netcdf marvisstpx2dh08minnisX1.c1.20180331.233000 { dimensions: image_y = 800 ; image_x = 1600 ; grid_lat = 56 ; grid_lon = 70 ; variables: int base_time ; base_time:long_name = "base time in epoch" ; base_time:units = "seconds since 1970-1-1 0:00:00 GMT" ; float broadband_longwave_flux(image_y, image_x) ; broadband_longwave_flux:_FillValue = 3.402823e+38f ; broadband_longwave_flux:valid_min = 0.f ; broadband_longwave_flux:valid_max = 400.f ; broadband_longwave_flux:units = "W/m^2" ; broadband_longwave_flux:coordinates = "latitude longitude" ; broadband_longwave_flux:long_name = "broadband LW flux" ; float broadband_shortwave_albedo(image_y, image_x) ; broadband_shortwave_albedo:_FillValue = 3.402823e+38f ; broadband_shortwave_albedo:valid_min = 0.f ; broadband_shortwave_albedo:valid_max = 150.f ; broadband_shortwave_albedo:long_name = "broadband SW albedo" ; broadband_shortwave_albedo:units = "%" ; broadband_shortwave_albedo:coordinates = "latitude longitude" ; float cloud_bottom_height(image_y, image_x) ; cloud_bottom_height:_FillValue = 3.402823e+38f ; cloud_bottom_height:valid_min = -0.1f ; cloud_bottom_height:valid_max = 20.f ; cloud_bottom_height:long_name = "cloud bottom height" ; cloud_bottom_height:units = "km" ; cloud_bottom_height:coordinates = "latitude longitude" ; float cloud_bottom_pressure(image_y, image_x) ; cloud_bottom_pressure:_FillValue = 3.402823e+38f ; cloud_bottom_pressure:valid_min = 0.f ; cloud_bottom_pressure:valid_max = 1100.f ; cloud_bottom_pressure:long_name = "cloud bottom pressure" ; cloud_bottom_pressure:units = "hPa" ; cloud_bottom_pressure:coordinates = "latitude longitude" ; float cloud_bottom_temperature(image_y, image_x) ; cloud_bottom_temperature:_FillValue = 3.402823e+38f ; cloud_bottom_temperature:valid_min = 160.f ; cloud_bottom_temperature:valid_max = 340.f ; cloud_bottom_temperature:long_name = "cloud bottom temperature" ; cloud_bottom_temperature:units = "K" ; cloud_bottom_temperature:coordinates = "latitude longitude" ; float cloud_effective_height(image_y, image_x) ; cloud_effective_height:_FillValue = 3.402823e+38f ; cloud_effective_height:valid_min = -0.1f ; cloud_effective_height:valid_max = 20.f ; cloud_effective_height:long_name = "cloud effective height" ; cloud_effective_height:units = "km" ; cloud_effective_height:coordinates = "latitude longitude" ; float cloud_effective_pressure(image_y, image_x) ; cloud_effective_pressure:_FillValue = 3.402823e+38f ; cloud_effective_pressure:valid_min = 0.f ; cloud_effective_pressure:valid_max = 1100.f ; cloud_effective_pressure:long_name = "cloud effective pressure" ; cloud_effective_pressure:units = "hPa" ; cloud_effective_pressure:coordinates = "latitude longitude" ; float cloud_effective_temperature(image_y, image_x) ; cloud_effective_temperature:_FillValue = 3.402823e+38f ; cloud_effective_temperature:valid_min = 160.f ; cloud_effective_temperature:valid_max = 340.f ; cloud_effective_temperature:long_name = "cloud effective temperature" ; cloud_effective_temperature:units = "K" ; cloud_effective_temperature:coordinates = "latitude longitude" ; float cloud_ir_emittance(image_y, image_x) ; cloud_ir_emittance:_FillValue = 3.402823e+38f ; cloud_ir_emittance:valid_min = 0.f ; cloud_ir_emittance:valid_max = 1.5f ; cloud_ir_emittance:long_name = "cloud ir emittance" ; cloud_ir_emittance:coordinates = "latitude longitude" ; float cloud_lwp_iwp(image_y, image_x) ; cloud_lwp_iwp:_FillValue = 3.402823e+38f ; cloud_lwp_iwp:valid_min = 0.f ; cloud_lwp_iwp:valid_max = 6000.f ; cloud_lwp_iwp:long_name = "Liquid or Ice Water Path" ; cloud_lwp_iwp:units = "g/m^2" ; cloud_lwp_iwp:value_1 = "NOTE: If phase = water, this is Liquid Water Path " ; cloud_lwp_iwp:value_2 = "NOTE: If phase = ice, this is Ice Water Path " ; cloud_lwp_iwp:coordinates = "latitude longitude" ; float cloud_particle_size(image_y, image_x) ; cloud_particle_size:_FillValue = 3.402823e+38f ; cloud_particle_size:valid_min = 0.f ; cloud_particle_size:valid_max = 150.f ; cloud_particle_size:long_name = "effective particle radius or diameter" ; cloud_particle_size:value_1 = "If phase = water, this parameter is radius " ; cloud_particle_size:value_2 = "If phase = ice, this parameter is diameter" ; cloud_particle_size:coordinates = "latitude longitude" ; cloud_particle_size:units = "um" ; int cloud_phase(image_y, image_x) ; cloud_phase:_FillValue = 2147483647 ; cloud_phase:valid_min = 0 ; cloud_phase:valid_max = 13 ; cloud_phase:long_name = "cloud phase" ; cloud_phase:value_0 = "snow" ; cloud_phase:value_1 = "water" ; cloud_phase:value_2 = "ice" ; cloud_phase:value_3 = "no retrieval" ; cloud_phase:value_4 = "clear" ; cloud_phase:value_5 = "bad data" ; cloud_phase:value_6 = "suspected water" ; cloud_phase:value_7 = "suspected ice" ; cloud_phase:value_13 = "cleaned data" ; cloud_phase:coordinates = "latitude longitude" ; float cloud_top_height(image_y, image_x) ; cloud_top_height:_FillValue = 3.402823e+38f ; cloud_top_height:valid_min = -0.1f ; cloud_top_height:valid_max = 20.f ; cloud_top_height:long_name = "cloud top height" ; cloud_top_height:units = "km" ; cloud_top_height:coordinates = "latitude longitude" ; float cloud_top_pressure(image_y, image_x) ; cloud_top_pressure:_FillValue = 3.402823e+38f ; cloud_top_pressure:valid_min = 0.f ; cloud_top_pressure:valid_max = 1100.f ; cloud_top_pressure:long_name = "cloud top pressure" ; cloud_top_pressure:units = "hPa" ; cloud_top_pressure:coordinates = "latitude longitude" ; float cloud_top_temperature(image_y, image_x) ; cloud_top_temperature:_FillValue = 3.402823e+38f ; cloud_top_temperature:valid_min = 160.f ; cloud_top_temperature:valid_max = 340.f ; cloud_top_temperature:long_name = "cloud top temperature" ; cloud_top_temperature:units = "K" ; cloud_top_temperature:coordinates = "latitude longitude" ; float cloud_visible_optical_depth(image_y, image_x) ; cloud_visible_optical_depth:_FillValue = 3.402823e+38f ; cloud_visible_optical_depth:valid_min = 0.f ; cloud_visible_optical_depth:valid_max = 150.f ; cloud_visible_optical_depth:long_name = "cloud optical depth" ; cloud_visible_optical_depth:coordinates = "latitude longitude" ; int image_x(image_x) ; image_x:long_name = "image column number" ; int image_y(image_y) ; image_y:long_name = "image row number" ; float latitude(image_y, image_x) ; latitude:_FillValue = 3.402823e+38f ; latitude:valid_min = -90.f ; latitude:valid_max = 90.f ; latitude:long_name = "latitude" ; latitude:units = "degree_N" ; float longitude(image_y, image_x) ; longitude:_FillValue = 3.402823e+38f ; longitude:valid_min = -180.f ; longitude:valid_max = 180.f ; longitude:long_name = "longitude" ; longitude:units = "degree_E" ; float reflectance_vis(image_y, image_x) ; reflectance_vis:_FillValue = 3.402823e+38f ; reflectance_vis:valid_min = 0.f ; reflectance_vis:valid_max = 1.6f ; reflectance_vis:long_name = "Visible reflectance (0.65 um)" ; reflectance_vis:coordinates = "latitude longitude" ; float relative_azimuth_angle(grid_lat, grid_lon) ; relative_azimuth_angle:_FillValue = 3.402823e+38f ; relative_azimuth_angle:long_name = "relative azimuth angle " ; relative_azimuth_angle:valid_min = 0.f ; relative_azimuth_angle:valid_max = 180.f ; relative_azimuth_angle:units = "degree" ; relative_azimuth_angle:comments = "Scatter: 0=forward, 180=back" ; relative_azimuth_angle:coordinates = "grid_lat grid_lon" ; float scanline_time(image_y) ; scanline_time:long_name = "scanline time in GMT" ; scanline_time:units = "hour" ; scanline_time:valid_min = 0.f ; scanline_time:valid_max = 24.f ; scanline_time:NOTE = "This is the actual time per scanline (nominal image time + time to scan to that point)" ; float temperature_67(image_y, image_x) ; temperature_67:_FillValue = 3.402823e+38f ; temperature_67:valid_min = 160.f ; temperature_67:valid_max = 340.f ; temperature_67:long_name = "IR Mid-level Water Vapor (6.8um)" ; temperature_67:units = "K" ; temperature_67:coordinates = "latitude longitude" ; float temperature_ir(image_y, image_x) ; temperature_ir:_FillValue = 3.402823e+38f ; temperature_ir:valid_min = 160.f ; temperature_ir:valid_max = 340.f ; temperature_ir:long_name = "Infrared Channel temperature (10.8 um)" ; temperature_ir:units = "K" ; temperature_ir:coordinates = "latitude longitude" ; float temperature_sir(image_y, image_x) ; temperature_sir:_FillValue = 3.402823e+38f ; temperature_sir:valid_min = 160.f ; temperature_sir:valid_max = 340.f ; temperature_sir:long_name = "Solar Infrared temperature (3.9 um)" ; temperature_sir:units = "K" ; temperature_sir:coordinates = "latitude longitude" ; float temperature_sw(image_y, image_x) ; temperature_sw:_FillValue = 3.402823e+38f ; temperature_sw:valid_min = 160.f ; temperature_sw:valid_max = 340.f ; temperature_sw:long_name = "Split-Window Channel temperature (11.9 um)" ; temperature_sw:units = "K" ; temperature_sw:coordinates = "latitude longitude" ; double time_offset ; time_offset:units = "seconds since 2018-03-31 00:00:00 GMT" ; time_offset:long_name = "Time offset from base_time" ; time_offset:NOTE = "This is the nominal (starting) time of the satellite image" ; // global attributes: :User_Note = "All of the datasets provided on this website are part of ongoing research projects. Users of the data for research leading to conference-level or peer-reviewed publications should contact Dr. William L. Smith Jr. (william.l.smith@nasa.gov) before publishing any papers that include data from this site. The source of the data should be properly acknowledged and/or co-authorship should be offered depending on the level of documentation and contribution of the particular dataset.If only the satellite imagery are used then we ask only for a simple acknowledgment: \"the images were obtained from the NASA Langley Cloud and Radiation Research Group, http://satcorps.larc.nasa.gov \". For any derived cloud, icing, and radiation products, it is in the best interest of individual researchers who use these datasets to ensure that they are using the latest and highest quality products available. Either Dr. Smith or other group members can provide the proper references, caveats, or level of participation needed for any given request." ; :NetCDF_Version = "netcdf 4.0.1" ; :facility_id = "X1" ; :site_id = "mar" ; :location = "mar" ; :zeb_platform = "marvisstpx2dh08minnisX1.c1" ; :history = "Fri Aug 28 07:27:50 2020: ncks -C -O -x -v tisa_record,vis_063_calib,temp_nir_calib,temp_ir_calib,temp_wv_calib,temp_sw_calib,mc_directory_header,mc_navigation_header,mc_calibration_header,grid_lat,grid_lon,clearsky_vis_reflectance,clearsky_ir_temperature,visible_count,solar_zenith_angle,view_zenith_angle,azimuth_zenith_angle,pixel_aza,pixel_skin_temperature,pixel_sza,pixel_vza,visst_netcdf_version,skin_temperature,reflec08,reflec16 marorgvisstpx2dh08minnisX1.c1.20180331.233000.cdf marvisstpx2dh08minnisX1.c1.20180331.233000.cdf\ncreated by user mt on machine ssai Aug 19, 2020, using IDL 8.5" ; :input_files = "HIMAWARI-8" ; :resolution = "2 km" ; :reflectance_vis_note1 = "effective_wavelength_visst = 0.65 um" ; :reflectance_vis_note2 = "spectral_width_instrument = 0.63 um - 0.66 um" ; :temperature_sir_note1 = "effective_wavelength_visst = 3.9 um" ; :temperature_sir_note2 = "spectral_width_instrument = 3.74 um - 3.96 um" ; :temperature_ir_note1 = "effective_wavelength_visst = 11.2 um" ; :temperature_ir_note2 = "spectral_width_instrument = 11.10 um - 11.30 um" ; :temperature_sw_note1 = "effective_wavelength_visst = 12.3 um" ; :temperature_sw_note2 = "spectral_width_instrument = 12.20 - 12.50 um" ; :Version = "V4.2.2" ; :longwave_NB_BB_correlation = "The LW NB-BB correlation is given by a method similar to the radiance-based approach in Doelling, D.R., M. Sun, L.T. Nguyen, M.L.Nordeen, C.O.Haney, D.F. Keyes, and P.E. Mlynczak, \"Advances in Geostationary-Derived Longwave Fluxes for the CERES Synoptic (SYN1deg) Product\", J. Atmos. Oceanic Technol., Vol. 33 (3), pp. 503-521 (March 2016) doi:10.1175/JTECH-D-15-0147.1. (with modifications). LW fluxes were then normalized via application of a regional, scene-type based 5x5 degree monthly normalization to Edition 4 CERES SSF1deg Aqua LW fluxes (linear correction)." ; :shortwave_NB_BB_correlation = "The SW NB-BB correlation is given by a method described in Minnis, P., K. Bedka, Q. Trepte, C. R. Yost, S. T. Bedka, B. Scarino, K. Khlopenkov, and M. M. Khaiyer, 2016: A consistent long-term cloud and clear-sky radiation property dataset from the Advanced Very High Resolution Radiometer (AVHRR). Climate Algorithm Theoretical Basis Document (C-ATBD), CDRP-ATBD-0826 Rev 1 - NASA, NOAA CDR Program, 159 pp., DOI:10.789/V5HT2M8T, www.ncdc.noaa.gov/cdr/atmospheric/avhrr-cloud-properties-nasa. BB SW albedoes were then normalized via a regional, scene-type based 5x5 degree monthly normalization to Edition 4 CERES SSF1deg Aqua SW fluxes (converted to SW fluxes, linear correction, applied where SZA < 86 deg; final/corrected albedoes constrained to 5% (minimum) to 95% (maximum))." ; :visible_calibration = "The HIM-8 visible calibration equation is Rad(0.65um) = (g0)*(C-C0), where g0= 0.3078,C= visible channel count, C0=is the visible channel offset ( 20.0). REFERENCE: Nguyen, L, D.R. Doelling, P. Minnis, J.K. Ayers, 2004, Rapid Technique to cross calibrate satellite imager with visible channels, Proc. of 49th SPIE Meeting, Denver, CO, Aug. 2-6, 2004. http://www-pm.larc.nasa.gov/arm_refs.html" ; :IR_calibration = "The HIM-8 IR calibration was based on the nominal equations used in Mcidas and found at http://www.oso.noaa.gov/goes/goes-calibration/gvar-conversion.htm" ; :VISST = "NASA-Langley cloud and radiation products are produced using a suite of algorithms- VISST (Visible Infrared Solar-infrared Split-Window Technique), SIST (Solar-infrared Infrared Split-Window Technique) and SINT (Solar-infrared Infrared Near-Infrared Technique), now collectively called SatCORPS. The technique uses HIMAWARI-8 channels to detect clouds and retrieve cloud microphysics. Atmospheric profiles are obtained from the GMAO GEOS-541 reanalysis product. REF: Minnis,P.,S.Sun-Mack,D.F.Young,P.W.Heck,D.P.Garber,Y.Chen,D.A.Spangenberg,R.F.Arduini,Q.Z.Trepte,W.L.Smith,Jr.,J.K.Ayers,S.C.Gibson,W.F.Miller,V.Chakrapani,Y.Takano,K.-N.Liou,Y.Xie,and P.Yang, 2011: CERES Edition-2 cloud property retrievals using TRMM VIRS and Terra and Aqua MODIS data,Part I: Algorithms. IEEE Trans. Geosci. Remote Sens., 49, 11, 4374-4400.; Minnis,P. et al,2008,Near-real time cloud retrievals from operational and research meteorological satellites. Proc. SPIE Europe Remote Sens. 2008, Cardiff,Wales,UK,15-18 Sep,7107-2,8 pp. http://www-pm.larc.nasa.gov (Publications link)" ; :VERSION = "This version was processed historically and is an intermediate version. It was processed using MODIS Collection 6.1 MATCH Hourly aerosols. As updates are made, the data will be reprocessed in the future and replaced." ; :NCO = "\"4.5.5\"" ; }