{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:32:08.148232", "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": "2022-Aug-11_to_2022-Aug-15_0.0_19.0"}, "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": 2022080002017}, "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": "August 11 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 15 2022"}, "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": 94492.94301500199}, "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": ["Mali"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 19.0}, "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": 360.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "0.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 357.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 361.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[0.0, 19.75], [0.53, 19.53], [0.75, 19.0], [0.53, 18.47], [0.0, 18.25], [-0.53, 18.47], [-0.75, 19.0], [-0.53, 19.53], [0.0, 19.75]]]]}, "2022-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[0.0, 19.75], [0.53, 19.53], [0.75, 19.0], [0.53, 18.47], [0.0, 18.25], [-0.53, 18.47], [-0.75, 19.0], [-0.53, 19.53], [0.0, 19.75]]]]}, "2022-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.25, 17.0], [-3.03, 17.53], [-2.5, 17.75], [-2.2, 17.62], [-2.03, 18.03], [-1.5, 18.25], [-1.25, 18.15], [-1.18, 18.18], [-1.15, 18.25], [-1.25, 18.5], [-1.03, 19.03], [-0.68, 19.18], [-0.53, 19.53], [0.0, 19.75], [0.53, 19.53], [0.68, 19.18], [0.75, 19.15], [1.0, 19.25], [1.25, 19.15], [1.5, 19.25], [2.03, 19.03], [2.25, 18.5], [2.03, 17.97], [1.5, 17.75], [1.25, 17.85], [1.18, 17.82], [1.15, 17.75], [1.25, 17.5], [1.15, 17.25], [1.25, 17.0], [1.15, 16.75], [1.18, 16.68], [1.53, 16.53], [1.75, 16.0], [1.53, 15.47], [1.0, 15.25], [0.75, 15.35], [0.68, 15.32], [0.53, 14.97], [0.0, 14.75], [-0.53, 14.97], [-0.68, 15.32], [-0.75, 15.35], [-1.0, 15.25], [-1.53, 15.47], [-1.68, 15.82], [-1.75, 15.85], [-2.0, 15.75], [-2.53, 15.97], [-2.68, 16.32], [-3.03, 16.47], [-3.25, 17.0]]]]}, "2022-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.25, 17.0], [-3.03, 17.53], [-2.5, 17.75], [-2.2, 17.62], [-2.03, 18.03], [-1.5, 18.25], [-1.25, 18.15], [-1.18, 18.18], [-1.15, 18.25], [-1.25, 18.5], [-1.03, 19.03], [-0.68, 19.18], [-0.53, 19.53], [0.0, 19.75], [0.53, 19.53], [0.68, 19.18], [0.75, 19.15], [1.0, 19.25], [1.25, 19.15], [1.5, 19.25], [2.03, 19.03], [2.25, 18.5], [2.03, 17.97], [1.5, 17.75], [1.25, 17.85], [1.18, 17.82], [1.15, 17.75], [1.25, 17.5], [1.15, 17.25], [1.25, 17.0], [1.15, 16.75], [1.18, 16.68], [1.53, 16.53], [1.75, 16.0], [1.53, 15.47], [1.0, 15.25], [0.75, 15.35], [0.68, 15.32], [0.53, 14.97], [0.0, 14.75], [-0.53, 14.97], [-0.68, 15.32], [-0.75, 15.35], [-1.0, 15.25], [-1.53, 15.47], [-1.68, 15.82], [-1.75, 15.85], [-2.0, 15.75], [-2.53, 15.97], [-2.68, 16.32], [-3.03, 16.47], [-3.25, 17.0]]]]}, "2022-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.25, 17.0], [-3.03, 17.53], [-2.5, 17.75], [-2.2, 17.62], [-2.03, 18.03], [-1.5, 18.25], [-1.25, 18.15], [-1.18, 18.18], [-1.15, 18.25], [-1.25, 18.5], [-1.03, 19.03], [-0.68, 19.18], [-0.53, 19.53], [0.0, 19.75], [0.53, 19.53], [0.68, 19.18], [0.75, 19.15], [1.0, 19.25], [1.25, 19.15], [1.5, 19.25], [2.03, 19.03], [2.25, 18.5], [2.03, 17.97], [1.5, 17.75], [1.25, 17.85], [1.18, 17.82], [1.15, 17.75], [1.25, 17.5], [1.15, 17.25], [1.25, 17.0], [1.15, 16.75], [1.18, 16.68], [1.53, 16.53], [1.75, 16.0], [1.53, 15.47], [1.0, 15.25], [0.75, 15.35], [0.68, 15.32], [0.53, 14.97], [0.0, 14.75], [-0.53, 14.97], [-0.68, 15.32], [-0.75, 15.35], [-1.0, 15.25], [-1.53, 15.47], [-1.68, 15.82], [-1.75, 15.85], [-2.0, 15.75], [-2.53, 15.97], [-2.68, 16.32], [-3.03, 16.47], [-3.25, 17.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.022849780295076}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.644709722701153}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.666945968513176, 35.788727383865876, 35.04627997323047, 36.35535107198024, 35.374717132068895]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.666945968513176, 35.788727383865876, 36.55015625369185, 38.565384070553534, 36.8197159314318]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.020913793729278, 2.2191413652940923, 3.1539605984857992, 4.425254297480112, 3.4189569060868887]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.020913793729278, 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