Dataset Information

keywords: EARTH SCIENCE > SPECTRAL/ENGINEERING > INFRARED WAVELENGTHS > INFRARED RADIANCE
Conventions: CF-1.6, ACDD-1.3
source: CrIS and ATMS instrument telemetry
processing_level: 2
product_name_type_id: L2_CLIMCAPS_CCR_NSR
acknowledgment: Support for this research was provided by NASA.
standard_name_vocabulary: CF Standard Name Table v28
project: Sounder SIPS
product_name_project: SNDR
geospatial_bounds_crs: EPSG:4326
time_coverage_duration: P0000-00-00T00:06:00
product_name_duration: m06
creator_type: institution
keywords_vocabulary: GCMD:GCMD Keywords
platform: SUOMI-NPP > Suomi National Polar-orbiting Partnership
platform_vocabulary: GCMD:GCMD Keywords
product_name_platform: SNPP
instrument: CRIMSS > Cross-track Infrared and Advanced Technology Microwave Sounders, CrIS > Cross-track Infrared Sounder, ATMS > Advanced Technology Microwave Sounder
instrument_vocabulary: GCMD:GCMD Keywords
product_name_instr: CRIMSS
product_name_extension: nc
featureType: point
data_structure: swath
cdm_data_type: Swath
format_version: v02.00.29
title: Level-2 CLIMCAPS SNPP CrIMSS Clear Radiances
summary: The Level-2 CLIMCAPS cloud-cleared product includes infrared radiances adjusted to simulate clear-sky conditions.
shortname: SNDRSNIML2CCPCCRN
product_group: l2_crimss_cc
contributor_name: Christopher D. Barnet, STC; L. Larrabee Strow, UMBC; Philip W. Rosenkranz, MIT
contributor_role: Retrieval PI; Forward Model PI; Microwave PI
history: Created on 2018-03-26 by L2 SNPP CLIMCAPS PGE at JPL/Caltech Sounder SIPS Operations; 2019-04-16T06:00:00 nppops crimss_postproc.pro v011 gran=20150402T0112
license: Limited to SNPP Sounder affiliates
date_created: 2019-04-16T06:00:00
creator_name: Jet Propulsion Laboratory - California Institute of Technology
creator_email: sounder.sips@jpl.nasa.gov
creator_url: http://www.jpl.nasa.gov/
institution: Jet Propulsion Laboratory - California Institute of Technology
publisher_name: Sounder SIPS: JPL/Caltech
publisher_email: sounder.sips@jpl.nasa.gov
publisher_url: Unassigned
geospatial_bounds: POLYGON ((64.27 49.66, 71.69 0.05, 50.86 -1.39, 46.84 27.32, 64.27 49.66))
geospatial_lat_min: 46.83835983
geospatial_lat_max: 71.87023163
geospatial_lon_min: -1.949345350
geospatial_lon_max: 49.88072586
time_coverage_start: 2015-04-02T01:12:00Z
time_of_first_valid_obs: 2015-04-02T01:12:02.167112Z
time_coverage_mid: 2015-04-02T01:15:00Z
time_coverage_end: 2015-04-02T01:18:00Z
time_of_last_valid_obs: 2015-04-02T01:18:02.167112Z
creator_institution: Jet Propulsion Laboratory - California Institute of Technology
product_version: v01.33.00
product_name: SNDR.SNPP.CRIMSS.20150402T0112.m06.g013.L2_CLIMCAPS_CCR_NSR.std.v01_33_00.J.190416125929.nc
product_name_variant: std
product_name_version: v01_33_00
product_name_producer: J
product_name_timestamp: 190416125929
granule_number: 13
product_name_granule_number: g013
gran_id: 20150402T0112
geospatial_lat_mid: 59.96083450
geospatial_lon_mid: 19.16119957
id: 10.5067/OHLUJ5AT5M27
naming_authority: http://dx.doi.org
identifier_product_doi: 10.5067/OHLUJ5AT5M27
identifier_product_doi_authority: http://dx.doi.org
algorithm_version: CLIMCAPS v1.01 (1/2/2018)
production_host: Linux squall.jpl.nasa.gov 2.6.32-696.1.1.el6.x86_64 #1 SMP Tue Apr 11 17:13:24 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
input_file_names: SNDR.SNPP.CRIS.20150402T0112.m06.g013.L1B_NSR.std.v01_08.G.170421015630.nc; SNDR.SNPP.ATMS.20150402T0106.m06.g012.L1B.std.v01_08.G.170421052658.nc; SNDR.SNPP.ATMS.20150402T0112.m06.g013.L1B.std.v01_08.G.170421052713.nc; SNDR.SNPP.ATMS.20150402T0118.m06.g014.L1B.std.v01_08.G.170421052633.nc; MERRA2_400.inst3_3d_asm_Nv.20150401.nc4; MERRA2_400.inst3_3d_asm_Nv.20150402.nc4; MERRA2_400.inst3_3d_asm_Nv.20150403.nc4; NCEP.2015.04.02.T03Z.gfs_1_PGrb2F03.A15091212752; NCEP.2015.04.02.T00Z.gfs_1_PGrb2F06.A15091152753; NCEP.2015.04.02.T03Z.gfs_1_PGrb2F09.A15091152823
input_file_types: CRIS_L1B; ATMS_L1B; ATMS_L1B; ATMS_L1B; MERRA; MERRA; MERRA; GFS_F03; GFS_F06; GFS_F09
input_file_dates: 2017-04-20; 2017-04-21; 2017-04-21; 2017-04-21; Unknown; Unknown; Unknown; 2015-04-02; 2015-04-02; 2015-04-02
orbitDirection: Descending
day_night_flag: Night
AutomaticQualityFlag: Passed
qa_pct_data_missing: 0.000000000
qa_pct_data_geo: 100.0000000
qa_pct_data_sci_mode: 100.0000000
qa_no_data: FALSE
metadata_link: http://disc.sci.gsfc.nasa.gov/


Variables in this Dataset

sol_zen: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: degree
valid_range: 0.000000000, 180.0000000
long_name: solar zenith angle
standard_name: solar_zenith_angle
description: solar zenith angle at the center of the spot
AIRS_name: solzen
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sol_zen
fullnamepath: /sol_zen
coordinates: lon lat
cal_mw_qualflag: Array of 32 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: MW quality flags
description: per-observation L1B MW product quality
_FillValue: -2147483647
coverage_content_type: qualityInformation
flag_meanings: quality_degraded quality_invalid rad_cal_qual_degraded rad_cal_qual_invalid spectral_cal_qual_degraded spectral_cal_qual_invalid imag_rad_anomaly lunar_intrusion l1a_missing_es
flag_masks: 3, 3, 12, 12, 48, 48, 64, 128, 256
flag_values: 1, 2, 4, 8, 16, 32, 64, 128, 256
origname: cal_mw_qualflag
fullnamepath: /cal_mw_qualflag
coordinates: lon lat
sat_att: Array of 32 bit Reals [atrack = 0..44][attitude = 0..2]
units: degree
valid_range: -180.0000000, 180.0000000
long_name: satellite attitude
description: satellite attitude at scan_mid_time. An orthogonal triad. First element is angle about the +x (roll) ORB axis. +x axis is positively oriented in the direction of orbital flight. Second element is angle about +y (pitch) ORB axis. +y axis is oriented normal to the orbit plane with the positive sense opposite to that of the orbit's angular momentum vector H. Third element is angle about +z (yaw) axis. +z axis is positively oriented Earthward parallel to the satellite radius vector R from the spacecraft center of mass to the center of the Earth.
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sat_att
fullnamepath: /sat_att
coordinates: subsat_lon subsat_lat angular_lbl
fov_surf_alt_sdev: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
units: m
valid_range: 0.000000000, 10000.00000
long_name: FOV surface altitude standard deviation
description: standard deviation of surface altitude within the FOV
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
cell_methods: area: standard_deviation (beam-weighted)
origname: fov_surf_alt_sdev
fullnamepath: /fov_surf_alt_sdev
coordinates: fov_lon fov_lat
sat_range: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: m
valid_range: 100000.0000, 10000000.00
long_name: satellite range
description: line of sight distance between satellite and spot center
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sat_range
fullnamepath: /sat_range
coordinates: lon lat
fov_land_frac: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
units: 1
valid_range: 0.000000000, 1.000000000
long_name: FOV land fraction
standard_name: land_area_fraction
description: land fraction over the FOV
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
cell_methods: area: mean (beam-weighted)
origname: fov_land_frac
fullnamepath: /fov_land_frac
coordinates: fov_lon fov_lat
obs_time_utc: Array of 16 bit Unsigned integers [atrack = 0..44][xtrack = 0..29][utc_tuple = 0..7]
long_name: earth view UTC FOV time
description: UTC earth view observation time as an array of integers: year, month, day, hour, minute, second, millisec, microsec
_FillValue: 65535
coverage_content_type: referenceInformation
origname: obs_time_utc
fullnamepath: /obs_time_utc
coordinates: utc_tuple_lbl
scan_mid_time: Array of 64 bit Reals [atrack = 0..44]
units: seconds since 1993-01-01 00:00
valid_range: -2934835217.0000000, 3376598410.0000000
long_name: midscan TAI93
standard_name: time
description: TAI93 at middle of earth scene scans
AIRS_name: nadirTAI
_FillValue: 9.9692099683868690e+36
coverage_content_type: referenceInformation
origname: scan_mid_time
fullnamepath: /scan_mid_time
coordinates: subsat_lon subsat_lat
rad_lw_qc: Array of 16 bit Integers [atrack = 0..44][xtrack = 0..29][wnum_lw = 0..716]
valid_range: 0, 2
long_name: rad_lw QC
standard_name: toa_outgoing_radiance_per_unit_wavenumber status_flag
description: rad_lw QC flag
_FillValue: -1
coverage_content_type: qualityInformation
flag_meanings: Best Good Do_Not_Use
flag_values: 0, 1, 2
origname: rad_lw_qc
fullnamepath: /rad_lw_qc
coordinates: lon lat
sol_azi: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: degree
valid_range: 0.000000000, 360.0000000
long_name: solar azimuth angle
standard_name: solar_azimuth_angle
description: solar azimuth angle at the center of the spot (clockwise from North)
AIRS_name: solazi
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sol_azi
fullnamepath: /sol_azi
coordinates: lon lat
obs_time_tai93: Array of 64 bit Reals [atrack = 0..44][xtrack = 0..29]
units: seconds since 1993-01-01 00:00
valid_range: -2934835217.0000000, 3376598410.0000000
long_name: earth view FOV midtime
standard_name: time
description: earth view observation midtime for each FOV
AIRS_name: Time
_FillValue: 9.9692099683868690e+36
coverage_content_type: referenceInformation
origname: obs_time_tai93
fullnamepath: /obs_time_tai93
aux_l2_chi2_h2o: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: chi2 H2O vap
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: Water vapor chi^2 of alpha(1)=f(alpha(2)) fitting
origname: chi2_h2o
fullnamepath: /aux_l2/chi2_h2o
aux_l2_softcode: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: softcode
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
description: software rejection code
origname: softcode
fullnamepath: /aux_l2/softcode
aux_l2_ir_x: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: ir_x
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: RMS(rad(IR.ret)-radobs()) for AMSU channels
origname: ir_x
fullnamepath: /aux_l2/ir_x
aux_l2_idprof: Array of Strings [atrack = 0..44][xtrack = 0..29]
long_name: profile ID
coordinates: lon lat
coverage_content_type: referenceInformation
description: profile ID
origname: idprof
fullnamepath: /aux_l2/idprof
aux_l2_totliqwat: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: totliqwat
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: total liquid water (MW)
origname: totliqwat
fullnamepath: /aux_l2/totliqwat
aux_l2_aeff_1: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: aeff_1
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: A_eff(1st eta step)
AIRS_name: CC1_noise_eff_amp_factor
origname: aeff_1
fullnamepath: /aux_l2/aeff_1
aux_l2_chi2_ch4: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: chi2 CH4
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: Methane chi^2 of alpha(1)=f(alpha(2)) fitting
origname: chi2_ch4
fullnamepath: /aux_l2/chi2_ch4
aux_l2_chi2_o3: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: chi2 O3
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: Ozone chi^2 of alpha(1)=f(alpha(2)) fitting
origname: chi2_o3
fullnamepath: /aux_l2/chi2_o3
aux_l2_chi2_so2: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: chi2 SO2
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: Sulfur dioxide chi^2 of alpha(1)=f(alpha(2)) fitting
origname: chi2_so2
fullnamepath: /aux_l2/chi2_so2
aux_l2_chi2_co: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: chi2 CO
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: Carbon monoxide chi^2 of alpha(1)=f(alpha(2)) fitting
origname: chi2_co
fullnamepath: /aux_l2/chi2_co
aux_l2_qualsurf: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: qualsurf
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
description: qualsurf
AIRS_name: Qual_Surf
origname: qualsurf
fullnamepath: /aux_l2/qualsurf
aux_l2_etarej: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: etarej
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: cloud clearing residual used f/ rej at iteration = ieta_rej
AIRS_name: CC1_Resid
origname: etarej
fullnamepath: /aux_l2/etarej
aux_l2_bt2: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: bt2
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: RMS(T(p) f/IR.ret - T(p) f/ AMSU.ret)
origname: bt2
fullnamepath: /aux_l2/bt2
aux_l2_chi2_hno3: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: chi2 HNO3
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: Nitric acid chi^2 of alpha(1)=f(alpha(2)) fitting
origname: chi2_hno3
fullnamepath: /aux_l2/chi2_hno3
aux_l2_cldfrc_tot: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: cldfrc_tot
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: Total cloud fraction over FOR
AIRS_name: TotCld_4_CCfinal
origname: cldfrc_tot
fullnamepath: /aux_l2/cldfrc_tot
aux_l2_chi2_temp: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: chi2 temp
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: Temperature profile chi^2 of alpha(1)=f(alpha(2)) fitting
origname: chi2_temp
fullnamepath: /aux_l2/chi2_temp
aux_l2_ampl_eta: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: ampl_eta
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: cloud clearing noise amplification factor
AIRS_name: CCfinal_Noise_Amp
origname: ampl_eta
fullnamepath: /aux_l2/ampl_eta
aux_l2_aeff_end: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: aeff_end
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: A_eff(last eta step)
AIRS_name: CC_noise_eff_amp_factor
origname: aeff_end
fullnamepath: /aux_l2/aeff_end
aux_l2_chi2_n2o: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: chi2 N2O
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: Nitrous oxide chi^2 of alpha(1)=f(alpha(2)) fitting
origname: chi2_n2o
fullnamepath: /aux_l2/chi2_n2o
aux_l2_a0_cloud: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: a0_cloud
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: intercept of alpha(1)=f(alpha(2)) fitting
origname: a0_cloud
fullnamepath: /aux_l2/a0_cloud
aux_l2_cldfrc_500: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: cldfrc_500
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: Total cloud fraction over FOR below 500 hPa
AIRS_name: TotCld_below_500mb
origname: cldfrc_500
fullnamepath: /aux_l2/cldfrc_500
aux_l2_chi2_co2: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: chi2 CO2
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
units: 1
description: Carbon dioxide chi^2 of alpha(1)=f(alpha(2)) fitting
origname: chi2_co2
fullnamepath: /aux_l2/chi2_co2
aux_l2_qualtemp: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
long_name: qualtemp
coordinates: lon lat
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
description: qualtemp
origname: qualtemp
fullnamepath: /aux_l2/qualtemp
lon: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: degrees_east
valid_range: -180.0000000, 180.0000000
long_name: FOR longitude
standard_name: longitude
description: longitude of FOR center
AIRS_name: Longitude
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
bounds: lon_bnds
origname: lon
fullnamepath: /lon
sun_glint_dist: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: m
valid_range: 0.000000000, 30000000.00
long_name: sun glint distance
description: distance of sun glint spot to the center of the spot. Fill for night observations.
AIRS_name: sun_glint_distance
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sun_glint_dist
fullnamepath: /sun_glint_dist
coordinates: lon lat
fov_lon_bnds: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][fov_poly = 0..7]
units: degrees_east
valid_range: -180.0000000, 180.0000000
long_name: FOV boundary longitudes
description: longitudes of points forming a polygon around the perimeter of the FOV
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: fov_lon_bnds
fullnamepath: /fov_lon_bnds
cal_sw_qualflag: Array of 32 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: SW quality flags
description: per-observation L1B SW product quality
_FillValue: -2147483647
coverage_content_type: qualityInformation
flag_meanings: quality_degraded quality_invalid rad_cal_qual_degraded rad_cal_qual_invalid spectral_cal_qual_degraded spectral_cal_qual_invalid imag_rad_anomaly lunar_intrusion l1a_missing_es
flag_masks: 3, 3, 12, 12, 48, 48, 64, 128, 256
flag_values: 1, 2, 4, 8, 16, 32, 64, 128, 256
origname: cal_sw_qualflag
fullnamepath: /cal_sw_qualflag
coordinates: lon lat
sat_pos: Array of 32 bit Reals [atrack = 0..44][spatial = 0..2]
units: m
long_name: satellite position
description: satellite ECR position at scan_mid_time
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sat_pos
fullnamepath: /sat_pos
coordinates: subsat_lon subsat_lat spatial_lbl
rad_mw_err: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][wnum_mw = 0..436]
units: mW/(m2 sr cm-1)
long_name: rad_mw error estimate
standard_name: toa_outgoing_radiance_per_unit_wavenumber standard_error
description: rad_mw error estimate
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
origname: rad_mw_err
fullnamepath: /rad_mw_err
coordinates: lon lat
asc_node_lon: 32 bit Real
units: degrees_east
valid_range: -180.0000000, 180.0000000
long_name: ascending node
description: Longitude of the last ascending node of spacecraft orbit before time_coverage_end.
AIRS_name: eq_x_longitude
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: asc_node_lon
fullnamepath: /asc_node_lon
asc_node_local_solar_time: 32 bit Real
units: hours
valid_range: 0.000000000, 24.00000000
long_name: local apparent solar time at the ascending node
description: local apparent solar time at the last ascending node before time_coverage_end in hours from midnight
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: asc_node_local_solar_time
fullnamepath: /asc_node_local_solar_time
surf_alt_sdev: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: m
valid_range: 0.000000000, 10000.00000
long_name: FOR surface altitude standard deviation
description: standard deviation of surface altitude within the FOR
AIRS_name: topog_err
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
cell_methods: area: standard_deviation (beam-weighted)
origname: surf_alt_sdev
fullnamepath: /surf_alt_sdev
coordinates: lon lat
lat_bnds: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov_poly = 0..7]
units: degrees_north
valid_range: -90.00000000, 90.00000000
long_name: FOV boundary latitudes
description: latitudes of points forming a polygon around the perimeter of the FOV
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: lat_bnds
fullnamepath: /lat_bnds
sun_glint_lon: Array of 32 bit Reals [atrack = 0..44]
units: degrees_east
valid_range: -180.0000000, 180.0000000
long_name: sun glint longitude
standard_name: longitude
description: sun glint spot longitude at scan_mid_time. Fill for night observations.
AIRS_name: glintlon
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sun_glint_lon
fullnamepath: /sun_glint_lon
coordinates: subsat_lon subsat_lat
utc_tuple_lbl: Array of Strings [utc_tuple = 0..7]
long_name: UTC date/time parts
description: names of the elements of UTC when it is expressed as an array of integers year,month,day,hour,minute,second,millisecond,microsecond
coverage_content_type: auxiliaryInformation
origname: utc_tuple_lbl
fullnamepath: /utc_tuple_lbl
attitude_lbl: Array of Strings [attitude = 0..2]
long_name: rotational direction
description: list of rotational directions (roll, pitch, yaw)
coverage_content_type: auxiliaryInformation
origname: attitude_lbl
fullnamepath: /attitude_lbl
asc_node_tai93: 64 bit Real
units: seconds since 1993-01-01 00:00
valid_range: -2934835217.0000000, 3376598410.0000000
long_name: ascending node time
description: TAI93 time of the last ascending node of spacecraft orbit before time_coverage_end.
AIRS_name: eq_x_tai
_FillValue: 9.9692099683868690e+36
coverage_content_type: referenceInformation
origname: asc_node_tai93
fullnamepath: /asc_node_tai93
rad_mw_qc: Array of 16 bit Integers [atrack = 0..44][xtrack = 0..29][wnum_mw = 0..436]
valid_range: 0, 2
long_name: rad_mw QC
standard_name: toa_outgoing_radiance_per_unit_wavenumber status_flag
description: rad_mw QC flag
_FillValue: -1
coverage_content_type: qualityInformation
flag_meanings: Best Good Do_Not_Use
flag_values: 0, 1, 2
origname: rad_mw_qc
fullnamepath: /rad_mw_qc
coordinates: lon lat
nedn_lw: Array of 32 bit Reals [fov = 0..8][wnum_lw = 0..716]
units: mW/(m2 sr cm-1)
long_name: longwave noise equivalent differential radiance
description: longwave noise equivalent differential radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
origname: nedn_lw
fullnamepath: /nedn_lw
land_frac: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: 1
valid_range: 0.000000000, 1.000000000
long_name: FOR land fraction
standard_name: land_area_fraction
description: land fraction over the FOR
AIRS_name: landFrac
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
cell_methods: area: mean (beam-weighted)
origname: land_frac
fullnamepath: /land_frac
coordinates: lon lat
fov_lat: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
units: degrees_north
valid_range: -90.00000000, 90.00000000
long_name: FOV latitude
standard_name: latitude
description: latitude of FOV center
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
bounds: fov_lat_bnds
origname: fov_lat
fullnamepath: /fov_lat
sat_sol_azi: Array of 32 bit Reals [atrack = 0..44]
units: degree
valid_range: 0.000000000, 360.0000000
long_name: satellite solar azimuth
description: solar azimuth angle at the satellite (clockwise from North)
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sat_sol_azi
fullnamepath: /sat_sol_azi
coordinates: subsat_lon subsat_lat
solar_beta_angle: 32 bit Real
units: degree
valid_range: -90.00000000, 90.00000000
long_name: beta angle
description: Beta angle for the spacecraft orbit, determining the percentage of the orbit that the spacecraft is in direct sunlight.
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: solar_beta_angle
fullnamepath: /solar_beta_angle
lat: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: degrees_north
valid_range: -90.00000000, 90.00000000
long_name: FOR latitude
standard_name: latitude
description: latitude of FOR center
AIRS_name: Latitude
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
bounds: lat_bnds
origname: lat
fullnamepath: /lat
subsat_lat: Array of 32 bit Reals [atrack = 0..44]
units: degrees_north
valid_range: -90.00000000, 90.00000000
long_name: sub-satellite latitude
standard_name: latitude
description: sub-satellite latitude at scan_mid_time
AIRS_name: sat_lat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: subsat_lat
fullnamepath: /subsat_lat
surf_alt: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: m
ancillary_variables: surf_alt_sdev
valid_range: -500.0000000, 10000.00000
long_name: FOR surface altitude
standard_name: surface_altitude
description: mean surface altitude wrt earth model over the FOR
AIRS_name: topog
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
cell_methods: area: mean (beam-weighted)
origname: surf_alt
fullnamepath: /surf_alt
coordinates: lon lat
cal_qualflag: Array of 32 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: L1B quality flags
description: per-observation L1B product quality
_FillValue: -2147483647
coverage_content_type: qualityInformation
flag_meanings: geo_quality_invalid inv_instrument_temp excess_temp_drift fce_detected fce_correction_fail neon_cal_quality_flag isa_degraded_flag l1a_bit_trim_mismatch l1a_eight_sec_missing
flag_masks: 1, 2, 4, 8, 16, 32, 64, 128, 256
flag_values: 1, 2, 4, 8, 16, 32, 64, 128, 256
origname: cal_qualflag
fullnamepath: /cal_qualflag
coordinates: lon lat
mean_anom_wrt_equat: Array of 32 bit Reals [atrack = 0..44]
units: degree
valid_range: 0.000000000, 360.0000000
long_name: mean anomaly with respect to the equator
description: spacecraft mean anomaly measured with respect to the ascending node
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: mean_anom_wrt_equat
fullnamepath: /mean_anom_wrt_equat
coordinates: subsat_lon subsat_lat
nedn_sw: Array of 32 bit Reals [fov = 0..8][wnum_sw = 0..162]
units: mW/(m2 sr cm-1)
long_name: shortwave noise equivalent differential radiance
description: shortwave noise equivalent differential radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
origname: nedn_sw
fullnamepath: /nedn_sw
sat_azi: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: degree
valid_range: 0.000000000, 360.0000000
long_name: satellite azimuth angle
standard_name: sensor_azimuth_angle
description: satellite azimuth angle at the center of the spot (clockwise from North)
AIRS_name: satazi
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sat_azi
fullnamepath: /sat_azi
coordinates: lon lat
lat_geoid: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: degrees_north
valid_range: -90.00000000, 90.00000000
long_name: FOR latitude
standard_name: latitude
description: latitude of FOR center on the geoid (without terrain correction)
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: lat_geoid
fullnamepath: /lat_geoid
fov_lat_bnds: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8][fov_poly = 0..7]
units: degrees_north
valid_range: -90.00000000, 90.00000000
long_name: FOV boundary latitudes
description: latitudes of points forming a polygon around the perimeter of the FOV
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: fov_lat_bnds
fullnamepath: /fov_lat_bnds
spatial_lbl: Array of Strings [spatial = 0..2]
long_name: spatial direction
description: list of spatial directions (X, Y, Z)
coverage_content_type: auxiliaryInformation
origname: spatial_lbl
fullnamepath: /spatial_lbl
sat_sol_zen: Array of 32 bit Reals [atrack = 0..44]
units: degree
valid_range: 0.000000000, 180.0000000
long_name: satellite solar zenith
description: solar zenith angle at the satellite
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sat_sol_zen
fullnamepath: /sat_sol_zen
coordinates: subsat_lon subsat_lat
cal_lw_qualflag: Array of 32 bit Integers [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: LW quality flags
description: per-observation L1B LW product quality
_FillValue: -2147483647
coverage_content_type: qualityInformation
flag_meanings: quality_degraded quality_invalid rad_cal_qual_degraded rad_cal_qual_invalid spectral_cal_qual_degraded spectral_cal_qual_invalid imag_rad_anomaly lunar_intrusion l1a_missing_es
flag_masks: 3, 3, 12, 12, 48, 48, 64, 128, 256
flag_values: 1, 2, 4, 8, 16, 32, 64, 128, 256
origname: cal_lw_qualflag
fullnamepath: /cal_lw_qualflag
coordinates: lon lat
rad_lw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][wnum_lw = 0..716]
units: mW/(m2 sr cm-1)
ancillary_variables: rad_lw_qc rad_lw_err
long_name: longwave clear spectral radiance
standard_name: toa_outgoing_radiance_per_unit_wavenumber
description: longwave clear spectral radiance
_FillValue: 9.969209968e+36
coverage_content_type: physicalMeasurement
origname: rad_lw
fullnamepath: /rad_lw
coordinates: lon lat
fov_obs_id: Array of Strings [atrack = 0..44][xtrack = 0..29][fov = 0..8]
long_name: earth view observation id for FOV
description: unique earth view observation identifier for FOV: yyyymmddThhmm.aaExx.f . Includes gran_id plus 2-digit along-track index (01-45), 2-digit cross-track index (01-30), and 1-digit FOV number (1-9).
coverage_content_type: referenceInformation
origname: fov_obs_id
fullnamepath: /fov_obs_id
lon_geoid: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: degrees_east
valid_range: -180.0000000, 180.0000000
long_name: FOR longitude
standard_name: longitude
description: longitude of FOR center on the geoid (without terrain correction)
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: lon_geoid
fullnamepath: /lon_geoid
rad_mw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][wnum_mw = 0..436]
units: mW/(m2 sr cm-1)
ancillary_variables: rad_mw_qc rad_mw_err
long_name: midwave clear spectral radiance
standard_name: toa_outgoing_radiance_per_unit_wavenumber
description: midwave clear spectral radiance
_FillValue: 9.969209968e+36
coverage_content_type: physicalMeasurement
origname: rad_mw
fullnamepath: /rad_mw
coordinates: lon lat
obs_id: Array of Strings [atrack = 0..44][xtrack = 0..29]
long_name: earth view observation id for FOR
description: unique earth view observation identifier: yyyymmddThhmm.aaExx. Includes gran_id plus 2-digit along-track index (01-45) and 2-digit cross-track index (01-30).
coverage_content_type: referenceInformation
origname: obs_id
fullnamepath: /obs_id
fov_lon: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
units: degrees_east
valid_range: -180.0000000, 180.0000000
long_name: FOV longitude
standard_name: longitude
description: longitude of FOV center
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
bounds: fov_lon_bnds
origname: fov_lon
fullnamepath: /fov_lon
view_ang: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: degree
valid_range: 0.000000000, 180.0000000
long_name: view angle
standard_name: sensor_view_angle
description: off nadir pointing angle
AIRS_name: scanang
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: view_ang
fullnamepath: /view_ang
coordinates: lon lat
fov_surf_alt: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov = 0..8]
units: m
ancillary_variables: surf_alt_sdev
valid_range: -500.0000000, 10000.00000
long_name: FOV surface altitude
standard_name: surface_altitude
description: mean surface altitude wrt earth model over the FOV
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
cell_methods: area: mean (beam-weighted)
origname: fov_surf_alt
fullnamepath: /fov_surf_alt
coordinates: fov_lon fov_lat
rad_sw_qc: Array of 16 bit Integers [atrack = 0..44][xtrack = 0..29][wnum_sw = 0..162]
valid_range: 0, 2
long_name: rad_sw QC
standard_name: toa_outgoing_radiance_per_unit_wavenumber status_flag
description: rad_sw QC flag
_FillValue: -1
coverage_content_type: qualityInformation
flag_meanings: Best Good Do_Not_Use
flag_values: 0, 1, 2
origname: rad_sw_qc
fullnamepath: /rad_sw_qc
coordinates: lon lat
local_solar_time: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: hours
valid_range: 0.000000000, 24.00000000
long_name: local apparent solar time
description: local apparent solar time in hours from midnight
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: local_solar_time
fullnamepath: /local_solar_time
coordinates: lon lat
rad_lw_err: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][wnum_lw = 0..716]
units: mW/(m2 sr cm-1)
long_name: rad_lw error estimate
standard_name: toa_outgoing_radiance_per_unit_wavenumber standard_error
description: rad_lw error estimate
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
origname: rad_lw_err
fullnamepath: /rad_lw_err
coordinates: lon lat
lon_bnds: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][fov_poly = 0..7]
units: degrees_east
valid_range: -180.0000000, 180.0000000
long_name: FOV boundary longitudes
description: longitudes of points forming a polygon around the perimeter of the FOV
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: lon_bnds
fullnamepath: /lon_bnds
sat_zen: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29]
units: degree
valid_range: 0.000000000, 180.0000000
long_name: satellite zenith angle
standard_name: sensor_zenith_angle
description: satellite zenith angle at the center of the spot
AIRS_name: satzen
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sat_zen
fullnamepath: /sat_zen
coordinates: lon lat
rad_sw: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][wnum_sw = 0..162]
units: mW/(m2 sr cm-1)
ancillary_variables: rad_sw_qc rad_sw_err
long_name: shortwave clear spectral radiance
standard_name: toa_outgoing_radiance_per_unit_wavenumber
description: shortwave clear spectral radiance
_FillValue: 9.969209968e+36
coverage_content_type: physicalMeasurement
origname: rad_sw
fullnamepath: /rad_sw
coordinates: lon lat
sat_alt: Array of 32 bit Reals [atrack = 0..44]
units: m
valid_range: 100000.0000, 1000000.000
long_name: satellite altitude
standard_name: altitude
description: satellite altitude with respect to earth model at scan_mid_time
AIRS_name: satheight
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sat_alt
fullnamepath: /sat_alt
coordinates: subsat_lon subsat_lat
nedn_mw: Array of 32 bit Reals [fov = 0..8][wnum_mw = 0..436]
units: mW/(m2 sr cm-1)
long_name: midwave noise equivalent differential radiance
description: midwave noise equivalent differential radiance
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
origname: nedn_mw
fullnamepath: /nedn_mw
asc_flag: Array of Bytes [atrack = 0..44]
valid_range: 0, 1
long_name: ascending orbit flag
description: ascending orbit flag: 1 if ascending, 0 descending
AIRS_name: scan_node_type
_FillValue: 255
coverage_content_type: referenceInformation
flag_meanings: descending ascending
flag_values: 0, 1
origname: asc_flag
fullnamepath: /asc_flag
coordinates: subsat_lon subsat_lat
sun_glint_lat: Array of 32 bit Reals [atrack = 0..44]
units: degrees_north
valid_range: -90.00000000, 90.00000000
long_name: sun glint latitude
standard_name: latitude
description: sun glint spot latitude at scan_mid_time. Fill for night observations.
AIRS_name: glintlat
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sun_glint_lat
fullnamepath: /sun_glint_lat
coordinates: subsat_lon subsat_lat
rad_sw_err: Array of 32 bit Reals [atrack = 0..44][xtrack = 0..29][wnum_sw = 0..162]
units: mW/(m2 sr cm-1)
long_name: rad_sw error estimate
standard_name: toa_outgoing_radiance_per_unit_wavenumber standard_error
description: rad_sw error estimate
_FillValue: 9.969209968e+36
coverage_content_type: qualityInformation
origname: rad_sw_err
fullnamepath: /rad_sw_err
coordinates: lon lat
subsat_lon: Array of 32 bit Reals [atrack = 0..44]
units: degrees_east
valid_range: -180.0000000, 180.0000000
long_name: sub-satellite longitude
standard_name: longitude
description: sub-satellite longitude at scan_mid_time
AIRS_name: sat_lon
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: subsat_lon
fullnamepath: /subsat_lon
sat_vel: Array of 32 bit Reals [atrack = 0..44][spatial = 0..2]
units: m s-1
long_name: satellite velocity
description: satellite ECR velocity at scan_mid_time
_FillValue: 9.969209968e+36
coverage_content_type: referenceInformation
origname: sat_vel
fullnamepath: /sat_vel
coordinates: subsat_lon subsat_lat spatial_lbl
atrack: Array of 32 bit Reals [atrack = 0..44]
attitude: Array of 32 bit Reals [attitude = 0..2]
fov: Array of 32 bit Reals [fov = 0..8]
fov_poly: Array of 32 bit Reals [fov_poly = 0..7]
spatial: Array of 32 bit Reals [spatial = 0..2]
utc_tuple: Array of 32 bit Reals [utc_tuple = 0..7]
wnum_lw: Array of 64 bit Reals [wnum_lw = 0..716]
units: cm-1
valid_range: 648.75000000000000, 1096.2500000000000
long_name: longwave wavenumber
standard_name: sensor_band_central_radiation_wavenumber
description: longwave wavenumber
_FillValue: 9.9692099683868690e+36
coverage_content_type: auxiliaryInformation
origname: wnum_lw
fullnamepath: /wnum_lw
wnum_mw: Array of 64 bit Reals [wnum_mw = 0..436]
units: cm-1
valid_range: 1207.5000000000000, 1752.5000000000000
long_name: midwave wavenumber
standard_name: sensor_band_central_radiation_wavenumber
description: midwave wavenumber
_FillValue: 9.9692099683868690e+36
coverage_content_type: auxiliaryInformation
origname: wnum_mw
fullnamepath: /wnum_mw
wnum_sw: Array of 64 bit Reals [wnum_sw = 0..162]
units: cm-1
valid_range: 2150.0000000000000, 2555.0000000000000
long_name: shortwave wavenumber
standard_name: sensor_band_central_radiation_wavenumber
description: shortwave wavenumber
_FillValue: 9.9692099683868690e+36
coverage_content_type: auxiliaryInformation
origname: wnum_sw
fullnamepath: /wnum_sw
xtrack: Array of 32 bit Reals [xtrack = 0..29]