{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:44.439524", "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": "2010-Sep-12_to_2010-Sep-14_20.0_-30.0"}, "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": 2010090002088}, "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": "September 12 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 14 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 74736.0746354388}, "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": ["Namibia", "South Africa"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Southern-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": -30.0}, "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": 20.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "20.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 18.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 23.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -32.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -27.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.47, -26.97], [19.0, -26.75], [19.5, -26.96], [20.0, -26.75], 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"2010-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.47, -26.97], [19.0, -26.75], [19.5, -26.96], [20.0, -26.75], [20.53, -26.97], [20.68, -27.32], [21.03, -27.47], [21.25, -28.0], [21.03, -28.53], [20.5, -28.75], [20.25, -28.65], [20.18, -28.68], [20.15, -28.75], [20.25, -29.0], [20.15, -29.25], [20.18, -29.32], [20.53, -29.47], [20.75, -30.0], [20.65, -30.25], [20.68, -30.32], [20.75, -30.35], [21.0, -30.25], [21.25, -30.35], [21.5, -30.25], [21.75, -30.35], [22.0, -30.25], [22.53, -30.47], [22.68, -30.82], [22.75, -30.85], [23.0, -30.75], [23.53, -30.97], [23.75, -31.5], [23.53, -32.03], [23.18, -32.18], [23.03, -32.53], [22.5, -32.75], [22.25, -32.65], [22.0, -32.75], [21.75, -32.65], [21.68, -32.68], [21.53, -33.03], [21.0, -33.25], [20.47, -33.03], [20.25, -32.5], [20.35, -32.25], [20.32, -32.18], [19.97, -32.03], [19.75, -31.5], [19.85, -31.25], [19.82, -31.18], [19.47, -31.03], [19.32, -30.68], [18.97, -30.53], [18.75, -30.0], [18.85, -29.75], [18.82, -29.68], [18.47, -29.53], [18.25, -29.0], [18.46, -28.5], [18.25, -28.0], [18.35, -27.75], [18.25, -27.5], [18.47, -26.97]]]]}, "2010-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.47, -26.97], [19.0, -26.75], [19.5, -26.96], [20.0, -26.75], [20.53, -26.97], [20.68, -27.32], [21.03, -27.47], [21.25, -28.0], [21.03, -28.53], [20.5, -28.75], [20.25, -28.65], [20.18, -28.68], [20.15, -28.75], [20.25, -29.0], [20.15, -29.25], [20.18, -29.32], [20.53, -29.47], [20.75, -30.0], [20.65, -30.25], [20.68, -30.32], [20.75, -30.35], [21.0, -30.25], [21.25, -30.35], [21.5, -30.25], [21.75, -30.35], [22.0, -30.25], [22.53, -30.47], [22.68, -30.82], [22.75, -30.85], [23.0, -30.75], [23.53, -30.97], [23.75, -31.5], [23.53, -32.03], [23.18, -32.18], [23.03, -32.53], [22.5, -32.75], [22.25, -32.65], [22.0, -32.75], [21.75, -32.65], [21.68, -32.68], [21.53, -33.03], [21.0, -33.25], [20.47, -33.03], [20.25, -32.5], [20.35, -32.25], [20.32, -32.18], [19.97, -32.03], [19.75, 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anomalies.", "value": [6.116206667723255, 7.902799886410331, 6.967868288650313]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.629887157162727, 9.214036654854908, 8.900081310355631]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4382747757634837, 1.8829244381719217, 1.6522729777898504]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6629690058750566, 2.2264005577082115, 2.148034025188159]}}