{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:29.402596", "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": "2013-Sep-04_to_2013-Sep-07_23.5_-2.0"}, "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": 2013090001715}, "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": "September 04 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 07 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 148020.817072369}, "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": ["Congo DRC"]}, "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": -2.0}, "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": 23.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "23.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 22.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 27.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.5, -1.25], [24.03, -1.47], [24.25, -2.0], [24.03, -2.53], [23.5, -2.75], [22.97, -2.53], [22.75, -2.0], [22.97, -1.47], [23.5, -1.25]]]]}, "2013-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, -4.47], [22.82, -4.32], [22.97, -3.97], [23.32, -3.82], [23.35, -3.75], [23.25, -3.5], [23.35, -3.25], [23.32, -3.18], [22.97, -3.03], [22.82, -2.68], [22.47, -2.53], [22.25, -2.0], [22.47, -1.47], [22.82, -1.32], [22.97, -0.97], [23.5, -0.75], [23.75, -0.85], [24.0, -0.75], [24.53, -0.97], [24.68, -1.32], [25.03, -1.47], [25.25, -2.0], [25.15, -2.25], [25.18, -2.32], [25.25, -2.35], [25.5, -2.25], [25.75, -2.35], [26.0, -2.25], [26.25, -2.35], [26.5, -2.25], [26.75, -2.35], [27.0, -2.25], [27.53, -2.47], [27.75, -3.0], [27.65, -3.25], [27.75, -3.5], [27.65, -3.75], [27.75, -4.0], [27.65, -4.25], [27.75, -4.5], [27.53, -5.03], [27.18, -5.18], [27.15, -5.25], [27.25, -5.5], [27.03, -6.03], [26.5, -6.25], [25.97, -6.03], [25.82, -5.68], [25.75, -5.65], [25.5, -5.75], [25.25, -5.65], [25.18, -5.68], [25.03, -6.03], [24.5, -6.25], [24.25, -6.15], [24.0, -6.25], [23.5, -6.04], [23.0, -6.25], [22.47, -6.03], [22.25, -5.5], [22.35, -5.25], [22.25, -5.0], [22.47, -4.47]]]]}, "2013-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, -4.47], [22.82, -4.32], [22.97, -3.97], [23.32, -3.82], [23.35, -3.75], [23.25, -3.5], [23.35, -3.25], [23.32, -3.18], [22.97, -3.03], [22.82, -2.68], [22.47, -2.53], [22.25, -2.0], [22.47, -1.47], [22.82, -1.32], [22.97, -0.97], [23.5, -0.75], [23.75, -0.85], [24.0, -0.75], [24.53, -0.97], [24.68, -1.32], [25.03, -1.47], [25.25, -2.0], [25.15, -2.25], [25.18, -2.32], [25.25, -2.35], [25.5, -2.25], [25.75, -2.35], [26.0, -2.25], [26.25, -2.35], [26.5, -2.25], [26.75, -2.35], [27.0, -2.25], [27.53, -2.47], [27.75, -3.0], [27.65, -3.25], [27.75, -3.5], [27.65, -3.75], [27.75, -4.0], [27.65, -4.25], [27.75, -4.5], [27.53, -5.03], [27.18, -5.18], [27.15, -5.25], [27.25, -5.5], [27.03, -6.03], [26.5, -6.25], [25.97, -6.03], [25.82, -5.68], [25.75, -5.65], [25.5, -5.75], [25.25, -5.65], [25.18, -5.68], [25.03, -6.03], [24.5, -6.25], [24.25, -6.15], [24.0, -6.25], [23.5, -6.04], [23.0, -6.25], [22.47, -6.03], [22.25, -5.5], [22.35, -5.25], [22.25, -5.0], [22.47, -4.47]]]]}, "2013-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, -4.47], [22.82, -4.32], [22.97, -3.97], [23.32, -3.82], [23.35, -3.75], [23.25, -3.5], [23.35, -3.25], [23.32, -3.18], [22.97, -3.03], [22.82, -2.68], [22.47, -2.53], [22.25, -2.0], [22.47, -1.47], [22.82, -1.32], [22.97, -0.97], [23.5, -0.75], [23.75, -0.85], [24.0, -0.75], [24.53, -0.97], [24.68, -1.32], [25.03, -1.47], [25.25, -2.0], [25.15, -2.25], [25.18, -2.32], [25.25, -2.35], [25.5, -2.25], [25.75, -2.35], [26.0, -2.25], [26.25, -2.35], [26.5, -2.25], [26.75, -2.35], [27.0, -2.25], [27.53, -2.47], [27.75, -3.0], [27.65, -3.25], [27.75, -3.5], [27.65, -3.75], [27.75, -4.0], [27.65, -4.25], [27.75, -4.5], [27.53, -5.03], [27.18, -5.18], [27.15, -5.25], [27.25, -5.5], [27.03, 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"Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4943676399990977, 2.063406204350047, 2.147087967801047, 2.131909992456998]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4943676399990977, 2.643382080166134, 3.037523398723806, 2.909213150068183]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5243008597504304, 1.7317571625662032, 1.8442831528264396, 1.8392116070543023]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5243008597504304, 2.320565214657152, 3.0783561862623294, 2.4393245764441427]}}