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NC_GLOBAL.keywords: EARTH SCIENCE > SPECTRAL/ENGINEERING > INFRARED WAVELENGTHS > INFRARED RADIANCE NC_GLOBAL.Conventions: CF-1.6, ACDD-1.3 NC_GLOBAL.history: 2021-03-14,02:46:04,s4pmops,ccast_main ../Jpss1_Cris_L1b/2.11.1/pge//uw_v2.1.3_deploy/l1b/inst_data/FIRfilter.mat /vol2/snppPro/OPS/s4pm/snpp/stations/J1_V2_FW/run_algorithm/RUNNING.RUN_Jpss1_Cris_L1b.2021072174800 /vol2/snppPro/OPS/s4pm/snpp/stations/J1_V2_FW/run_algorithm/RUNNING.RUN_Jpss1_Cris_L1b.2021072174800/l1b_template.nc ./SNDR.J1.CRIS.20210313T1748.m06.g179.L1A.std.v02_11.G.210313214807.nc ./SNDR.J1.CRIS.20210313T1742.m06.g178.L1A.std.v02_11.G.210313214807.nc ./SNDR.J1.CRIS.20210313T1754.m06.g180.L1A.std.v02_11.G.210313233708.nc || 2021-04-09T02:40:15Z s4pmops chirp_cris_main v1.1.1 20210313T1747 NC_GLOBAL.source: JPSS-1 CrIS Level-1B v2 NC_GLOBAL.processing_level: 1 NC_GLOBAL.product_name_type_id: L1_J1 NC_GLOBAL.comment: NC_GLOBAL.acknowledgment: Support for this research was provided by NASA. NC_GLOBAL.license: Freely Distributed NC_GLOBAL.standard_name_vocabulary: CF Standard Name Table v28 NC_GLOBAL.date_created: 2021-04-09T02:40:15Z NC_GLOBAL.creator_name: Unassigned NC_GLOBAL.creator_email: gsfc-help-disc@lists.nasa.gov NC_GLOBAL.creator_url: http://disc.sci.gsfc.nasa.gov/ NC_GLOBAL.institution: Goddard Space Flight Center - National Aeronautics and Space Administration NC_GLOBAL.project: Sounder SIPS NC_GLOBAL.product_name_project: SNDR NC_GLOBAL.publisher_name: Goddard Earth Science Data and Information Services Center NC_GLOBAL.publisher_email: gsfc-help-disc@lists.nasa.gov NC_GLOBAL.publisher_url: http://disc.sci.gsfc.nasa.gov/ NC_GLOBAL.geospatial_bounds: POLYGON ((-30.01 -71.89, -26.33 -50.30, -5.89 -56.51, -9.17 -75.52, -30.01 -71.89)) NC_GLOBAL.geospatial_bounds_crs: EPSG:4326 NC_GLOBAL.geospatial_lat_min: -30.1598396 NC_GLOBAL.geospatial_lat_max: -5.79635811 NC_GLOBAL.geospatial_lon_min: -75.8433990 NC_GLOBAL.geospatial_lon_max: -50.0017204 NC_GLOBAL.time_coverage_start: 2021-03-13T17:48:00Z NC_GLOBAL.time_of_first_valid_obs: 2021-03-13T17:48:00.166964Z NC_GLOBAL.time_coverage_mid: 2021-03-13T17:51:00Z NC_GLOBAL.time_coverage_end: 2021-03-13T17:54:00Z NC_GLOBAL.time_of_last_valid_obs: 2021-03-13T17:54:00.166964Z NC_GLOBAL.time_coverage_duration: P0000-00-00T00:06:00 NC_GLOBAL.product_name_duration: m06 NC_GLOBAL.creator_type: institution NC_GLOBAL.creator_institution: Goddard Space Flight Center - National Aeronautics and Space Administration NC_GLOBAL.keywords_vocabulary: GCMD:GCMD Keywords NC_GLOBAL.platform: JPSS-1 > Joint Polar Satellite System - 1, SUOMI-NPP > Suomi National Polar-orbiting Partnership, AQUA > Earth Observing System NC_GLOBAL.platform_vocabulary: GCMD:GCMD Keywords NC_GLOBAL.product_name_platform: SS1330 NC_GLOBAL.instrument: AIRS > Atmospheric Infrared Sounder, CrIS > Cross-track Infrared Sounder NC_GLOBAL.instrument_vocabulary: GCMD:GCMD Keywords NC_GLOBAL.product_name_instr: CHIRP NC_GLOBAL.product_name_variant: std NC_GLOBAL.product_name_version: v02_48 NC_GLOBAL.product_name_producer: G NC_GLOBAL.product_name_extension: nc NC_GLOBAL.granule_number: 179 NC_GLOBAL.product_name_granule_number: g179 NC_GLOBAL.geospatial_lat_mid: -18.1554222 NC_GLOBAL.geospatial_lon_mid: -63.5739479 NC_GLOBAL.featureType: trajectory NC_GLOBAL.data_structure: trajectory NC_GLOBAL.cdm_data_type: Trajectory NC_GLOBAL.id: 10.5067/WIG2N5C20MRJ NC_GLOBAL.naming_authority: http://dx.doi.org/ NC_GLOBAL.identifier_product_doi: 10.5067/WIG2N5C20MRJ NC_GLOBAL.identifier_product_doi_authority: http://dx.doi.org/ NC_GLOBAL.algorithm_version: v1.1.1 NC_GLOBAL.production_host: Linux ac23-local 3.10.0-1160.15.2.el7.x86_64 #1 SMP Wed Feb 3 15:06:38 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux NC_GLOBAL.format_version: v02.02.07 NC_GLOBAL.input_file_names: SNDR.J1.CRIS.20210313T1748.m06.g179.L1B.std.v02_11.G.210314024609.nc leap-seconds.list NC_GLOBAL.input_file_types: CrIS_L1B data NC_GLOBAL.input_file_dates: 2021-3-13 git repo NC_GLOBAL.orbitDirection: Ascending NC_GLOBAL.day_night_flag: Day NC_GLOBAL.AutomaticQualityFlag: Passed NC_GLOBAL.AutomaticQualityFlagExplanation: 'Passed': all spectra are present and calibrated with no quality issues; 'Suspect': at least one spectrum is missing or calibrated with quality issues; 'Failed': no calibrated spectra; 'Missing': no downlinked data. NC_GLOBAL.qa_pct_data_missing: 0.00000000 NC_GLOBAL.qa_pct_data_geo: 100.000000 NC_GLOBAL.qa_pct_data_sci_mode: 100.000000 NC_GLOBAL.qa_no_data: FALSE NC_GLOBAL.title: Sounder SIPS: Sun Synchronous 13:30 orbit Climate Hyperspectral InfraRed Product (CHIRP): Calibrated Radiances from EOS-Aqua, S-NPP, JPSS-1/NOAA-20 NC_GLOBAL.summary: The CHIRP Level 1 product for the 13:30 sun-synchronous orbit consists of calibrated radiance spectra at a common resolution derived from hyperspectral instruments on EOS-Aqua, S-NPP, and JPSS-1/NOAA-20 platforms adjusted to form a continuous climate-quality record. NC_GLOBAL.shortname: SNDR13CHRP1 NC_GLOBAL.product_group: l1_chirp NC_GLOBAL.metadata_link: http://disc.sci.gsfc.nasa.gov/ NC_GLOBAL.references: NC_GLOBAL.contributor_name: UMBC Atmospheric Spectroscopy Laboratory: Larrabee Strow NC_GLOBAL.contributor_role: CrIS L1B Scientist NC_GLOBAL.wnum_delta_lw: 0.625000000 NC_GLOBAL.wnum_delta_mw: 0.833333313 NC_GLOBAL.wnum_delta_sw: 1.25000000 NC_GLOBAL.product_version: v02.48.00 NC_GLOBAL.product_name: SNDR.SS1330.CHIRP.20210313T1748.m06.g179.L1_J1.std.v02_48.G.200409064000.nc NC_GLOBAL.product_name_timestamp: 200409064000 NC_GLOBAL.gran_id: 20210313T1748
Variables:
obs_id
: Array of strings [obs = 0..12149]
obs:
long_name: observation id coverage_content_type: referenceInformation description: unique earth view observation identifier.
obs_time_tai93
: Array of 64 bit Reals [obs = 0..12149]
obs:
valid_range: -2934835217.000000, 3376598410.000000 long_name: earth view FOV midtime _FillValue: 9.969209968386869e+36 coverage_content_type: referenceInformation standard_name: time units: seconds since 1993-01-01 00:00 description: earth view observation midtime for each FOV AIRS_HDF_name: Time
obs_time_utc
: Array of 16 bit Unsigned integers [obs = 0..12149][utc_tuple = 0..7]
obs:
utc_tuple:
long_name: earth view UTC FOV time coordinates: utc_tuple_lbl _FillValue: 65535 coverage_content_type: referenceInformation description: UTC earth view observation time as an array of integers: year, month, day, hour, minute, second, millisec, microsec
lat
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: -90.0000000, 90.0000000 long_name: latitude _FillValue: 9.96920997e+36 bounds: lat_bnds coverage_content_type: referenceInformation standard_name: latitude units: degrees_north description: latitude of FOV center AIRS_HDF_name: Latitude
lon
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: -180.000000, 180.000000 long_name: FOV longitude _FillValue: 9.96920997e+36 bounds: lon_bnds coverage_content_type: referenceInformation standard_name: longitude units: degrees_east description: longitude of FOV center AIRS_HDF_name: Longitude
lat_bnds
: Array of 32 bit Reals [obs = 0..12149][fov_poly = 0..7]
obs:
fov_poly:
valid_range: -90.0000000, 90.0000000 long_name: FOV boundary latitudes _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation units: degrees_north description: latitudes of points forming a polygon around the perimeter of the FOV
lon_bnds
: Array of 32 bit Reals [obs = 0..12149][fov_poly = 0..7]
obs:
fov_poly:
valid_range: -180.000000, 180.000000 long_name: FOV boundary longitudes _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation units: degrees_east description: longitudes of points forming a polygon around the perimeter of the FOV
land_frac
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: 0.00000000, 1.00000000 long_name: land fraction coordinates: lon lat _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation standard_name: land_area_fraction units: 1 description: land fraction over the FOV AIRS_HDF_name: landFrac cell_methods: area: mean (beam-weighted)
surf_alt
: Array of 32 bit Reals [obs = 0..12149]
obs:
ancillary_variables: surf_alt_sdev valid_range: -500.000000, 10000.0000 long_name: surface altitude coordinates: lon lat _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation standard_name: surface_altitude units: m description: mean surface altitude wrt earth model over the FOV AIRS_HDF_name: topog cell_methods: area: mean (beam-weighted)
surf_alt_sdev
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: 0.00000000, 10000.0000 long_name: surface altitude standard deviation coordinates: lon lat _FillValue: 9.96920997e+36 coverage_content_type: qualityInformation units: m description: standard deviation of surface altitude within the FOV AIRS_HDF_name: topog_err cell_methods: area: standard_deviation (beam-weighted)
sun_glint_lat
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: -90.0000000, 90.0000000 long_name: sun glint latitude coordinates: subsat_lon subsat_lat _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation standard_name: latitude units: degrees_north description: sun glint spot latitude at scan_mid_time. Fill for night observations. AIRS_HDF_name: glintlat
sun_glint_lon
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: -180.000000, 180.000000 long_name: sun glint longitude coordinates: subsat_lon subsat_lat _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation standard_name: longitude units: degrees_east description: sun glint spot longitude at scan_mid_time. Fill for night observations. AIRS_HDF_name: glintlon
sol_zen
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: 0.00000000, 180.000000 long_name: solar zenith angle coordinates: lon lat _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation standard_name: solar_zenith_angle units: degree description: solar zenith angle at the center of the FOV AIRS_HDF_name: solzen
sol_azi
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: 0.00000000, 360.000000 long_name: solar azimuth angle coordinates: lon lat _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation standard_name: solar_azimuth_angle units: degree description: solar azimuth angle at the center of the FOV (clockwise from North) AIRS_HDF_name: solazi
sun_glint_dist
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: 0.00000000, 30000000.0 long_name: sun glint distance coordinates: lon lat _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation units: m description: Distance from the center of the calculated sun glint spot to the center of the spot. Note that there may not be a glint for cloudy or land cases and in ocean cases the glint can move based on wind conditions. Fill for night observations. AIRS_HDF_name: sun_glint_distance
view_ang
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: 0.00000000, 180.000000 long_name: view angle coordinates: lon lat _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation standard_name: sensor_view_angle units: degree description: off nadir pointing angle AIRS_HDF_name: scanang
sat_zen
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: 0.00000000, 180.000000 long_name: satellite zenith angle coordinates: lon lat _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation standard_name: sensor_zenith_angle units: degree description: satellite zenith angle at the center of the FOV AIRS_HDF_name: satzen
sat_azi
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: 0.00000000, 360.000000 long_name: satellite azimuth angle coordinates: lon lat _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation standard_name: sensor_azimuth_angle units: degree description: satellite azimuth angle at the center of the FOV (clockwise from North) AIRS_HDF_name: satazi
sat_range
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: 100000.000, 10000000.0 long_name: satellite range coordinates: lon lat _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation units: m description: line of sight distance between satellite and FOV center
asc_flag
: Array of Bytes [obs = 0..12149]
obs:
valid_range: 0, 1 long_name: ascending orbit flag coordinates: subsat_lon subsat_lat _FillValue: 255 flag_values: 0, 1 coverage_content_type: referenceInformation description: ascending orbit flag: 1 if ascending, 0 descending AIRS_HDF_name: scan_node_type flag_meanings: descending ascending
subsat_lat
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: -90.0000000, 90.0000000 long_name: sub-satellite latitude _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation standard_name: latitude units: degrees_north description: sub-satellite latitude at scan_mid_time AIRS_HDF_name: sat_lat
subsat_lon
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: -180.000000, 180.000000 long_name: sub-satellite longitude _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation standard_name: longitude units: degrees_east description: sub-satellite longitude at scan_mid_time AIRS_HDF_name: sat_lon
scan_mid_time
: Array of 64 bit Reals [obs = 0..12149]
obs:
valid_range: -2934835217.000000, 3376598410.000000 long_name: midscan TAI93 coordinates: subsat_lon subsat_lat _FillValue: 9.969209968386869e+36 coverage_content_type: referenceInformation standard_name: time units: seconds since 1993-01-01 00:00 description: TAI93 at middle of earth scene scans AIRS_HDF_name: nadirTAI
sat_alt
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: 100000.000, 1000000.00 long_name: satellite altitude coordinates: subsat_lon subsat_lat _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation standard_name: altitude units: m description: satellite altitude with respect to earth model at scan_mid_time AIRS_HDF_name: satheight
local_solar_time
: Array of 32 bit Reals [obs = 0..12149]
obs:
valid_range: 0.00000000, 24.0000000 long_name: local apparent solar time coordinates: lon lat _FillValue: 9.96920997e+36 coverage_content_type: referenceInformation units: hours description: local apparent solar time in hours from midnight
utc_tuple_lbl
: Array of strings [utc_tuple = 0..7]
utc_tuple:
long_name: UTC date/time parts coverage_content_type: auxiliaryInformation description: names of the elements of UTC when it is expressed as an array of integers year,month,day,hour,minute,second,millisecond,microsecond
rad
: Array of 32 bit Reals [obs = 0..12149][wnum = 0..1678]
obs:
wnum:
units: mW/(m2 sr cm-1) ancillary_variables: rad_qc synth_frac chan_qc long_name: spectral radiance standard_name: toa_outgoing_radiance_per_unit_wavenumber coordinates: lon lat description: spectral radiance _FillValue: 9.96920997e+36 coverage_content_type: physicalMeasurement
rad_qc
: Array of 16 bit Integers [obs = 0..12149]
obs:
valid_range: 0, 2 long_name: rad QC standard_name: toa_outgoing_radiance_per_unit_wavenumber status_flag coordinates: lon lat description: rad QC flag _FillValue: -1 coverage_content_type: qualityInformation flag_meanings: Best Good Do_Not_Use flag_values: 0, 1, 2
synth_frac
: Grid of Array of 32 bit Reals [wnum = 0..1678]
wnum:
synth_frac.units: 1 synth_frac.valid_range: 0.00000000, 1.00000000 synth_frac.long_name: Fraction synthesized synth_frac.description: File mean fraction of signal that is attributed to synthesized AIRS Level-1C values synth_frac._FillValue: 9.96920997e+36 synth_frac.coverage_content_type: qualityInformation wnum.units: cm-1 wnum.valid_range: 640.0000000000000, 2700.000000000000 wnum.long_name: wavenumber wnum.standard_name: sensor_band_central_radiation_wavenumber wnum.description: wavenumber wnum._FillValue: 9.969209968386869e+36 wnum.coverage_content_type: auxiliaryInformation
chan_qc
: Grid of Array of 16 bit Integers [wnum = 0..1678]
wnum:
chan_qc.valid_range: 0, 2 chan_qc.long_name: Channel QC chan_qc.standard_name: toa_outgoing_radiance_per_unit_wavenumber status_flag chan_qc.description: Quality of each channel. chan_qc._FillValue: -1 chan_qc.coverage_content_type: qualityInformation chan_qc.flag_meanings: Best Good Do_Not_Use chan_qc.flag_values: 0, 1, 2 wnum.units: cm-1 wnum.valid_range: 640.0000000000000, 2700.000000000000 wnum.long_name: wavenumber wnum.standard_name: sensor_band_central_radiation_wavenumber wnum.description: wavenumber wnum._FillValue: 9.969209968386869e+36 wnum.coverage_content_type: auxiliaryInformation
nedn
: Array of 32 bit Reals [fov = 0..8][wnum = 0..1678]
fov:
wnum:
units: mW/(m2 sr cm-1) long_name: noise equivalent differential radiance description: noise equivalent differential radiance _FillValue: 9.96920997e+36 coverage_content_type: qualityInformation
atrack
: Array of Bytes [obs = 0..12149]
obs:
units: 1 valid_range: 1, 45 long_name: Along-track FOR index coordinates: lon lat axis: Y description: Along-track index of Field Of Regard _FillValue: 255 coverage_content_type: auxiliaryInformation
xtrack
: Array of Bytes [obs = 0..12149]
obs:
units: 1 valid_range: 1, 30 long_name: Cross-track FOR index coordinates: lon lat axis: X description: Cross-track index of Field Of Regard _FillValue: 255 coverage_content_type: auxiliaryInformation
fov_num
: Array of Bytes [obs = 0..12149]
obs:
units: 1 valid_range: 1, 9 long_name: Field Of View number coordinates: lon lat description: Field Of View number in FOR _FillValue: 255 coverage_content_type: auxiliaryInformation
airs_atrack
: Array of Bytes [obs = 0..12149]
obs:
units: 1 valid_range: 1, 135 long_name: Along-track AIRS FOV index coordinates: lon lat axis: Y description: AIRS-like along-track index of Field Of View _FillValue: 255 coverage_content_type: auxiliaryInformation
airs_xtrack
: Array of Bytes [obs = 0..12149]
obs:
units: 1 valid_range: 1, 90 long_name: Cross-track AIRS FOV index coordinates: lon lat axis: X description: AIRS-like cross-track index of Field Of View _FillValue: 255 coverage_content_type: auxiliaryInformation
wnum
: Array of 64 bit Reals [wnum = 0..1678]
wnum:
units: cm-1 valid_range: 640.0000000000000, 2700.000000000000 long_name: wavenumber standard_name: sensor_band_central_radiation_wavenumber description: wavenumber _FillValue: 9.969209968386869e+36 coverage_content_type: auxiliaryInformation
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