{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:55:37.773092", "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": "2025-May-14_to_2025-May-19_22.5_-33.0"}, "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": 2025050001753}, "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": "May 14 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 19 2025"}, "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": 64837.10946375788}, "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": ["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": -33.0}, "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": 22.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 20.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 25.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -33.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -31.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.5, -32.75], [22.03, -32.97], [22.25, -33.5], [22.03, -34.03], [21.5, -34.25], [20.97, -34.03], [20.75, -33.5], [20.97, -32.97], [21.5, -32.75]]]]}, "2025-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.5, -32.25], [23.03, -32.47], [23.25, -33.0], [23.03, -33.53], [22.5, -33.75], [22.2, -33.62], [22.03, -34.03], [21.5, -34.25], [20.97, -34.03], [20.75, -33.5], [20.97, -32.97], [21.5, -32.75], [21.8, -32.87], [21.97, -32.47], [22.5, -32.25]]]]}, "2025-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.97, -34.03], [24.75, -33.5], [24.97, -32.97], [25.5, -32.75], [26.03, -32.97], [26.25, -33.5], [26.03, -34.03], [25.5, -34.25], [24.97, -34.03]]], [[[20.25, -32.5], [20.47, -31.97], [21.0, -31.75], [21.25, -31.85], [21.5, -31.75], [21.75, -31.85], [22.0, -31.75], [22.53, -31.97], [22.68, -32.32], [22.75, -32.35], [23.0, -32.25], [23.53, -32.47], [23.68, -32.82], [24.03, -32.97], [24.25, -33.5], [24.03, -34.03], [23.5, -34.25], [23.25, -34.15], [23.0, -34.25], [22.75, -34.15], [22.5, -34.25], 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"description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3792970211799227, 1.3971969320060524, 1.5038663193952624, 1.603673439324388, 2.0574356877246798, 1.7947821304939786]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3792970211799227, 1.4197070500714497, 1.734238175935807, 2.0886736394880785, 2.555609735058512, 2.170024153259375]}}