{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:29.151388", "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": "2016-Oct-09_to_2016-Oct-14_8.0_13.0"}, "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": 2016100001702}, "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 09 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 14 2016"}, "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": 72025.7456935926}, "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": ["Niger", "Nigeria"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara", "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": []}, "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": 13.0}, "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": 8.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "8.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 7.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 10.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.0, 11.75], [9.53, 11.53], [9.75, 11.0], [9.53, 10.47], [9.0, 10.25], [8.47, 10.47], [8.25, 11.0], [8.47, 11.53], [9.0, 11.75]]]]}, "2016-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.5, 12.25], [9.03, 12.03], [9.18, 11.68], [9.53, 11.53], [9.75, 11.0], [9.53, 10.47], [9.0, 10.25], [8.5, 10.46], [8.0, 10.25], [7.47, 10.47], [7.25, 11.0], [7.47, 11.53], [7.82, 11.68], [7.97, 12.03], [8.5, 12.25]]]]}, "2016-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[6.85, 14.25], [6.75, 14.5], [6.85, 14.75], [6.75, 15.0], [6.97, 15.53], [7.32, 15.68], [7.47, 16.03], [8.0, 16.25], [8.25, 16.15], [8.5, 16.25], [8.75, 16.15], [9.0, 16.25], [9.53, 16.03], [9.75, 15.5], [9.65, 15.25], [9.68, 15.18], [9.75, 15.15], [10.0, 15.25], [10.53, 15.03], [10.75, 14.5], [10.53, 13.97], [10.0, 13.75], [9.75, 13.85], [9.5, 13.75], [9.25, 13.85], [9.0, 13.75], [8.75, 13.85], [8.63, 13.8], [8.68, 13.68], [9.03, 13.53], [9.25, 13.0], [9.04, 12.5], [9.25, 12.0], [9.15, 11.75], [9.18, 11.68], [9.53, 11.53], [9.75, 11.0], [9.53, 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1.7408617944956921]}}