{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:47.487081", "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-Oct-16_to_2013-Oct-19_13.0_-1.5"}, "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": 2013100002261}, "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 16 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 19 2013"}, "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": 135875.6354087821}, "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": ["Congo", "Gabon"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": -1.5}, "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": 13.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "13.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 11.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 16.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.97, -0.47], [11.5, -0.25], [11.8, -0.37], [11.97, 0.03], [12.5, 0.25], [12.75, 0.15], [13.0, 0.25], [13.53, 0.03], [13.68, -0.32], [14.03, -0.47], [14.18, -0.82], [14.53, -0.97], [14.68, -1.32], [15.0, -1.46], [15.5, -1.25], [16.03, -1.47], [16.25, -2.0], [16.15, -2.25], [16.18, -2.32], [16.53, -2.47], [16.75, -3.0], [16.65, -3.25], [16.75, -3.5], [16.53, -4.03], [16.18, -4.18], [16.03, -4.53], [15.5, -4.75], [15.25, -4.65], [15.0, -4.75], [14.47, -4.53], [14.32, -4.18], [14.25, -4.15], [14.0, -4.25], [13.75, -4.15], [13.5, -4.25], [13.0, -4.04], [12.5, -4.25], [11.97, -4.03], [11.75, -3.5], [11.96, -3.0], [11.82, -2.68], [11.75, -2.65], [11.5, -2.75], [10.97, -2.53], [10.75, -2.0], [10.96, -1.5], [10.75, -1.0], [10.97, -0.47]]]]}, "2013-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.96, -1.5], [10.75, -1.0], [10.97, -0.47], [11.5, -0.25], [11.8, -0.37], [11.97, 0.03], [12.5, 0.25], [12.75, 0.15], [13.0, 0.25], [13.5, 0.04], [14.0, 0.25], [14.25, 0.15], [14.5, 0.25], [15.03, 0.03], [15.25, -0.5], [15.03, -1.03], [14.63, -1.2], [14.68, -1.32], [15.0, -1.46], [15.5, -1.25], [16.03, -1.47], [16.25, -2.0], [16.15, -2.25], [16.18, -2.32], [16.53, -2.47], [16.75, -3.0], [16.65, -3.25], [16.75, -3.5], [16.53, -4.03], [16.18, -4.18], [16.03, -4.53], [15.5, -4.75], [15.25, -4.65], [15.0, -4.75], [14.47, -4.53], [14.32, -4.18], [14.25, -4.15], [14.0, -4.25], [13.75, -4.15], [13.5, -4.25], [13.0, -4.04], [12.5, -4.25], [12.25, -4.15], [12.0, -4.25], [11.47, -4.03], [11.25, -3.5], [11.35, -3.25], [11.32, -3.18], [10.97, -3.03], [10.75, -2.5], [10.85, -2.25], [10.75, -2.0], [10.96, -1.5]]]]}, "2013-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.96, -1.5], [10.75, -1.0], [10.97, -0.47], [11.5, -0.25], [11.8, -0.37], [11.97, 0.03], [12.5, 0.25], [12.75, 0.15], [13.0, 0.25], [13.5, 0.04], [14.0, 0.25], [14.25, 0.15], [14.5, 0.25], [15.03, 0.03], [15.25, -0.5], [15.03, -1.03], [14.63, -1.2], [14.68, -1.32], [15.0, -1.46], [15.5, -1.25], [16.03, -1.47], [16.25, -2.0], [16.15, -2.25], [16.18, -2.32], [16.53, -2.47], [16.75, -3.0], [16.65, -3.25], [16.75, -3.5], [16.53, -4.03], [16.18, -4.18], [16.03, -4.53], [15.5, -4.75], [15.25, -4.65], [15.0, -4.75], [14.47, -4.53], [14.32, -4.18], [14.25, -4.15], [14.0, -4.25], [13.75, -4.15], [13.5, -4.25], [13.0, -4.04], [12.5, -4.25], [12.25, -4.15], [12.0, -4.25], [11.47, -4.03], [11.25, -3.5], [11.35, -3.25], [11.32, -3.18], [10.97, -3.03], [10.75, -2.5], [10.85, -2.25], [10.75, -2.0], [10.96, -1.5]]]]}, "2013-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.96, -1.5], [10.75, -1.0], [10.97, -0.47], [11.5, -0.25], [12.0, -0.46], [12.5, -0.25], [12.75, -0.35], [13.0, -0.25], [13.3, -0.37], [13.47, 0.03], [14.0, 0.25], [14.25, 0.15], [14.5, 0.25], [15.03, 0.03], [15.25, -0.5], [15.03, -1.03], [14.5, -1.25], [14.25, -1.15], [14.0, -1.25], [13.7, -1.13], [13.65, -1.25], [13.75, -1.5], [13.65, -1.75], [13.75, -2.0], [13.53, -2.53], [13.18, -2.68], [13.07, -2.93], [13.5, -2.75], [14.0, -2.96], [14.32, -2.82], [14.47, -2.47], [15.0, -2.25], [15.53, -2.47], [15.75, -3.0], [15.65, -3.25], [15.75, -3.5], [15.53, -4.03], [15.0, -4.25], [14.75, -4.15], [14.5, -4.25], [14.0, -4.04], [13.5, -4.25], [13.0, -4.04], [12.5, -4.25], [12.25, -4.15], [12.0, -4.25], [11.47, -4.03], [11.25, -3.5], [11.35, -3.25], [11.32, -3.18], [10.97, -3.03], [10.75, -2.5], [10.85, -2.25], [10.75, -2.0], [10.96, -1.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5909859701072264}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5046539567481494}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.35333956653818, 25.48615554528834, 25.96268977818397, 25.464536288736895]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.59511450365477, 27.62089804842998, 27.629017728276324, 27.53792061842131]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3342893255214239, 1.37180544206538, 1.8623150314000272, 1.3500095748053642]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8214209340035836, 1.7994584335377795, 2.5909859701072264, 1.772097422413708]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5372567963576333, 1.5570138482694582, 2.0738277999696497, 1.62275039358618]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9207580250484386, 1.98651521680717, 2.6459658167551248, 2.126800145410595]}}