{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:26:46.850117", "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": "2021-Jul-24_to_2021-Jul-26_307.5_-29.5"}, "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": 2021070002878}, "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": "July 24 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 26 2021"}, "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": 115093.29741164054}, "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", "Brazil", "Paraguay"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": -29.5}, "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": 307.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "307.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 302.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 307.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -29.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -25.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-58.03, -25.47], [-57.5, -25.25], [-57.25, -25.354], [-57.177, -25.323], [-57.03, -24.97], [-56.5, -24.75], [-55.97, -24.97], [-55.823, -25.323], [-55.47, -25.47], [-55.323, -25.823], [-55.198, -25.875], [-55.03, -25.47], [-54.5, -25.25], [-54.25, -25.354], [-54.0, -25.25], [-53.47, -25.47], [-53.323, -25.823], [-52.97, -25.97], [-52.75, -26.5], [-52.97, -27.03], [-53.375, -27.198], [-53.323, -27.323], [-52.97, -27.47], [-52.823, -27.823], [-52.75, -27.854], [-52.5, -27.75], [-51.97, -27.97], [-51.75, -28.5], [-51.957, -29.0], [-51.75, -29.5], [-51.97, -30.03], [-52.5, -30.25], [-52.75, -30.146], [-53.0, -30.25], [-53.25, -30.146], [-53.5, -30.25], [-53.75, -30.146], [-54.0, -30.25], [-54.25, -30.146], [-54.5, -30.25], [-55.03, -30.03], [-55.25, -29.5], [-55.146, -29.25], [-55.25, -29.0], [-55.146, -28.75], [-55.177, -28.677], [-55.53, -28.53], [-55.677, -28.177], [-56.03, -28.03], [-56.177, -27.677], [-56.25, -27.646], [-56.5, -27.75], [-56.75, -27.646], [-57.0, -27.75], [-57.53, -27.53], [-57.677, -27.177], [-58.03, -27.03], [-58.25, -26.5], [-58.146, -26.25], [-58.25, -26.0], [-58.03, -25.47]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-07-24T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-58.14644660940672, -26.25], [-58.25, -26.0], [-58.03033008588989, -25.46966991411009], [-57.5, -25.25], [-57.25, -25.353553390593277], [-57.17677669529661, -25.32322330470336], [-57.03033008588989, -24.96966991411009], [-56.5, -24.75], [-55.96966991411011, -24.96966991411009], [-55.82322330470339, -25.32322330470336], [-55.46966991411011, -25.46966991411009], [-55.32322330470339, -25.82322330470336], [-55.19822330470333, -25.875000000000007], [-55.03033008588989, -25.46966991411009], [-54.5, -25.25], [-54.25, -25.353553390593277], [-54.0, -25.25], [-53.46966991411011, -25.46966991411009], [-53.32322330470339, -25.82322330470336], [-52.96966991411011, 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t2m anomalies.", "value": [6.9620183676905, 8.511678067305269, 7.471091072958245]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.166445893199466, 10.312492625645234, 8.831727815717613]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4736171144696837, 1.8337012785582556, 1.6109626250379336]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.610313847878474, 2.2345833788732086, 1.8020623474748996]}}