{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:30.378628", "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-Oct-14_to_2016-Oct-18_1.0_21.5"}, "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": 2016100002004}, "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 14 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 18 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 58064.84934767295}, "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": ["Algeria", "Mali"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 21.5}, "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": 361.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "1.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 355.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 362.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[2.0, 21.75], [2.53, 21.53], [2.75, 21.0], [2.53, 20.47], [2.0, 20.25], [1.47, 20.47], [1.25, 21.0], [1.47, 21.53], [2.0, 21.75]]]]}, "2016-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[1.0, 22.25], [1.53, 22.03], [1.7, 21.62], [2.0, 21.75], [2.53, 21.53], [2.75, 21.0], [2.53, 20.47], [2.0, 20.25], [1.5, 20.46], [1.0, 20.25], [0.75, 20.35], [0.5, 20.25], [-0.03, 20.47], [-0.25, 21.0], [-0.03, 21.53], [0.32, 21.68], [0.47, 22.03], [1.0, 22.25]]]]}, "2016-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.03, 19.03], [-4.5, 19.25], [-4.25, 19.15], [-4.0, 19.25], [-3.75, 19.15], [-3.68, 19.18], [-3.53, 19.53], [-3.18, 19.68], [-3.03, 20.03], [-2.5, 20.25], [-2.25, 20.15], [-2.18, 20.18], [-2.03, 20.53], [-1.68, 20.68], [-1.53, 21.03], [-1.18, 21.18], [-1.03, 21.53], [-0.5, 21.75], [-0.25, 21.65], [0.0, 21.75], [0.25, 21.65], [0.32, 21.68], [0.47, 22.03], [1.0, 22.25], [1.25, 22.15], [1.5, 22.25], [2.03, 22.03], [2.18, 21.68], [2.53, 21.53], [2.75, 21.0], [2.53, 20.47], [2.0, 20.25], [1.5, 20.46], [1.0, 20.25], [0.75, 20.35], [0.68, 20.32], [0.53, 19.97], [0.18, 19.82], [0.03, 19.47], [-0.5, 19.25], [-0.75, 19.35], [-1.0, 19.25], [-1.25, 19.35], [-1.32, 19.32], [-1.47, 18.97], [-2.0, 18.75], [-2.25, 18.85], [-2.32, 18.82], [-2.47, 18.47], [-2.82, 18.32], [-2.97, 17.97], [-3.5, 17.75], [-3.75, 17.85], [-3.82, 17.82], [-3.97, 17.47], [-4.5, 17.25], [-5.03, 17.47], [-5.25, 18.0], [-5.15, 18.25], [-5.25, 18.5], [-5.03, 19.03]]]]}, "2016-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.03, 19.03], [-4.5, 19.25], [-4.25, 19.15], [-4.0, 19.25], [-3.75, 19.15], [-3.68, 19.18], [-3.53, 19.53], [-3.18, 19.68], [-3.03, 20.03], [-2.5, 20.25], [-2.25, 20.15], [-2.18, 20.18], [-2.03, 20.53], [-1.68, 20.68], [-1.53, 21.03], [-1.18, 21.18], [-1.03, 21.53], [-0.5, 21.75], [-0.25, 21.65], [0.0, 21.75], [0.25, 21.65], [0.32, 21.68], [0.47, 22.03], [1.0, 22.25], [1.25, 22.15], [1.5, 22.25], [2.03, 22.03], [2.25, 21.5], [2.03, 20.97], [1.68, 20.82], [1.53, 20.47], [1.0, 20.25], [0.75, 20.35], [0.68, 20.32], [0.53, 19.97], [0.18, 19.82], [0.03, 19.47], [-0.5, 19.25], [-0.75, 19.35], [-1.0, 19.25], [-1.25, 19.35], [-1.32, 19.32], [-1.47, 18.97], [-2.0, 18.75], [-2.25, 18.85], [-2.32, 18.82], [-2.47, 18.47], [-2.82, 18.32], [-2.97, 17.97], [-3.5, 17.75], [-3.75, 17.85], [-3.82, 17.82], [-3.97, 17.47], [-4.5, 17.25], [-5.03, 17.47], [-5.25, 18.0], [-5.15, 18.25], [-5.25, 18.5], [-5.03, 19.03]]]]}, "2016-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.03, 19.03], [-4.5, 19.25], [-4.25, 19.15], [-4.0, 19.25], [-3.75, 19.15], [-3.68, 19.18], [-3.53, 19.53], [-3.18, 19.68], [-3.03, 20.03], [-2.5, 20.25], [-2.25, 20.15], [-2.18, 20.18], [-2.03, 20.53], [-1.68, 20.68], [-1.53, 21.03], [-1.18, 21.18], [-1.03, 21.53], [-0.5, 21.75], [-0.25, 21.65], [0.0, 21.75], [0.25, 21.65], [0.32, 21.68], [0.47, 22.03], [1.0, 22.25], [1.25, 22.15], [1.5, 22.25], [2.03, 22.03], [2.25, 21.5], [2.03, 20.97], [1.68, 20.82], [1.53, 20.47], [1.0, 20.25], [0.75, 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maximum t2m.", "value": [32.446078373672606, 32.3478759522539, 33.79216294627929, 33.83550695752541, 33.24475228648106]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.122635786990486, 1.9734590852832383, 2.549268202283949, 3.0105884391773094, 2.52803996956548]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.122635786990486, 2.137060337960179, 2.983716533066513, 3.5384714501212784, 2.860853546749638]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.462096334355258, 1.2055632332057276, 1.4548713383834944, 1.643096971842362, 1.3069031170383643]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.462096334355258, 1.252122475989771, 1.8869682830032009, 1.8996663146691666, 1.429164537013592]}}