{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:11:08.353302", "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": "2020-Jan-09_to_2020-Jan-12_301.5_-17.0"}, "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": 2020010001613}, "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": "January 09 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 12 2020"}, "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": 103132.76681290509}, "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": ["Bolivia, Plurinational State of", "Brazil"]}, "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": -17.0}, "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": 301.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "301.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 300.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 303.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -16.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-60.53, -15.47], [-60.0, -15.25], [-59.47, -15.47], [-59.323, -15.823], [-59.25, -15.854], [-59.177, -15.823], [-59.03, 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describing the boundary of the event at each time step", "value": {"2020-01-09T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-59.25, -17.0], [-59.03033008588989, -16.46966991411009], [-58.5, -16.25], [-57.96966991411011, -16.46966991411009], [-57.75, -17.0], [-57.96966991411011, -17.53033008588991], [-58.5, -17.75], [-59.03033008588989, -17.53033008588991], [-59.25, -17.0]]]}, "2020-01-10T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-60.17677669529661, -16.67677669529664], [-60.53033008588989, -16.53033008588991], [-60.75, -16.0], [-60.53033008588989, -15.469669914110089], [-60.0, -15.25], [-59.46966991411011, -15.469669914110089], [-59.32322330470339, -15.823223304703363], [-59.25, -15.853553390593278], [-59.17677669529661, -15.823223304703363], [-59.03033008588989, -15.469669914110089], [-58.5, -15.25], [-58.25, -15.353553390593278], [-58.0, -15.25], [-57.46966991411011, -15.469669914110089], [-57.32322330470339, -15.823223304703363], [-57.25, 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31.60724775707166]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.027236241598189, 2.4795967517474002, 2.968404148046698, 2.656954603088858]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.027236241598189, 3.2626732830170226, 4.320029451058247, 3.1730217787670085]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4476934237568342, 1.6514533711442705, 1.8978810520585874, 1.6622103570652769]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4476934237568342, 2.3019492393459258, 2.497539197582071, 2.1526686617845963]}}