{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:01.443127", "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": "2014-Jul-29_to_2014-Aug-04_19.5_-28.5"}, "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": 2014070003399}, "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 29 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 04 2014"}, "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": 586252.6623320708}, "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": ["Botswana", "Namibia", "South Africa"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "W.Southern-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": -28.5}, "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": 19.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "19.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 16.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -33.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -22.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.97, -33.53], [18.75, -33.0], [18.97, -32.47], [19.5, -32.25], [20.03, -32.47], [20.25, -33.0], [20.03, -33.53], [19.5, -33.75], [18.97, -33.53]]], [[[16.25, -28.5], [16.47, -27.97], [17.0, -27.75], [17.53, -27.97], [17.75, -28.5], [17.53, -29.03], [17.0, -29.25], [16.47, -29.03], [16.25, -28.5]]], [[[15.75, -27.0], [15.97, -26.47], [16.5, -26.25], [17.03, -26.47], [17.25, -27.0], [17.03, -27.53], [16.5, -27.75], [15.97, -27.53], [15.75, -27.0]]]]}, "2014-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.25, -33.0], [18.47, -32.47], [19.0, -32.25], [19.25, -32.35], [19.32, -32.32], [19.35, -32.25], [19.25, -32.0], [19.35, -31.75], [19.25, -31.5], [19.35, -31.25], [19.25, -31.0], [19.35, -30.75], [19.25, -30.5], [19.47, -29.97], [20.0, -29.75], [20.53, -29.97], [20.75, -30.5], [20.65, -30.75], [20.68, -30.82], [21.03, -30.97], [21.25, -31.5], [21.03, -32.03], [20.68, -32.18], [20.65, -32.25], [20.75, -32.5], [20.53, -33.03], [20.18, -33.18], [20.03, -33.53], [19.5, -33.75], [19.25, -33.65], [19.0, -33.75], [18.47, -33.53], [18.25, -33.0]]], [[[16.32, -26.32], [16.35, -26.25], [16.25, -26.0], [16.47, -25.47], [17.0, -25.25], [17.53, -25.47], [17.75, -26.0], [17.65, -26.25], [17.68, -26.32], [18.03, -26.47], [18.25, -27.0], [18.15, -27.25], [18.18, -27.32], [18.53, -27.47], [18.68, -27.82], [19.0, -27.96], [19.5, -27.75], [20.03, -27.97], [20.25, -28.5], [20.03, -29.03], [19.5, -29.25], [19.07, -29.07], [19.25, -29.5], [19.03, -30.03], [18.5, -30.25], [17.97, -30.03], [17.75, -29.5], [17.96, -29.0], [17.82, -28.68], [17.75, -28.65], [17.68, -28.68], [17.53, -29.03], [17.0, -29.25], [16.47, -29.03], [16.25, -28.5], [16.46, -28.0], [16.32, -27.68], [15.97, -27.53], [15.75, -27.0], [15.97, -26.47], [16.32, -26.32]]], [[[15.75, -24.0], [15.97, -23.47], [16.5, -23.25], [17.03, -23.47], [17.25, -24.0], [17.03, -24.53], [16.5, -24.75], [15.97, -24.53], [15.75, -24.0]]]]}, "2014-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.97, -23.47], [16.5, -23.25], [17.03, -23.47], [17.18, -23.82], [17.53, -23.97], [17.75, -24.5], [17.65, -24.75], [17.68, -24.82], [17.75, -24.85], [18.0, -24.75], [18.25, -24.85], [18.5, -24.75], [19.03, -24.97], [19.18, -25.32], [19.53, -25.47], [19.75, -26.0], [19.53, -26.53], [19.18, -26.68], [19.15, -26.75], [19.18, -26.82], [19.25, -26.85], [19.5, -26.75], [20.03, -26.97], [20.18, -27.32], [20.53, -27.47], [20.75, -28.0], [20.65, -28.25], [20.75, -28.5], [20.65, -28.75], [20.68, -28.82], [21.03, -28.97], [21.18, -29.32], [21.53, -29.47], [21.75, -30.0], [21.65, -30.25], [21.68, -30.32], [22.03, -30.47], [22.18, -30.82], [22.25, -30.85], [22.32, -30.82], [22.47, -30.47], [23.0, -30.25], [23.53, -30.47], [23.75, -31.0], [23.65, -31.25], [23.68, -31.32], [24.03, -31.47], [24.25, -32.0], [24.03, -32.53], [23.5, -32.75], [23.25, -32.65], [23.0, -32.75], [22.75, -32.65], [22.5, -32.75], [22.25, -32.65], [22.0, -32.75], [21.5, -32.54], [21.0, -32.75], [20.75, -32.65], [20.68, -32.68], [20.53, -33.03], [20.18, -33.18], [20.03, -33.53], [19.5, -33.75], [19.25, -33.65], [19.0, -33.75], [18.47, -33.53], [18.25, -33.0], [18.47, -32.47], [19.0, -32.25], [19.25, -32.35], [19.32, -32.32], [19.35, -32.25], [19.25, -32.0], [19.35, -31.75], [19.25, -31.5], [19.35, -31.25], [19.25, -31.0], [19.35, -30.75], [19.25, -30.5], [19.35, -30.25], [19.32, -30.18], [19.25, -30.15], [19.0, -30.25], [18.75, -30.15], [18.5, -30.25], [17.97, -30.03], [17.75, -29.5], [17.96, -29.0], [17.82, -28.68], [17.75, -28.65], [17.68, -28.68], [17.53, -29.03], [17.0, -29.25], [16.47, -29.03], [16.25, -28.5], [16.46, -28.0], [16.32, -27.68], [15.97, -27.53], [15.75, -27.0], [15.97, -26.47], [16.32, -26.32], [16.35, -26.25], [16.25, -26.0], [16.35, -25.75], [16.32, -25.68], [15.97, -25.53], [15.75, -25.0], [15.96, -24.5], [15.75, -24.0], [15.97, -23.47]]]]}, "2014-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.85, -24.25], [15.75, -24.0], [15.85, -23.75], [15.75, -23.5], [15.85, -23.25], [15.75, -23.0], [15.97, -22.47], [16.5, -22.25], [16.75, -22.35], [17.0, -22.25], [17.53, -22.47], [17.68, -22.82], [17.75, -22.85], [18.0, -22.75], [18.53, -22.97], [18.68, -23.32], [19.03, -23.47], [19.18, -23.82], [19.53, -23.97], [19.68, -24.32], [20.03, -24.47], [20.18, -24.82], [20.53, -24.97], [20.75, -25.5], [20.65, -25.75], [20.75, -26.0], [20.65, -26.25], [20.68, -26.32], [21.03, -26.47], [21.18, -26.82], [21.53, -26.97], [21.68, -27.32], [22.03, -27.47], [22.18, -27.82], [22.53, -27.97], [22.68, -28.32], [23.03, -28.47], [23.18, -28.82], [23.53, -28.97], [23.68, -29.32], [24.03, -29.47], [24.25, -30.0], [24.15, -30.25], [24.18, -30.32], [24.53, -30.47], [24.68, -30.82], [24.75, -30.85], [25.0, -30.75], [25.25, -30.85], [25.5, -30.75], [25.75, -30.85], [26.0, -30.75], [26.53, -30.97], [26.75, -31.5], [26.53, -32.03], [26.18, -32.18], [26.03, -32.53], [25.5, -32.75], [25.25, -32.65], [25.0, -32.75], [24.5, -32.54], [24.0, -32.75], [23.75, -32.65], [23.5, -32.75], [23.25, -32.65], [23.0, -32.75], [22.75, -32.65], [22.5, -32.75], [22.25, -32.65], [22.0, -32.75], [21.5, -32.54], [21.0, -32.75], [20.75, -32.65], [20.68, -32.68], [20.53, -33.03], [20.0, -33.25], [19.7, -33.12], [19.53, -33.53], [19.0, -33.75], [18.47, -33.53], [18.25, -33.0], [18.47, -32.47], [19.0, -32.25], [19.3, -32.37], [19.35, -32.25], [19.25, -32.0], [19.35, -31.75], [19.25, -31.5], [19.35, -31.25], [19.25, -31.0], [19.35, -30.75], [19.25, -30.5], [19.35, -30.25], [19.32, -30.18], [19.25, -30.15], [19.0, -30.25], [18.75, -30.15], [18.5, -30.25], [17.97, -30.03], [17.75, -29.5], [17.96, -29.0], [17.82, -28.68], [17.75, -28.65], [17.5, -28.75], [16.97, -28.53], [16.82, -28.18], [16.47, -28.03], [16.25, -27.5], [16.35, -27.25], [16.25, -27.0], [16.35, -26.75], [16.25, -26.5], [16.35, -26.25], [16.25, -26.0], [16.35, -25.75], [16.32, -25.68], [15.97, -25.53], [15.75, -25.0], [15.85, -24.75], [15.75, -24.5], [15.85, -24.25]]]]}, "2014-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.85, -24.25], [15.75, -24.0], [15.85, -23.75], [15.75, -23.5], [15.85, -23.25], [15.75, -23.0], [15.97, -22.47], [16.5, -22.25], [16.75, -22.35], [17.0, -22.25], [17.53, -22.47], [17.68, -22.82], [17.75, -22.85], [18.0, -22.75], [18.25, -22.85], [18.5, -22.75], [19.03, -22.97], [19.18, -23.32], [19.53, -23.47], [19.68, -23.82], [20.03, -23.97], [20.18, -24.32], [20.25, -24.35], [20.5, -24.25], [21.03, -24.47], [21.18, -24.82], [21.53, -24.97], [21.68, -25.32], [22.03, -25.47], [22.25, -26.0], [22.15, -26.25], [22.18, -26.32], [22.25, -26.35], [22.5, -26.25], [23.03, -26.47], [23.25, -27.0], [23.15, -27.25], [23.18, -27.32], [23.25, -27.35], [23.5, -27.25], [24.03, -27.47], [24.18, -27.82], [24.25, -27.85], [24.5, -27.75], [24.75, -27.85], [25.0, -27.75], [25.53, -27.97], [25.75, -28.5], [25.65, -28.75], [25.68, -28.82], [26.03, -28.97], [26.25, -29.5], [26.15, -29.75], [26.18, -29.82], [26.25, -29.85], [26.5, -29.75], [27.03, -29.97], [27.2, -30.37], [27.5, -30.25], [27.75, -30.35], [27.82, -30.32], [27.97, -29.97], [28.5, -29.75], [28.75, -29.85], [28.82, -29.82], [28.97, -29.47], [29.5, -29.25], [30.03, -29.47], [30.25, -30.0], [30.15, -30.25], [30.25, -30.5], [30.03, -31.03], [29.68, -31.18], [29.53, -31.53], [29.18, -31.68], [29.03, -32.03], [28.68, -32.18], [28.53, -32.53], [28.18, -32.68], [28.03, -33.03], [27.5, -33.25], [27.25, -33.15], [27.0, -33.25], [26.5, -33.04], [26.0, -33.25], [25.47, -33.03], [25.32, -32.68], [25.25, -32.65], [25.0, -32.75], [24.5, -32.54], [24.0, -32.75], [23.75, -32.65], [23.5, -32.75], [23.25, -32.65], [23.0, -32.75], [22.75, -32.65], [22.5, -32.75], [22.25, -32.65], [22.0, -32.75], [21.5, -32.54], [21.0, -32.75], [20.75, -32.65], [20.5, -32.75], [19.97, -32.53], [19.82, -32.18], [19.47, -32.03], [19.25, -31.5], [19.35, -31.25], [19.25, -31.0], [19.35, -30.75], [19.25, -30.5], [19.35, -30.25], [19.32, -30.18], [19.25, -30.15], [19.0, -30.25], [18.75, -30.15], [18.5, -30.25], [17.97, -30.03], [17.75, -29.5], [17.96, -29.0], [17.75, -28.5], [17.85, -28.25], [17.82, -28.18], [17.75, -28.15], [17.5, -28.25], [17.25, -28.15], [17.0, -28.25], [16.47, -28.03], [16.25, -27.5], [16.35, -27.25], [16.25, -27.0], [16.35, -26.75], [16.25, -26.5], [16.35, -26.25], [16.25, -26.0], [16.35, -25.75], [16.32, -25.68], [15.97, -25.53], [15.75, -25.0], [15.85, -24.75], [15.75, -24.5], [15.85, -24.25]]]]}, "2014-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.85, -24.25], [15.75, -24.0], [15.85, -23.75], [15.75, -23.5], [15.85, -23.25], [15.75, -23.0], [15.97, -22.47], [16.5, -22.25], [16.75, -22.35], [17.0, -22.25], [17.53, -22.47], [17.68, -22.82], [17.75, -22.85], [18.0, -22.75], [18.25, -22.85], [18.5, -22.75], [19.03, -22.97], [19.18, -23.32], [19.53, -23.47], [19.68, -23.82], [20.03, -23.97], [20.18, -24.32], [20.25, -24.35], [20.5, -24.25], [21.03, -24.47], [21.18, -24.82], [21.53, -24.97], [21.68, -25.32], [22.03, -25.47], [22.25, -26.0], [22.15, -26.25], [22.18, -26.32], [22.25, -26.35], [22.5, -26.25], [23.03, -26.47], [23.25, -27.0], [23.15, -27.25], [23.18, -27.32], [23.25, -27.35], [23.5, -27.25], [24.03, -27.47], [24.18, -27.82], [24.25, -27.85], [24.5, -27.75], [24.75, -27.85], [25.0, -27.75], [25.53, -27.97], [25.75, -28.5], [25.65, -28.75], [25.68, -28.82], [26.03, -28.97], [26.25, -29.5], [26.15, -29.75], [26.18, -29.82], [26.25, -29.85], [26.5, -29.75], [27.03, -29.97], [27.2, -30.37], [27.5, -30.25], [27.75, -30.35], [27.82, -30.32], [27.97, -29.97], [28.5, -29.75], [28.75, -29.85], [28.82, -29.82], [28.97, -29.47], [29.5, -29.25], [30.03, -29.47], [30.25, -30.0], [30.15, -30.25], [30.25, -30.5], [30.03, -31.03], [29.68, -31.18], [29.53, -31.53], [29.18, -31.68], [29.03, -32.03], [28.68, -32.18], [28.53, -32.53], [28.18, -32.68], [28.03, -33.03], [27.5, -33.25], [27.25, -33.15], [27.0, -33.25], [26.5, -33.04], [26.0, -33.25], [25.47, -33.03], [25.32, -32.68], [25.25, -32.65], [25.0, -32.75], [24.5, -32.54], [24.0, -32.75], [23.75, -32.65], [23.5, -32.75], [23.25, -32.65], [23.0, -32.75], [22.75, -32.65], [22.5, -32.75], [22.25, -32.65], [22.0, -32.75], [21.47, -32.53], [21.32, -32.18], [20.97, -32.03], [20.75, -31.5], [20.85, -31.25], [20.82, -31.18], [20.47, -31.03], [20.25, -30.5], [20.35, -30.25], [20.32, -30.18], [19.97, -30.03], [19.82, -29.68], [19.47, -29.53], [19.32, -29.18], [18.97, -29.03], [18.75, -28.5], [18.85, -28.25], [18.82, -28.18], [18.75, -28.15], [18.5, -28.25], [17.97, -28.03], [17.82, -27.68], [17.75, -27.65], [17.5, -27.75], [17.25, -27.65], [17.0, -27.75], [16.47, -27.53], [16.25, -27.0], [16.35, -26.75], [16.25, -26.5], [16.35, -26.25], [16.25, -26.0], [16.35, -25.75], [16.32, -25.68], [15.97, -25.53], [15.75, -25.0], [15.85, -24.75], [15.75, -24.5], [15.85, -24.25]]]]}, "2014-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.97, -22.97], [18.5, -22.75], [19.03, -22.97], [19.18, -23.32], [19.53, -23.47], [19.68, -23.82], [20.03, -23.97], [20.18, -24.32], [20.25, -24.35], [20.5, -24.25], [21.03, -24.47], [21.18, -24.82], [21.53, -24.97], [21.68, -25.32], [22.03, -25.47], [22.25, -26.0], [22.15, -26.25], [22.18, -26.32], [22.25, -26.35], [22.5, -26.25], [23.03, -26.47], [23.25, -27.0], [23.15, -27.25], [23.18, -27.32], [23.25, -27.35], [23.5, -27.25], [24.03, -27.47], [24.18, -27.82], [24.25, -27.85], [24.5, -27.75], [24.75, -27.85], [25.0, -27.75], [25.53, -27.97], [25.75, -28.5], [25.65, -28.75], [25.68, -28.82], [26.03, -28.97], [26.25, -29.5], [26.15, -29.75], [26.18, -29.82], [26.25, -29.85], [26.5, -29.75], [27.03, -29.97], [27.2, -30.37], [27.5, -30.25], [27.75, -30.35], [27.82, -30.32], [27.97, -29.97], [28.5, -29.75], [28.75, -29.85], [28.82, -29.82], [28.97, -29.47], [29.5, -29.25], [30.03, -29.47], [30.25, -30.0], [30.15, -30.25], [30.25, -30.5], [30.03, -31.03], [29.68, -31.18], [29.53, -31.53], [29.18, -31.68], [29.03, -32.03], [28.68, -32.18], [28.53, -32.53], [28.18, -32.68], [28.03, -33.03], [27.5, -33.25], [27.25, -33.15], [27.0, -33.25], [26.5, -33.04], [26.0, -33.25], [25.47, -33.03], [25.25, -32.5], [25.35, -32.25], [25.32, -32.18], [24.97, -32.03], [24.75, -31.5], [24.88, -31.2], [24.47, -31.03], [24.3, -30.62], [24.18, -30.68], [24.03, -31.03], [23.5, -31.25], [22.97, -31.03], [22.82, -30.68], [22.47, -30.53], [22.32, -30.18], [21.97, -30.03], [21.82, -29.68], [21.47, -29.53], [21.32, -29.18], [20.97, -29.03], [20.75, -28.5], [20.85, -28.25], [20.82, -28.18], [20.47, -28.03], [20.32, -27.68], [20.25, -27.65], [20.0, -27.75], [19.47, -27.53], [19.32, -27.18], [18.97, -27.03], [18.82, -26.68], [18.47, -26.53], [18.25, -26.0], [18.35, -25.75], [18.25, -25.5], [18.35, -25.25], [18.25, -25.0], [18.35, -24.75], [18.32, -24.68], [17.97, -24.53], [17.75, -24.0], [17.85, -23.75], [17.75, -23.5], [17.97, -22.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.24555301380883}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.441842106717474}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.71500950256842, 17.73410464749969, 17.451115645970447, 17.58444546027556, 18.114738061156118, 17.925302135786467, 17.066946437076524]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.335146664074898, 21.978965450134012, 21.195223057265764, 20.561598959646233, 22.91752170008607, 21.161885453199886, 20.306798796203964]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.116793181183804, 5.361408235184415, 5.005327156056538, 5.002612265389964, 5.944265515306507, 5.606064022437701, 5.049061756374338]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.398081755310329, 7.885041095342217, 6.465718535199358, 6.225546364765933, 9.24555301380883, 8.176745856137359, 6.744033948573076]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4818128844831515, 1.5605448245259035, 1.4367405586155826, 1.4764746613588797, 1.787046778868413, 1.6736978747071072, 1.4858363966170174]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6306498257917834, 2.2349001511846374, 2.488755349682194, 1.8113112808362446, 2.585947338165144, 2.382483402437871, 2.0108171183809858]}}