| CFAC: | 20466275 |
| COFF: | 2750.50000 |
| Coefficient_for_Sd: | 1737122264.000000 |
| Dist_Virt_Sat: | 42164.00000000000 |
| Earth_Radius_Equator: | 6378.137000000000 |
| Earth_Radius_Polar: | 6356.752300000000 |
| LFAC: | 20466275 |
| LOFF: | 2750.50000 |
| Nadir_latitude: | 0.01608585472523811 |
| Nadir_longitude: | 140.2868114232432 |
| Req2_info: | 1.006739501000000 |
| Req_info: | 0.006694384400000000 |
| Rpol_info: | 0.9933056160000000 |
| SSP_latitude: | 0.008023876253465735 |
| SSP_longitude: | 140.6555015429759 |
| Sub_Lon: | 140.7000000000000 |
| Sun_Pos: | 27451684.25751898, -132589315.0730202, -57476872.97469679 |
| destripe: | no |
| easternmost_longitude: | -138.078430 |
| northernmost_latitude: | 81.0509872 |
| southernmost_latitude: | -81.0509872 |
| westernmost_longitude: | 59.4784317 |
| Conventions: | CF-1.7 |
| Metadata_Conventions: | Unidata Dataset Discovery v1.0 |
| acknowledgment: | 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). |
| cdm_data_type: | swath |
| comment: | This file contains sea surface temperature data on the original geostationary projection grid. For details on how to generate latitude/longitude values from the grid metadata, please see the current CF-1.7 document (http://cfconventions.org/Data/cf-conventions/cf-conventions-1.7/cf-conventions.html#_geostationary_projection). |
| creator_email: | Alex.Ignatov@noaa.gov |
| creator_name: | Alex Ignatov |
| creator_url: | http://www.star.nesdis.noaa.gov |
| gds_version_id: | 02.0 |
| geospatial_lat_units: | degrees_north |
| geospatial_lon_units: | degrees_east |
| institution: | NOAA/NESDIS/STAR |
| keywords: | Oceans > Ocean Temperature > Sea Surface Temperature |
| keywords_vocabulary: | NASA Global Change Master Directory (GCMD) Science Keywords |
| license: | GHRSST protocol describes data use as free and open |
| naming_authority: | org.ghrsst |
| netcdf_version_id: | 4.6.3 of Apr 2 2019 11:58:26 $ |
| processing_level: | L2P |
| project: | Group for High Resolution Sea Surface Temperature |
| publisher_email: | ghrsst-po@nceo.ac.uk |
| publisher_name: | The GHRSST Project Office |
| publisher_url: | http://www.ghrsst.org |
| standard_name_vocabulary: | CF Standard Name Table (v26, 08 November 2013) |
| history: | Created by Advanced Clear-Sky Processor for Oceans (ACSPO)-AHI at NOAA/NESDIS/STAR. |
| id: | AHI_H08-STAR-L2P-v2.7 |
| metadata_link: | |
| platform: | H08 |
| references: | Data convention: GHRSST Data Specification (GDS) v2.0. Algorithms: ACSPO-AHI (NOAA/NESDIS/STAR) |
| source: | HS_H08_FLDK_L1B,CMC0.1deg-CMC-L4-GLOB-v2.0,NOAA-NCEP-GFS |
| summary: | Sea surface temperature retrievals produced by NOAA/NESDIS/STAR from the AHI sensor. |
| title: | AHI L2P SST |
| date_created: | 20200102T023951Z |
| file_quality_level: | 3 |
| geospatial_lat_resolution: | 0.0179999992 |
| geospatial_lon_resolution: | 0.0179999992 |
| sensor: | AHI |
| spatial_resolution: | 2 km at nadir |
| product_version: | 2.70 |
| start_time: | 20200102T000019Z |
| time_coverage_start: | 20200102T000019Z |
| stop_time: | 20200102T000939Z |
| time_coverage_end: | 20200102T000939Z |
| uuid: | 17492d1e-3ebe-4464-aa91-987eec7ef614 |
| sst_luts: | LUT_AHI_H08_L2C_DEPTH_DAYNIGHT_V01.02_20190213.txt |
| CollationVersion: | 1.17.0 |
| CollationInput: | ACSPO_V2.70_H08_AHI_2020-01-01_2100-2110_20200101.214952.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2110-2120_20200101.215050.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2120-2130_20200101.220931.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2130-2140_20200101.221913.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2140-2150_20200101.222326.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2150-2200_20200101.223827.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2200-2210_20200101.224323.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2210-2220_20200101.225050.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2220-2230_20200101.230325.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2230-2240_20200101.231051.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2240-2250_20200101.233008.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2250-2300_20200101.233809.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2300-2310_20200101.234326.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2310-2320_20200101.235050.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2320-2330_20200102.000325.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2330-2340_20200102.001846.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2340-2350_20200102.003000.nc,ACSPO_V2.70_H08_AHI_2020-01-01_2350-2400_20200102.003843.nc,ACSPO_V2.70_H08_AHI_2020-01-02_0000-0010_20200102.004957.nc,ACSPO_V2.70_H08_AHI_2020-01-02_0010-0020_20200102.005047.nc,ACSPO_V2.70_H08_AHI_2020-01-02_0020-0030_20200102.010935.nc,ACSPO_V2.70_H08_AHI_2020-01-02_0030-0040_20200102.011920.nc,ACSPO_V2.70_H08_AHI_2020-01-02_0040-0050_20200102.012325.nc,ACSPO_V2.70_H08_AHI_2020-01-02_0050-0100_20200102.013050.nc,ACSPO_V2.70_H08_AHI_2020-01-02_0100-0110_20200102.014945.nc |
| CollationMissingGranules: | 0 |
| CollationAbnormalGranules: | 0 |
| sst_dtime: | Grid _FillValue: -32768 add_offset: 0.00000000 comment: time plus sst_dtime gives seconds since 1981-01-01 00:00:00 UTC coordinates: nj ni long_name: time difference from reference time scale_factor: 0.250000000 units: seconds valid_max: 32767 valid_min: -32767 grid_mapping: geostationary
| ||||||||
| time: | Array of 32 bit Integers [time = 0..0] axis: T calendar: Gregorian comment: Seconds since 1981-01-01 00:00:00 long_name: reference time of sst file standard_name: time units: seconds since 1981-01-01 00:00:00 |
||||||||
| satellite_zenith_angle: | Grid _FillValue: -128 add_offset: 0.00000000 comment: satellite zenith angle coordinates: nj ni long_name: satellite zenith angle scale_factor: 1.00000000 units: degrees valid_max: 90 valid_min: -90 grid_mapping: geostationary
| ||||||||
| sea_surface_temperature: | Grid _FillValue: -32768 add_offset: 273.149994 comment: SST obtained by collation algorithm coordinates: nj ni long_name: sea surface sub-skin temperature scale_factor: 0.00999999978 source: NOAA standard_name: sea surface sub-skin temperature units: kelvin valid_max: 32767 valid_min: -32767 grid_mapping: geostationary
| ||||||||
| brightness_temperature_08um6: | Grid _FillValue: -32768 add_offset: 273.149994 comment: non L2P core field; brightness temperature for 8.6 um channel ABI Ch. 11 coordinates: nj ni long_name: brightness temperature for 8.6 um channel scale_factor: 0.00999999978 source: ABI channel 11 units: kelvin valid_max: 32767 valid_min: -32767 grid_mapping: geostationary
| ||||||||
| brightness_temperature_10um4: | Grid _FillValue: -32768 add_offset: 273.149994 comment: non L2P core field; brightness temperature for 10.4 um channel ABI Ch. 13 coordinates: nj ni long_name: brightness temperature for 10.4 um channel scale_factor: 0.00999999978 source: ABI channel 13 units: kelvin valid_max: 32767 valid_min: -32767 grid_mapping: geostationary
| ||||||||
| brightness_temperature_11um2: | Grid _FillValue: -32768 add_offset: 273.149994 comment: non L2P core field; brightness temperature for 11.2 um channel ABI Ch. 14 coordinates: nj ni long_name: brightness temperature for 11.2 um channel scale_factor: 0.00999999978 source: ABI channel 14 units: kelvin valid_max: 32767 valid_min: -32767 grid_mapping: geostationary
| ||||||||
| brightness_temperature_12um3: | Grid _FillValue: -32768 add_offset: 273.149994 comment: non L2P core field; brightness temperature for 12.3 um channel ABI Ch. 15 coordinates: nj ni long_name: brightness temperature for 12.3 um channel scale_factor: 0.00999999978 source: ABI channel 15 units: kelvin valid_max: 32767 valid_min: -32767 grid_mapping: geostationary
| ||||||||
| sses_bias: | Grid _FillValue: -128 add_offset: 0.00000000 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) coordinates: nj ni long_name: SSES bias estimate scale_factor: 0.0160000008 units: kelvin valid_max: 127 valid_min: -127 grid_mapping: geostationary
| ||||||||
| sses_standard_deviation: | Grid _FillValue: -128 add_offset: 1.00000000 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) coordinates: nj ni long_name: SSES standard deviation scale_factor: 0.00999999978 units: kelvin valid_max: 127 valid_min: -127 grid_mapping: geostationary
| ||||||||
| dt_analysis: | Grid _FillValue: -128 add_offset: 0.00000000 comment: Deviation from reference SST, i.e., dt_analysis = SST - reference SST coordinates: nj ni long_name: deviation from SST reference scale_factor: 0.100000001 source: CMC0.1deg-CMC-L4-GLOB-v2.0 units: kelvin valid_max: 127 valid_min: -127 grid_mapping: geostationary
| ||||||||
| wind_speed: | Grid _FillValue: -128 add_offset: 0.00000000 comment: Typically represents surface winds (10 meters above the sea surface) coordinates: nj ni height: 10 m long_name: wind speed scale_factor: 0.150000006 source: Wind speed from NCEP GFS data standard_name: wind_speed units: m s-1 valid_max: 127 valid_min: -127 grid_mapping: geostationary
| ||||||||
| sea_ice_fraction: | Grid _FillValue: -128 add_offset: 0.00000000 comment: Fractional sea ice cover from reference SST coordinates: nj ni long_name: sea ice fraction scale_factor: 0.00999999978 source: CMC0.1deg-CMC-L4-GLOB-v2.0 standard_name: sea_ice_area_fraction units: 1 valid_max: 100 valid_min: 0 grid_mapping: geostationary
| ||||||||
| l2p_flags: | Grid 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); bits04-07 (reserved,set to 0); bit08 (0=anti-solar; 1=solar); 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) coordinates: nj ni flag_masks: 1, 2, 4, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, -32768, -16384 flag_meanings: microwave land ice solar invalid day land twilight glint ice probably_clear cloudy mask_undefined long_name: L2P flags valid_max: 32767 valid_min: -32768 grid_mapping: geostationary
| ||||||||
| quality_level: | Grid _FillValue: -128 comment: SST quality levels: 5 corresponds to "clear-sky" pixels and is recommended for operational applications and validation. coordinates: nj ni flag_meanings: no_data bad_data not_used not_used not_used best_quality flag_values: 0, 1, 2, 3, 4, 5 long_name: quality level of SST pixel valid_max: 5 valid_min: 0 grid_mapping: geostationary
| ||||||||
| geostationary: | 32 bit Integer grid_mapping_name: geostationary semi_major_axis: 6378137.000000000 semi_minor_axis: 6356752.314245000 inverse_flattening: 298.2572235630000 latitude_of_projection_origin: 0.000000000000000 longitude_of_projection_origin: 140.7000000000000 false_easting: 0.000000000000000 false_northing: 0.000000000000000 horizontal_datum_name: WGS_1984 reference_ellipsoid_name: WGS 84 prime_meridian_name: Greenwich geographic_crs_name: WGS 84 sweep_angle_axis: y perspective_point_height: 35785863.00000000 |
||||||||
| nj: | Array of 32 bit Reals [nj = 0..5499] axis: Y units: radians long_name: y coordinate of projection standard_name: projection_y_coordinate valid_min: -0.153664023 valid_max: 0.153664023 |
||||||||
| ni: | Array of 32 bit Reals [ni = 0..5499] axis: X units: radians long_name: x coordinate of projection standard_name: projection_x_coordinate valid_min: -0.153664023 valid_max: 0.153664023 |