SNDR.SNPP.CRIS.20250101T1954.m06.g200.IMG.std.v2_4.W.250102082346.nc http://xml.opendap.org/ns/DAP/3.2# http://xml.opendap.org/dap/dap3.2.xsd http://xml.opendap.org/transforms/ddxToRdfTriples.xsl 3.2 /SNPP_Sounder_Level1/SNDRSNCrISL1BIMG.2/2025/001/SNDR.SNPP.CRIS.20250101T1954.m06.g200.IMG.std.v2_4.W.250102082346.nc NC_GLOBAL Container title String S-NPP CrIS IMG: Collocated VIIRS level 1 / cloud mask statistical summary project String NASA CrIS L1B Science and Software Team institution String Space Science & Engineering Center, University of Wisconsin - Madison processing_level String 2 Conventions String CF-1.7, ACDD-1.3 platform String SUOMI-NPP > Suomi National Polar-orbiting Partnership platform_vocabulary String GCMD:GCMD Keywords time_coverage_start String 2025-01-01T19:54:00.00Z time_coverage_end String 2025-01-01T20:00:00.00Z geospatial_lat_min Float32 53.7668495 geospatial_lat_max Float32 79.6756668 geospatial_lon_min Float32 74.7848740 geospatial_lon_max Float32 143.465683 geospatial_bounds String POLYGON ((143.46 68.98, 76.43 79.48, 77.00 58.69, 110.90 53.81, 143.46 68.98)) orbitDirection String Descending inputs String CLDMSK_L2_VIIRS_SNPP.A2025001.1948.001.2025002081356.nc, CLDMSK_L2_VIIRS_SNPP.A2025001.1954.001.2025002080407.nc, CLDMSK_L2_VIIRS_SNPP.A2025001.2000.001.2025002081358.nc, SNDR.SNPP.CRIS.20250101T1954.m06.g200.L1B.std.v3_0_8.W.250102081645.nc, VNP02MOD.A2025001.1948.002.2025002075100.uwssec.nc, VNP02MOD.A2025001.1954.002.2025002080050.uwssec.nc, VNP02MOD.A2025001.2000.002.2025002081049.uwssec.nc, VNP03MOD.A2025001.1948.002.2025002075544.uwssec.nc, VNP03MOD.A2025001.1954.002.2025002075547.uwssec.nc, VNP03MOD.A2025001.2000.002.2025002080551.uwssec.nc creator_name String NASA Atmosphere SIPS creator_url String https://sips.ssec.wisc.edu/ creator_email String sips.admin@ssec.wisc.edu publisher_name String Goddard Earth Science Data and Information Services Center publisher_url String http://disc.sci.gsfc.nasa.gov/ publisher_email String gsfc-help-disc@lists.nasa.gov license String Freely Distributed product_version String 2.4 date_created String 2025-01-02T08:23:46Z source String cris_l1 3.0.8; viirs_l1 3.1.0; CLDMSK_L2_VIIRS 1.0.5 algorithm_version String crisimg 0.1.15; julia_cris_viirs 0.2.0 short_name String SNDRSNCrISL1BIMG id String 10.5067/NC505NHFIHCY naming_authority String http://dx.doi.org/ viirs_subset viirs_subset long_name String Subset of CrIS-collocated VIIRS pixels included comment String All pixels, Clear, Cloudy viirs_subset 3 viirs_refl_band viirs_refl_band long_name String VIIRS reflective band comment String M01, M02, M03, M04, M05, M06, M07, M08, M09, M10, M11 viirs_refl_band 11 viirs_emis_band viirs_emis_band long_name String VIIRS emissive band comment String M12, M13, M14, M15, M16 viirs_emis_band 5 viirs_cris_band viirs_cris_band long_name String VIIRS band with CrIS spectral overlap comment String M13, M15, M16 viirs_cris_band 3 obs_time_tai93 obs_time_tai93 long_name String CrIS observation time comment String TAI93 format; epoch is 1993-01-01 0Z UTC; count includes leap seconds units String seconds since 1993-01-01 00:00:27 _FillValue Float64 -999.0000000000000 atrack 45 xtrack 30 lat lat long_name String CrIS FOV center latitude units String degrees_north valid_range Float32 -90.0000000 90.0000000 standard_name String latitude _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 lon lon long_name String CrIS FOV center longitude units String degrees_east valid_range Float32 -180.000000 180.000000 standard_name String longitude _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 sat_zen sat_zen long_name String Zenith angle to satellite from CrIS FOV center units String degrees valid_range Float32 0.00000000 90.0000000 standard_name String sensor_zenith_angle coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 sat_azi sat_azi long_name String Azimuth angle to satellite from CrIS FOV center units String degrees valid_range Float32 0.00000000 360.000000 comment String North is 0, east is 90 standard_name String sensor_azimuth_angle coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 sol_zen sol_zen long_name String Zenith angle to sun from CrIS FOV center units String degrees valid_range Float32 0.00000000 180.000000 standard_name String solar_zenith_angle coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 sol_azi sol_azi long_name String Azimuth angle to sun from CrIS FOV center units String degrees valid_range Float32 0.00000000 360.000000 comment String North is 0, east is 90 standard_name String solar_azimuth_angle coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_count viirs_count long_name String Number of VIIRS pixels within CrIS FOV coordinates String lat lon _FillValue Int16 -999 atrack 45 xtrack 30 fov 9 viirs_subset 3 viirs_cloud_frac viirs_cloud_frac long_name String Fraction of VIIRS pixels within CrIS FOV flagged as cloudy valid_range Float32 0.00000000 1.00000000 coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_thin_cirrus_frac_refl viirs_thin_cirrus_frac_refl long_name String Fraction of tested VIIRS pixels within CrIS FOV flagged with thin cirrus via 1.38\316\274m test valid_range Float32 0.00000000 1.00000000 coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_thin_cirrus_frac_emis viirs_thin_cirrus_frac_emis long_name String Fraction of tested VIIRS pixels within CrIS FOV flagged with thin cirrus via 11\316\274m/12\316\274m test valid_range Float32 0.00000000 1.00000000 coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_thin_cirrus_test_count_refl viirs_thin_cirrus_test_count_refl long_name String Number of VIIRS pixels within CrIS FOV tested for thin cirrus via 1.38\316\274m test coordinates String lat lon _FillValue Int16 -999 atrack 45 xtrack 30 fov 9 viirs_thin_cirrus_test_count_emis viirs_thin_cirrus_test_count_emis long_name String Number of VIIRS pixels within CrIS FOV tested for thin cirrus via 11\316\274m/12\316\274m test coordinates String lat lon _FillValue Int16 -999 atrack 45 xtrack 30 fov 9 viirs_daytime_frac viirs_daytime_frac long_name String Fraction of VIIRS pixels within CrIS FOV that are in daylight comment String Daytime defined as in VIIRS cloud mask, solar zenith angle less than 85 degrees valid_range Float32 0.00000000 1.00000000 coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_subset 3 viirs_refl viirs_refl long_name String Mean VIIRS reflectance within CrIS FOV units String 1 coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_subset 3 viirs_refl_band 11 viirs_refl_sdev viirs_refl_sdev long_name String VIIRS reflectance standard deviation within CrIS FOV units String 1 coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_subset 3 viirs_refl_band 11 viirs_refl_rad viirs_refl_rad long_name String Mean VIIRS reflective band radiance within CrIS FOV units String W/(m2 sr \316\274m) standard_name String toa_outgoing_radiance_per_unit_wavelength coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_subset 3 viirs_refl_band 11 viirs_refl_rad_sdev viirs_refl_rad_sdev long_name String VIIRS reflective band radiance standard deviation within CrIS FOV units String W/(m2 sr \316\274m) coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_subset 3 viirs_refl_band 11 viirs_bt viirs_bt long_name String VIIRS brightness temperature within CrIS FOV units String K standard_name String toa_brightness_temperature comment String Calculated from viirs_emis_rad and VIIRS spectral response coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_subset 3 viirs_emis_band 5 viirs_bt_sdev viirs_bt_sdev long_name String VIIRS brightness temperature deviation within CrIS FOV units String K comment String Brightness temperature increase resulting from adding one viirs_emis_rad_sdev to viirs_emis_rad coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_subset 3 viirs_emis_band 5 viirs_emis_rad viirs_emis_rad long_name String Mean VIIRS emissive band radiance within CrIS FOV units String W/(m2 sr \316\274m) standard_name String toa_outgoing_radiance_per_unit_wavelength coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_subset 3 viirs_emis_band 5 viirs_emis_rad_sdev viirs_emis_rad_sdev long_name String VIIRS emissive band radiance standard deviation within CrIS FOV units String W/(m2 sr \316\274m) coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_subset 3 viirs_emis_band 5 cris_rad cris_rad long_name String CrIS radiance over VIIRS band spectral response units String W/(m2 sr \316\274m) standard_name String toa_outgoing_radiance_per_unit_wavelength coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_cris_band 3 cris_bt cris_bt long_name String CrIS brightness temperature over VIIRS band spectral response units String K comment String Calculated from cris_rad and VIIRS spectral response standard_name String toa_brightness_temperature coordinates String lat lon _FillValue Float32 -999.000000 atrack 45 xtrack 30 fov 9 viirs_cris_band 3 cid: