{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:12:35.809686", "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": "2018-Apr-29_to_2018-May-05_358.0_12.0"}, "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": 2018040002807}, "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": "April 29 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 05 2018"}, "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": 93745.8879160648}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 12.0}, "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": 358.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "358.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 353.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 358.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-04-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.53, 13.53], [-5.0, 13.75], [-4.5, 13.54], [-4.0, 13.75], 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[-4.5, 11.25], [-5.0, 11.46], [-5.5, 11.25], [-6.03, 11.47], [-6.25, 12.0], [-6.03, 12.53], [-5.68, 12.68], [-5.65, 12.75], [-5.75, 13.0]]]]}, "2018-05-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.03, 10.97], [-7.25, 11.5], [-7.03, 12.03], [-6.5, 12.25], [-6.25, 12.15], [-6.18, 12.18], [-6.03, 12.53], [-5.68, 12.68], [-5.65, 12.75], [-5.75, 13.0], [-5.53, 13.53], [-5.0, 13.75], [-4.5, 13.54], [-4.0, 13.75], [-3.75, 13.65], [-3.5, 13.75], [-3.25, 13.65], [-3.0, 13.75], [-2.47, 13.53], [-2.32, 13.18], [-2.25, 13.15], [-2.0, 13.25], [-1.47, 13.03], [-1.32, 12.68], [-0.97, 12.53], [-0.75, 12.0], [-0.97, 11.47], [-1.32, 11.32], [-1.47, 10.97], [-2.0, 10.75], [-2.25, 10.85], [-2.5, 10.75], [-2.75, 10.85], [-3.0, 10.75], [-3.25, 10.85], [-3.32, 10.82], [-3.47, 10.47], [-4.0, 10.25], [-4.25, 10.35], [-4.5, 10.25], [-4.75, 10.35], [-4.82, 10.32], [-4.97, 9.97], [-5.5, 9.75], [-6.03, 9.97], [-6.25, 10.5], [-6.12, 10.8], [-6.25, 10.85], [-6.5, 10.75], [-7.03, 10.97]]]]}, 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