{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:22:20.149816", "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": "2020-Nov-23_to_2020-Dec-02_37.0_11.0"}, "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": 2020110002189}, "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 23 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 02 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 63673.520355163506}, "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": ["Ethiopia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa"]}, "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": 11.0}, "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": 37.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "37.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 35.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 39.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.0, 11.75], [37.53, 11.53], [37.75, 11.0], [37.53, 10.47], [37.0, 10.25], [36.47, 10.47], [36.25, 11.0], [36.47, 11.53], [37.0, 11.75]]]]}, "2020-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.0, 11.75], [37.53, 11.53], [37.75, 11.0], [37.53, 10.47], [37.0, 10.25], [36.47, 10.47], [36.25, 11.0], [36.47, 11.53], [37.0, 11.75]]]]}, "2020-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, 11.53], [36.82, 11.68], [36.97, 12.03], [37.5, 12.25], [38.03, 12.03], [38.18, 11.68], [38.53, 11.53], [38.75, 11.0], [38.53, 10.47], [38.18, 10.32], [38.03, 9.97], [37.68, 9.82], [37.53, 9.47], [37.0, 9.25], [36.75, 9.35], [36.5, 9.25], [35.97, 9.47], [35.75, 10.0], [35.97, 10.53], [36.38, 10.7], [36.25, 11.0], [36.47, 11.53]]]]}, "2020-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.25, 10.5], [35.47, 11.03], [36.0, 11.25], [36.3, 11.13], [36.47, 11.53], [36.82, 11.68], [36.88, 11.8], [36.47, 11.97], [36.25, 12.5], [36.47, 13.03], [37.0, 13.25], [37.53, 13.03], [37.75, 12.5], 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[36.75, 9.35], [36.5, 9.25], [35.97, 9.47], [35.82, 9.82], [35.47, 9.97], [35.25, 10.5]]]]}, "2020-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.32, 11.68], [36.46, 12.0], [36.25, 12.5], [36.47, 13.03], [37.0, 13.25], [37.25, 13.15], [37.5, 13.25], [38.03, 13.03], [38.18, 12.68], [38.25, 12.65], [38.5, 12.75], [39.03, 12.53], [39.18, 12.18], [39.53, 12.03], [39.68, 11.68], [40.03, 11.53], [40.25, 11.0], [40.15, 10.75], [40.25, 10.5], [40.03, 9.97], [39.5, 9.75], [38.97, 9.97], [38.82, 10.32], [38.5, 10.46], [38.18, 10.32], [38.03, 9.97], [37.5, 9.75], [37.25, 9.85], [37.0, 9.75], [36.5, 9.96], [36.0, 9.75], [35.47, 9.97], [35.25, 10.5], [35.47, 11.03], [35.82, 11.18], [35.97, 11.53], [36.32, 11.68]]]]}, "2020-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.32, 11.68], [36.46, 12.0], [36.25, 12.5], [36.47, 13.03], [37.0, 13.25], [37.25, 13.15], [37.5, 13.25], [38.03, 13.03], [38.18, 12.68], [38.25, 12.65], [38.5, 12.75], [39.03, 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