{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:17.343098", "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": "2017-Oct-23_to_2017-Oct-25_17.5_-10.0"}, "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": 2017100002469}, "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 23 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 25 2017"}, "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": 140188.67598000358}, "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": ["Angola", "Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": -10.0}, "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": 17.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "17.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 14.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 20.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.32, -9.32], [15.47, -8.97], [15.82, -8.82], [15.85, -8.75], [15.75, -8.5], [15.85, -8.25], [15.82, -8.18], [15.47, -8.03], [15.25, -7.5], [15.47, -6.97], [16.0, -6.75], [16.25, -6.85], [16.32, -6.82], [16.47, -6.47], [17.0, -6.25], [17.53, -6.47], [17.75, -7.0], [17.65, -7.25], [17.75, -7.5], [17.65, -7.75], [17.75, -8.0], [17.65, -8.25], [17.68, -8.32], [17.75, -8.35], [18.0, -8.25], [18.25, -8.35], [18.5, -8.25], [18.75, -8.35], [19.0, -8.25], [19.25, -8.35], [19.5, -8.25], [19.75, -8.35], [20.0, -8.25], [20.53, -8.47], [20.75, -9.0], [20.65, -9.25], [20.75, -9.5], [20.53, -10.03], [20.18, -10.18], [20.03, -10.53], [19.5, -10.75], [19.25, -10.65], [19.0, -10.75], [18.75, -10.65], [18.68, -10.68], [18.65, -10.75], [18.75, -11.0], [18.65, -11.25], [18.75, -11.5], [18.53, -12.03], [18.0, -12.25], [17.5, -12.04], [17.0, -12.25], [16.47, -12.03], [16.32, -11.68], [15.97, -11.53], [15.82, -11.18], [15.5, -11.04], [15.0, -11.25], [14.47, -11.03], [14.25, -10.5], [14.47, -9.97], [14.82, -9.82], [14.97, -9.47], [15.32, -9.32]]]]}, "2017-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.32, -9.32], [15.47, -8.97], [15.82, -8.82], [15.85, -8.75], [15.75, -8.5], [15.85, -8.25], [15.82, -8.18], [15.47, -8.03], [15.25, -7.5], [15.47, -6.97], [16.0, -6.75], [16.25, -6.85], [16.32, -6.82], [16.47, -6.47], [17.0, -6.25], [17.53, -6.47], [17.75, -7.0], [17.65, -7.25], [17.75, -7.5], [17.65, -7.75], [17.75, -8.0], [17.65, -8.25], [17.68, -8.32], [17.75, -8.35], [18.0, -8.25], [18.25, -8.35], [18.5, -8.25], [18.75, -8.35], [19.0, -8.25], [19.25, -8.35], [19.5, -8.25], [19.75, -8.35], [20.0, -8.25], [20.53, -8.47], [20.75, -9.0], [20.65, -9.25], [20.75, -9.5], [20.53, -10.03], [20.18, -10.18], [20.03, -10.53], [19.5, -10.75], [19.25, -10.65], [19.0, -10.75], [18.75, -10.65], [18.68, -10.68], [18.65, -10.75], [18.75, -11.0], [18.65, -11.25], [18.75, -11.5], [18.53, -12.03], [18.0, -12.25], [17.5, -12.04], [17.0, -12.25], [16.47, -12.03], [16.32, -11.68], [15.97, -11.53], [15.82, -11.18], [15.5, -11.04], [15.0, -11.25], [14.47, -11.03], [14.25, -10.5], [14.47, -9.97], [14.82, -9.82], [14.97, -9.47], [15.32, -9.32]]]]}, "2017-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.32, -9.32], [15.47, -8.97], [15.82, -8.82], [15.85, -8.75], [15.75, -8.5], [15.85, -8.25], [15.82, -8.18], [15.47, -8.03], [15.25, -7.5], [15.47, -6.97], [16.0, -6.75], [16.25, -6.85], [16.32, -6.82], [16.47, -6.47], [17.0, -6.25], [17.53, -6.47], [17.75, -7.0], [17.65, -7.25], [17.75, -7.5], [17.65, -7.75], [17.75, -8.0], [17.65, -8.25], [17.68, -8.32], [17.75, -8.35], [18.0, -8.25], [18.25, -8.35], [18.5, -8.25], [18.75, -8.35], [19.0, -8.25], [19.25, -8.35], [19.5, -8.25], [19.75, -8.35], [20.0, -8.25], [20.53, -8.47], [20.75, -9.0], [20.65, -9.25], [20.75, -9.5], [20.53, -10.03], [20.18, -10.18], [20.03, -10.53], [19.5, -10.75], [19.25, -10.65], [19.0, -10.75], [18.75, -10.65], [18.68, -10.68], [18.65, -10.75], [18.75, -11.0], [18.65, -11.25], [18.75, -11.5], [18.53, -12.03], 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"value": [1.9350113179785873, 2.3700525538638444, 1.9663187607710053]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.472725156395711, 3.2610733104608585, 3.412712963481397]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9494105905759143, 2.3714169683331576, 1.9731491477614092]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [3.1996670540816465, 3.41564820008017, 2.8216543232444957]}}