{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:20.038556", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2023-Sep-07_to_2023-Sep-11_107.5_1.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2023090001091}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "September 07 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 11 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 111251.97150847959}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Indonesia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["South China Sea"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 1.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 107.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "107.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 106.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 110.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[105.97, 2.53], [106.32, 2.68], [106.35, 2.75], [106.25, 3.0], [106.47, 3.53], [107.0, 3.75], [107.53, 3.53], [107.68, 3.18], [108.03, 3.03], [108.18, 2.68], [108.53, 2.53], [108.75, 2.0], [108.65, 1.75], [108.68, 1.68], [108.75, 1.65], [109.0, 1.75], [109.53, 1.53], [109.68, 1.18], [110.03, 1.03], [110.18, 0.68], [110.53, 0.53], [110.75, 0.0], [110.53, -0.53], [110.18, -0.68], [110.15, -0.75], [110.25, -1.0], [110.03, -1.53], [109.5, -1.75], [109.25, -1.65], [109.0, -1.75], [108.47, -1.53], [108.32, -1.18], [108.25, -1.15], [108.0, -1.25], [107.47, -1.03], [107.32, -0.68], [107.25, -0.65], [107.0, -0.75], [106.47, -0.53], [106.25, 0.0], [106.35, 0.25], [106.32, 0.32], [105.97, 0.47], [105.75, 1.0], [105.85, 1.25], [105.75, 1.5], [105.85, 1.75], [105.75, 2.0], [105.97, 2.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": 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[110.15, -0.75], [110.25, -1.0], [110.03, -1.53], [109.5, -1.75], [109.25, -1.65], [109.0, -1.75], [108.47, -1.53], [108.32, -1.18], [108.25, -1.15], [108.0, -1.25], [107.47, -1.03], [107.32, -0.68], [107.25, -0.65], [107.0, -0.75], [106.47, -0.53], [106.25, 0.0], [106.35, 0.25], [106.32, 0.32], [105.97, 0.47], [105.75, 1.0], [105.85, 1.25], [105.75, 1.5]]]]}, "2023-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.75, 1.5], [105.85, 1.75], [105.75, 2.0], [105.97, 2.53], [106.32, 2.68], [106.35, 2.75], [106.25, 3.0], [106.47, 3.53], [107.0, 3.75], [107.53, 3.53], [107.68, 3.18], [108.03, 3.03], [108.18, 2.68], [108.53, 2.53], [108.75, 2.0], [108.65, 1.75], [108.68, 1.68], [108.75, 1.65], [109.0, 1.75], [109.53, 1.53], [109.68, 1.18], [110.03, 1.03], [110.18, 0.68], [110.53, 0.53], [110.75, 0.0], [110.53, -0.53], [110.18, -0.68], [110.15, -0.75], [110.25, -1.0], [110.03, -1.53], [109.5, -1.75], [109.25, -1.65], [109.0, -1.75], [108.47, -1.53], [108.32, -1.18], 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[106.25, 0.5], [106.35, 0.75], [106.25, 1.0], [106.35, 1.25], [106.32, 1.32], [105.97, 1.47]]]]}, "2023-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.97, 1.47], [105.75, 2.0], [105.97, 2.53], [106.32, 2.68], [106.35, 2.75], [106.25, 3.0], [106.47, 3.53], [107.0, 3.75], [107.53, 3.53], [107.68, 3.18], [108.03, 3.03], [108.25, 2.5], [108.15, 2.25], [108.25, 2.0], [108.15, 1.75], [108.25, 1.5], [108.15, 1.25], [108.2, 1.13], [108.5, 1.25], [109.03, 1.03], [109.25, 0.5], [109.04, 0.0], [109.25, -0.5], [109.03, -1.03], [108.5, -1.25], [108.25, -1.15], [108.0, -1.25], [107.47, -1.03], [107.32, -0.68], [106.97, -0.53], [106.82, -0.18], [106.47, -0.03], [106.25, 0.5], [106.35, 0.75], [106.25, 1.0], [106.35, 1.25], [106.32, 1.32], [105.97, 1.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3490696605834955}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0241436680249116}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.165449646524564, 28.17929606423968, 28.343019190725443, 28.171109478469134, 28.16546414033246]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.451779650815695, 28.648484778961972, 28.829831302113064, 28.56035759628935, 28.363652468143187]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8753214397794509, 1.0939422817756044, 1.195474065704867, 1.0017502191267642, 0.7153382538312585]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.064590441275186, 2.026771309175217, 2.3490696605834955, 1.7771280866732582, 0.7843152102406066]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5245049587567472, 1.7967592726900867, 1.964869215678362, 1.6299183479399628, 1.3156658142890678]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7105103117322813, 2.3600956551224175, 2.6124422702670236, 2.126763025146442, 1.4763018319512]}}