{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:24:13.365830", "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": "2022-Oct-22_to_2022-Oct-28_356.5_9.0"}, "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": 2022100002519}, "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 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 28 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 122100.33824012842}, "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": ["Burkina Faso", "C\u00f4te d'Ivoire", "Ghana"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "Africa", "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": 9.0}, "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": 356.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "356.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 354.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 358.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-5.0, 9.75], [-4.7, 9.62], [-4.65, 9.75], [-4.75, 10.0], [-4.65, 10.25], [-4.75, 10.5], [-4.53, 11.03], [-4.0, 11.25], [-3.47, 11.03], [-3.3, 10.62], [-3.18, 10.68], [-3.15, 10.75], [-3.25, 11.0], [-3.15, 11.25], [-3.25, 11.5], [-3.03, 12.03], [-2.5, 12.25], [-2.25, 12.15], [-2.0, 12.25], [-1.47, 12.03], [-1.25, 11.5], [-1.35, 11.25], [-1.25, 11.0], [-1.35, 10.75], [-1.32, 10.68], [-0.97, 10.53], [-0.75, 10.0], [-0.97, 9.47], [-1.37, 9.3], [-1.25, 9.0], [-1.37, 8.7], [-0.97, 8.53], [-0.75, 8.0], [-0.85, 7.75], [-0.75, 7.5], [-0.97, 6.97], [-1.32, 6.82], [-1.47, 6.47], [-2.0, 6.25], [-2.53, 6.47], [-2.75, 7.0], [-2.65, 7.25], [-2.68, 7.32], [-2.75, 7.35], [-3.0, 7.25], [-3.25, 7.35], [-3.5, 7.25], [-3.75, 7.35], [-4.0, 7.25], [-4.25, 7.35], [-4.32, 7.32], [-4.47, 6.97], [-5.0, 6.75], [-5.53, 6.97], [-5.68, 7.32], [-6.03, 7.47], [-6.25, 8.0], [-6.15, 8.25], [-6.18, 8.32], [-6.53, 8.47], [-6.75, 9.0], [-6.53, 9.53], [-6.0, 9.75], [-5.75, 9.65], [-5.5, 9.75], [-5.25, 9.65], [-5.0, 9.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.029999999999973, 9.53], [-3.5, 9.75], [-2.9700000000000273, 9.53], [-2.75, 9.0], [-2.9700000000000273, 8.47], [-3.5, 8.25], [-4.029999999999973, 8.47], [-4.25, 9.0], [-4.029999999999973, 9.53]]]]}, "2022-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.529999999999973, 8.47], [-5.75, 9.0], [-5.529999999999973, 9.53], [-5.0, 9.75], [-4.470000000000027, 9.53], [-4.319999999999993, 9.18], [-4.199999999999989, 9.12], [-4.029999999999973, 9.53], [-3.5, 9.75], [-2.9700000000000273, 9.53], [-2.819999999999993, 9.18], [-2.75, 9.15], [-2.680000000000007, 9.18], [-2.5299999999999727, 9.53], [-2.0, 9.75], [-1.4700000000000273, 9.53], [-1.25, 9.0], [-1.4700000000000273, 8.47], [-1.8199999999999932, 8.32], [-1.9700000000000273, 7.97], [-2.5, 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