{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:05.658292", "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-Aug-23_to_2023-Aug-30_138.5_-16.0"}, "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": 2023080002213}, "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": "August 23 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 30 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 89208.80447535326}, "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": ["Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": []}, "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": -16.0}, "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": 138.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "138.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 136.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 141.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -17.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[138.82, -17.18], [138.75, -17.15], [138.5, -17.25], [137.97, -17.03], [137.82, -16.68], [137.75, -16.65], [137.5, 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["N.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.0, -17.75], [139.47, -17.53], [139.25, -17.0], [139.47, -16.47], [140.0, -16.25], [140.53, -16.47], [140.75, -17.0], [140.53, -17.53], [140.0, -17.75]]], [[[135.47, -13.97], [136.0, -13.75], [136.53, -13.97], [136.75, -14.5], [136.65, -14.75], [136.68, -14.82], [136.75, -14.85], [137.0, -14.75], [137.53, -14.97], [137.68, -15.32], [138.03, -15.47], [138.25, -16.0], [138.03, -16.53], [137.5, -16.75], [136.97, -16.53], [136.82, -16.18], [136.75, -16.15], [136.5, -16.25], [135.97, -16.03], [135.82, -15.68], [135.47, -15.53], [135.25, -15.0], [135.35, -14.75], [135.25, -14.5], [135.47, -13.97]]]]}, "2023-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.25, -14.5], [135.35, -14.25], [135.25, -14.0], [135.47, -13.47], [136.0, -13.25], 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