{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:19:08.380462", "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-Mar-24_to_2022-Apr-01_15.0_-14.0"}, "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": 2022030002506}, "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": "March 24 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 01 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 147036.58868663816}, "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": ["Angola"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -14.0}, "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": 15.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "15.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 13.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 17.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[16.75, -15.5], [16.53, -16.03], [16.18, -16.18], [16.03, -16.53], [15.5, -16.75], [14.97, -16.53], [14.75, -16.0], [14.85, 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IPCC regions affected", "value": ["W.Southern-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.25, -12.0], [15.47, -11.47], [16.0, -11.25], [16.25, -11.35], [16.5, -11.25], [17.03, -11.47], [17.25, -12.0], [17.15, -12.25], [17.25, -12.5], [17.03, -13.03], [16.5, -13.25], [16.25, -13.15], [16.0, -13.25], [15.47, -13.03], [15.25, -12.5], [15.35, -12.25], [15.25, -12.0]]]]}, "2022-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.47, -12.97], [13.82, -12.82], [13.97, -12.47], [14.32, -12.32], [14.47, -11.97], [14.82, -11.82], [14.97, -11.47], [15.5, -11.25], [15.75, -11.35], [16.0, -11.25], [16.25, -11.35], [16.5, -11.25], [17.03, -11.47], [17.18, -11.82], [17.53, -11.97], [17.75, -12.5], [17.65, -12.75], [17.75, -13.0], [17.53, -13.53], [17.18, -13.68], [17.04, -14.0], [17.25, -14.5], [17.03, 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