{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:43.124979", "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": "2019-Oct-08_to_2019-Oct-13_343.5_18.0"}, "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": 2019100001691}, "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 08 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 13 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 117725.88684701809}, "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": ["Mauritania"]}, "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": ["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": 18.0}, "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": 343.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "343.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 340.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 344.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-18.53, 18.47], [-18.75, 19.0], [-18.53, 19.53], [-18.0, 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[-15.97, 16.47], [-16.5, 16.25], [-17.03, 16.47], [-17.18, 16.82], [-17.53, 16.97], [-17.68, 17.32], [-18.03, 17.47], [-18.18, 17.82], [-18.25, 17.85], [-18.5, 17.75], [-18.75, 17.85], [-19.0, 17.75], [-19.53, 17.97], [-19.75, 18.5], [-19.65, 18.75], [-19.75, 19.0], [-19.53, 19.53]]]]}, "2019-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-20.03, 17.53], [-19.5, 17.75], [-19.25, 17.65], [-19.18, 17.68], [-19.12, 17.8], [-19.53, 17.97], [-19.75, 18.5], [-19.65, 18.75], [-19.75, 19.0], [-19.53, 19.53], [-19.0, 19.75], [-18.75, 19.65], [-18.5, 19.75], [-18.25, 19.65], [-18.0, 19.75], [-17.75, 19.65], [-17.5, 19.75], [-17.25, 19.65], [-17.18, 19.68], [-17.15, 19.75], [-17.25, 20.0], [-17.15, 20.25], [-17.25, 20.5], [-17.03, 21.03], [-16.5, 21.25], [-15.97, 21.03], [-15.75, 20.5], [-15.85, 20.25], [-15.75, 20.0], [-15.85, 19.75], [-15.75, 19.5], [-15.85, 19.25], [-15.75, 19.0], [-15.85, 18.75], [-15.82, 18.68], [-15.47, 18.53], [-15.25, 18.0], [-15.47, 17.47], [-15.82, 17.32], [-15.85, 17.25], [-15.75, 17.0], [-15.97, 16.47], [-16.32, 16.32], [-16.47, 15.97], [-17.0, 15.75], [-17.25, 15.85], [-17.32, 15.82], [-17.47, 15.47], [-18.0, 15.25], [-18.25, 15.35], [-18.5, 15.25], [-18.75, 15.35], [-19.0, 15.25], [-19.53, 15.47], [-19.68, 15.82], [-20.03, 15.97], [-20.25, 16.5], [-20.15, 16.75], [-20.25, 17.0], [-20.03, 17.53]]]]}, "2019-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-20.03, 17.53], [-19.5, 17.75], [-19.25, 17.65], [-19.18, 17.68], [-19.12, 17.8], [-19.53, 17.97], [-19.75, 18.5], [-19.53, 19.03], [-19.0, 19.25], [-18.75, 19.15], [-18.5, 19.25], [-18.25, 19.15], [-18.18, 19.18], [-18.03, 19.53], [-17.5, 19.75], [-17.25, 19.65], [-17.18, 19.68], [-17.15, 19.75], [-17.25, 20.0], [-17.15, 20.25], [-17.25, 20.5], [-17.03, 21.03], [-16.5, 21.25], [-15.97, 21.03], [-15.75, 20.5], [-15.85, 20.25], [-15.75, 20.0], [-15.85, 19.75], [-15.75, 19.5], [-15.85, 19.25], [-15.75, 19.0], [-15.85, 18.75], [-15.82, 18.68], 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maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6591158608310157, 1.6367072983965103, 1.677447052505432, 2.591836720526125, 2.335222091776466, 2.406007429022477]}}