{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:11.917832", "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-22_to_2021-Oct-26_50.5_-13.0"}, "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": 2021100002267}, "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 22 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 26 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": 75558.46247977376}, "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": ["Madagascar"]}, "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"]}, "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": -13.0}, "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": 50.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "50.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 46.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 50.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[51.25, -13.0], [51.03, -13.53], [50.5, -13.75], [50.25, -13.65], [50.0, -13.75], [49.47, -13.53], [49.3, -13.12], [49.18, -13.18], [49.15, -13.25], [49.25, -13.5], [49.03, -14.03], [48.5, -14.25], [48.25, -14.15], [48.0, -14.25], [47.47, -14.03], [47.32, -13.68], [46.97, -13.53], [46.75, -13.0], [46.88, -12.7], [46.75, -12.65], [46.5, -12.75], [46.25, -12.65], [46.0, -12.75], [45.47, -12.53], [45.25, -12.0], [45.35, -11.75], [45.25, -11.5], [45.35, -11.25], [45.25, -11.0], [45.47, -10.47], [46.0, -10.25], [46.5, -10.46], [47.0, -10.25], [47.25, -10.35], [47.5, -10.25], [47.75, -10.35], [48.0, -10.25], [48.25, -10.35], [48.5, -10.25], [49.03, -10.47], [49.25, -11.0], [49.15, -11.25], [49.18, -11.32], [49.25, -11.35], [49.5, -11.25], [50.03, -11.47], [50.18, -11.82], [50.53, -11.97], [50.68, -12.32], [51.03, -12.47], [51.25, -13.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "Madagascar"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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