{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:32.822316", "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-Oct-27_to_2016-Oct-31_345.0_15.0"}, "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": 2016100002726}, "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": "October 27 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 31 2016"}, "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": 77748.15997503723}, "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", "Senegal"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara", "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": 15.0}, "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": 345.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "345.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 343.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 346.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.75, 14.5], [-16.53, 15.03], [-16.18, 15.18], [-16.15, 15.25], [-16.25, 15.5], [-16.03, 16.03], [-15.5, 16.25], [-15.25, 16.15], [-15.18, 16.18], [-15.03, 16.53], [-14.5, 16.75], [-13.97, 16.53], [-13.82, 16.18], [-13.75, 16.15], [-13.5, 16.25], [-12.97, 16.03], [-12.75, 15.5], [-12.85, 15.25], [-12.75, 15.0], [-12.85, 14.75], [-12.75, 14.5], [-12.85, 14.25], [-12.75, 14.0], [-12.97, 13.47], [-13.32, 13.32], [-13.47, 12.97], [-14.0, 12.75], [-14.25, 12.85], [-14.5, 12.75], [-14.75, 12.85], [-15.0, 12.75], [-15.53, 12.97], [-15.68, 13.32], [-16.03, 13.47], [-16.18, 13.82], [-16.53, 13.97], [-16.75, 14.5]]]]}, "2016-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.53, 15.53], [-16.18, 15.68], [-16.03, 16.03], [-15.5, 16.25], [-15.25, 16.15], [-15.18, 16.18], [-15.03, 16.53], [-14.5, 16.75], [-13.97, 16.53], [-13.82, 16.18], [-13.75, 16.15], [-13.5, 16.25], [-12.97, 16.03], [-12.75, 15.5], [-12.85, 15.25], [-12.75, 15.0], [-12.85, 14.75], [-12.75, 14.5], [-12.85, 14.25], [-12.75, 14.0], [-12.97, 13.47], [-13.32, 13.32], [-13.47, 12.97], [-14.0, 12.75], [-14.25, 12.85], [-14.5, 12.75], [-14.75, 12.85], [-15.0, 12.75], [-15.53, 12.97], [-15.68, 13.32], [-16.03, 13.47], [-16.18, 13.82], [-16.53, 13.97], [-16.75, 14.5], [-16.65, 14.75], [-16.75, 15.0], [-16.53, 15.53]]]]}, "2016-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.53, 15.53], [-16.18, 15.68], [-16.03, 16.03], [-15.5, 16.25], [-15.25, 16.15], [-15.18, 16.18], [-15.03, 16.53], [-14.5, 16.75], [-13.97, 16.53], [-13.82, 16.18], [-13.75, 16.15], [-13.5, 16.25], [-12.97, 16.03], [-12.75, 15.5], [-12.85, 15.25], [-12.75, 15.0], [-12.85, 14.75], [-12.75, 14.5], [-12.85, 14.25], [-12.75, 14.0], [-12.97, 13.47], [-13.32, 13.32], [-13.47, 12.97], [-14.0, 12.75], [-14.25, 12.85], [-14.5, 12.75], [-14.75, 12.85], [-15.0, 12.75], [-15.53, 12.97], [-15.68, 13.32], [-16.03, 13.47], [-16.18, 13.82], [-16.53, 13.97], [-16.75, 14.5], [-16.65, 14.75], [-16.75, 15.0], [-16.53, 15.53]]]]}, "2016-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.53, 15.53], [-16.18, 15.68], [-16.03, 16.03], [-15.5, 16.25], [-15.25, 16.15], [-15.0, 16.25], [-14.75, 16.15], [-14.5, 16.25], [-13.97, 16.03], [-13.75, 15.5], [-13.85, 15.25], [-13.75, 15.0], [-13.97, 14.47], [-14.5, 14.25], [-14.75, 14.35], [-14.82, 14.32], [-14.97, 13.97], [-15.5, 13.75], [-15.75, 13.85], [-16.0, 13.75], [-16.53, 13.97], [-16.75, 14.5], [-16.65, 14.75], [-16.75, 15.0], [-16.53, 15.53]]]]}, "2016-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.0, 16.25], [-14.47, 16.03], [-14.25, 15.5], [-14.35, 15.25], [-14.25, 15.0], [-14.47, 14.47], [-15.0, 14.25], [-15.25, 14.35], [-15.5, 14.25], [-16.03, 14.47], [-16.25, 15.0], [-16.03, 15.53], [-15.68, 15.68], [-15.53, 16.03], [-15.0, 16.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.3568336473600766}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2028847363519235}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.936077042565557, 32.622032605971754, 31.933619922865148, 31.30031011699964, 31.100898329219547]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.83507437307907, 33.59737158609397, 33.07137624149681, 31.959026633088513, 31.366731819512722]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9920606796995752, 2.736659344900053, 2.079757800142523, 1.8241474404593165, 1.5370172691969894]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5759170392585133, 3.3568336473600766, 2.9886310750622442, 2.315579528451167, 1.6186548363884299]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6628988267202793, 2.3554510261211723, 1.8135239948170079, 1.6600552308891774, 1.4554054271390398]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1473199059280823, 2.9849868519921356, 2.548295554683535, 2.100392928269153, 1.5112867440382247]}}