{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:28.121416", "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": "2010-Aug-03_to_2010-Aug-06_21.0_10.5"}, "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": 2010080001641}, "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 03 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 06 2010"}, "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": 91099.59635859894}, "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": ["Central African Republic", "Chad"]}, "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": 10.5}, "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": 21.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "21.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 19.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 22.75}, "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": 12.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.97, 11.03], [20.32, 11.18], [20.47, 11.53], [21.0, 11.75], [21.25, 11.65], [21.32, 11.68], [21.47, 12.03], [22.0, 12.25], [22.53, 12.03], [22.75, 11.5], [22.65, 11.25], [22.75, 11.0], [22.65, 10.75], [22.68, 10.68], [23.03, 10.53], [23.25, 10.0], [23.03, 9.47], [22.5, 9.25], [22.25, 9.35], [22.0, 9.25], [22.53, 9.03], [22.75, 8.5], [22.53, 7.97], [22.0, 7.75], [21.47, 7.97], [21.25, 8.5], [21.43, 8.93], [21.0, 8.75], [20.47, 8.97], [20.32, 9.32], [19.97, 9.47], [19.75, 10.0], [19.85, 10.25], [19.75, 10.5], [19.97, 11.03]], [[21.75, 9.35], [21.68, 9.32], [21.57, 9.07], [22.0, 9.25], [21.75, 9.35]]]]}, "2010-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.97, 12.03], [19.32, 12.18], [19.47, 12.53], [20.0, 12.75], [20.25, 12.65], [20.5, 12.75], [20.75, 12.65], [21.0, 12.75], [21.53, 12.53], [21.68, 12.18], [21.75, 12.15], [22.0, 12.25], [22.25, 12.15], [22.5, 12.25], [23.03, 12.03], [23.25, 11.5], [23.03, 10.97], [22.68, 10.82], [22.65, 10.75], [22.68, 10.68], [23.03, 10.53], [23.25, 10.0], [23.03, 9.47], [22.5, 9.25], [22.25, 9.35], [22.13, 9.3], [22.18, 9.18], [22.53, 9.03], [22.75, 8.5], [22.53, 7.97], [22.0, 7.75], [21.47, 7.97], [21.32, 8.32], [20.97, 8.47], [20.82, 8.82], [20.47, 8.97], [20.32, 9.32], [20.25, 9.35], [20.0, 9.25], [19.47, 9.47], [19.25, 10.0], [19.35, 10.25], [19.32, 10.32], [18.97, 10.47], [18.75, 11.0], [18.85, 11.25], [18.75, 11.5], [18.97, 12.03]]]]}, "2010-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.97, 12.03], [19.32, 12.18], [19.47, 12.53], [20.0, 12.75], [20.25, 12.65], [20.5, 12.75], [20.75, 12.65], [21.0, 12.75], [21.53, 12.53], [21.68, 12.18], [21.75, 12.15], [22.0, 12.25], [22.25, 12.15], [22.5, 12.25], [23.03, 12.03], [23.25, 11.5], [23.03, 10.97], [22.68, 10.82], [22.65, 10.75], [22.68, 10.68], [23.03, 10.53], [23.25, 10.0], [23.03, 9.47], [22.5, 9.25], [22.25, 9.35], [22.13, 9.3], [22.18, 9.18], [22.53, 9.03], [22.75, 8.5], [22.53, 7.97], [22.0, 7.75], [21.47, 7.97], [21.32, 8.32], [20.97, 8.47], [20.82, 8.82], [20.47, 8.97], [20.32, 9.32], [20.25, 9.35], [20.0, 9.25], [19.47, 9.47], [19.25, 10.0], [19.35, 10.25], [19.32, 10.32], [18.97, 10.47], [18.75, 11.0], [18.85, 11.25], [18.75, 11.5], [18.97, 12.03]]]]}, "2010-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.97, 12.03], [19.32, 12.18], [19.47, 12.53], [20.0, 12.75], [20.25, 12.65], [20.5, 12.75], [20.75, 12.65], [21.0, 12.75], [21.53, 12.53], [21.68, 12.18], [21.75, 12.15], [22.0, 12.25], [22.25, 12.15], [22.5, 12.25], [23.03, 12.03], [23.25, 11.5], [23.03, 10.97], [22.68, 10.82], [22.65, 10.75], [22.68, 10.68], [23.03, 10.53], [23.25, 10.0], [23.03, 9.47], [22.5, 9.25], [22.25, 9.35], [22.13, 9.3], [22.18, 9.18], [22.53, 9.03], [22.75, 8.5], [22.53, 7.97], [22.0, 7.75], [21.47, 7.97], [21.32, 8.32], [20.97, 8.47], [20.82, 8.82], [20.47, 8.97], [20.32, 9.32], [20.25, 9.35], [20.0, 9.25], [19.47, 9.47], [19.25, 10.0], [19.35, 10.25], [19.32, 10.32], [18.97, 10.47], [18.75, 11.0], [18.85, 11.25], [18.75, 11.5], [18.97, 12.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.772299185879831}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6826981307335565}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.368189613111383, 26.599673223798902, 26.605100354167405, 27.4188925905612]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.794217960440562, 27.069262819890298, 27.021674901074505, 28.087910508669268]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.270565257080985, 1.4407816729103027, 1.4723367262996079, 2.3410424298170445]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4032172345411595, 1.7411087642431085, 2.045130904761777, 2.772299185879831]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3988095675563916, 1.6054577284527196, 1.6530563666878602, 2.642883790422919]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5334661406364243, 1.8984380329726365, 2.4457906069471234, 3.1341738031971826]}}