S-NPP CrIS IMG: Collocated VIIRS level 1 / cloud mask statistical summary
NASA CrIS L1B Science and Software Team
Space Science & Engineering Center, University of Wisconsin - Madison
2
CF-1.7, ACDD-1.3
SUOMI-NPP > Suomi National Polar-orbiting Partnership
GCMD:GCMD Keywords
2012-12-12T00:18:00Z
2012-12-12T00:24:00Z
51.6273079
77.9507065
139.511429
-158.101608
POLYGON ((51.64 168.45, 56.98 -159.39, 77.78 -159.74, 67.72 139.68, 51.64 168.45))
Ascending
CLDMSK_L2_VIIRS_SNPP.A2012347.0012.001.2019071061109.nc, CLDMSK_L2_VIIRS_SNPP.A2012347.0018.001.2019071061107.nc, CLDMSK_L2_VIIRS_SNPP.A2012347.0024.001.2019071061033.nc, SNDR.SNPP.CRIS.20121212T0018.m06.g004.L1B_NSR.std.v2_0_15.T.180207052753.nc, VNP02MOD.A2012347.0012.001.2017321055352.uwssec.nc, VNP02MOD.A2012347.0018.001.2017321055352.uwssec.nc, VNP02MOD.A2012347.0024.001.2017321055348.uwssec.nc, VNP03MOD.A2012347.0012.001.2017321055707.uwssec.nc, VNP03MOD.A2012347.0018.001.2017321055707.uwssec.nc, VNP03MOD.A2012347.0024.001.2017321055707.uwssec.nc
NASA Suomi-NPP Atmosphere SIPS
https://sips.ssec.wisc.edu/
sips.admin@ssec.wisc.edu
Goddard Earth Science Data and Information Services Center
http://disc.sci.gsfc.nasa.gov/
gsfc-help-disc@lists.nasa.gov
Freely Distributed
2.0
2020-07-20T17:23:28Z
cris_l1 2.0.15; viirs_l1 2.0.2; CLDMSK_L2_VIIRS 1.0
crisimg 0.1.13; collopak 0.1.78
SNDRSNCrISL1BIMG
10.5067/NC505NHFIHCY
http://dx.doi.org/
Subset of CrIS-collocated VIIRS pixels included
All pixels, Clear, Cloudy
VIIRS reflective band
M01, M02, M03, M04, M05, M06, M07, M08, M09, M10, M11
VIIRS emissive band
M12, M13, M14, M15, M16
VIIRS band with CrIS spectral overlap
M13, M15, M16
CrIS observation time
TAI93 format; epoch is 1993-01-01 0Z UTC; count includes leap seconds
seconds since 1993-01-01 00:00:27
-999.0000000000000
CrIS FOV center latitude
degrees_north
-90.0000000
90.0000000
latitude
-999.000000
CrIS FOV center longitude
degrees_east
-180.000000
180.000000
longitude
-999.000000
Zenith angle to satellite from CrIS FOV center
degrees
0.00000000
90.0000000
sensor_zenith_angle
lat lon
-999.000000
Azimuth angle to satellite from CrIS FOV center
degrees
0.00000000
360.000000
North is 0, east is 90
sensor_azimuth_angle
lat lon
-999.000000
Zenith angle to sun from CrIS FOV center
degrees
0.00000000
180.000000
solar_zenith_angle
lat lon
-999.000000
Azimuth angle to sun from CrIS FOV center
degrees
0.00000000
360.000000
North is 0, east is 90
solar_azimuth_angle
lat lon
-999.000000
Number of VIIRS pixels within CrIS FOV
lat lon
-999
Fraction of VIIRS pixels within CrIS FOV flagged as cloudy
0.00000000
1.00000000
lat lon
-999.000000
Fraction of tested VIIRS pixels within CrIS FOV flagged with thin cirrus via 1.38\316\274m test
0.00000000
1.00000000
lat lon
-999.000000
Fraction of tested VIIRS pixels within CrIS FOV flagged with thin cirrus via 11\316\274m/12\316\274m test
0.00000000
1.00000000
lat lon
-999.000000
Number of VIIRS pixels within CrIS FOV tested for thin cirrus via 1.38\316\274m test
lat lon
-999
Number of VIIRS pixels within CrIS FOV tested for thin cirrus via 11\316\274m/12\316\274m test
lat lon
-999
Fraction of VIIRS pixels within CrIS FOV that are in daylight
Daytime defined as in VIIRS cloud mask, solar zenith angle less than 85 degrees
0.00000000
1.00000000
lat lon
-999.000000
Mean VIIRS reflectance within CrIS FOV
1
lat lon
-999.000000
VIIRS reflectance standard deviation within CrIS FOV
1
lat lon
-999.000000
Mean VIIRS reflective band radiance within CrIS FOV
W/(m2 sr \316\274m)
toa_outgoing_radiance_per_unit_wavelength
lat lon
-999.000000
VIIRS reflective band radiance standard deviation within CrIS FOV
W/(m2 sr \316\274m)
lat lon
-999.000000
VIIRS brightness temperature within CrIS FOV
K
toa_brightness_temperature
Calculated from viirs_emis_rad and VIIRS spectral response
lat lon
-999.000000
VIIRS brightness temperature deviation within CrIS FOV
K
Brightness temperature increase resulting from adding one viirs_emis_rad_sdev to viirs_emis_rad
lat lon
-999.000000
Mean VIIRS emissive band radiance within CrIS FOV
W/(m2 sr \316\274m)
toa_outgoing_radiance_per_unit_wavelength
lat lon
-999.000000
VIIRS emissive band radiance standard deviation within CrIS FOV
W/(m2 sr \316\274m)
lat lon
-999.000000
CrIS radiance over VIIRS band spectral response
W/(m2 sr \316\274m)
toa_outgoing_radiance_per_unit_wavelength
lat lon
-999.000000
CrIS brightness temperature over VIIRS band spectral response
K
Calculated from cris_rad and VIIRS spectral response
toa_brightness_temperature
lat lon
-999.000000