{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:47.353564", "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": "2022-Feb-16_to_2022-Feb-18_290.0_-28.5"}, "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": 2022020002024}, "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": "February 16 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 18 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 58612.48799563147}, "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": -28.5}, "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": 290.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 290.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 292.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -28.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -23.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-70.15, -27.25], [-70.25, -27.0], [-70.15, -26.75], [-70.25, -26.5], [-70.03, -25.97], [-69.68, -25.82], [-69.65, -25.75], [-69.75, -25.5], [-69.53, -24.97], [-69.12, -24.8], [-69.25, -24.5], [-69.03, -23.97], [-68.68, -23.82], [-68.65, -23.75], [-68.75, -23.5], [-68.65, -23.25], [-68.75, -23.0], [-68.53, -22.47], [-68.0, -22.25], [-67.75, -22.35], [-67.5, -22.25], [-66.97, -22.47], [-66.75, -23.0], [-66.85, -23.25], [-66.75, -23.5], [-66.85, -23.75], [-66.75, -24.0], [-66.85, -24.25], [-66.75, -24.5], [-66.97, -25.03], [-67.32, -25.18], [-67.47, -25.53], [-67.82, -25.68], [-67.85, -25.75], [-67.75, -26.0], [-67.97, -26.53], [-68.32, -26.68], [-68.35, -26.75], [-68.25, -27.0], [-68.47, -27.53], [-68.82, -27.68], [-68.85, -27.75], [-68.75, -28.0], [-68.97, -28.53], [-69.32, -28.68], [-69.47, -29.03], [-70.0, -29.25], [-70.53, -29.03], [-70.75, -28.5], [-70.53, -27.97], [-70.18, -27.82], [-70.15, -27.75], [-70.25, -27.5], [-70.15, -27.25]]]]}}, "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": {"2022-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.14999999999998, -27.75], [-70.25, -27.5], [-70.14999999999998, -27.25], [-70.25, -27.0], [-70.14999999999998, -26.75], [-70.25, -26.5], [-70.02999999999997, -25.97], [-69.68, -25.82], [-69.64999999999998, -25.75], [-69.75, -25.5], [-69.52999999999997, -24.97], [-69.12, -24.8], [-69.25, -24.5], [-69.02999999999997, -23.97], [-68.68, -23.82], [-68.64999999999998, -23.75], [-68.75, -23.5], [-68.64999999999998, -23.25], [-68.75, -23.0], [-68.52999999999997, -22.47], [-68.0, -22.25], [-67.75, -22.35], [-67.5, -22.25], [-66.97000000000003, -22.47], [-66.75, -23.0], [-66.85000000000002, -23.25], [-66.75, -23.5], [-66.85000000000002, -23.75], [-66.75, -24.0], [-66.85000000000002, -24.25], [-66.75, -24.5], [-66.97000000000003, -25.03], [-67.32, -25.18], [-67.47000000000003, -25.53], [-67.82, -25.68], [-67.85000000000002, -25.75], [-67.75, -26.0], [-67.97000000000003, -26.53], [-68.32, -26.68], [-68.35000000000002, -26.75], [-68.25, -27.0], [-68.47000000000003, -27.53], [-68.82, -27.68], [-68.85000000000002, -27.75], [-68.75, -28.0], [-68.97000000000003, -28.53], [-69.32, -28.68], [-69.47000000000003, -29.03], [-70.0, -29.25], [-70.52999999999997, -29.03], [-70.75, -28.5], [-70.52999999999997, -27.97], [-70.18, -27.82], [-70.14999999999998, -27.75]]]]}, "2022-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.14999999999998, -27.75], [-70.25, -27.5], [-70.14999999999998, -27.25], [-70.25, -27.0], [-70.14999999999998, -26.75], [-70.25, -26.5], [-70.02999999999997, -25.97], [-69.68, -25.82], [-69.64999999999998, -25.75], [-69.75, -25.5], [-69.52999999999997, -24.97], [-69.12, -24.8], [-69.25, -24.5], [-69.02999999999997, -23.97], [-68.68, -23.82], [-68.64999999999998, -23.75], [-68.75, -23.5], [-68.64999999999998, -23.25], [-68.75, -23.0], [-68.52999999999997, -22.47], [-68.0, -22.25], [-67.75, -22.35], [-67.5, -22.25], [-66.97000000000003, -22.47], [-66.75, -23.0], [-66.85000000000002, -23.25], [-66.75, -23.5], [-66.85000000000002, -23.75], [-66.75, -24.0], [-66.85000000000002, -24.25], [-66.75, -24.5], [-66.97000000000003, -25.03], [-67.32, -25.18], [-67.47000000000003, -25.53], [-67.82, -25.68], [-67.85000000000002, -25.75], [-67.75, -26.0], [-67.97000000000003, -26.53], [-68.32, -26.68], [-68.35000000000002, -26.75], [-68.25, -27.0], [-68.47000000000003, -27.53], [-68.82, -27.68], [-68.85000000000002, -27.75], [-68.75, -28.0], [-68.97000000000003, -28.53], [-69.32, -28.68], [-69.47000000000003, -29.03], [-70.0, -29.25], [-70.52999999999997, -29.03], [-70.75, -28.5], [-70.52999999999997, -27.97], [-70.18, -27.82], [-70.14999999999998, -27.75]]]]}, "2022-02-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.14999999999998, -27.75], [-70.25, -27.5], [-70.14999999999998, -27.25], [-70.25, -27.0], 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"anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.692969539277101, 3.6431638554504957, 3.5118905921714827]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6712949851742172, 1.5877566976824995, 1.426041469275136]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9294881519342317, 1.872102239458228, 1.8229882112191773]}}