{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:46.447585", "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-Jun-21_to_2013-Jun-26_344.5_12.5"}, "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": 2013060002484}, "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 21 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 26 2013"}, "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": 150575.95589367315}, "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": ["Gambia", "Guinea", "Guinea-Bissau", "Mali", "Senegal"]}, "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": ["North Atlantic Ocean"]}, "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": 12.5}, "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": 344.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "344.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 344.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 353.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.5, 13.25], [-14.97, 13.03], [-14.75, 12.5], [-14.97, 11.97], [-15.5, 11.75], [-16.03, 11.97], [-16.25, 12.5], [-16.03, 13.03], [-15.5, 13.25]]]]}, "2013-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.0, 13.75], [-14.75, 13.65], [-14.5, 13.75], [-13.97, 13.53], [-13.75, 13.0], [-13.97, 12.47], [-14.32, 12.32], [-14.47, 11.97], [-15.0, 11.75], [-15.25, 11.85], [-15.5, 11.75], [-16.03, 11.97], [-16.25, 12.5], [-16.03, 13.03], [-15.68, 13.18], [-15.53, 13.53], [-15.0, 13.75]]]]}, "2013-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.25, 12.5], [-16.03, 13.03], [-15.68, 13.18], [-15.53, 13.53], [-15.18, 13.68], [-15.03, 14.03], [-14.5, 14.25], [-14.25, 14.15], [-14.0, 14.25], [-13.75, 14.15], [-13.5, 14.25], [-13.25, 14.15], [-13.18, 14.18], [-13.03, 14.53], [-12.5, 14.75], [-12.25, 14.65], [-12.0, 14.75], [-11.75, 14.65], [-11.68, 14.68], [-11.53, 15.03], [-11.0, 15.25], [-10.75, 15.15], [-10.5, 15.25], [-9.97, 15.03], [-9.75, 14.5], [-9.97, 13.97], [-10.37, 13.8], [-10.25, 13.5], 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12.25], [-10.25, 12.5], [-10.03, 13.03], [-9.68, 13.18]]]]}, "2013-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.15, 12.25], [-16.25, 12.5], [-16.03, 13.03], [-15.68, 13.18], [-15.53, 13.53], [-15.18, 13.68], [-15.03, 14.03], [-14.5, 14.25], [-14.25, 14.15], [-14.0, 14.25], [-13.75, 14.15], [-13.5, 14.25], [-13.25, 14.15], [-13.18, 14.18], [-13.03, 14.53], [-12.5, 14.75], [-12.25, 14.65], [-12.0, 14.75], [-11.75, 14.65], [-11.68, 14.68], [-11.53, 15.03], [-11.0, 15.25], [-10.75, 15.15], [-10.5, 15.25], [-9.97, 15.03], [-9.75, 14.5], [-9.97, 13.97], [-10.37, 13.8], [-10.32, 13.68], [-10.25, 13.65], [-10.0, 13.75], [-9.5, 13.54], [-9.0, 13.75], [-8.75, 13.65], [-8.68, 13.68], [-8.53, 14.03], [-8.18, 14.18], [-8.03, 14.53], [-7.5, 14.75], [-7.25, 14.65], [-7.0, 14.75], [-6.47, 14.53], [-6.25, 14.0], [-6.35, 13.75], [-6.25, 13.5], [-6.35, 13.25], [-6.25, 13.0], [-6.35, 12.75], [-6.25, 12.5], [-6.47, 11.97], [-6.82, 11.82], [-6.97, 11.47], [-7.5, 11.25], [-7.75, 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entire duration", "value": 4.500237531439666}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.8148148861985836}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.918696241006387, 31.65817705910706, 32.4934670631838, 32.95048506972665, 32.337427930483955, 30.909989463530223]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.918696241006387, 32.667829896614535, 35.86005040793856, 37.30726445078989, 36.010930845333576, 32.911889520491286]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6017714895800168, 1.81678933964443, 2.4738984433006435, 3.2568774713967, 2.8989610529245056, 2.2043180336128443]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6017714895800168, 2.0727706802264834, 3.300454589944877, 4.500237531439666, 4.027581385889164, 2.738845007664338]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.487156064609166, 1.442550834911833, 1.5483765922861905, 2.0127194988716215, 1.8638724265482887, 1.4923883750222802]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.487156064609166, 1.5119706873987566, 1.8583660568195117, 2.4675753480250213, 2.4618900356606743, 1.6072140531292418]}}