{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:05.690310", "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-06_to_2016-Aug-09_346.5_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": 2016080001523}, "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 06 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 09 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": 139540.28813587135}, "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": ["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": 346.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "346.5\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": 348.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.75, 12.5], [-14.53, 13.03], [-14.0, 13.25], [-13.75, 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[-13.5, 13.25], [-12.97, 13.03], [-12.82, 12.68], [-12.47, 12.53], [-12.25, 12.0], [-12.35, 11.75], [-12.32, 11.68], [-12.25, 11.65], [-12.0, 11.75], [-11.47, 11.53], [-11.25, 11.0], [-11.35, 10.75], [-11.32, 10.68], [-10.97, 10.53], [-10.75, 10.0], [-10.97, 9.47], [-11.32, 9.32], [-11.47, 8.97], [-11.82, 8.82], [-11.97, 8.47], [-12.32, 8.32], [-12.47, 7.97], [-13.0, 7.75], [-13.53, 7.97], [-13.75, 8.5], [-13.65, 8.75], [-13.68, 8.82], [-14.03, 8.97], [-14.25, 9.5], [-14.15, 9.75], [-14.18, 9.82], [-14.25, 9.85], [-14.5, 9.75], [-15.03, 9.97], [-15.18, 10.32], [-15.5, 10.46], [-16.0, 10.25], [-16.53, 10.47], [-16.75, 11.0], [-16.54, 11.5], [-16.75, 12.0], [-16.65, 12.25], [-16.75, 12.5], [-16.53, 13.03]]]]}, "2016-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.53, 13.03], [-16.0, 13.25], [-15.7, 13.12], [-15.53, 13.53], [-15.0, 13.75], [-14.75, 13.65], [-14.5, 13.75], [-13.97, 13.53], [-13.82, 13.18], [-13.75, 13.15], [-13.5, 13.25], [-12.97, 13.03], [-12.82, 12.68], [-12.47, 12.53], [-12.25, 12.0], [-12.35, 11.75], [-12.32, 11.68], [-12.25, 11.65], [-12.0, 11.75], [-11.47, 11.53], [-11.25, 11.0], [-11.35, 10.75], [-11.32, 10.68], [-10.97, 10.53], [-10.75, 10.0], [-10.97, 9.47], [-11.32, 9.32], [-11.47, 8.97], [-11.82, 8.82], [-11.97, 8.47], [-12.32, 8.32], [-12.47, 7.97], [-13.0, 7.75], [-13.53, 7.97], [-13.75, 8.5], [-13.65, 8.75], [-13.68, 8.82], [-14.03, 8.97], [-14.25, 9.5], [-14.15, 9.75], [-14.18, 9.82], [-14.25, 9.85], [-14.5, 9.75], [-15.03, 9.97], [-15.18, 10.32], [-15.5, 10.46], [-16.0, 10.25], [-16.53, 10.47], [-16.75, 11.0], [-16.54, 11.5], [-16.75, 12.0], [-16.65, 12.25], [-16.75, 12.5], [-16.53, 13.03]]]]}, "2016-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.53, 13.03], [-16.0, 13.25], [-15.7, 13.12], [-15.53, 13.53], [-15.0, 13.75], [-14.75, 13.65], [-14.5, 13.75], [-13.97, 13.53], [-13.82, 13.18], [-13.75, 13.15], [-13.5, 13.25], [-12.97, 13.03], [-12.82, 12.68], [-12.47, 12.53], [-12.25, 12.0], [-12.35, 11.75], [-12.32, 11.68], [-12.25, 11.65], [-12.0, 11.75], [-11.47, 11.53], [-11.25, 11.0], [-11.35, 10.75], [-11.32, 10.68], [-10.97, 10.53], [-10.75, 10.0], [-10.97, 9.47], [-11.32, 9.32], [-11.47, 8.97], [-11.82, 8.82], [-11.97, 8.47], [-12.32, 8.32], [-12.47, 7.97], [-13.0, 7.75], [-13.53, 7.97], [-13.75, 8.5], [-13.65, 8.75], [-13.68, 8.82], [-14.03, 8.97], [-14.25, 9.5], [-14.15, 9.75], [-14.18, 9.82], [-14.25, 9.85], [-14.5, 9.75], [-15.03, 9.97], [-15.18, 10.32], [-15.5, 10.46], [-16.0, 10.25], [-16.53, 10.47], [-16.75, 11.0], [-16.54, 11.5], [-16.75, 12.0], [-16.65, 12.25], [-16.75, 12.5], [-16.53, 13.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.595956873482578}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6261560676337745}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.610953834768566, 26.444934042764828, 26.95515785280776, 26.90855521178065]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.007593260192323, 28.1777732493224, 29.416519657451886, 29.230992936535245]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0464837439068488, 1.3437311916679315, 1.8579632414059453, 1.8153910646317115]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.349496381664835, 1.919877013252517, 2.3822879580350786, 2.595956873482578]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3832429126903403, 1.712575162347907, 2.470491192409635, 2.365147101596573]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9403316919912361, 2.1849005601634173, 3.2510267047097416, 2.9561733418939986]}}