{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:39.538128", "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-Dec-15_to_2024-Dec-17_287.5_-46.0"}, "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": 2024120001649}, "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": "December 15 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 17 2024"}, "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": 90362.15393302246}, "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": -46.0}, "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": 287.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -46.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -42.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-74.18, -44.82], [-74.03, -44.47], [-73.68, -44.32], [-73.53, -43.97], [-73.18, -43.82], [-73.15, -43.75], [-73.25, -43.5], [-73.15, -43.25], [-73.25, -43.0], [-73.15, -42.75], [-73.25, -42.5], [-73.03, -41.97], [-72.5, -41.75], [-71.97, -41.97], [-71.82, -42.32], [-71.47, -42.47], [-71.32, -42.82], [-71.25, -42.85], [-71.0, -42.75], [-70.75, -42.85], [-70.5, -42.75], [-70.25, -42.85], [-70.0, -42.75], [-69.47, -42.97], [-69.32, -43.32], [-69.25, -43.35], [-69.0, -43.25], [-68.47, -43.47], [-68.25, -44.0], [-68.35, -44.25], [-68.25, -44.5], [-68.47, -45.03], [-69.0, -45.25], [-69.25, -45.15], [-69.5, -45.25], [-69.75, -45.15], [-70.0, -45.25], [-70.25, -45.15], [-70.32, -45.18], [-70.47, -45.53], [-71.0, -45.75], [-71.25, -45.65], [-71.37, -45.7], [-71.25, -46.0], [-71.47, -46.53], [-72.0, -46.75], [-72.25, -46.65], [-72.32, -46.68], [-72.47, -47.03], [-73.0, -47.25], [-73.53, -47.03], [-73.68, -46.68], [-73.75, -46.65], [-74.0, -46.75], [-74.53, -46.53], [-74.75, -46.0], [-74.65, -45.75], [-74.75, -45.5], [-74.53, -44.97], [-74.18, -44.82]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.W.South-America", "S.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-12-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.75, -45.5], [-74.52999999999997, -44.97], [-74.18, -44.82], [-74.02999999999997, -44.47], [-73.68, -44.32], [-73.52999999999997, -43.97], [-73.18, -43.82], [-73.14999999999998, -43.75], [-73.25, -43.5], [-73.14999999999998, -43.25], [-73.25, -43.0], [-73.14999999999998, -42.75], [-73.25, -42.5], [-73.02999999999997, -41.97], [-72.5, -41.75], [-71.97000000000003, -41.97], [-71.82, -42.32], [-71.47000000000003, -42.47], [-71.32, -42.82], [-71.25, -42.85], [-71.0, -42.75], [-70.75, -42.85], [-70.5, -42.75], [-70.25, -42.85], [-70.0, -42.75], [-69.47000000000003, -42.97], [-69.32, -43.32], [-69.25, -43.35], [-69.0, -43.25], [-68.47000000000003, -43.47], [-68.25, -44.0], [-68.35000000000002, -44.25], [-68.25, -44.5], [-68.47000000000003, -45.03], [-69.0, -45.25], [-69.25, -45.15], [-69.5, -45.25], [-69.75, -45.15], [-70.0, -45.25], [-70.25, -45.15], [-70.32, -45.18], [-70.47000000000003, -45.53], [-71.0, -45.75], [-71.25, -45.65], [-71.37, -45.7], [-71.25, -46.0], [-71.47000000000003, -46.53], [-72.0, -46.75], [-72.25, -46.65], [-72.32, -46.68], [-72.47000000000003, -47.03], [-73.0, -47.25], [-73.52999999999997, -47.03], [-73.68, -46.68], [-73.75, -46.65], [-74.0, -46.75], [-74.52999999999997, -46.53], [-74.75, -46.0], [-74.64999999999998, -45.75], [-74.75, -45.5]]]]}, "2024-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.75, -45.5], [-74.52999999999997, -44.97], [-74.18, -44.82], [-74.02999999999997, -44.47], [-73.68, -44.32], [-73.52999999999997, -43.97], [-73.18, -43.82], [-73.14999999999998, -43.75], [-73.25, -43.5], [-73.14999999999998, -43.25], [-73.25, -43.0], [-73.14999999999998, -42.75], [-73.25, -42.5], 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-45.75], [-71.25, -45.65], [-71.37, -45.7], [-71.25, -46.0], [-71.47000000000003, -46.53], [-72.0, -46.75], [-72.25, -46.65], [-72.32, -46.68], [-72.47000000000003, -47.03], [-73.0, -47.25], [-73.52999999999997, -47.03], [-73.68, -46.68], [-73.75, -46.65], [-74.0, -46.75], [-74.52999999999997, -46.53], [-74.75, -46.0], [-74.64999999999998, -45.75], [-74.75, -45.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.42095811400958}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.801198202334569}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.052675858164264, 18.38643414257018, 15.992981056275426]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.260886128743493, 25.049244181315146, 23.87457682291671]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.951491322325652, 7.3818896378923675, 5.070213646785692]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.932814174748728, 9.42095811400958, 6.934091037358542]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5986952734764521, 2.5414293277736406, 1.7995012320078732]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0601787177380833, 3.473488542526708, 2.6091261628899796]}}