{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:03.305423", "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": "2011-Jul-22_to_2011-Jul-28_21.0_13.5"}, "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": 2011070002940}, "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": "July 22 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 28 2011"}, "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": 93159.77701827933}, "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": ["Chad", "Sudan"]}, "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": []}, "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": 13.5}, "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": 21.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "21.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 18.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 22.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.0, 14.25], [21.53, 14.03], [21.75, 13.5], [21.53, 12.97], [21.0, 12.75], [20.47, 12.97], [20.25, 13.5], [20.47, 14.03], [21.0, 14.25]]]]}, "2011-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.75, 14.5], [19.97, 15.03], [20.5, 15.25], [20.75, 15.15], [21.0, 15.25], [21.25, 15.15], [21.5, 15.25], [21.75, 15.15], [22.0, 15.25], [22.53, 15.03], [22.75, 14.5], [22.53, 13.97], [22.18, 13.82], [22.15, 13.75], [22.25, 13.5], [22.03, 12.97], [21.5, 12.75], [21.25, 12.85], [21.0, 12.75], [20.47, 12.97], [20.25, 13.5], [20.35, 13.75], [20.32, 13.82], [19.97, 13.97], [19.75, 14.5]]]]}, "2011-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.47, 15.03], [19.0, 15.25], [19.25, 15.15], [19.5, 15.25], [19.75, 15.15], [20.0, 15.25], [20.25, 15.15], [20.5, 15.25], [20.75, 15.15], [21.0, 15.25], [21.25, 15.15], [21.5, 15.25], [21.75, 15.15], [22.0, 15.25], [22.53, 15.03], [22.75, 14.5], [22.53, 13.97], [22.18, 13.82], [22.15, 13.75], [22.25, 13.5], [22.03, 12.97], [21.5, 12.75], [21.25, 12.85], [21.0, 12.75], [20.5, 12.96], [20.0, 12.75], [19.47, 12.97], [19.32, 13.32], [19.25, 13.35], [19.0, 13.25], [18.47, 13.47], [18.25, 14.0], [18.35, 14.25], [18.25, 14.5], [18.47, 15.03]]]]}, "2011-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.35, 12.75], [18.25, 13.0], [18.35, 13.25], [18.25, 13.5], [18.35, 13.75], [18.25, 14.0], [18.35, 14.25], [18.25, 14.5], [18.47, 15.03], [19.0, 15.25], [19.25, 15.15], [19.5, 15.25], [19.75, 15.15], [20.0, 15.25], [20.25, 15.15], [20.5, 15.25], [20.75, 15.15], [21.0, 15.25], [21.25, 15.15], [21.5, 15.25], [21.75, 15.15], [22.0, 15.25], [22.53, 15.03], [22.75, 14.5], [22.53, 13.97], [22.18, 13.82], [22.15, 13.75], [22.25, 13.5], [22.15, 13.25], [22.25, 13.0], [22.03, 12.47], [21.5, 12.25], [21.25, 12.35], [21.18, 12.32], [21.15, 12.25], [21.25, 12.0], [21.03, 11.47], [20.5, 11.25], [20.25, 11.35], [20.0, 11.25], [19.5, 11.46], [19.0, 11.25], [18.47, 11.47], [18.25, 12.0], [18.35, 12.25], [18.25, 12.5], [18.35, 12.75]]]]}, 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