{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:48.198998", "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-Oct-10_to_2020-Oct-14_345.5_24.5"}, "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": 2020100001602}, "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": "October 10 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 14 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 175548.4621515438}, "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": ["Mauritania", "Morocco"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 24.5}, "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": 345.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "345.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 344.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 350.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.25}, "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": {"2020-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-13.0, 25.25], [-12.47, 25.03], [-12.25, 24.5], [-12.47, 23.97], [-13.0, 23.75], [-13.53, 23.97], [-13.75, 24.5], [-13.53, 25.03], [-13.0, 25.25]]]]}, "2020-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.25, 24.5], [-15.03, 25.03], [-14.5, 25.25], [-14.25, 25.15], [-14.18, 25.18], [-14.03, 25.53], [-13.68, 25.68], [-13.65, 25.75], [-13.75, 26.0], [-13.65, 26.25], [-13.75, 26.5], [-13.53, 27.03], [-13.18, 27.18], [-13.03, 27.53], [-12.5, 27.75], [-12.25, 27.65], [-12.18, 27.68], [-12.03, 28.03], [-11.5, 28.25], [-11.25, 28.15], [-11.18, 28.18], [-11.03, 28.53], [-10.5, 28.75], [-10.25, 28.65], [-10.0, 28.75], [-9.47, 28.53], [-9.25, 28.0], [-9.35, 27.75], [-9.25, 27.5], [-9.46, 27.0], [-9.32, 26.68], [-8.97, 26.53], [-8.75, 26.0], [-8.97, 25.47], [-9.32, 25.32], [-9.35, 25.25], [-9.25, 25.0], [-9.47, 24.47], [-10.0, 24.25], [-10.25, 24.35], [-10.5, 24.25], [-10.75, 24.35], [-11.0, 24.25], [-11.25, 24.35], [-11.32, 24.32], [-11.47, 23.97], [-11.82, 23.82], [-11.97, 23.47], [-12.5, 23.25], [-12.75, 23.35], [-13.0, 23.25], [-13.25, 23.35], [-13.5, 23.25], [-13.75, 23.35], [-14.0, 23.25], [-14.53, 23.47], [-14.68, 23.82], [-15.03, 23.97], [-15.25, 24.5]]]]}, "2020-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.03, 24.53], [-15.68, 24.68], [-15.53, 25.03], [-15.18, 25.18], [-15.15, 25.25], [-15.25, 25.5], [-15.03, 26.03], [-14.68, 26.18], [-14.53, 26.53], [-14.0, 26.75], [-13.75, 26.65], [-13.68, 26.68], [-13.53, 27.03], [-13.18, 27.18], [-13.03, 27.53], [-12.5, 27.75], [-12.25, 27.65], [-12.18, 27.68], [-12.03, 28.03], [-11.5, 28.25], [-11.25, 28.15], [-11.18, 28.18], [-11.03, 28.53], [-10.5, 28.75], [-10.25, 28.65], [-10.0, 28.75], [-9.47, 28.53], [-9.25, 28.0], [-9.35, 27.75], [-9.25, 27.5], [-9.46, 27.0], [-9.32, 26.68], [-8.97, 26.53], [-8.75, 26.0], [-8.97, 25.47], [-9.32, 25.32], [-9.35, 25.25], [-9.25, 25.0], [-9.47, 24.47], [-10.0, 24.25], [-10.25, 24.35], [-10.5, 24.25], [-10.75, 24.35], [-11.0, 24.25], [-11.25, 24.35], [-11.32, 24.32], [-11.47, 23.97], [-11.82, 23.82], [-11.97, 23.47], [-12.5, 23.25], [-12.75, 23.35], [-13.0, 23.25], [-13.25, 23.35], [-13.5, 23.25], [-13.75, 23.35], [-14.0, 23.25], [-14.25, 23.35], [-14.5, 23.25], [-14.75, 23.35], [-14.82, 23.32], [-14.97, 22.97], [-15.5, 22.75], [-16.03, 22.97], [-16.25, 23.5], [-16.15, 23.75], [-16.25, 24.0], [-16.03, 24.53]]]]}, "2020-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.03, 24.53], [-15.68, 24.68], [-15.53, 25.03], [-15.18, 25.18], [-15.15, 25.25], [-15.25, 25.5], [-15.03, 26.03], [-14.68, 26.18], [-14.53, 26.53], [-14.0, 26.75], [-13.75, 26.65], [-13.68, 26.68], [-13.53, 27.03], [-13.18, 27.18], [-13.03, 27.53], [-12.5, 27.75], [-12.25, 27.65], [-12.18, 27.68], [-12.03, 28.03], [-11.5, 28.25], [-11.25, 28.15], [-11.18, 28.18], [-11.03, 28.53], [-10.5, 28.75], [-10.25, 28.65], [-10.0, 28.75], [-9.47, 28.53], [-9.25, 28.0], [-9.35, 27.75], [-9.25, 27.5], [-9.46, 27.0], [-9.32, 26.68], [-8.97, 26.53], [-8.75, 26.0], [-8.97, 25.47], [-9.32, 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31.265591607280044, 31.067834716150003]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.010584602277845, 4.971271855730051, 6.328223830307879, 5.478920533791638, 4.6893598384263235]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.010584602277845, 6.363500216986779, 7.458452001287867, 7.590475676617473, 5.661606515921562]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3512762072643283, 1.670053229690751, 2.227484158198513, 1.947999398617395, 1.724868417851715]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3512762072643283, 1.9620651844040835, 3.0178712520732316, 3.492116302335834, 2.167889264784038]}}