{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:16.534334", "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-Sep-08_to_2016-Sep-10_22.5_-0.5"}, "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": 2016090001432}, "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": "September 08 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 10 2016"}, "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": 64906.63304000889}, "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 DRC"]}, "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": -0.5}, "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": 22.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 21.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 24.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.35, 0.25], [21.25, 0.5], [21.35, 0.75], [21.25, 1.0], [21.47, 1.53], [21.82, 1.68], [21.97, 2.03], [22.5, 2.25], [22.75, 2.15], [23.0, 2.25], [23.53, 2.03], [23.68, 1.68], [23.75, 1.65], [24.0, 1.75], [24.53, 1.53], [24.75, 1.0], [24.65, 0.75], [24.75, 0.5], [24.65, 0.25], [24.68, 0.18], [25.03, 0.03], [25.25, -0.5], [25.03, -1.03], [24.5, -1.25], [24.25, -1.15], [24.0, -1.25], [23.75, -1.15], [23.68, -1.18], [23.53, -1.53], [23.0, -1.75], [22.47, -1.53], [22.32, -1.18], [22.25, -1.15], [22.0, -1.25], [21.47, -1.03], [21.25, -0.5], [21.35, -0.25], [21.25, 0.0], [21.35, 0.25]]]]}, "2016-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.35, 0.25], [21.25, 0.5], [21.35, 0.75], [21.25, 1.0], [21.47, 1.53], [21.82, 1.68], [21.97, 2.03], [22.5, 2.25], [22.75, 2.15], [23.0, 2.25], [23.53, 2.03], [23.68, 1.68], [23.75, 1.65], [24.0, 1.75], [24.53, 1.53], [24.75, 1.0], [24.65, 0.75], [24.75, 0.5], [24.65, 0.25], [24.68, 0.18], [25.03, 0.03], [25.25, -0.5], [25.03, -1.03], [24.5, -1.25], [24.25, -1.15], [24.0, -1.25], [23.75, -1.15], [23.68, -1.18], [23.53, -1.53], [23.0, -1.75], [22.47, -1.53], [22.32, -1.18], [22.25, -1.15], [22.0, -1.25], [21.47, -1.03], [21.25, -0.5], [21.35, -0.25], [21.25, 0.0], [21.35, 0.25]]]]}, "2016-09-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.35, 0.25], [21.25, 0.5], [21.35, 0.75], [21.25, 1.0], [21.47, 1.53], [21.82, 1.68], [21.97, 2.03], [22.5, 2.25], [22.75, 2.15], [23.0, 2.25], [23.53, 2.03], [23.68, 1.68], [23.75, 1.65], [24.0, 1.75], [24.53, 1.53], [24.75, 1.0], [24.65, 0.75], [24.75, 0.5], [24.65, 0.25], [24.68, 0.18], [25.03, 0.03], [25.25, -0.5], [25.03, -1.03], [24.5, -1.25], [24.25, -1.15], [24.0, -1.25], [23.75, -1.15], [23.68, -1.18], [23.53, -1.53], [23.0, -1.75], [22.47, -1.53], [22.32, -1.18], [22.25, -1.15], [22.0, -1.25], [21.47, -1.03], [21.25, -0.5], [21.35, -0.25], [21.25, 0.0], [21.35, 0.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.014724029876845}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3680606358267522}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.569393557300373, 25.391763456877868, 25.83499882583368]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.600109578522165, 26.02770312225465, 26.467265247981004]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3374355122446104, 1.1794494585330237, 1.5872969367026226]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7060082175152615, 1.5860420267671316, 2.014724029876845]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.804143588395905, 1.597872894317999, 2.0506281011115894]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.195983119487939, 2.187171911768039, 2.636610204908002]}}