| title: | S-NPP CrIS IMG: Collocated VIIRS level 1 / cloud mask statistical summary |
| project: | NASA CrIS L1B Science and Software Team |
| institution: | Space Science & Engineering Center, University of Wisconsin - Madison |
| processing_level: | 2 |
| Conventions: | CF-1.7, ACDD-1.3 |
| platform: | SUOMI-NPP > Suomi National Polar-orbiting Partnership |
| platform_vocabulary: | GCMD:GCMD Keywords |
| time_coverage_start: | 2019-06-13T09:00:00Z |
| time_coverage_end: | 2019-06-13T09:06:00Z |
| geospatial_lat_min: | 12.0171099 |
| geospatial_lat_max: | 35.7593231 |
| geospatial_lon_min: | -123.256920 |
| geospatial_lon_max: | -96.1617050 |
| geospatial_bounds: | POLYGON ((32.44 -96.46, 35.61 -119.42, 14.73 -122.91, 12.10 -103.42, 32.44 -96.46)) |
| orbitDirection: | Descending |
| inputs: | CLDMSK_L2_VIIRS_SNPP.A2019164.0854.001.2019164193243.nc, CLDMSK_L2_VIIRS_SNPP.A2019164.0900.001.2019164193234.nc, CLDMSK_L2_VIIRS_SNPP.A2019164.0906.001.2019164193253.nc, SNDR.SNPP.CRIS.20190613T0900.m06.g091.L1B.std.v2_0_15.W.190808205849.nc, VNP02MOD.A2019164.0854.001.2019164133949.uwssec.nc, VNP02MOD.A2019164.0900.001.2019164133949.uwssec.nc, VNP02MOD.A2019164.0906.001.2019164133945.uwssec.nc, VNP03MOD.A2019164.0854.001.2019164133945.uwssec.nc, VNP03MOD.A2019164.0900.001.2019164133944.uwssec.nc, VNP03MOD.A2019164.0906.001.2019164133943.uwssec.nc |
| creator_name: | NASA Suomi-NPP Atmosphere SIPS |
| creator_url: | https://sips.ssec.wisc.edu/ |
| creator_email: | sips.admin@ssec.wisc.edu |
| publisher_name: | Goddard Earth Science Data and Information Services Center |
| publisher_url: | http://disc.sci.gsfc.nasa.gov/ |
| publisher_email: | gsfc-help-disc@lists.nasa.gov |
| license: | Freely Distributed |
| product_version: | 2.0 |
| date_created: | 2020-06-23T19:42:59Z |
| source: | cris_l1 2.0.15; viirs_l1 2.0.2; CLDMSK_L2_VIIRS 1.0 |
| algorithm_version: | crisimg 0.1.13; collopak 0.1.78 |
| short_name: | SNDRSNCrISL1BIMG |
| id: | 10.5067/NC505NHFIHCY |
| naming_authority: | http://dx.doi.org/ |
| viirs_subset: | Array of Strings [viirs_subset = 0..2] long_name: Subset of CrIS-collocated VIIRS pixels included comment: All pixels, Clear, Cloudy |
| viirs_refl_band: | Array of Strings [viirs_refl_band = 0..10] long_name: VIIRS reflective band comment: M01, M02, M03, M04, M05, M06, M07, M08, M09, M10, M11 |
| viirs_emis_band: | Array of Strings [viirs_emis_band = 0..4] long_name: VIIRS emissive band comment: M12, M13, M14, M15, M16 |
| viirs_cris_band: | Array of Strings [viirs_cris_band = 0..2] long_name: VIIRS band with CrIS spectral overlap comment: M13, M15, M16 |
| obs_time_tai93: | Array of 64 bit Reals [atrack = 0..44][xtrack = 0..29] long_name: CrIS observation time comment: TAI93 format; epoch is 1993-01-01 0Z UTC; count includes leap seconds units: seconds since 1993-01-01 00:00:27 _FillValue: -999.0000000000000 |
| lat: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8] long_name: CrIS FOV center latitude units: degrees_north valid_range: -90.0000000, 90.0000000 standard_name: latitude _FillValue: -999.000000 |
| lon: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8] long_name: CrIS FOV center longitude units: degrees_east valid_range: -180.000000, 180.000000 standard_name: longitude _FillValue: -999.000000 |
| sat_zen: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8] long_name: Zenith angle to satellite from CrIS FOV center units: degrees valid_range: 0.00000000, 90.0000000 standard_name: sensor_zenith_angle coordinates: lat lon _FillValue: -999.000000 |
| sat_azi: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8] long_name: Azimuth angle to satellite from CrIS FOV center units: degrees valid_range: 0.00000000, 360.000000 comment: North is 0, east is 90 standard_name: sensor_azimuth_angle coordinates: lat lon _FillValue: -999.000000 |
| sol_zen: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8] long_name: Zenith angle to sun from CrIS FOV center units: degrees valid_range: 0.00000000, 180.000000 standard_name: solar_zenith_angle coordinates: lat lon _FillValue: -999.000000 |
| sol_azi: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8] long_name: Azimuth angle to sun from CrIS FOV center units: degrees valid_range: 0.00000000, 360.000000 comment: North is 0, east is 90 standard_name: solar_azimuth_angle coordinates: lat lon _FillValue: -999.000000 |
| viirs_count: | Array of 16 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8][viirs_subset = 0..2] long_name: Number of VIIRS pixels within CrIS FOV coordinates: lat lon _FillValue: -999 |
| viirs_cloud_frac: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8] long_name: Fraction of VIIRS pixels within CrIS FOV flagged as cloudy valid_range: 0.00000000, 1.00000000 coordinates: lat lon _FillValue: -999.000000 |
| viirs_thin_cirrus_frac_refl: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8] long_name: Fraction of tested VIIRS pixels within CrIS FOV flagged with thin cirrus via 1.38\316\274m test valid_range: 0.00000000, 1.00000000 coordinates: lat lon _FillValue: -999.000000 |
| viirs_thin_cirrus_frac_emis: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8] long_name: Fraction of tested VIIRS pixels within CrIS FOV flagged with thin cirrus via 11\316\274m/12\316\274m test valid_range: 0.00000000, 1.00000000 coordinates: lat lon _FillValue: -999.000000 |
| viirs_thin_cirrus_test_count_refl: | Array of 16 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8] long_name: Number of VIIRS pixels within CrIS FOV tested for thin cirrus via 1.38\316\274m test coordinates: lat lon _FillValue: -999 |
| viirs_thin_cirrus_test_count_emis: | Array of 16 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8] long_name: Number of VIIRS pixels within CrIS FOV tested for thin cirrus via 11\316\274m/12\316\274m test coordinates: lat lon _FillValue: -999 |
| viirs_daytime_frac: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][viirs_subset = 0..2] long_name: Fraction of VIIRS pixels within CrIS FOV that are in daylight comment: Daytime defined as in VIIRS cloud mask, solar zenith angle less than 85 degrees valid_range: 0.00000000, 1.00000000 coordinates: lat lon _FillValue: -999.000000 |
| viirs_refl: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][viirs_subset = 0..2][viirs_refl_band = 0..10] long_name: Mean VIIRS reflectance within CrIS FOV units: 1 coordinates: lat lon _FillValue: -999.000000 |
| viirs_refl_sdev: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][viirs_subset = 0..2][viirs_refl_band = 0..10] long_name: VIIRS reflectance standard deviation within CrIS FOV units: 1 coordinates: lat lon _FillValue: -999.000000 |
| viirs_refl_rad: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][viirs_subset = 0..2][viirs_refl_band = 0..10] long_name: Mean VIIRS reflective band radiance within CrIS FOV units: W/(m2 sr \316\274m) standard_name: toa_outgoing_radiance_per_unit_wavelength coordinates: lat lon _FillValue: -999.000000 |
| viirs_refl_rad_sdev: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][viirs_subset = 0..2][viirs_refl_band = 0..10] long_name: VIIRS reflective band radiance standard deviation within CrIS FOV units: W/(m2 sr \316\274m) coordinates: lat lon _FillValue: -999.000000 |
| viirs_bt: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][viirs_subset = 0..2][viirs_emis_band = 0..4] long_name: VIIRS brightness temperature within CrIS FOV units: K standard_name: toa_brightness_temperature comment: Calculated from viirs_emis_rad and VIIRS spectral response coordinates: lat lon _FillValue: -999.000000 |
| viirs_bt_sdev: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][viirs_subset = 0..2][viirs_emis_band = 0..4] long_name: VIIRS brightness temperature deviation within CrIS FOV units: K comment: Brightness temperature increase resulting from adding one viirs_emis_rad_sdev to viirs_emis_rad coordinates: lat lon _FillValue: -999.000000 |
| viirs_emis_rad: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][viirs_subset = 0..2][viirs_emis_band = 0..4] long_name: Mean VIIRS emissive band radiance within CrIS FOV units: W/(m2 sr \316\274m) standard_name: toa_outgoing_radiance_per_unit_wavelength coordinates: lat lon _FillValue: -999.000000 |
| viirs_emis_rad_sdev: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][viirs_subset = 0..2][viirs_emis_band = 0..4] long_name: VIIRS emissive band radiance standard deviation within CrIS FOV units: W/(m2 sr \316\274m) coordinates: lat lon _FillValue: -999.000000 |
| cris_rad: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][viirs_cris_band = 0..2] long_name: CrIS radiance over VIIRS band spectral response units: W/(m2 sr \316\274m) standard_name: toa_outgoing_radiance_per_unit_wavelength coordinates: lat lon _FillValue: -999.000000 |
| cris_bt: | Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][viirs_cris_band = 0..2] long_name: CrIS brightness temperature over VIIRS band spectral response units: K comment: Calculated from cris_rad and VIIRS spectral response standard_name: toa_brightness_temperature coordinates: lat lon _FillValue: -999.000000 |