{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:26.827034", "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-Jun-13_to_2020-Jun-18_9.5_2.0"}, "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": 2020060001927}, "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": "June 13 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 18 2020"}, "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": 89521.00761271195}, "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": ["Cameroon", "Equatorial Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "Western-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": ["Gulf of Guinea"]}, "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": 2.0}, "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": 9.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "9.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 6.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 11.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.75, 2.0], [8.97, 2.53], [9.32, 2.68], [9.47, 3.03], [10.0, 3.25], 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[6.47, 2.97], [6.25, 3.5]]]]}, "2020-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[5.75, 4.0], [5.97, 4.53], [6.5, 4.75], [6.75, 4.65], [7.0, 4.75], [7.25, 4.65], [7.5, 4.75], [7.75, 4.65], [7.82, 4.68], [7.97, 5.03], [8.5, 5.25], [9.03, 5.03], [9.18, 4.68], [9.53, 4.53], [9.75, 4.0], [9.65, 3.75], [9.75, 3.5], [9.65, 3.25], [9.68, 3.18], [9.75, 3.15], [10.0, 3.25], [10.53, 3.03], [10.68, 2.68], [11.03, 2.53], [11.18, 2.18], [11.53, 2.03], [11.75, 1.5], [11.65, 1.25], [11.75, 1.0], [11.53, 0.47], [11.0, 0.25], [10.75, 0.35], [10.5, 0.25], [9.97, 0.47], [9.82, 0.82], [9.75, 0.85], [9.5, 0.75], [8.97, 0.97], [8.75, 1.5], [8.85, 1.75], [8.82, 1.82], [8.75, 1.85], [8.5, 1.75], [8.25, 1.85], [8.0, 1.75], [7.47, 1.97], [7.32, 2.32], [6.97, 2.47], [6.82, 2.82], [6.47, 2.97], [6.32, 3.32], [5.97, 3.47], [5.75, 4.0]]]]}, "2020-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[5.75, 4.0], [5.97, 4.53], [6.5, 4.75], [6.75, 4.65], [7.0, 4.75], [7.25, 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2.364659009541868, 2.6964699239460304, 2.455909229570433, 1.6351909075694215, 1.415258815756196]}}