{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:04.707519", "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-May-11_to_2017-May-15_11.0_1.0"}, "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": 2017050001712}, "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 11 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 15 2017"}, "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": 101987.56364175108}, "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": ["Equatorial Guinea", "Gabon"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": ["South Atlantic Ocean"]}, "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": 1.0}, "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": 11.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "11.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 9.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 12.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 2.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.97, 0.03], [9.32, 0.18], [9.35, 0.25], [9.25, 0.5], [9.47, 1.03], 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-3.03], [10.82, -2.68], [10.47, -2.53], [10.25, -2.0], [10.38, -1.7], [10.2, -1.63], [10.03, -2.03], [9.5, -2.25], [8.97, -2.03], [8.75, -1.5], [8.85, -1.25], [8.75, -1.0], [8.85, -0.75]]]]}, "2017-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.85, -0.75], [8.75, -0.5], [8.85, -0.25], [8.75, 0.0], [8.97, 0.53], [9.32, 0.68], [9.35, 0.75], [9.25, 1.0], [9.35, 1.25], [9.25, 1.5], [9.47, 2.03], [9.82, 2.18], [9.97, 2.53], [10.5, 2.75], [11.03, 2.53], [11.2, 2.13], [11.5, 2.25], [11.75, 2.15], [12.0, 2.25], [12.53, 2.03], [12.75, 1.5], [12.54, 1.0], [12.75, 0.5], [12.65, 0.25], [12.75, 0.0], [12.54, -0.5], [12.75, -1.0], [12.53, -1.53], [12.18, -1.68], [12.04, -2.0], [12.25, -2.5], [12.03, -3.03], [11.5, -3.25], [10.97, -3.03], [10.82, -2.68], [10.47, -2.53], [10.25, -2.0], [10.38, -1.7], [10.2, -1.63], [10.03, -2.03], [9.5, -2.25], [8.97, -2.03], [8.75, -1.5], [8.85, -1.25], [8.75, -1.0], [8.85, -0.75]]]]}, "2017-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.85, -0.75], [8.75, -0.5], [8.85, -0.25], [8.75, 0.0], [8.97, 0.53], [9.32, 0.68], [9.35, 0.75], [9.25, 1.0], [9.35, 1.25], [9.25, 1.5], [9.47, 2.03], [9.82, 2.18], [9.97, 2.53], [10.5, 2.75], [11.03, 2.53], [11.25, 2.0], [11.15, 1.75], [11.18, 1.68], [11.53, 1.53], [11.7, 1.13], [12.0, 1.25], [12.53, 1.03], [12.75, 0.5], [12.53, -0.03], [12.18, -0.18], [12.15, -0.25], [12.18, -0.32], [12.53, -0.47], [12.75, -1.0], [12.53, -1.53], [12.18, -1.68], [12.04, -2.0], [12.25, -2.5], [12.03, -3.03], [11.5, -3.25], [10.97, -3.03], [10.82, -2.68], [10.47, -2.53], [10.25, -2.0], [10.38, -1.7], [10.2, -1.63], [10.03, -2.03], [9.5, -2.25], [8.97, -2.03], [8.75, -1.5], [8.85, -1.25], [8.75, -1.0], [8.85, -0.75]]]]}, "2017-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.0, 1.75], [10.53, 1.53], [10.75, 1.0], [10.53, 0.47], [10.0, 0.25], [9.47, 0.47], [9.25, 1.0], [9.47, 1.53], [10.0, 1.75]]]]}}}, "max_amp": {"name": "Maximum anomaly 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