{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:46.816410", "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": "2011-Jun-10_to_2011-Jun-12_345.5_8.0"}, "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": 2011060002191}, "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 10 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 12 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 134521.15346456703}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Atlantic-Ocean", "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": 8.0}, "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": 345.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "345.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 341.25}, "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": 5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-19.03, 9.53], [-18.5, 9.75], [-18.25, 9.65], [-18.0, 9.75], [-17.75, 9.65], [-17.5, 9.75], [-17.25, 9.65], [-17.18, 9.68], [-17.03, 10.03], [-16.5, 10.25], [-16.25, 10.15], [-16.0, 10.25], [-15.75, 10.15], [-15.68, 10.18], [-15.54, 10.5], [-15.75, 11.0], [-15.53, 11.53], [-15.0, 11.75], [-14.75, 11.65], [-14.5, 11.75], [-13.97, 11.53], [-13.82, 11.18], [-13.47, 11.03], [-13.32, 10.68], [-12.97, 10.53], [-12.75, 10.0], [-12.97, 9.47], [-13.5, 9.25], [-13.75, 9.35], [-14.0, 9.25], [-13.47, 9.03], [-13.25, 8.5], [-13.35, 8.25], [-13.25, 8.0], [-13.47, 7.47], [-13.82, 7.32], [-13.97, 6.97], [-14.5, 6.75], [-14.75, 6.85], [-14.82, 6.82], [-14.85, 6.75], [-14.75, 6.5], [-14.97, 5.97], [-15.5, 5.75], [-15.75, 5.85], [-15.82, 5.82], [-15.97, 5.47], [-16.5, 5.25], [-16.75, 5.35], [-17.0, 5.25], [-17.53, 5.47], [-17.68, 5.82], [-18.03, 5.97], [-18.25, 6.5], [-18.03, 7.03], [-17.5, 7.25], [-17.25, 7.15], [-17.18, 7.18], [-17.04, 7.5], [-17.25, 8.0], [-17.15, 8.25], [-17.18, 8.32], [-17.25, 8.35], [-17.32, 8.32], [-17.47, 7.97], [-18.0, 7.75], [-18.25, 7.85], [-18.5, 7.75], [-19.03, 7.97], [-19.25, 8.5], [-19.15, 8.75], [-19.25, 9.0], [-19.03, 9.53]], [[-14.3, 9.38], [-14.37, 9.2], [-14.25, 9.15], [-14.0, 9.25], [-14.3, 9.38]]]]}, "2011-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-19.03, 9.53], [-18.5, 9.75], [-18.25, 9.65], [-18.0, 9.75], [-17.75, 9.65], [-17.5, 9.75], [-17.25, 9.65], [-17.18, 9.68], [-17.03, 10.03], [-16.5, 10.25], [-16.25, 10.15], [-16.0, 10.25], [-15.75, 10.15], [-15.68, 10.18], [-15.54, 10.5], [-15.75, 11.0], [-15.53, 11.53], [-15.0, 11.75], [-14.75, 11.65], [-14.5, 11.75], [-13.97, 11.53], [-13.82, 11.18], [-13.47, 11.03], [-13.32, 10.68], [-12.97, 10.53], [-12.75, 10.0], [-12.97, 9.47], [-13.5, 9.25], [-13.75, 9.35], [-14.0, 9.25], [-13.47, 9.03], [-13.25, 8.5], [-13.35, 8.25], [-13.25, 8.0], [-13.47, 7.47], [-13.82, 7.32], [-13.97, 6.97], [-14.5, 6.75], [-14.75, 6.85], [-14.82, 6.82], [-14.85, 6.75], [-14.75, 6.5], [-14.97, 5.97], [-15.5, 5.75], [-15.75, 5.85], [-15.82, 5.82], [-15.97, 5.47], [-16.5, 5.25], [-16.75, 5.35], [-17.0, 5.25], [-17.53, 5.47], [-17.68, 5.82], [-18.03, 5.97], [-18.25, 6.5], [-18.03, 7.03], [-17.5, 7.25], [-17.25, 7.15], [-17.18, 7.18], [-17.04, 7.5], [-17.25, 8.0], [-17.15, 8.25], [-17.18, 8.32], [-17.25, 8.35], [-17.32, 8.32], [-17.47, 7.97], [-18.0, 7.75], [-18.25, 7.85], [-18.5, 7.75], [-19.03, 7.97], [-19.25, 8.5], [-19.15, 8.75], [-19.25, 9.0], [-19.03, 9.53]], [[-14.3, 9.38], [-14.37, 9.2], [-14.25, 9.15], [-14.0, 9.25], [-14.3, 9.38]]]]}, "2011-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-19.03, 9.53], [-18.5, 9.75], [-18.25, 9.65], [-18.0, 9.75], [-17.75, 9.65], [-17.5, 9.75], [-17.25, 9.65], [-17.18, 9.68], [-17.03, 10.03], [-16.5, 10.25], [-16.25, 10.15], [-16.0, 10.25], [-15.75, 10.15], [-15.68, 10.18], [-15.54, 10.5], [-15.75, 11.0], [-15.53, 11.53], [-15.0, 11.75], [-14.75, 11.65], [-14.5, 11.75], [-13.97, 11.53], [-13.82, 11.18], [-13.47, 11.03], [-13.32, 10.68], [-12.97, 10.53], [-12.75, 10.0], [-12.97, 9.47], [-13.5, 9.25], [-13.75, 9.35], [-14.0, 9.25], [-13.47, 9.03], [-13.25, 8.5], [-13.35, 8.25], [-13.25, 8.0], [-13.47, 7.47], [-13.82, 7.32], [-13.97, 6.97], [-14.5, 6.75], [-14.75, 6.85], [-14.82, 6.82], [-14.85, 6.75], [-14.75, 6.5], [-14.97, 5.97], [-15.5, 5.75], [-15.75, 5.85], [-15.82, 5.82], [-15.97, 5.47], [-16.5, 5.25], [-16.75, 5.35], [-17.0, 5.25], [-17.53, 5.47], [-17.68, 5.82], [-18.03, 5.97], [-18.25, 6.5], [-18.03, 7.03], [-17.5, 7.25], [-17.25, 7.15], [-17.18, 7.18], [-17.04, 7.5], [-17.25, 8.0], [-17.15, 8.25], [-17.18, 8.32], [-17.25, 8.35], [-17.32, 8.32], [-17.47, 7.97], [-18.0, 7.75], [-18.25, 7.85], [-18.5, 7.75], [-19.03, 7.97], [-19.25, 8.5], [-19.15, 8.75], [-19.25, 9.0], [-19.03, 9.53]], [[-14.3, 9.38], [-14.37, 9.2], [-14.25, 9.15], [-14.0, 9.25], [-14.3, 9.38]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5981924438993929}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0091956269390465}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.543369889125415, 27.7361035075416, 27.417539762138006]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.934214772419352, 29.05023909592029, 28.738524722614954]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9630312008779472, 1.1834808808568922, 0.8810747990823002]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4828767748670657, 1.5981924438993929, 1.3376174159142806]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7442254638160748, 2.201485586969075, 1.612831447959934]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.932494121355327, 2.8560409458290126, 2.0346040035900312]}}