{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:06.466330", "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-Jun-29_to_2010-Jul-06_22.5_-20.5"}, "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": 2010060002861}, "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": "June 29 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 06 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 55269.305808631114}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": -20.5}, "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": 22.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 21.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 25.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -20.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.47, -20.53], [23.25, -20.0], [23.47, -19.47], [24.0, -19.25], [24.25, -19.35], [24.5, -19.25], [25.03, -19.47], [25.25, -20.0], [25.03, -20.53], [24.5, -20.75], [24.25, -20.65], [24.0, -20.75], [23.47, -20.53]]]]}, "2010-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, -18.97], [23.5, -18.75], [23.75, -18.85], [24.0, -18.75], [24.53, -18.97], [24.68, -19.32], [24.75, -19.35], [25.0, -19.25], [25.53, -19.47], [25.75, -20.0], [25.53, -20.53], [25.0, -20.75], [24.75, -20.65], [24.5, -20.75], [24.25, -20.65], [24.0, -20.75], [23.75, -20.65], [23.5, -20.75], [22.97, -20.53], [22.75, -20.0], [22.85, -19.75], [22.75, -19.5], [22.97, -18.97]]]]}, "2010-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.75, -20.5], [20.97, -19.97], [21.5, -19.75], [21.75, -19.85], [22.0, -19.75], [22.53, -19.97], [22.75, -20.5], [22.53, -21.03], [22.0, -21.25], [21.75, -21.15], [21.5, -21.25], [20.97, -21.03], [20.75, -20.5]]], [[[23.5, -18.75], [23.75, -18.85], [24.0, -18.75], [24.53, -18.97], [24.68, -19.32], [24.75, -19.35], [25.0, -19.25], [25.53, -19.47], [25.75, -20.0], [25.53, -20.53], [25.0, -20.75], [24.75, -20.65], [24.5, -20.75], [24.25, -20.65], [24.0, -20.75], [23.75, -20.65], [23.5, -20.75], [22.97, -20.53], [22.75, -20.0], [22.85, -19.75], [22.75, -19.5], [22.97, -18.97], [23.5, -18.75]]]]}, "2010-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.85, -19.75], [20.75, -19.5], [20.85, -19.25], [20.75, -19.0], [20.97, -18.47], [21.5, -18.25], [21.75, -18.35], [22.0, -18.25], [22.25, -18.35], [22.5, -18.25], [23.03, -18.47], [23.18, -18.82], [23.25, -18.85], [23.5, -18.75], [23.75, -18.85], [24.0, -18.75], [24.53, -18.97], [24.68, -19.32], [24.75, -19.35], [25.0, -19.25], [25.53, -19.47], [25.75, -20.0], [25.53, -20.53], [25.0, -20.75], [24.75, -20.65], [24.5, -20.75], [24.25, -20.65], [24.0, -20.75], [23.75, -20.65], [23.5, -20.75], [23.2, -20.62], [23.03, -21.03], [22.5, -21.25], [22.25, -21.15], [22.0, -21.25], [21.75, -21.15], [21.5, -21.25], [20.97, -21.03], [20.75, -20.5], [20.85, -20.25], [20.75, -20.0], [20.85, -19.75]]]]}, "2010-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.85, -19.75], [20.75, -19.5], [20.85, -19.25], [20.75, -19.0], [20.97, -18.47], [21.5, -18.25], [21.75, -18.35], [22.0, -18.25], [22.25, -18.35], [22.5, -18.25], [23.03, -18.47], [23.18, -18.82], [23.53, -18.97], [23.75, -19.5], [23.53, -20.03], [23.18, -20.18], [23.15, -20.25], [23.25, -20.5], [23.03, -21.03], [22.5, -21.25], [22.25, -21.15], [22.0, -21.25], [21.75, -21.15], [21.5, -21.25], [20.97, -21.03], [20.75, -20.5], [20.85, -20.25], [20.75, -20.0], [20.85, -19.75]]]]}, "2010-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.85, -19.75], [20.75, -19.5], [20.85, -19.25], [20.75, -19.0], [20.97, -18.47], [21.5, -18.25], [21.75, -18.35], [22.0, -18.25], [22.25, -18.35], [22.5, -18.25], [23.03, -18.47], [23.18, -18.82], [23.53, -18.97], [23.75, -19.5], [23.53, -20.03], [23.18, -20.18], [23.15, -20.25], 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"description": "Mean t2m anomaly over entire duration", "value": 2.8304846823591947}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.21733703477355, 19.46741390547328, 19.05879002794586, 19.030545203447446, 19.320586085355956, 18.83919135603253, 18.933847550130736, 19.556640991445647]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.2577728291605, 19.74985868649094, 19.518008988178565, 19.52720306755873, 19.891254871271656, 19.372168958377927, 19.077199274044176, 19.59577909082543]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6706526426463313, 2.968484131294332, 2.7888629639769746, 2.7218893944253004, 3.0990709572062745, 2.64231917822288, 2.7109914798566024, 3.3712186770501376]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.6946724963967768, 3.2868331957062082, 2.956740646645585, 3.0652892034900674, 3.8991633672209787, 2.8703357792530255, 2.7306086300561105, 3.576892828444045]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2248823859240443, 1.3805343939466146, 1.312263482686585, 1.2617994239997585, 1.4384729554578708, 1.2546470764924373, 1.298095426894105, 1.6154363419098936]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2424074334750208, 1.532820284525693, 1.4180711498628957, 1.4040690566443184, 1.7566625399323554, 1.3539226498436998, 1.3166231943905982, 1.7291066677546318]}}