{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:29.935361", "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": "2015-Jul-10_to_2015-Jul-15_351.0_8.0"}, "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": 2015070002039}, "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 10 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 15 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 73427.2069211587}, "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": ["C\u00f4te d'Ivoire", "Guinea", "Liberia", "Sierra Leone"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-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": 8.0}, "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": 351.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "351.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 348.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 353.75}, "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": 10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.25, 7.5], [-9.03, 8.03], [-8.5, 8.25], [-8.0, 8.04], [-7.5, 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7.25], [-9.75, 7.35], [-10.0, 7.25], [-10.53, 7.47], [-10.68, 7.82], [-10.75, 7.85], [-11.0, 7.75], [-11.53, 7.97]]]]}, "2015-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.53, 7.97], [-11.75, 8.5], [-11.53, 9.03], [-11.0, 9.25], [-10.75, 9.15], [-10.5, 9.25], [-9.97, 9.03], [-9.82, 8.68], [-9.75, 8.65], [-9.5, 8.75], [-9.25, 8.65], [-9.0, 8.75], [-8.47, 8.53], [-8.32, 8.18], [-8.0, 8.04], [-7.5, 8.25], [-6.97, 8.03], [-6.75, 7.5], [-6.85, 7.25], [-6.82, 7.18], [-6.47, 7.03], [-6.32, 6.68], [-5.97, 6.53], [-5.75, 6.0], [-5.97, 5.47], [-6.5, 5.25], [-6.75, 5.35], [-7.0, 5.25], [-7.25, 5.35], [-7.5, 5.25], [-8.03, 5.47], [-8.18, 5.82], [-8.53, 5.97], [-8.75, 6.5], [-8.65, 6.75], [-8.68, 6.82], [-9.03, 6.97], [-9.18, 7.32], [-9.25, 7.35], [-9.5, 7.25], [-9.75, 7.35], [-10.0, 7.25], [-10.53, 7.47], [-10.68, 7.82], [-10.75, 7.85], [-11.0, 7.75], [-11.53, 7.97]]]]}, "2015-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.25, 10.0], 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9.32], [-12.03, 9.47], [-12.25, 10.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9410474613026167}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2607733422947984}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.53239340202947, 25.38741108397994, 25.4597427327721, 25.035071011695663, 25.18245252216343, 25.00773828934939]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.408454114624703, 26.342624935141828, 26.571903556476173, 26.188829329978205, 26.800266727779615, 26.241176427190283]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1300316017118348, 1.2477608274204537, 1.3503212399519535, 1.2072769908055696, 1.3706994029425306, 1.215728394856829]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2960501886072961, 1.7244430284061423, 1.7326250719110021, 1.4874000418431024, 1.9410474613026167, 1.410122710482824]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5900416537522477, 1.7682136987403665, 1.9405824864360575, 1.535100172164395, 1.705171353011662, 1.5249817528714364]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.050466306914711, 2.0857350696822388, 2.522089284097754, 1.7841120341982704, 2.280480685623374, 1.7808716984299544]}}