{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:28:43.808067", "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": "2021-Dec-13_to_2021-Dec-17_112.5_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": 2021120001874}, "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": "December 13 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 17 2021"}, "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": 61754.3681928949}, "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", "Malaysia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "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": 112.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "112.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 108.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 113.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-12-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.5, 2.25], [114.03, 2.03], [114.25, 1.5], [114.03, 0.97], [113.5, 0.75], [112.97, 0.97], [112.75, 1.5], [112.97, 2.03], [113.5, 2.25]]]]}, "2021-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.47, 2.53], [111.82, 2.68], [111.97, 3.03], [112.5, 3.25], [113.03, 3.03], [113.18, 2.68], [113.53, 2.53], [113.68, 2.18], [114.03, 2.03], [114.25, 1.5], [114.15, 1.25], [114.25, 1.0], [114.03, 0.47], [113.5, 0.25], [112.97, 0.47], [112.82, 0.82], [112.75, 0.85], [112.5, 0.75], [112.25, 0.85], [112.0, 0.75], [111.47, 0.97], [111.25, 1.5], [111.35, 1.75], [111.25, 2.0], [111.47, 2.53]]]]}, "2021-12-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.47, 2.97], [108.25, 3.5], [108.47, 4.03], [109.0, 4.25], [109.25, 4.15], [109.5, 4.25], [109.75, 4.15], [110.0, 4.25], [110.53, 4.03], [110.68, 3.68], [110.75, 3.65], [110.82, 3.68], [110.97, 4.03], [111.32, 4.18], [111.47, 4.53], [112.0, 4.75], [112.53, 4.53], [112.75, 4.0], [112.65, 3.75], [112.75, 3.5], [112.63, 3.2], [113.03, 3.03], [113.18, 2.68], [113.53, 2.53], [113.68, 2.18], [114.03, 2.03], [114.25, 1.5], [114.15, 1.25], [114.25, 1.0], [114.03, 0.47], [113.5, 0.25], [112.97, 0.47], [112.82, 0.82], [112.75, 0.85], [112.5, 0.75], [112.25, 0.85], [112.0, 0.75], [111.47, 0.97], [111.32, 1.32], [110.97, 1.47], [110.75, 2.0], [110.85, 2.25], [110.82, 2.32], [110.75, 2.35], [110.5, 2.25], [109.97, 2.47], [109.82, 2.82], [109.75, 2.85], [109.5, 2.75], [109.25, 2.85], [109.0, 2.75], [108.47, 2.97]]]]}, "2021-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.47, 2.97], [108.25, 3.5], [108.47, 4.03], [109.0, 4.25], [109.25, 4.15], [109.5, 4.25], [109.75, 4.15], [110.0, 4.25], [110.53, 4.03], [110.68, 3.68], [110.75, 3.65], [110.82, 3.68], [110.97, 4.03], [111.32, 4.18], [111.47, 4.53], [112.0, 4.75], [112.53, 4.53], [112.75, 4.0], [112.65, 3.75], [112.75, 3.5], [112.63, 3.2], [113.03, 3.03], [113.18, 2.68], [113.53, 2.53], [113.68, 2.18], [114.03, 2.03], [114.25, 1.5], [114.15, 1.25], [114.25, 1.0], [114.03, 0.47], [113.5, 0.25], [112.97, 0.47], [112.82, 0.82], [112.75, 0.85], [112.5, 0.75], [112.25, 0.85], [112.0, 0.75], [111.47, 0.97], [111.32, 1.32], [110.97, 1.47], [110.75, 2.0], [110.85, 2.25], [110.82, 2.32], [110.75, 2.35], [110.5, 2.25], [109.97, 2.47], [109.82, 2.82], [109.75, 2.85], [109.5, 2.75], [109.25, 2.85], [109.0, 2.75], [108.47, 2.97]]]]}, "2021-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.47, 2.97], [108.25, 3.5], [108.47, 4.03], [109.0, 4.25], [109.25, 4.15], [109.5, 4.25], [109.75, 4.15], [110.0, 4.25], [110.53, 4.03], [110.68, 3.68], [110.75, 3.65], [110.82, 3.68], [110.97, 4.03], [111.32, 4.18], [111.47, 4.53], [112.0, 4.75], [112.53, 4.53], [112.75, 4.0], [112.65, 3.75], [112.75, 3.5], [112.63, 3.2], [113.03, 3.03], [113.25, 2.5], [113.15, 2.25], [113.25, 2.0], [113.15, 1.75], [113.25, 1.5], [113.03, 0.97], [112.5, 0.75], [112.25, 0.85], [112.0, 0.75], [111.47, 0.97], [111.32, 1.32], [110.97, 1.47], [110.75, 2.0], [110.85, 2.25], [110.82, 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