{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:35.154861", "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-Aug-30_to_2010-Sep-01_28.0_-31.5"}, "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": 2010080003012}, "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 30 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 01 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": 93096.60502138657}, "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": ["Lesotho", "South Africa"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "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": -31.5}, "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": 28.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "28.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 23.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 30.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -32.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -28.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.47, -29.03], [23.25, -28.5], [23.47, -27.97], [24.0, 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[24.0, -29.25], [23.47, -29.03]]]]}, "2010-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.47, -29.03], [23.25, -28.5], [23.47, -27.97], [24.0, -27.75], [24.25, -27.85], [24.5, -27.75], [25.03, -27.97], [25.18, -28.32], [25.53, -28.47], [25.68, -28.82], [26.03, -28.97], [26.18, -29.32], [26.53, -29.47], [26.68, -29.82], [26.75, -29.85], [27.0, -29.75], [27.53, -29.97], [27.68, -30.32], [27.75, -30.35], [27.82, -30.32], [27.97, -29.97], [28.32, -29.82], [28.47, -29.47], [29.0, -29.25], [29.5, -29.46], [30.0, -29.25], [30.25, -29.35], [30.5, -29.25], [31.03, -29.47], [31.25, -30.0], [31.03, -30.53], [30.5, -30.75], [30.25, -30.65], [30.18, -30.68], [30.03, -31.03], [29.68, -31.18], [29.53, -31.53], [29.18, -31.68], [29.03, -32.03], [28.5, -32.25], [28.25, -32.15], [28.18, -32.18], [28.03, -32.53], [27.5, -32.75], [27.25, -32.65], [27.0, -32.75], [26.75, -32.65], [26.5, -32.75], [25.97, -32.53], [25.82, -32.18], [25.47, -32.03], [25.32, -31.68], [24.97, -31.53], 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.076222249312219, 5.5470548943134625, 5.222306010754169]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.541902572867571, 7.452751216529066, 6.575555539011987]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7359812348772945, 1.633934001519231, 1.5714520822389695]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.162533791609409, 2.265325339377314, 2.024904944455138]}}