{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:18.228896", "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": "2014-Apr-21_to_2014-Apr-27_321.5_-11.0"}, "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": 2014040002254}, "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 21 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 27 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 103278.26485152623}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.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": -11.0}, "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": 321.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "321.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 319.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 323.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-04-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.5, -10.25], [-37.97, -10.47], [-37.75, -11.0], [-37.97, -11.53], [-38.5, -11.75], [-39.03, -11.53], [-39.25, -11.0], [-39.03, -10.47], [-38.5, -10.25]]]]}, "2014-04-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.25, -11.0], [-39.15, -10.75], [-39.25, -10.5], [-39.03, -9.97], [-38.5, -9.75], [-37.97, -9.97], [-37.75, -10.5], [-37.85, -10.75], [-37.82, -10.82], [-37.47, -10.97], [-37.25, -11.5], [-37.47, -12.03], [-37.82, -12.18], [-37.97, -12.53], [-38.5, -12.75], [-38.75, -12.65], [-39.0, -12.75], [-39.53, -12.53], [-39.75, -12.0], [-39.53, -11.47], [-39.18, -11.32], [-39.15, -11.25], [-39.25, -11.0]]]]}, "2014-04-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.75, -12.0], [-39.53, -11.47], [-39.18, -11.32], [-39.15, -11.25], [-39.25, -11.0], [-39.15, -10.75], [-39.25, -10.5], [-39.03, -9.97], [-38.5, -9.75], [-37.97, -9.97], [-37.82, -10.32], [-37.47, -10.47], [-37.25, -11.0], [-37.35, -11.25], [-37.25, -11.5], [-37.35, -11.75], [-37.25, -12.0], [-37.47, -12.53], [-37.82, -12.68], [-37.97, -13.03], [-38.5, -13.25], [-39.03, -13.03], [-39.18, -12.68], [-39.53, -12.53], [-39.75, -12.0]]]]}, "2014-04-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.53, -9.47], [-40.0, -9.25], [-39.47, -9.47], [-39.32, -9.82], [-39.25, -9.85], [-39.18, -9.82], [-39.03, -9.47], [-38.68, -9.32], [-38.53, -8.97], [-38.0, -8.75], [-37.75, -8.85], [-37.5, -8.75], [-37.25, -8.85], [-37.0, -8.75], [-36.75, -8.85], [-36.5, -8.75], [-35.97, -8.97], [-35.75, -9.5], [-35.97, -10.03], [-36.32, -10.18], [-36.35, -10.25], [-36.25, -10.5], [-36.46, -11.0], [-36.25, -11.5], [-36.47, -12.03], [-37.0, -12.25], [-37.3, -12.12], [-37.47, -12.53], [-37.82, -12.68], [-37.97, -13.03], [-38.5, -13.25], [-39.0, -13.04], [-39.5, -13.25], [-39.75, -13.15], [-40.0, -13.25], [-40.53, -13.03], [-40.75, -12.5], [-40.53, -11.97], [-40.12, -11.8], [-40.25, -11.5], [-40.15, -11.25], [-40.18, -11.18], [-40.53, -11.03], [-40.75, -10.5], [-40.65, -10.25], [-40.75, -10.0], [-40.53, -9.47]]]]}, 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"description": "The daily evolution of maximum t2m.", "value": [27.794842291775524, 27.7664311963145, 27.857068767160285, 28.606179797753555, 28.766378230040743, 28.965487510459127, 26.687736017560326]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.227613649823354, 1.408579617780087, 1.418540771510954, 1.6439746776098332, 1.7509465618023778, 1.6437704534476125, 1.5233817099290548]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.227613649823354, 1.7456479321730853, 1.615868031047512, 2.468071630196846, 2.567618775199378, 2.1323704669147787, 1.7510298756319571]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4195980554429959, 1.526616422461995, 1.5638815244001327, 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