{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:36.737494", "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": "2010-Apr-29_to_2010-May-01_289.0_-47.5"}, "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": 2010040002492}, "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": "April 29 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 01 2010"}, "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": 139436.05914973008}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": ["South Atlantic 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": -47.5}, "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": 289.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "289.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 287.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 293.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -51.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -47.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-04-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.75, -49.0], [-72.65, -48.75], [-72.68, -48.68], [-73.03, -48.53], [-73.25, -48.0], [-73.03, -47.47], [-72.5, -47.25], [-72.25, -47.35], [-72.18, -47.32], [-72.03, -46.97], [-71.5, -46.75], [-71.25, -46.85], [-71.0, -46.75], [-70.75, -46.85], [-70.5, -46.75], [-70.25, -46.85], [-70.0, -46.75], [-69.75, -46.85], [-69.5, -46.75], [-69.0, -46.96], [-68.5, -46.75], [-67.97, -46.97], [-67.82, -47.32], [-67.47, -47.47], [-67.32, -47.82], [-66.97, -47.97], [-66.82, -48.32], [-66.47, -48.47], [-66.25, -49.0], [-66.46, -49.5], [-66.25, -50.0], [-66.47, -50.53], [-67.0, -50.75], [-67.25, -50.65], [-67.5, -50.75], [-67.75, -50.65], [-67.82, -50.68], [-67.97, -51.03], [-68.5, -51.25], [-68.75, -51.15], [-68.82, -51.18], [-68.85, -51.25], [-68.75, -51.5], [-68.97, -52.03], [-69.5, -52.25], [-70.03, -52.03], [-70.18, -51.68], [-70.25, -51.65], [-70.5, -51.75], [-71.03, -51.53], [-71.18, -51.18], [-71.25, -51.15], [-71.5, -51.25], [-72.03, -51.03], [-72.18, -50.68], [-72.25, -50.65], [-72.5, -50.75], [-73.03, -50.53], [-73.25, -50.0], [-73.03, -49.47], [-72.68, -49.32], [-72.65, -49.25], [-72.75, -49.0]]]]}, "2010-04-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.75, -49.0], [-72.65, -48.75], [-72.68, -48.68], [-73.03, -48.53], [-73.25, -48.0], [-73.03, -47.47], [-72.5, -47.25], [-72.25, -47.35], [-72.18, -47.32], [-72.03, -46.97], [-71.5, -46.75], [-71.25, -46.85], [-71.0, -46.75], [-70.75, -46.85], [-70.5, -46.75], [-70.25, -46.85], [-70.0, -46.75], [-69.75, -46.85], [-69.5, -46.75], [-69.0, -46.96], [-68.5, -46.75], [-67.97, -46.97], [-67.82, -47.32], [-67.47, -47.47], [-67.32, -47.82], [-66.97, -47.97], [-66.82, -48.32], [-66.47, -48.47], [-66.25, -49.0], [-66.46, -49.5], [-66.25, -50.0], [-66.47, -50.53], [-67.0, -50.75], [-67.25, -50.65], [-67.5, -50.75], [-67.75, -50.65], [-67.82, -50.68], [-67.97, -51.03], [-68.5, -51.25], [-68.75, -51.15], [-68.82, -51.18], [-68.85, -51.25], [-68.75, -51.5], [-68.97, -52.03], [-69.5, -52.25], [-70.03, -52.03], [-70.18, -51.68], [-70.25, -51.65], [-70.5, -51.75], [-71.03, -51.53], [-71.18, -51.18], [-71.25, -51.15], [-71.5, -51.25], [-72.03, -51.03], [-72.18, -50.68], [-72.25, -50.65], [-72.5, -50.75], [-73.03, -50.53], [-73.25, -50.0], [-73.03, -49.47], [-72.68, -49.32], [-72.65, -49.25], [-72.75, -49.0]]]]}, "2010-05-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.75, -49.0], [-72.65, -48.75], [-72.68, -48.68], [-73.03, -48.53], [-73.25, -48.0], [-73.03, -47.47], [-72.5, -47.25], [-72.25, -47.35], [-72.18, -47.32], [-72.03, -46.97], [-71.5, -46.75], [-71.25, -46.85], [-71.0, -46.75], [-70.75, -46.85], [-70.5, -46.75], [-70.25, -46.85], [-70.0, -46.75], [-69.75, -46.85], [-69.5, -46.75], [-69.0, -46.96], [-68.5, -46.75], [-67.97, -46.97], [-67.82, -47.32], [-67.47, -47.47], [-67.32, -47.82], [-66.97, -47.97], [-66.82, -48.32], [-66.47, -48.47], [-66.25, -49.0], [-66.46, -49.5], [-66.25, -50.0], [-66.47, -50.53], [-67.0, -50.75], [-67.25, -50.65], [-67.5, -50.75], [-67.75, -50.65], [-67.82, -50.68], [-67.97, 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maximum t2m.", "value": [14.699191817413464, 18.39597672555641, 16.86464838984523]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.617522978232131, 6.788319205415622, 5.624304784635126]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.910614858762699, 8.965583728264448, 7.982529954010488]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7157634178694228, 2.474342116466109, 1.9953778966595939]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3319464142390465, 2.97211895095053, 2.7103349253898577]}}