{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:34.665844", "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-Mar-24_to_2017-Mar-30_1.0_14.5"}, "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": 2017030002247}, "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": "March 24 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 30 2017"}, "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": 74797.20043402695}, "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", "Mali", "Niger"]}, "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": 14.5}, "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": 361.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "1.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 357.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 362.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[0.25, 14.5], [0.47, 15.03], [1.0, 15.25], [1.25, 15.15], [1.5, 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13.35], [-0.5, 13.25], [-0.75, 13.35], [-1.0, 13.25], [-1.53, 13.47], [-1.68, 13.82], [-2.03, 13.97], [-2.18, 14.32], [-2.53, 14.47], [-2.68, 14.82], [-3.03, 14.97], [-3.25, 15.5]]]]}, "2017-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.25, 15.5], [-3.03, 16.03], [-2.5, 16.25], [-2.25, 16.15], [-2.0, 16.25], [-1.47, 16.03], [-1.32, 15.68], [-1.25, 15.65], [-1.0, 15.75], [-0.75, 15.65], [-0.5, 15.75], [0.03, 15.53], [0.18, 15.18], [0.25, 15.15], [0.32, 15.18], [0.47, 15.53], [1.0, 15.75], [1.53, 15.53], [1.68, 15.18], [1.75, 15.15], [1.82, 15.18], [1.97, 15.53], [2.5, 15.75], [3.03, 15.53], [3.25, 15.0], [3.15, 14.75], [3.25, 14.5], [3.03, 13.97], [2.68, 13.82], [2.65, 13.75], [2.75, 13.5], [2.65, 13.25], [2.75, 13.0], [2.53, 12.47], [2.0, 12.25], [1.47, 12.47], [1.25, 13.0], [1.35, 13.25], [1.32, 13.32], [1.25, 13.35], [1.0, 13.25], [0.5, 13.46], [0.0, 13.25], [-0.25, 13.35], [-0.5, 13.25], [-0.75, 13.35], [-1.0, 13.25], [-1.53, 13.47], [-1.68, 13.82], 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