{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:16:01.932896", "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-Nov-30_to_2021-Dec-05_57.5_-4.5"}, "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": 2021110002780}, "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": "November 30 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 05 2021"}, "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": 113895.45465600875}, "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": ["Seychelles"]}, "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": ["Indian Ocean", "Seychelles"]}, "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": -4.5}, "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": 57.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "57.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 55.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 60.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[60.75, -6.5], [60.53, -7.03], [60.18, -7.18], [60.03, -7.53], [59.5, -7.75], [59.25, -7.65], [59.0, -7.75], [58.47, -7.53], [58.32, -7.18], [57.97, -7.03], [57.82, -6.68], [57.47, -6.53], [57.32, -6.18], [57.25, -6.15], [57.0, -6.25], [56.47, -6.03], [56.32, -5.68], [56.25, -5.65], [56.0, -5.75], [55.75, -5.65], [55.5, -5.75], [54.97, -5.53], [54.75, -5.0], [54.97, -4.47], [55.5, -4.25], [55.75, -4.35], [55.82, -4.32], [55.97, -3.97], [56.5, -3.75], [56.75, -3.85], [56.82, -3.82], [56.97, -3.47], [57.32, -3.32], [57.47, -2.97], [58.0, -2.75], [58.25, -2.85], [58.5, -2.75], [59.03, -2.97], [59.18, -3.32], [59.25, -3.35], [59.5, -3.25], [60.03, -3.47], [60.25, -4.0], [60.15, -4.25], [60.25, -4.5], [60.03, -5.03], [59.68, -5.18], [59.65, -5.25], [59.68, -5.32], [60.03, -5.47], [60.18, -5.82], [60.53, -5.97], [60.75, -6.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Indian-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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