{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:08.716137", "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": "2021-Oct-17_to_2021-Oct-21_343.5_28.0"}, "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": 2021100002034}, "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 17 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 21 2021"}, "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": 132277.78370505833}, "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": ["Spain"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe"]}, "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": ["Atlantic Ocean", "Canary Ridge", "Saharan"]}, "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": 28.0}, "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": 340.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 344.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 25.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-20.53, 27.03], [-20.18, 27.18], [-20.03, 27.53], [-19.68, 27.68], [-19.65, 27.75], [-19.75, 28.0], [-19.53, 28.53], [-19.18, 28.68], [-19.03, 29.03], [-18.5, 29.25], [-18.25, 29.15], [-18.0, 29.25], [-17.5, 29.04], [-17.0, 29.25], [-16.75, 29.15], [-16.5, 29.25], [-15.97, 29.03], [-15.82, 28.68], [-15.75, 28.65], [-15.5, 28.75], [-14.97, 28.53], [-14.75, 28.0], [-14.85, 27.75], [-14.75, 27.5], [-14.97, 26.97], [-15.32, 26.82], [-15.37, 26.7], [-14.97, 26.53], [-14.75, 26.0], [-14.97, 25.47], [-15.5, 25.25], [-15.75, 25.35], [-16.0, 25.25], [-16.53, 25.47], [-16.68, 25.82], [-17.03, 25.97], [-17.18, 26.32], [-17.25, 26.35], [-17.32, 26.32], [-17.35, 26.25], [-17.25, 26.0], [-17.47, 25.47], [-17.82, 25.32], [-17.85, 25.25], [-17.75, 25.0], [-17.97, 24.47], [-18.5, 24.25], [-18.75, 24.35], [-19.0, 24.25], [-19.25, 24.35], [-19.5, 24.25], [-20.03, 24.47], [-20.18, 24.82], [-20.53, 24.97], [-20.75, 25.5], [-20.65, 25.75], [-20.75, 26.0], [-20.65, 26.25], [-20.75, 26.5], [-20.53, 27.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara", 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