{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:25:41.687312", "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": "2022-Dec-25_to_2022-Dec-30_26.5_-20.5"}, "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": 2022120002712}, "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 25 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 30 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 55184.1757787884}, "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": ["Botswana", "Zimbabwe"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "Africa"]}, "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": -20.5}, "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": 26.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "26.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 25.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[26.03, -18.97], [26.18, -19.32], [26.25, -19.35], [26.5, -19.25], [26.75, -19.35], [26.82, -19.32], [26.97, -18.97], 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"coordinates": [[[[25.5, -20.75], [24.97, -20.53], [24.75, -20.0], [24.97, -19.47], [25.5, -19.25], [25.75, -19.35], [26.0, -19.25], [26.25, -19.35], [26.5, -19.25], [27.03, -19.47], [27.18, -19.82], [27.25, -19.85], [27.5, -19.75], [28.03, -19.97], [28.25, -20.5], [28.03, -21.03], [27.5, -21.25], [27.25, -21.15], [27.0, -21.25], [26.75, -21.15], [26.5, -21.25], [25.97, -21.03], [25.82, -20.68], [25.75, -20.65], [25.5, -20.75]]]]}, "2022-12-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.75, -19.5], [24.97, -18.97], [25.5, -18.75], [26.03, -18.97], [26.18, -19.32], [26.25, -19.35], [26.5, -19.25], [26.75, -19.35], [27.0, -19.25], [27.25, -19.35], [27.5, -19.25], [28.03, -19.47], [28.25, -20.0], [28.15, -20.25], [28.25, -20.5], [28.03, -21.03], [27.68, -21.18], [27.53, -21.53], [27.18, -21.68], [27.03, -22.03], [26.5, -22.25], [25.97, -22.03], [25.75, -21.5], [25.85, -21.25], [25.82, -21.18], [25.47, -21.03], [25.32, -20.68], [24.97, -20.53], [24.75, -20.0], 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