{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:37.742965", "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-14_to_2024-Dec-17_286.5_-51.0"}, "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": 2024120001598}, "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 14 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": 4}, "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": 182032.28660978482}, "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": -51.0}, "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": 286.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "286.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 284.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -53.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -47.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-75.5, -47.25], [-75.25, -47.35], [-75.0, -47.25], [-74.75, -47.35], [-74.68, -47.32], [-74.53, -46.97], [-74.0, -46.75], [-73.75, -46.85], [-73.5, -46.75], [-73.25, -46.85], [-73.0, -46.75], [-72.75, -46.85], [-72.5, -46.75], [-71.97, -46.97], [-71.75, -47.5], [-71.87, -47.8], [-71.47, -47.97], [-71.32, -48.32], [-71.25, -48.35], [-71.0, -48.25], [-70.75, -48.35], [-70.5, -48.25], [-70.25, -48.35], [-70.0, -48.25], [-69.5, -48.46], [-69.0, -48.25], [-68.75, -48.35], [-68.5, -48.25], [-67.97, -48.47], [-67.75, -49.0], [-67.85, -49.25], [-67.75, -49.5], [-67.97, -50.03], [-68.32, -50.18], [-68.46, -50.5], [-68.25, -51.0], [-68.47, -51.53], [-69.0, -51.75], [-69.53, -51.53], [-69.68, -51.18], [-69.75, -51.15], [-69.82, -51.18], [-69.97, -51.53], [-70.5, -51.75], [-70.75, -51.65], [-71.0, -51.75], [-71.25, -51.65], [-71.32, -51.68], [-71.35, -51.75], [-71.32, -51.82], [-70.97, -51.97], [-70.75, -52.5], [-70.97, -53.03], [-71.32, -53.18], [-71.47, -53.53], [-71.82, -53.68], [-71.97, -54.03], [-72.5, -54.25], [-72.75, -54.15], [-73.0, -54.25], [-73.53, -54.03], [-73.68, -53.68], [-74.03, -53.53], [-74.25, -53.0], [-74.15, -52.75], [-74.25, -52.5], [-74.15, -52.25], [-74.18, -52.18], [-74.53, -52.03], [-74.68, -51.68], [-75.03, -51.53], [-75.25, -51.0], [-75.15, -50.75], [-75.25, -50.5], [-75.15, -50.25], [-75.18, -50.18], [-75.53, -50.03], [-75.68, -49.68], [-76.03, -49.53], [-76.25, -49.0], [-76.15, -48.75], [-76.25, -48.5], [-76.15, -48.25], [-76.25, -48.0], [-76.03, -47.47], [-75.5, -47.25]], [[-73.32, -48.32], [-73.2, -48.37], [-73.12, -48.2], [-73.25, -48.15], [-73.32, -48.18], [-73.35, -48.25], [-73.32, -48.32]]]]}}, "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": {"2024-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.14999999999998, -48.25], [-76.25, -48.0], [-76.02999999999997, -47.47], [-75.5, -47.25], [-75.25, -47.35], [-75.0, -47.25], [-74.75, -47.35], [-74.5, -47.25], [-74.25, -47.35], [-74.0, -47.25], [-73.47000000000003, -47.47], [-73.25, -48.0], [-73.35000000000002, -48.25], [-73.32, -48.32], [-72.97000000000003, -48.47], [-72.75, -49.0], [-72.85000000000002, -49.25], [-72.82, -49.32], [-72.75, -49.35], [-72.5, -49.25], [-72.25, -49.35], [-72.0, -49.25], [-71.47000000000003, -49.47], [-71.25, -50.0], [-71.47000000000003, -50.53], [-71.82, -50.68], [-71.85000000000002, -50.75], [-71.75, -51.0], [-71.85000000000002, -51.25], [-71.75, -51.5], [-71.85000000000002, -51.75], [-71.75, -52.0], [-71.87, -52.3], [-71.47000000000003, -52.47], [-71.25, -53.0], [-71.47000000000003, -53.53], [-71.82, -53.68], [-71.97000000000003, -54.03], [-72.5, -54.25], [-73.02999999999997, -54.03], [-73.18, -53.68], [-73.25, -53.65], [-73.5, -53.75], [-74.02999999999997, -53.53], [-74.25, -53.0], [-74.14999999999998, -52.75], [-74.25, -52.5], [-74.04000000000002, -52.0], [-74.18, -51.68], [-74.25, -51.65], [-74.5, -51.75], [-75.02999999999997, -51.53], [-75.25, -51.0], [-75.14999999999998, -50.75], [-75.25, -50.5], [-75.14999999999998, -50.25], [-75.18, -50.18], [-75.52999999999997, -50.03], [-75.68, -49.68], [-76.02999999999997, -49.53], [-76.25, -49.0], [-76.14999999999998, -48.75], [-76.25, -48.5], [-76.14999999999998, -48.25]]], [[[-70.25, -50.5], [-70.02999999999997, -49.97], [-69.68, -49.82], [-69.52999999999997, -49.47], [-69.0, -49.25], [-68.47000000000003, -49.47], [-68.25, -50.0], [-68.45999999999998, -50.5], [-68.25, -51.0], [-68.47000000000003, -51.53], [-69.0, -51.75], [-69.52999999999997, -51.53], [-69.68, -51.18], [-70.02999999999997, -51.03], [-70.25, -50.5]]]]}, "2024-12-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.25, -48.5], [-76.14999999999998, -48.25], [-76.25, -48.0], [-76.02999999999997, -47.47], [-75.5, -47.25], [-75.25, -47.35], [-75.0, -47.25], [-74.75, -47.35], [-74.68, -47.32], [-74.52999999999997, -46.97], [-74.0, -46.75], [-73.75, -46.85], [-73.5, -46.75], [-73.25, -46.85], [-73.0, -46.75], [-72.75, -46.85], [-72.5, -46.75], [-71.97000000000003, -46.97], [-71.75, -47.5], [-71.87, -47.8], [-71.47000000000003, -47.97], [-71.32, -48.32], [-71.25, -48.35], [-71.0, -48.25], [-70.75, -48.35], [-70.5, -48.25], [-70.25, -48.35], [-70.0, -48.25], [-69.5, -48.46], [-69.0, -48.25], [-68.75, -48.35], [-68.5, -48.25], [-67.97000000000003, -48.47], [-67.75, -49.0], [-67.85000000000002, -49.25], [-67.75, -49.5], [-67.97000000000003, -50.03], [-68.32, -50.18], [-68.45999999999998, -50.5], [-68.25, -51.0], [-68.47000000000003, -51.53], [-69.0, -51.75], [-69.52999999999997, -51.53], [-69.68, -51.18], [-69.75, -51.15], [-69.82, -51.18], [-69.97000000000003, -51.53], [-70.5, -51.75], [-70.75, -51.65], [-71.0, -51.75], [-71.25, -51.65], [-71.32, -51.68], [-71.35000000000002, -51.75], [-71.32, -51.82], [-70.97000000000003, -51.97], [-70.75, -52.5], [-70.97000000000003, -53.03], [-71.32, -53.18], [-71.47000000000003, -53.53], [-71.82, -53.68], [-71.97000000000003, -54.03], [-72.5, -54.25], [-72.75, -54.15], [-73.0, -54.25], [-73.52999999999997, -54.03], [-73.68, -53.68], [-74.02999999999997, -53.53], [-74.25, -53.0], [-74.14999999999998, -52.75], [-74.25, -52.5], [-74.14999999999998, -52.25], [-74.18, -52.18], [-74.52999999999997, -52.03], [-74.68, -51.68], [-75.02999999999997, -51.53], [-75.25, -51.0], [-75.14999999999998, -50.75], [-75.25, -50.5], [-75.14999999999998, -50.25], [-75.18, -50.18], [-75.52999999999997, -50.03], [-75.68, -49.68], [-76.02999999999997, -49.53], [-76.25, -49.0], [-76.14999999999998, -48.75], [-76.25, -48.5]], [[-73.19999999999999, -48.38], [-73.12, -48.2], [-73.25, -48.15], [-73.32, -48.18], [-73.35000000000002, -48.25], [-73.32, -48.32], [-73.19999999999999, -48.38]]]]}, "2024-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.25, -48.5], [-76.14999999999998, -48.25], [-76.25, -48.0], [-76.02999999999997, -47.47], [-75.5, -47.25], [-75.25, -47.35], [-75.0, -47.25], [-74.75, -47.35], [-74.68, -47.32], [-74.52999999999997, -46.97], [-74.0, -46.75], [-73.75, -46.85], [-73.5, -46.75], [-73.25, -46.85], [-73.0, -46.75], [-72.75, -46.85], [-72.5, -46.75], [-71.97000000000003, -46.97], [-71.75, -47.5], [-71.87, -47.8], [-71.47000000000003, -47.97], [-71.32, -48.32], [-71.25, -48.35], [-71.0, -48.25], [-70.75, -48.35], [-70.5, -48.25], [-70.25, -48.35], [-70.0, -48.25], [-69.5, -48.46], [-69.0, -48.25], [-68.75, -48.35], [-68.5, -48.25], [-67.97000000000003, -48.47], [-67.75, -49.0], [-67.85000000000002, -49.25], [-67.75, -49.5], [-67.97000000000003, -50.03], [-68.32, -50.18], [-68.45999999999998, -50.5], [-68.25, -51.0], [-68.47000000000003, -51.53], [-69.0, -51.75], [-69.52999999999997, -51.53], [-69.68, -51.18], [-69.75, -51.15], [-69.82, -51.18], [-69.97000000000003, -51.53], [-70.5, -51.75], [-70.75, -51.65], [-71.0, -51.75], [-71.25, -51.65], [-71.32, -51.68], [-71.35000000000002, -51.75], [-71.32, -51.82], [-70.97000000000003, -51.97], [-70.75, -52.5], [-70.97000000000003, -53.03], [-71.32, -53.18], [-71.47000000000003, -53.53], [-71.82, -53.68], [-71.97000000000003, -54.03], [-72.5, -54.25], [-72.75, -54.15], [-73.0, -54.25], [-73.52999999999997, -54.03], [-73.68, -53.68], [-74.02999999999997, -53.53], [-74.25, -53.0], [-74.14999999999998, -52.75], [-74.25, -52.5], [-74.14999999999998, -52.25], [-74.18, -52.18], [-74.52999999999997, -52.03], [-74.68, -51.68], [-75.02999999999997, -51.53], [-75.25, -51.0], [-75.14999999999998, -50.75], [-75.25, -50.5], [-75.14999999999998, -50.25], [-75.18, -50.18], [-75.52999999999997, -50.03], [-75.68, -49.68], [-76.02999999999997, -49.53], [-76.25, -49.0], [-76.14999999999998, -48.75], [-76.25, -48.5]], [[-73.19999999999999, -48.38], [-73.12, -48.2], [-73.25, -48.15], [-73.32, -48.18], [-73.35000000000002, -48.25], [-73.32, -48.32], [-73.19999999999999, -48.38]]]]}, "2024-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.25, -49.5], [-75.14999999999998, -49.25], [-75.25, -49.0], [-75.14999999999998, -48.75], [-75.25, -48.5], [-75.02999999999997, -47.97], [-74.68, -47.82], [-74.64999999999998, -47.75], [-74.75, -47.5], [-74.52999999999997, -46.97], [-74.0, -46.75], [-73.75, -46.85], [-73.5, -46.75], [-73.25, -46.85], [-73.0, -46.75], [-72.75, -46.85], [-72.5, -46.75], [-71.97000000000003, -46.97], [-71.75, -47.5], [-71.87, -47.8], [-71.47000000000003, -47.97], [-71.32, -48.32], [-71.25, -48.35], [-71.0, -48.25], [-70.75, -48.35], [-70.5, -48.25], [-70.25, -48.35], [-70.0, -48.25], [-69.5, -48.46], [-69.0, -48.25], [-68.75, -48.35], [-68.5, -48.25], [-67.97000000000003, -48.47], [-67.75, -49.0], [-67.85000000000002, -49.25], [-67.75, -49.5], [-67.97000000000003, -50.03], [-68.32, -50.18], [-68.45999999999998, -50.5], [-68.25, -51.0], [-68.47000000000003, -51.53], [-69.0, -51.75], [-69.52999999999997, -51.53], [-69.68, -51.18], [-69.75, -51.15], [-69.82, -51.18], [-69.97000000000003, -51.53], [-70.5, -51.75], [-70.75, -51.65], [-71.0, -51.75], [-71.25, -51.65], [-71.32, -51.68], [-71.35000000000002, -51.75], [-71.32, -51.82], [-70.97000000000003, -51.97], [-70.75, -52.5], [-70.97000000000003, -53.03], [-71.32, -53.18], [-71.47000000000003, -53.53], [-71.82, -53.68], [-71.97000000000003, -54.03], [-72.5, -54.25], [-72.75, -54.15], [-73.0, -54.25], [-73.52999999999997, -54.03], [-73.68, -53.68], [-74.02999999999997, -53.53], [-74.25, -53.0], [-74.14999999999998, -52.75], [-74.25, -52.5], [-74.14999999999998, -52.25], [-74.18, -52.18], [-74.52999999999997, -52.03], [-74.75, -51.5], [-74.64999999999998, -51.25], [-74.75, -51.0], [-74.64999999999998, -50.75], [-74.68, -50.68], [-75.02999999999997, -50.53], [-75.25, -50.0], [-75.14999999999998, -49.75], [-75.25, -49.5]], [[-73.19999999999999, -48.38], [-73.12, -48.2], [-73.25, -48.15], [-73.32, -48.18], [-73.35000000000002, -48.25], [-73.32, -48.32], [-73.19999999999999, -48.38]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.471952407468166}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.38111544630003}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.300473232545698, 12.205303446451808, 14.468684851605019, 13.329790912411113]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.467132822672568, 20.356100972493493, 21.793140665690146, 24.037988281250023]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.0070197451122813, 3.4016364222389286, 5.76577765856214, 4.697353848009105]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.65313009635463, 4.642839193178702, 8.193105162963207, 8.471952407468166]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5168648738836255, 1.5033195310843368, 2.603631285689682, 1.9995895128422625]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0471205858654598, 2.0635177164775667, 3.454651179590995, 2.8210539278359903]}}