon = 8640];
    } l2p_flags;
} satellite/PH2/sstd/1day;

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