{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:04.009952", "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": "2016-Aug-01_to_2016-Aug-04_347.0_11.5"}, "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": 2016080001014}, "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 01 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 04 2016"}, "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": 169905.4055793149}, "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": ["Guinea", "Guinea-Bissau", "Senegal", "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": 11.5}, "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": 347.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "347.0\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": 350.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-13.53, 12.53], [-13.0, 12.75], [-12.75, 12.65], [-12.5, 12.75], [-12.0, 12.54], [-11.5, 12.75], [-11.25, 12.65], [-11.0, 12.75], [-10.75, 12.65], [-10.5, 12.75], [-10.25, 12.65], [-10.0, 12.75], [-9.47, 12.53], [-9.25, 12.0], [-9.35, 11.75], [-9.25, 11.5], [-9.35, 11.25], [-9.25, 11.0], [-9.46, 10.5], [-9.32, 10.18], [-8.97, 10.03], [-8.75, 9.5], [-8.97, 8.97], [-9.5, 8.75], [-10.03, 8.97], [-10.18, 9.32], [-10.25, 9.35], [-10.5, 9.25], [-10.75, 9.35], [-11.0, 9.25], [-11.25, 9.35], [-11.5, 9.25], [-12.03, 9.47], [-12.18, 9.82], [-12.53, 9.97], [-12.75, 10.5], [-12.65, 10.75], [-12.68, 10.82], [-12.75, 10.85], [-13.0, 10.75], [-13.53, 10.97], [-13.75, 11.5], [-13.65, 11.75], [-13.75, 12.0], [-13.53, 12.53]]]]}, "2016-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.25, 12.0], [-16.03, 12.53], [-15.5, 12.75], [-15.0, 12.54], [-14.5, 12.75], [-14.25, 12.65], [-14.18, 12.68], [-14.03, 13.03], [-13.5, 13.25], [-13.25, 13.15], [-13.0, 13.25], [-12.75, 13.15], [-12.5, 13.25], [-11.97, 13.03], [-11.8, 12.62], [-11.5, 12.75], [-11.25, 12.65], [-11.0, 12.75], [-10.75, 12.65], [-10.5, 12.75], [-10.25, 12.65], [-10.0, 12.75], [-9.47, 12.53], [-9.25, 12.0], [-9.35, 11.75], [-9.25, 11.5], [-9.35, 11.25], [-9.25, 11.0], [-9.46, 10.5], [-9.32, 10.18], [-8.97, 10.03], [-8.75, 9.5], [-8.97, 8.97], [-9.5, 8.75], [-10.03, 8.97], [-10.18, 9.32], [-10.25, 9.35], [-10.5, 9.25], [-10.75, 9.35], [-11.0, 9.25], [-11.25, 9.35], [-11.32, 9.32], [-11.47, 8.97], [-12.0, 8.75], [-12.25, 8.85], [-12.32, 8.82], [-12.47, 8.47], [-13.0, 8.25], [-13.53, 8.47], [-13.75, 9.0], [-13.65, 9.25], [-13.68, 9.32], [-14.03, 9.47], [-14.18, 9.82], [-14.25, 9.85], [-14.5, 9.75], [-15.03, 9.97], [-15.25, 10.5], [-15.15, 10.75], [-15.18, 10.82], [-15.53, 10.97], [-15.68, 11.32], [-16.03, 11.47], [-16.25, 12.0]]]]}, "2016-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.25, 12.0], [-16.03, 12.53], [-15.5, 12.75], [-15.0, 12.54], [-14.5, 12.75], [-14.25, 12.65], [-14.18, 12.68], [-14.03, 13.03], [-13.5, 13.25], [-13.25, 13.15], [-13.0, 13.25], [-12.75, 13.15], [-12.5, 13.25], [-11.97, 13.03], [-11.8, 12.62], [-11.5, 12.75], [-11.25, 12.65], [-11.0, 12.75], [-10.75, 12.65], [-10.5, 12.75], [-10.25, 12.65], [-10.0, 12.75], [-9.47, 12.53], [-9.25, 12.0], [-9.35, 11.75], [-9.25, 11.5], [-9.35, 11.25], [-9.25, 11.0], [-9.46, 10.5], [-9.32, 10.18], [-8.97, 10.03], [-8.75, 9.5], [-8.97, 8.97], [-9.5, 8.75], [-10.03, 8.97], [-10.18, 9.32], [-10.25, 9.35], [-10.5, 9.25], [-10.75, 9.35], [-11.0, 9.25], [-11.25, 9.35], [-11.32, 9.32], [-11.47, 8.97], [-12.0, 8.75], [-12.25, 8.85], [-12.32, 8.82], [-12.47, 8.47], [-13.0, 8.25], [-13.53, 8.47], [-13.75, 9.0], [-13.65, 9.25], [-13.68, 9.32], [-14.03, 9.47], [-14.18, 9.82], [-14.25, 9.85], [-14.5, 9.75], [-15.03, 9.97], [-15.25, 10.5], [-15.15, 10.75], [-15.18, 10.82], [-15.53, 10.97], [-15.68, 11.32], [-16.03, 11.47], [-16.25, 12.0]]]]}, "2016-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.25, 12.0], [-16.03, 12.53], [-15.5, 12.75], [-15.0, 12.54], [-14.5, 12.75], [-14.25, 12.65], [-14.18, 12.68], [-14.03, 13.03], [-13.5, 13.25], [-13.25, 13.15], [-13.0, 13.25], [-12.75, 13.15], [-12.5, 13.25], [-11.97, 13.03], [-11.8, 12.62], [-11.5, 12.75], [-10.97, 12.53], [-10.75, 12.0], [-10.97, 11.47], [-11.32, 11.32], [-11.35, 11.25], [-11.25, 11.0], [-11.35, 10.75], [-11.32, 10.68], [-11.25, 10.65], [-11.0, 10.75], [-10.47, 10.53], [-10.25, 10.0], [-10.47, 9.47], [-11.0, 9.25], [-11.25, 9.35], [-11.32, 9.32], [-11.47, 8.97], [-12.0, 8.75], [-12.25, 8.85], [-12.32, 8.82], [-12.47, 8.47], [-13.0, 8.25], [-13.53, 8.47], [-13.75, 9.0], [-13.65, 9.25], [-13.68, 9.32], [-14.03, 9.47], [-14.18, 9.82], [-14.25, 9.85], [-14.5, 9.75], [-15.03, 9.97], [-15.25, 10.5], [-15.15, 10.75], [-15.18, 10.82], [-15.53, 10.97], [-15.68, 11.32], [-16.03, 11.47], [-16.25, 12.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.031102496173446}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4446866669014908}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.39178940006235, 25.928786898806436, 25.988942758649557, 26.04161902558019]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.332979856634154, 28.122492875138448, 28.71964947533428, 28.626926289566484]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3626859479145066, 1.4408753322427816, 1.4712551057698278, 1.4687795278478866]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.554187115867137, 1.883493986914175, 2.014825659781593, 2.031102496173446]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5549954217775008, 1.7112013864577258, 1.7617080838852606, 1.7956960251749945]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7786969058545197, 2.256389547547983, 2.3105631811942247, 2.5132133174115476]}}