{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:16.227712", "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-Jun-05_to_2015-Jun-09_350.0_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": 2015060001711}, "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 05 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 09 2015"}, "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": 51223.26205794757}, "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", "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": []}, "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": 350.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "350.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 347.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 351.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.53, 11.97], [-11.75, 12.5], [-11.53, 13.03], [-11.0, 13.25], [-10.75, 13.15], [-10.68, 13.18], [-10.65, 13.25], [-10.75, 13.5], [-10.53, 14.03], [-10.0, 14.25], [-9.75, 14.15], [-9.5, 14.25], [-9.25, 14.15], [-9.0, 14.25], [-8.47, 14.03], [-8.25, 13.5], [-8.46, 13.0], [-8.25, 12.5], [-8.47, 11.97], [-9.0, 11.75], [-9.25, 11.85], [-9.5, 11.75], [-9.75, 11.85], [-10.0, 11.75], [-10.25, 11.85], [-10.5, 11.75], [-10.75, 11.85], [-11.0, 11.75], [-11.53, 11.97]]]]}, "2015-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.68, 13.18], [-11.53, 13.53], [-11.18, 13.68], [-11.03, 14.03], [-10.5, 14.25], [-10.25, 14.15], [-10.0, 14.25], [-9.75, 14.15], [-9.5, 14.25], [-9.25, 14.15], [-9.0, 14.25], [-8.47, 14.03], [-8.25, 13.5], [-8.46, 13.0], [-8.25, 12.5], [-8.47, 11.97], [-9.0, 11.75], [-9.25, 11.85], [-9.32, 11.82], [-9.47, 11.47], [-10.0, 11.25], [-10.53, 11.47], [-10.68, 11.82], [-10.75, 11.85], [-11.0, 11.75], [-11.25, 11.85], [-11.32, 11.82], [-11.47, 11.47], [-12.0, 11.25], [-12.53, 11.47], [-12.75, 12.0], [-12.53, 12.53], [-12.18, 12.68], [-12.03, 13.03], [-11.68, 13.18]]]]}, "2015-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.68, 13.18], [-11.53, 13.53], [-11.18, 13.68], [-11.03, 14.03], [-10.5, 14.25], [-10.25, 14.15], [-10.18, 14.18], [-10.03, 14.53], [-9.5, 14.75], [-8.97, 14.53], [-8.82, 14.18], [-8.47, 14.03], [-8.25, 13.5], [-8.46, 13.0], [-8.25, 12.5], [-8.47, 11.97], [-9.0, 11.75], [-9.25, 11.85], [-9.32, 11.82], [-9.47, 11.47], [-10.0, 11.25], [-10.53, 11.47], [-10.68, 11.82], [-10.75, 11.85], [-11.0, 11.75], [-11.25, 11.85], [-11.32, 11.82], [-11.47, 11.47], [-12.0, 11.25], [-12.53, 11.47], [-12.75, 12.0], [-12.53, 12.53], [-12.18, 12.68], [-12.03, 13.03], [-11.68, 13.18]]]]}, "2015-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.68, 13.18], [-11.53, 13.53], [-11.18, 13.68], [-11.03, 14.03], [-10.5, 14.25], [-10.25, 14.15], [-10.18, 14.18], [-10.03, 14.53], [-9.5, 14.75], [-8.97, 14.53], [-8.82, 14.18], [-8.47, 14.03], [-8.25, 13.5], [-8.46, 13.0], [-8.25, 12.5], [-8.47, 11.97], [-9.0, 11.75], [-9.25, 11.85], [-9.32, 11.82], [-9.47, 11.47], [-10.0, 11.25], [-10.53, 11.47], [-10.68, 11.82], [-10.75, 11.85], [-11.0, 11.75], [-11.25, 11.85], [-11.32, 11.82], [-11.47, 11.47], [-12.0, 11.25], [-12.53, 11.47], [-12.75, 12.0], [-12.53, 12.53], [-12.18, 12.68], [-12.03, 13.03], [-11.68, 13.18]]]]}, "2015-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.53, 13.53], [-11.18, 13.68], [-11.03, 14.03], [-10.5, 14.25], [-10.2, 14.12], [-10.03, 14.53], [-9.5, 14.75], [-8.97, 14.53], [-8.75, 14.0], [-8.97, 13.47], [-9.5, 13.25], [-9.8, 13.38], [-9.85, 13.25], [-9.82, 13.18], [-9.47, 13.03], [-9.25, 12.5], [-9.47, 11.97], [-10.0, 11.75], [-10.25, 11.85], [-10.5, 11.75], [-10.75, 11.85], [-11.0, 11.75], [-11.53, 11.97], [-11.75, 12.5], [-11.65, 12.75], [-11.75, 13.0], [-11.53, 13.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.886215313149705}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.86542738885563}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.794728088181046, 33.49805142686995, 35.37391944604906, 35.6369844245433, 33.55990930901601]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.54502212687174, 35.663017507024676, 38.278608342616224, 38.097230308935195, 36.049133470592494]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.874652624473464, 2.9021620856250046, 4.705898039119893, 5.030048827265017, 2.613059815721288]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.1663507437590397, 3.723138087843438, 5.886215313149705, 5.493963042517521, 2.8836785660766964]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.447492545070246, 1.4664630989536478, 2.350038688181757, 2.5502978838529793, 1.3684766179452301]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6496596138190975, 1.7969059398158558, 2.724359624905359, 2.8188710124217033, 1.45360046616687]}}