{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:09.920517", "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": "2010-Nov-02_to_2010-Nov-06_34.0_-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": 2010110001401}, "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": "November 02 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 06 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 200664.96063327385}, "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": ["Mozambique", "South Africa"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "S.Indian-Ocean"]}, "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": ["Indian Ocean", "Mozambique Channel"]}, "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": 34.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "34.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 29.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -31.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.97, -30.47], [30.32, -30.32], [30.35, -30.25], [30.25, -30.0], [30.35, -29.75], [30.32, -29.68], [30.25, -29.65], [30.0, -29.75], [29.47, -29.53], [29.25, -29.0], [29.47, -28.47], [29.88, -28.3], [29.75, -28.0], [29.97, -27.47], [30.32, -27.32], [30.47, -26.97], [31.0, -26.75], [31.25, -26.85], [31.5, -26.75], [32.03, -26.97], [32.18, -27.32], [32.53, -27.47], [32.75, -28.0], [32.65, -28.25], [32.7, -28.37], [32.82, -28.32], [32.97, -27.97], [33.5, -27.75], [33.75, -27.85], [34.0, -27.75], [34.53, -27.97], [34.75, -28.5], [34.53, -29.03], [34.18, -29.18], [34.15, -29.25], [34.25, -29.5], [34.03, -30.03], [33.68, -30.18], [33.65, -30.25], [33.75, -30.5], [33.53, -31.03], [33.18, -31.18], [33.15, -31.25], [33.25, -31.5], [33.03, -32.03], [32.5, -32.25], [32.25, -32.15], [32.0, -32.25], [31.47, -32.03], [31.32, -31.68], [31.25, -31.65], [31.18, -31.68], [31.03, -32.03], [30.5, -32.25], [29.97, -32.03], [29.75, -31.5], [29.85, -31.25], [29.75, -31.0], [29.97, -30.47]]]]}, "2010-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.32, -30.32], [30.35, -30.25], [30.25, -30.0], [30.35, -29.75], [30.32, -29.68], [30.25, -29.65], [30.0, -29.75], [29.47, -29.53], [29.25, -29.0], [29.47, -28.47], [29.88, -28.3], [29.75, -28.0], [29.97, -27.47], [30.32, -27.32], [30.47, -26.97], [31.0, -26.75], [31.25, -26.85], [31.5, -26.75], [32.03, -26.97], [32.18, -27.32], [32.53, -27.47], [32.75, -28.0], [32.85, -27.75], [32.75, -27.5], [32.97, -26.97], [33.5, -26.75], [33.75, -26.85], [34.0, -26.75], [34.53, -26.97], [34.75, -27.5], [34.65, -27.75], [34.68, -27.82], [35.03, -27.97], [35.25, -28.5], [35.15, -28.75], [35.25, -29.0], [35.03, -29.53], [34.68, -29.68], [34.65, -29.75], [34.75, -30.0], [34.53, -30.53], [34.0, -30.75], [33.75, -30.65], [33.68, -30.68], [33.53, -31.03], [33.18, -31.18], [33.15, -31.25], [33.25, -31.5], [33.03, -32.03], [32.5, -32.25], [32.25, -32.15], [32.0, -32.25], [31.47, -32.03], [31.32, -31.68], [31.25, -31.65], [31.18, -31.68], [31.03, -32.03], [30.5, -32.25], [29.97, -32.03], [29.75, -31.5], [29.85, -31.25], [29.75, -31.0], [29.97, -30.47], [30.32, -30.32]], [[32.65, -28.25], [32.7, -28.37], [32.82, -28.32], [32.85, -28.25], [32.75, -28.0], [32.65, -28.25]]], [[[34.53, -24.47], [34.75, -25.0], [34.53, -25.53], [34.18, -25.68], [34.03, -26.03], [33.5, -26.25], [32.97, -26.03], [32.75, -25.5], [32.97, -24.97], [33.32, -24.82], [33.47, -24.47], [34.0, -24.25], [34.53, -24.47]]]]}, "2010-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.97, -30.47], [30.32, -30.32], [30.35, -30.25], [30.25, -30.0], [30.35, -29.75], [30.32, -29.68], [30.25, -29.65], [30.0, -29.75], [29.47, -29.53], [29.25, -29.0], [29.47, -28.47], [29.88, -28.3], [29.75, -28.0], [29.97, -27.47], [30.32, -27.32], [30.47, -26.97], [31.0, -26.75], [31.25, -26.85], [31.5, -26.75], [32.03, -26.97], [32.18, -27.32], [32.53, -27.47], [32.75, -28.0], [32.85, -27.75], [32.75, -27.5], [32.96, -27.0], [32.75, -26.5], [32.85, -26.25], [32.75, -26.0], [32.85, -25.75], [32.75, -25.5], [32.97, -24.97], [33.32, -24.82], [33.47, -24.47], [34.0, -24.25], [34.25, -24.35], [34.5, -24.25], [35.03, -24.47], [35.25, -25.0], [35.15, -25.25], [35.18, -25.32], [35.53, -25.47], [35.75, -26.0], [35.53, -26.53], [35.18, -26.68], [35.15, -26.75], [35.18, -26.82], [35.53, -26.97], [35.75, -27.5], [35.65, -27.75], [35.75, -28.0], [35.65, -28.25], [35.68, -28.32], [36.03, -28.47], [36.25, -29.0], [36.03, -29.53], [35.5, -29.75], [35.25, -29.65], [35.18, -29.68], [35.03, -30.03], [34.68, -30.18], [34.53, -30.53], [34.0, -30.75], [33.75, -30.65], [33.68, -30.68], [33.53, -31.03], [33.18, -31.18], [33.15, -31.25], [33.25, -31.5], [33.03, -32.03], [32.5, -32.25], [32.25, -32.15], [32.0, -32.25], [31.47, -32.03], [31.32, -31.68], [31.25, -31.65], [31.18, -31.68], [31.03, -32.03], [30.5, -32.25], [29.97, -32.03], [29.75, -31.5], [29.85, -31.25], [29.75, -31.0], [29.97, -30.47]], [[32.65, -28.25], [32.7, -28.37], [32.82, -28.32], [32.85, -28.25], [32.75, -28.0], [32.65, -28.25]]]]}, "2010-11-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, -28.47], [32.82, -28.32], [32.85, -28.25], [32.75, -28.0], [32.85, -27.75], [32.75, -27.5], [32.96, -27.0], [32.75, -26.5], [32.85, -26.25], [32.75, -26.0], [32.85, -25.75], [32.75, -25.5], [32.97, -24.97], [33.32, -24.82], [33.47, -24.47], [34.0, -24.25], [34.25, -24.35], [34.5, -24.25], [35.03, -24.47], [35.25, -25.0], [35.15, -25.25], [35.18, -25.32], [35.53, -25.47], [35.75, -26.0], [35.53, -26.53], [35.18, -26.68], [35.15, -26.75], [35.18, -26.82], [35.53, -26.97], [35.75, -27.5], [35.65, -27.75], [35.75, -28.0], [35.65, -28.25], [35.68, -28.32], [36.03, -28.47], [36.25, -29.0], [36.03, -29.53], [35.5, -29.75], [35.25, -29.65], [35.18, -29.68], [35.03, -30.03], [34.68, -30.18], [34.53, -30.53], [34.0, -30.75], [33.75, -30.65], [33.5, -30.75], [32.97, -30.53], [32.82, -30.18], [32.47, -30.03], [32.25, -29.5], [32.35, -29.25], [32.25, -29.0], [32.47, -28.47]]]]}, "2010-11-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.85, -25.75], [32.75, -25.5], [32.97, -24.97], [33.32, -24.82], [33.47, -24.47], [34.0, -24.25], [34.25, -24.35], [34.5, -24.25], [35.03, -24.47], [35.25, -25.0], [35.15, -25.25], [35.18, -25.32], [35.53, -25.47], [35.75, -26.0], [35.53, -26.53], [35.18, -26.68], [35.15, -26.75], [35.18, -26.82], [35.53, -26.97], [35.75, -27.5], [35.65, -27.75], [35.75, -28.0], [35.65, -28.25], [35.68, -28.32], [36.03, -28.47], [36.25, -29.0], [36.03, -29.53], [35.5, -29.75], [35.25, -29.65], [35.18, -29.68], [35.03, -30.03], [34.5, -30.25], [33.97, -30.03], [33.82, -29.68], [33.47, -29.53], [33.25, -29.0], [33.35, -28.75], [33.25, -28.5], [33.35, -28.25], [33.25, -28.0], [33.35, -27.75], [33.25, -27.5], [33.35, -27.25], [33.32, -27.18], [32.97, -27.03], [32.75, -26.5], [32.85, -26.25], [32.75, -26.0], [32.85, -25.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.429093343287775}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.836868120417533}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.173010513014503, 25.013628246339408, 24.405028164791418, 24.655052268651843, 24.91574693161124]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.309924101695515, 30.099498703804045, 27.99304703473655, 26.880386158739498, 27.82614131408627]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.1480446968027653, 3.7558325278305453, 2.7018260602384907, 2.053883167019677, 2.017334065913425]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.291357786224808, 8.429093343287775, 5.773083830261669, 2.7367918953146955, 3.541692670863938]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6114414468360496, 1.982212191952664, 1.6398185304315611, 1.6363647714956475, 1.5783549642890249]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.4853117129558635, 2.6751590887278818, 2.3769773956608926, 2.043057574209735, 1.930783288807267]}}