netcdf VOLCAT_L3_NOAA-20_DES_2020_08_03_216_GLOBAL_5km_SO2 {
dimensions:
	lat = 4000 ;
	lon = 8000 ;
	time = 128 ;
	features = 8 ;
variables:
	int scan_start_time(time) ;
		scan_start_time:long_name = "Start time of each scan in the composite" ;
		scan_start_time:units = "seconds since 1970-01-01 00:00:00" ;
	int scan_end_time(time) ;
		scan_end_time:long_name = "End time of each scan in the composite" ;
		scan_end_time:units = "seconds since 1970-01-01 00:00:00" ;
	float lat(lat) ;
		lat:long_name = "latitude" ;
		lat:units = "degrees_north" ;
		lat:_FillValue = -999.f ;
	float lon(lon) ;
		lon:long_name = "longitude" ;
		lon:units = "degrees_east" ;
		lon:_FillValue = -999.f ;
	int time_brightness_temperature(lat, lon) ;
		time_brightness_temperature:long_name = "time of brightness temperature observation" ;
		time_brightness_temperature:units = "seconds since 1970-01-01 00:00:00" ;
		time_brightness_temperature:_FillValue = -999 ;
	float brightness_temperature_8micron(lat, lon) ;
		brightness_temperature_8micron:long_name = "The brightness temperature that corresponds to a channel centered near 8.5 um" ;
		brightness_temperature_8micron:units = "K" ;
		brightness_temperature_8micron:_FillValue = -999.f ;
	float brightness_temperature_11micron(lat, lon) ;
		brightness_temperature_11micron:long_name = "The brightness temperature that corresponds to a channel centered near 11 um" ;
		brightness_temperature_11micron:units = "K" ;
		brightness_temperature_11micron:_FillValue = -999.f ;
	float brightness_temperature_12micron(lat, lon) ;
		brightness_temperature_12micron:long_name = "The brightness temperature that corresponds to a channel centered near 12 um" ;
		brightness_temperature_12micron:units = "K" ;
		brightness_temperature_12micron:_FillValue = -999.f ;
	int so2_id(features) ;
		so2_id:long_name = "The ID used to distinguish between different SO2 features/clouds" ;
		so2_id:units = "none" ;
		so2_id:_FillValue = -999 ;
	int volcano_id(features) ;
		volcano_id:long_name = "The Global Volcanism Program database ID of the most likely source volcano" ;
		volcano_id:units = "none" ;
		volcano_id:_FillValue = -999 ;
		volcano_id:volcano_names = "Etna,Undetermined,Undetermined,Undetermined,Nishinoshima,Undetermined,Ma Alalta,Undetermined" ;
		volcano_id:country = "Italy,Undetermined,Undetermined,Undetermined,Japan,Undetermined,Ethiopia,Undetermined" ;
	int initial_detection_time_feature(features) ;
		initial_detection_time_feature:long_name = "Time when the so2 feature was first detected in seconds since epoch (1970-01-01 00:00:00)" ;
		initial_detection_time_feature:units = "seconds since 1970-01-01 00:00:00" ;
		initial_detection_time_feature:_FillValue = -999 ;
	int time_so2(lat, lon) ;
		time_so2:long_name = "time of SO2 observation" ;
		time_so2:units = "seconds since 1970-01-01 00:00:00" ;
		time_so2:_FillValue = -999 ;
	float viewing_zenith_angle_so2(lat, lon) ;
		viewing_zenith_angle_so2:long_name = "The viewing zenith angle of each observation used to construct the SO2 composite" ;
		viewing_zenith_angle_so2:units = "degrees" ;
		viewing_zenith_angle_so2:_FillValue = -999.f ;
	int so2_feature_id(lat, lon) ;
		so2_feature_id:long_name = "id associated with a trackable SO2 feature" ;
		so2_feature_id:units = "none" ;
		so2_feature_id:_FillValue = -999 ;
	float so2_height_fov(lat, lon) ;
		so2_height_fov:long_name = "The estimated height of the highest volcanic SO2 layer without any spatial interpolation" ;
		so2_height_fov:units = "km" ;
		so2_height_fov:_FillValue = -999.f ;
	float so2_column_loading_fov(lat, lon) ;
		so2_column_loading_fov:long_name = "The estimated total column loading of volcanic SO2 without any spatial interpolation" ;
		so2_column_loading_fov:units = "DU" ;
		so2_column_loading_fov:_FillValue = -999.f ;
	float so2_height_interp(lat, lon) ;
		so2_height_interp:long_name = "The estimated height of the highest volcanic SO2 layer with spatial interpolation" ;
		so2_height_interp:units = "km" ;
		so2_height_interp:_FillValue = -999.f ;
	float so2_column_loading_interp(lat, lon) ;
		so2_column_loading_interp:long_name = "The estimated total column loading of volcanic SO2 with spatial interpolation" ;
		so2_column_loading_interp:units = "DU" ;
		so2_column_loading_interp:_FillValue = -999.f ;

// global attributes:
		:naming_authority = "gov.nesdis.noaa" ;
		:Conventions = "CF-1.7" ;
		:Metadata_Conventions = "Unidata Dataset Discovery v1.0" ;
		:standard_name_vocabulary = "CF Standard Name Table (v35, 20 July 2016)" ;
		:institution = "DOC/NOAA/NESDIS > U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Services" ;
		:project = "VOLCAT" ;
		:production_site = "UW-SSEC" ;
		:production_environment = "Experimental" ;
		:spatial_resolution = "5.0km" ;
		:orbital_slot = "Low Earth Orbit" ;
		:temporal_range = "Descending" ;
		:platform_ID = "NOAA-20" ;
		:instrument_type = "VIIRS, CrIS" ;
		:scene_id = "none composite" ;
		:instrument_ID = "NOAA-20 VIIRS, CrIS" ;
		:dataset_name = "VOLCAT_L3_NOAA-20_DES_2020_08_03_216_GLOBAL_5km_SO2.nc" ;
		:title = "VOLCAT: L3 Composite" ;
		:summary = "This files contains gridded information on volcanic cloud properties, as automatically determined by the VOLcanic Cloud Analysis Toolkit (VOLCAT). Volcanic cloud properties include volcanic cloud mapping, height maps (relative to the highest cloud layer), total column loading maps, microphysical parameters, and uncertainty metrics." ;
		:keywords = "ATMOSPHERE > AEROSOLS > DUST/ASH/SMOKE" ;
		:license = "Unclassified data" ;
		:processing_level = "L3 Mapped" ;
		:date_created = "2021-06-17T15:43:48.8Z" ;
		:cdm_data_type = "grid" ;
		:time_coverage_start = "2020-08-03T00:00:00.0Z" ;
		:time_coverage_end = "2020-08-04T00:00:09.0Z" ;
		:timeline_id = "none" ;
		:production_data_source = "Realtime" ;
		:id = "NESDIS/VOLCAT_L3_NOAA-20_DES_2020_08_03_216_GLOBAL_5km_SO2" ;
		:map_projection = "Equidistant Cylindrical" ;
		:grid_mapping_name = "equidistant_cylindrical" ;
		:latitude_units = "degrees_north" ;
		:longitude_units = "degrees_east" ;
		:northernmost_latitude = 90.f ;
		:southernmost_latitude = -90.f ;
		:easternmost_longitude = 180.f ;
		:westernmost_longitude = -180.f ;
		:geospatial_lat_max = 90.f ;
		:geospatial_lat_min = -90.f ;
		:geospatial_lon_max = 180.f ;
		:geospatial_lon_min = -180.f ;
		:latitude_of_projection_origin = 0.f ;
		:longitude_of_projection_origin = 0.f ;
		:geospatial_lat_resolution = 0.04500281f ;
		:geospatial_lat_units = "degrees_north" ;
		:geospatial_lon_units = "degrees_east" ;
		:l1_file_names = 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;
		:number_of_features = 8 ;
}