HDF5 file, superblock version 2
group /
	attribute Conventions = "CF-1.7"
	attribute LUT_Filenames = "GLM_CALINR_AllFilters(FM4E_CDRL79RevD_DO_16_00_00)-806386133.0.h5 GLM_SolarGlintParameters(FMAA_CDRL79RevH_DO_08_00_00)-587190369.0.xml GLM_AlignmentParameters(FMAE_CDRL79RevAv2_DO_16_00_00)-806386133.0.xml GLM_BackgroundGain(FM4A_CDRL79RevA_DO_16_00_00)-806386133.0.h5 GLM_CoastlineID_Parameters(FM4E_CDRL79RevAv2_DO_16_00_00)-806386133.0.xml GLM_DownSamplingLUTs(FMAA_CDRL46RevM_DO_08_00_00)-600000000.0.h5 GLM_BG_Assemble(FMAA_CDRL46RevM_DO_08_00_00)-600000000.0.xml GLM_GSHHS_Data(FMAE_CDRL79RevJ_DO_16_00_00)-806386133.0.h5 GLM_IlluminationMask_PV_LUT(FMAA_CDRL46RevM_DO_08_00_00)-600000000.0.h5 GLMNavigationParams(FM4E_CDRL79RevC_DO_16_00_00)-806386133.0.xml GLM_L1aDS_CALINR(FMAA_CDRL43RevJ_DO_08_00_00)-600000000.0.h5 AI_GLM-L2-GLMSemiStaticParams(FMAE_CDRL46RevM_DO_16_00_00)-806386133.0.bin"
	attribute Metadata_Conventions = "Unidata Dataset Discovery v1.0"
	attribute cdm_data_type = "Point"
	attribute dataset_name = "OR_GLM-L2-LCFA_G19_s20262390502400_e20262390503000_c20262390503021.nc"
	attribute date_created = "2026-08-27T05:03:02.1Z"
	attribute featureType = "point"
	attribute id = "b616eb67-8e27-4eba-988c-d1a38628cccb"
	attribute institution = "DOC/NOAA/NESDIS> U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Services"
	attribute instrument_ID = "FM4"
	attribute instrument_type = "GOES-R Series Geostationary Lightning Mapper (GLM)"
	attribute iso_series_metadata_id = "f5816f53-fd6d-11e3-a3ac-0800200c9a66"
	attribute keywords = "ATMOSPHERE > ATMOSPHERIC ELECTRICITY > LIGHTNING, ATMOSPHERE > ATMOSPHERIC PHENOMENA > LIGHTNING"
	attribute keywords_vocabulary = "NASA Global Change Master Directory (GCMD) Earth Science Keywords, Version 7.0.0.0.0"
	attribute license = "Unclassified data.  Access is restricted to approved users only."
	attribute naming_authority = "gov.nesdis.noaa"
	attribute orbital_slot = "GOES-East"
	attribute platform_ID = "G19"
	attribute processing_level = "National Aeronautics and Space Administration (NASA) L2"
	attribute production_cluster = "L1 Green"
	attribute production_data_source = "Realtime"
	attribute production_environment = "OE"
	attribute production_site = "GCCS"
	attribute project = "GOES"
	attribute spatial_resolution = "8km at nadir"
	attribute standard_name_vocabulary = "CF Standard Name Table (v35, 20 July 2016)"
	attribute summary = "The Lightning Detections: Events, Groups, and Flashes product consists of a hierarchy of earth-located lightning radiant energy measures including events, groups, and flashes. Lightning events are detected by the instrument. Lightning groups are a collection of one or more lightning events that satisfy temporal and spatial coincidence thresholds. Similarly, lightning flashes are a collection of one or more lightning groups that satisfy temporal and spatial coincidence thresholds. The product includes the relationship among lightning events, groups, and flashes, and the area coverage of lightning groups and flashes. The product also includes processing and data quality metadata, and satellite state and location information."
	attribute time_coverage_end = "2026-08-27T05:03:00.0Z"
	attribute time_coverage_start = "2026-08-27T05:02:40.0Z"
	attribute title = "GLM L2 Lightning Detections: Events, Groups, and Flashes"
dataset /algorithm_dynamic_input_data_container: int32, shape ()
	attribute input_GLM_L0_data = "OR_GLM-L0_G19_s20262390502400_e20262390503000_c*.nc"
	attribute input_GLM_L1b_data = "null"
	attribute long_name = "container for filenames of dynamic algorithm input data"
dataset /algorithm_product_version_container: int32, shape ()
	attribute algorithm_version = "OR_GLM-L2-ALG-LCFA_v01r00.zip"
	attribute long_name = "container for algorithm package filename and product version"
	attribute product_version = "v01r00"
dataset /event_count: int32, shape ()
	attribute _FillValue = -1
	attribute cell_methods = "lightning_wavelength: sum product_time: sum area: sum (filtered events only) where cloud"
	attribute coordinates = "lightning_wavelength product_time lat_field_of_view lon_field_of_view"
	attribute grid_mapping = "goes_lat_lon_projection"
	attribute long_name = "number of lightning events in product"
	attribute units = "count"
	attribute valid_range = 1, 630000
dataset /event_energy: int16, shape (13696)
	attribute _FillValue = -1
	attribute _Unsigned = "true"
	attribute add_offset = 2.85149989e-16
	attribute cell_methods = "lightning_wavelength: sum event_time_offset: point (sensor pixels have 2 ms integration time) area: sum (interval: 8 km comment: resolution of sensor data at nadir, filtered events only) where cloud"
	attribute coordinates = "event_parent_group_id event_id lightning_wavelength event_time_offset event_lat event_lon"
	attribute grid_mapping = "goes_lat_lon_projection"
	attribute long_name = "GLM L2+ Lightning Detection: event radiant energy"
	attribute scale_factor = 1.90239993e-17
	attribute standard_name = "lightning_radiant_energy"
	attribute units = "J"
dataset /event_id: int32, shape (13696)
	attribute _Unsigned = "true"
	attribute long_name = "product-unique lightning event identifier"
	attribute units = "1"
dataset /event_lat: int16, shape (13696)
	attribute _Unsigned = "true"
	attribute add_offset = -66.5599976
	attribute axis = "Y"
	attribute long_name = "GLM L2+ Lightning Detection: event latitude coordinate"
	attribute scale_factor = 0.00203127996
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
dataset /event_lon: int16, shape (13696)
	attribute _Unsigned = "true"
	attribute add_offset = -141.559998
	attribute axis = "X"
	attribute long_name = "GLM L2+ Lightning Detection: event longitude coordinate"
	attribute scale_factor = 0.00203127996
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
dataset /event_parent_group_id: int32, shape (13696)
	attribute _Unsigned = "true"
	attribute long_name = "product-unique lightning group identifier for one or more events"
	attribute units = "1"
dataset /event_time_offset: int16, shape (13696)
	attribute _Unsigned = "true"
	attribute add_offset = -5.0
	attribute axis = "T"
	attribute long_name = "GLM L2+ Lightning Detection: event's time of occurrence"
	attribute scale_factor = 0.000381475606
	attribute standard_name = "time"
	attribute units = "seconds since 2026-08-27 05:02:40.000"
dataset /flash_area: int16, shape (222)
	attribute _FillValue = -1
	attribute _Unsigned = "true"
	attribute add_offset = 0.0
	attribute cell_methods = "lightning_wavelength: sum flash_time_offset_of_first_event: flash_time_offset_of_last_event: sum area: sum (interval: 8 km comment: resolution of sensor data at nadir, area of constituent groups' areas defined by variable group_parent_flash_id) where cloud"
	attribute coordinates = "group_parent_flash_id flash_id lightning_wavelength flash_time_threshold flash_time_offset_of_first_event flash_time_offset_of_last_event flash_lat flash_lon"
	attribute grid_mapping = "goes_lat_lon_projection"
	attribute long_name = "GLM L2+ Lightning Detection: flash area coverage (pixels containing at least one constituent event only)"
	attribute scale_factor = 152601.859
	attribute units = "m2"
	attribute valid_range = 0, -6
dataset /flash_count: int32, shape ()
	attribute _FillValue = -1
	attribute cell_methods = "lightning_wavelength: sum product_time: sum area: sum where cloud"
	attribute coordinates = "lightning_wavelength product_time lat_field_of_view lon_field_of_view"
	attribute grid_mapping = "goes_lat_lon_projection"
	attribute long_name = "number of lightning flashes in product"
	attribute units = "count"
	attribute valid_range = 1, 630000
dataset /flash_energy: int16, shape (222)
	attribute _FillValue = -1
	attribute _Unsigned = "true"
	attribute add_offset = 2.85149989e-16
	attribute ancillary_variables = "flash_quality_flag"
	attribute cell_measures = "area: flash_area"
	attribute cell_methods = "lightning_wavelength: sum flash_time_offset_of_first_event: flash_time_offset_of_last_event: sum area: mean (centroid location of constituent events defined by variables group_parent_flash_id and event_parent_group_id weighted by their radiant energies) where cloud"
	attribute coordinates = "group_parent_flash_id flash_id lightning_wavelength flash_time_threshold flash_time_offset_of_first_event flash_time_offset_of_last_event flash_lat flash_lon"
	attribute grid_mapping = "goes_lat_lon_projection"
	attribute long_name = "GLM L2+ Lightning Detection: flash radiant energy"
	attribute scale_factor = 9.9999598e-16
	attribute standard_name = "lightning_radiant_energy"
	attribute units = "J"
	attribute valid_range = 0, -6
dataset /flash_frame_time_offset_of_first_event: int16, shape (222)
	attribute _Unsigned = "true"
	attribute add_offset = -5.0
	attribute axis = "T"
	attribute long_name = "GLM L2+ Lightning Detection: time of occurrence of first constituent event in flash"
	attribute scale_factor = 0.000381475606
	attribute standard_name = "time"
	attribute units = "seconds since 2026-08-27 05:02:40.000"
dataset /flash_frame_time_offset_of_last_event: int16, shape (222)
	attribute _Unsigned = "true"
	attribute add_offset = -5.0
	attribute long_name = "GLM L2+ Lightning Detection: time of occurrence of last constituent event in flash"
	attribute scale_factor = 0.000381475606
	attribute standard_name = "time"
	attribute units = "seconds since 2026-08-27 05:02:40.000"
dataset /flash_id: int16, shape (222)
	attribute _Unsigned = "true"
	attribute long_name = "product-unique lightning flash identifier"
	attribute units = "1"
dataset /flash_lat: float32, shape (222)
	attribute axis = "Y"
	attribute long_name = "GLM L2+ Lightning Detection: flash centroid (mean constituent event latitude weighted by their energies) latitude coordinate"
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
dataset /flash_lon: float32, shape (222)
	attribute axis = "X"
	attribute long_name = "GLM L2+ Lightning Detection: flash centroid (mean constituent event latitude weighted by their energies) longitude coordinate"
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
dataset /flash_quality_flag: int16, shape (222)
	attribute _FillValue = -1
	attribute _Unsigned = "true"
	attribute cell_methods = "lightning_wavelength: sum flash_time_offset_of_first_event: flash_time_offset_of_last_event: sum area: mean (centroid location of constituent events defined by variables group_parent_flash_id and event_parent_group_id weighted by their radiant energies) where cloud"
	attribute coordinates = "flash_id lightning_wavelength flash_time_threshold flash_time_offset_of_first_event flash_time_offset_of_last_event flash_lat flash_lon"
	attribute flag_meanings = "good_quality_qf degraded_due_to_flash_constituent_events_out_of_time_order_qf degraded_due_to_flash_constituent_event_count_exceeds_threshold_qf degraded_due_to_flash_duration_exceeds_threshold_qf"
	attribute flag_values = 0, 1, 3, 5
	attribute grid_mapping = "goes_lat_lon_projection"
	attribute long_name = "GLM L2+ Lightning Detection: flash data quality flags"
	attribute number_of_qf_values = 4
	attribute percent_degraded_due_to_flash_constituent_event_count_exceeds_threshold_qf = 0.0
	attribute percent_degraded_due_to_flash_constituent_events_out_of_time_order_qf = 0.0
	attribute percent_degraded_due_to_flash_duration_exceeds_threshold_qf = 0.0
	attribute percent_good_quality_qf = 1.0
	attribute standard_name = "status_flag"
	attribute units = "1"
	attribute valid_range = 0, 5
dataset /flash_time_offset_of_first_event: int16, shape (222)
	attribute _Unsigned = "true"
	attribute add_offset = -5.0
	attribute axis = "T"
	attribute long_name = "GLM L2+ Lightning Detection: time of occurrence of first constituent event in flash"
	attribute scale_factor = 0.000381475606
	attribute standard_name = "time"
	attribute units = "seconds since 2026-08-27 05:02:40.000"
dataset /flash_time_offset_of_last_event: int16, shape (222)
	attribute _Unsigned = "true"
	attribute add_offset = -5.0
	attribute long_name = "GLM L2+ Lightning Detection: time of occurrence of last constituent event in flash"
	attribute scale_factor = 0.000381475606
	attribute standard_name = "time"
	attribute units = "seconds since 2026-08-27 05:02:40.000"
dataset /flash_time_threshold: float32, shape ()
	attribute long_name = "lightning flash maximum time difference among lightning events in a flash"
	attribute units = "s"
dataset /goes_lat_lon_projection: int32, shape ()
	attribute grid_mapping_name = "latitude_longitude"
	attribute inverse_flattening = 298.2572221
	attribute long_name = "GOES-R latitude / longitude projection"
	attribute longitude_of_prime_meridian = 0.0
	attribute semi_major_axis = 6378137.0
	attribute semi_minor_axis = 6356752.31414
dataset /group_area: int16, shape (7423)
	attribute _FillValue = -1
	attribute _Unsigned = "true"
	attribute add_offset = 0.0
	attribute cell_methods = "lightning_wavelength: sum group_time_offset: mean (times of occurrence of group's constituent events defined by variable event_parent_group_id) area: sum (interval: 8 km comment: resolution of sensor data at nadir, adjacent pixels only, including the diagonal, in sensor focal plane array) where cloud"
	attribute coordinates = "group_parent_flash_id event_parent_group_id group_id lightning_wavelength group_time_threshold group_time_offset group_lat group_lon"
	attribute grid_mapping = "goes_lat_lon_projection"
	attribute long_name = "GLM L2+ Lightning Detection: group area coverage (pixels containing at least one constituent event only)"
	attribute scale_factor = 152601.859
	attribute units = "m2"
	attribute valid_range = 0, -6
dataset /group_count: int32, shape ()
	attribute _FillValue = -1
	attribute cell_methods = "lightning_wavelength: sum product_time: sum area: sum where cloud"
	attribute coordinates = "lightning_wavelength product_time lat_field_of_view lon_field_of_view"
	attribute grid_mapping = "goes_lat_lon_projection"
	attribute long_name = "number of lightning groups in product"
	attribute units = "count"
	attribute valid_range = 1, 630000
dataset /group_energy: int16, shape (7423)
	attribute _FillValue = -1
	attribute _Unsigned = "true"
	attribute add_offset = 2.85149989e-16
	attribute ancillary_variables = "group_quality_flag"
	attribute cell_measures = "area: group_area"
	attribute cell_methods = "lightning_wavelength: sum group_time_offset: mean (times of occurrence of group's constituent events defined by variable event_parent_group_id) area: mean (centroid location of constituent events defined by variable event_parent_group_id weighted by their radiant energies) where cloud"
	attribute coordinates = "group_parent_flash_id event_parent_group_id group_id lightning_wavelength group_time_threshold group_time_offset group_lat group_lon"
	attribute grid_mapping = "goes_lat_lon_projection"
	attribute long_name = "GLM L2+ Lightning Detection: group radiant energy"
	attribute scale_factor = 9.99879976e-17
	attribute standard_name = "lightning_radiant_energy"
	attribute units = "J"
	attribute valid_range = 0, -6
dataset /group_frame_time_offset: int16, shape (7423)
	attribute _Unsigned = "true"
	attribute add_offset = -5.0
	attribute axis = "T"
	attribute long_name = "GLM L2+ Lightning Detection: mean time of group's constituent events' times of occurrence"
	attribute scale_factor = 0.000381475606
	attribute standard_name = "time"
	attribute units = "seconds since 2026-08-27 05:02:40.000"
dataset /group_id: int32, shape (7423)
	attribute _Unsigned = "true"
	attribute long_name = "product-unique lightning group identifier"
	attribute units = "1"
dataset /group_lat: float32, shape (7423)
	attribute axis = "Y"
	attribute long_name = "GLM L2+ Lightning Detection: group centroid (mean constituent event latitude weighted by their energies) latitude coordinate"
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
dataset /group_lon: float32, shape (7423)
	attribute axis = "X"
	attribute long_name = "GLM L2+ Lightning Detection: group centroid (mean constituent event latitude weighted by their energies) longitude coordinate"
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
dataset /group_parent_flash_id: int16, shape (7423)
	attribute _Unsigned = "true"
	attribute long_name = "product-unique lightning flash identifier for one or more groups"
	attribute units = "1"
dataset /group_quality_flag: int16, shape (7423)
	attribute _FillValue = -1
	attribute _Unsigned = "true"
	attribute cell_methods = "lightning_wavelength: sum group_time_offset: mean (times of occurrence of group's constituent events defined by variable event_parent_group_id) area: mean (centroid location of constituent events defined by variable event_parent_group_id weighted by their radiant energies) where cloud"
	attribute coordinates = "group_id lightning_wavelength group_time_threshold group_time_offset group_lat group_lon"
	attribute flag_meanings = "good_quality_qf degraded_due_to_group_constituent_events_out_of_time_order_or_parent_flash_abnormal_qf degraded_due_to_group_constituent_event_count_exceeds_threshold_qf degraded_due_to_group_duration_exceeds_threshold_qf"
	attribute flag_values = 0, 1, 3, 5
	attribute grid_mapping = "goes_lat_lon_projection"
	attribute long_name = "GLM L2+ Lightning Detection: group data quality flags"
	attribute number_of_qf_values = 4
	attribute percent_degraded_due_to_group_constituent_event_count_exceeds_threshold_qf = 0.0
	attribute percent_degraded_due_to_group_constituent_events_out_of_time_order_or_parent_flash_abnormal_qf = 0.0
	attribute percent_degraded_due_to_group_duration_exceeds_threshold_qf = 0.0
	attribute percent_good_quality_qf = 1.0
	attribute standard_name = "status_flag"
	attribute units = "1"
	attribute valid_range = 0, 5
dataset /group_time_offset: int16, shape (7423)
	attribute _Unsigned = "true"
	attribute add_offset = -5.0
	attribute axis = "T"
	attribute long_name = "GLM L2+ Lightning Detection: mean time of group's constituent events' times of occurrence"
	attribute scale_factor = 0.000381475606
	attribute standard_name = "time"
	attribute units = "seconds since 2026-08-27 05:02:40.000"
dataset /group_time_threshold: float32, shape ()
	attribute long_name = "lightning group maximum time difference among lightning events in a group"
	attribute units = "s"
dataset /lat_field_of_view: float32, shape ()
	attribute axis = "Y"
	attribute bounds = "lat_field_of_view_bounds"
	attribute long_name = "latitude coordinate for center of field of view"
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
dataset /lat_field_of_view_bounds: float32, shape (2)
	attribute long_name = "latitude coordinates for north/south extent of field of view"
dataset /lightning_wavelength: float32, shape ()
	attribute bounds = "lightning_wavelength_bounds"
	attribute long_name = "central wavelength for lightning data"
	attribute standard_name = "sensor_band_central_radiation_wavelength"
	attribute units = "nm"
dataset /lightning_wavelength_bounds: float32, shape (2)
	attribute long_name = "wavelength range lightning data (full width at half the maximum of the response function)"
dataset /lon_field_of_view: float32, shape ()
	attribute axis = "X"
	attribute bounds = "lon_field_of_view_bounds"
	attribute long_name = "longitude coordinate for center of field of view"
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
dataset /lon_field_of_view_bounds: float32, shape (2)
	attribute long_name = "longitude coordinates for west/east extent of field of view"
dataset /nominal_satellite_height: float32, shape ()
	attribute _FillValue = -999.0
	attribute long_name = "nominal satellite height above GRS 80 ellipsoid (platform altitude)"
	attribute standard_name = "height_above_reference_ellipsoid"
	attribute units = "km"
dataset /nominal_satellite_subpoint_lat: float32, shape ()
	attribute _FillValue = -999.0
	attribute long_name = "nominal satellite subpoint latitude (platform latitude)"
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
dataset /nominal_satellite_subpoint_lon: float32, shape ()
	attribute _FillValue = -999.0
	attribute long_name = "nominal satellite subpoint longitude (platform longitude)"
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
dataset /number_of_events: float32, shape (0)
dataset /number_of_field_of_view_bounds: float32, shape (2)
dataset /number_of_flashes: float32, shape (0)
dataset /number_of_groups: float32, shape (0)
dataset /number_of_time_bounds: float32, shape (2)
dataset /number_of_wavelength_bounds: float32, shape (2)
dataset /percent_navigated_L1b_events: float32, shape ()
	attribute _FillValue = -999.0
	attribute cell_methods = "lightning_wavelength: sum product_time: sum area: sum (filtered, and filtered and navigated lightning events only) where cloud"
	attribute coordinates = "lightning_wavelength product_time lat_field_of_view lon_field_of_view"
	attribute grid_mapping = "goes_lat_lon_projection"
	attribute long_name = "after false event filtering, percent of lightning events navigated by instrument"
	attribute units = "percent"
	attribute valid_range = 0.0, 1.0
dataset /percent_uncorrectable_L0_errors: float32, shape ()
	attribute _FillValue = -999.0
	attribute cell_methods = "product_time: sum area: sum (uncorrectable L0 errors only)"
	attribute coordinates = "product_time lat_field_of_view lon_field_of_view"
	attribute grid_mapping = "goes_lat_lon_projection"
	attribute long_name = "percent data lost due to uncorrectable L0 errors"
	attribute units = "percent"
	attribute valid_range = 0.0, 1.0
dataset /processing_parm_version_container: int32, shape ()
	attribute L1b_processing_parm_version = "OR_GLM-L2-PARM-LCFA_G19_v01r00.zip"
	attribute long_name = "container for processing parameter filenames"
dataset /product_time: float64, shape ()
	attribute axis = "T"
	attribute bounds = "product_time_bounds"
	attribute long_name = "start time of observations associated with product"
	attribute standard_name = "time"
	attribute units = "seconds since 2000-01-01 12:00:00"
dataset /product_time_bounds: float64, shape (2)
	attribute long_name = "start and end time of observations associated with product"
dataset /yaw_flip_flag: int8, shape ()
	attribute _FillValue = -1
	attribute _Unsigned = "true"
	attribute cell_methods = "product_time: sum"
	attribute coordinates = "product_time"
	attribute flag_meanings = "upright neither inverted"
	attribute flag_values = 0, 1, 2
	attribute long_name = "Flag indicating spacecraft is operating in yaw flip configuration"
	attribute units = "1"
	attribute valid_range = 0, 2