{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:17.927565", "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": "2024-Nov-27_to_2024-Dec-03_117.5_-1.0"}, "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": 2024110002335}, "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": "November 27 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 03 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 52532.78954497472}, "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": ["Celebes Sea", "Makassar Basin"]}, "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": -1.0}, "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": 117.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "117.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 116.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 119.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[116.82, -0.82], [116.91, -0.61], [116.96, -0.5], [116.75, 0.0], [116.97, 0.53], [117.32, 0.68], [117.47, 1.03], [118.0, 1.25], [118.25, 1.15], [118.32, 1.18], [118.47, 1.53], [119.0, 1.75], [119.53, 1.53], [119.75, 1.0], [119.53, 0.47], [119.18, 0.32], [119.15, 0.25], [119.25, 0.0], [119.15, -0.25], [119.25, -0.5], [119.03, -1.03], [118.68, -1.18], [118.53, -1.53], [118.18, -1.68], [118.15, -1.75], [118.25, -2.0], [118.03, -2.53], [117.68, -2.68], [117.53, -3.03], [117.0, -3.25], [116.75, -3.15], [116.5, -3.25], [115.97, -3.03], [115.75, -2.5], [115.85, -2.25], [115.75, -2.0], [115.97, -1.47], [116.32, -1.32], [116.47, -0.97], [116.82, -0.82]]]]}}, "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": {"2024-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.97, 0.53], [117.5, 0.75], [118.03, 0.53], [118.25, 0.0], [118.03, -0.53], [117.5, -0.75], [116.97, -0.53], [116.75, 0.0], [116.97, 0.53]]]]}, "2024-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.75, -2.0], [115.97, -1.47], [116.32, -1.32], [116.47, -0.97], [116.82, -0.82], [116.96, -0.5], [116.75, 0.0], [116.97, 0.53], [117.5, 0.75], [118.03, 0.53], [118.25, 0.0], [118.04, -0.5], [118.25, -1.0], [118.15, -1.25], [118.25, -1.5], [118.15, -1.75], [118.25, -2.0], [118.03, -2.53], [117.5, -2.75], [117.25, -2.65], [117.18, -2.68], [117.03, -3.03], [116.5, -3.25], [115.97, -3.03], [115.75, -2.5], [115.85, -2.25], [115.75, -2.0]]]]}, "2024-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.75, -2.0], [115.97, -1.47], [116.32, -1.32], [116.47, -0.97], [116.82, -0.82], [116.96, -0.5], [116.75, 0.0], [116.97, 0.53], [117.32, 0.68], [117.47, 1.03], [118.0, 1.25], [118.25, 1.15], [118.32, 1.18], [118.47, 1.53], [119.0, 1.75], [119.53, 1.53], [119.75, 1.0], [119.53, 0.47], [119.18, 0.32], [119.15, 0.25], [119.25, 0.0], [119.15, -0.25], [119.25, -0.5], [119.03, -1.03], 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"description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3167038655015517}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8899235276548803}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.64714075724288, 27.903577423095726, 27.904445902506552, 27.946336963130022, 27.69746260870079, 27.955372474307126, 27.637663269043003]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.64714075724288, 28.26006342569991, 28.623760477701865, 28.482642110188806, 27.964941914876306, 28.353420511881552, 27.884863789876306]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9847471110195443, 0.8558937036900858, 0.9291924236753744, 0.960900495074795, 0.7292317631397834, 0.991649757392277, 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