{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:17.456965", "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": "2024-Oct-08_to_2024-Oct-12_292.0_-24.5"}, "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": 2024100000195}, "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 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 12 2024"}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 84615.60166019641}, "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": ["Argentina", "Chile"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "America"]}, "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": -24.5}, "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": 292.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "292.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 289.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 293.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -25.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -22.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-70.25, -23.85], [-70.18, -23.82], [-70.15, -23.75], [-70.18, -23.68], [-70.53, -23.53], [-70.75, -23.0], [-70.53, -22.47], [-70.18, -22.32], [-70.15, -22.25], [-70.25, -22.0], [-70.03, -21.47], [-69.5, -21.25], [-68.97, -21.47], [-68.82, -21.82], [-68.47, -21.97], [-68.32, -22.32], [-67.97, -22.47], [-67.82, -22.82], [-67.47, -22.97], [-67.32, -23.32], [-66.97, -23.47], [-66.75, -24.0], [-66.85, -24.25], [-66.82, -24.32], [-66.47, -24.47], [-66.25, -25.0], [-66.35, -25.25], [-66.25, -25.5], [-66.47, -26.03], [-67.0, -26.25], [-67.25, -26.15], [-67.5, -26.25], [-68.03, -26.03], [-68.18, -25.68], [-68.3, -25.62], [-68.47, -26.03], [-69.0, -26.25], [-69.53, -26.03], [-69.68, -25.68], [-70.0, -25.54], [-70.5, -25.75], [-71.03, -25.53], [-71.25, -25.0], [-71.15, -24.75], [-71.25, -24.5], [-71.03, -23.97], [-70.5, -23.75], [-70.25, -23.85]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.W.South-America", "S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.25, -24.5], [-71.02999999999997, -23.97], [-70.5, -23.75], [-70.25, -23.85], [-70.0, -23.75], [-69.47000000000003, -23.97], [-69.25, -24.5], [-69.47000000000003, -25.03], [-69.82, -25.18], [-69.97000000000003, -25.53], [-70.5, -25.75], [-71.02999999999997, -25.53], [-71.25, -25.0], [-71.14999999999998, -24.75], [-71.25, -24.5]]]]}, "2024-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.25, -24.5], [-71.02999999999997, -23.97], [-70.5, -23.75], [-70.25, -23.85], [-70.18, -23.82], [-70.14999999999998, -23.75], [-70.18, -23.68], [-70.52999999999997, -23.53], [-70.75, -23.0], [-70.52999999999997, -22.47], [-70.18, -22.32], [-70.14999999999998, -22.25], [-70.25, -22.0], [-70.02999999999997, -21.47], [-69.5, -21.25], [-68.97000000000003, -21.47], [-68.82, -21.82], [-68.47000000000003, -21.97], [-68.32, -22.32], [-67.97000000000003, -22.47], [-67.82, -22.82], 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