{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:48.113490", "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": "2017-Aug-24_to_2017-Aug-26_302.0_-26.5"}, "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": 2017080002674}, "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": "August 24 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 26 2017"}, "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": 152876.67742637193}, "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", "Paraguay"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": []}, "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": -26.5}, "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": 302.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "302.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 298.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 303.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -26.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -21.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.65, -21.75], [-61.75, -21.5], [-61.53, -20.97], [-61.0, -20.75], [-60.75, -20.85], [-60.5, -20.75], [-60.25, -20.85], [-60.0, -20.75], [-59.75, -20.85], [-59.5, -20.75], [-59.25, -20.85], [-59.0, -20.75], [-58.47, -20.97], [-58.32, -21.32], [-57.97, -21.47], [-57.82, -21.82], [-57.47, -21.97], [-57.25, -22.5], [-57.35, -22.75], [-57.32, -22.82], [-56.97, -22.97], [-56.82, -23.32], [-56.47, -23.47], [-56.25, -24.0], [-56.35, -24.25], [-56.32, -24.32], [-55.97, -24.47], [-55.75, -25.0], [-55.97, -25.53], [-56.32, -25.68], [-56.47, -26.03], [-56.82, -26.18], [-56.85, -26.25], [-56.75, -26.5], [-56.97, -27.03], [-57.5, -27.25], [-57.75, -27.15], [-58.0, -27.25], [-58.53, -27.03], [-58.75, -26.5], [-58.65, -26.25], [-58.68, -26.18], [-59.03, -26.03], [-59.18, -25.68], [-59.53, -25.53], [-59.75, -25.0], [-59.65, -24.75], [-59.68, -24.68], [-60.03, -24.53], [-60.25, -24.0], [-60.15, -23.75], [-60.18, -23.68], [-60.25, -23.65], [-60.5, -23.75], [-61.03, -23.53], [-61.18, -23.18], [-61.53, -23.03], [-61.75, -22.5], [-61.65, -22.25], [-61.75, -22.0], [-61.65, -21.75]]]]}, "2017-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.65, -21.75], [-61.75, -21.5], [-61.53, -20.97], [-61.0, -20.75], [-60.75, -20.85], [-60.5, -20.75], [-60.25, -20.85], [-60.0, -20.75], [-59.75, -20.85], [-59.5, -20.75], [-59.25, -20.85], [-59.0, -20.75], [-58.47, -20.97], [-58.32, -21.32], [-57.97, -21.47], [-57.82, -21.82], [-57.47, -21.97], [-57.25, -22.5], [-57.35, -22.75], [-57.32, -22.82], [-56.97, -22.97], [-56.82, -23.32], [-56.47, -23.47], [-56.25, -24.0], [-56.35, -24.25], [-56.32, -24.32], [-55.97, -24.47], [-55.75, -25.0], [-55.97, -25.53], [-56.32, -25.68], [-56.47, -26.03], [-56.82, -26.18], [-56.85, -26.25], [-56.75, -26.5], [-56.97, -27.03], [-57.5, -27.25], [-57.75, -27.15], [-58.0, -27.25], [-58.53, -27.03], [-58.75, -26.5], [-58.65, -26.25], [-58.68, -26.18], [-59.03, -26.03], [-59.18, -25.68], [-59.53, -25.53], [-59.75, -25.0], [-59.65, -24.75], [-59.68, -24.68], [-60.03, -24.53], [-60.25, -24.0], [-60.15, -23.75], [-60.18, -23.68], [-60.25, -23.65], [-60.5, -23.75], [-61.03, -23.53], [-61.18, -23.18], [-61.53, -23.03], [-61.75, -22.5], [-61.65, -22.25], [-61.75, -22.0], [-61.65, -21.75]]]]}, "2017-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.65, -21.75], [-61.75, -21.5], [-61.53, -20.97], [-61.0, -20.75], [-60.75, -20.85], [-60.5, -20.75], [-60.25, -20.85], [-60.0, -20.75], [-59.75, -20.85], [-59.5, -20.75], [-59.25, -20.85], [-59.0, -20.75], [-58.47, -20.97], [-58.32, -21.32], [-57.97, -21.47], [-57.82, -21.82], [-57.47, -21.97], [-57.25, -22.5], [-57.35, -22.75], [-57.32, -22.82], [-56.97, -22.97], [-56.82, -23.32], [-56.47, -23.47], [-56.25, -24.0], [-56.35, -24.25], [-56.32, -24.32], [-55.97, -24.47], [-55.75, -25.0], [-55.97, -25.53], [-56.32, -25.68], [-56.47, -26.03], [-56.82, -26.18], [-56.85, -26.25], [-56.75, -26.5], [-56.97, -27.03], [-57.5, -27.25], [-57.75, -27.15], [-58.0, -27.25], [-58.53, -27.03], [-58.75, -26.5], [-58.65, -26.25], [-58.68, -26.18], [-59.03, -26.03], [-59.18, -25.68], [-59.53, -25.53], [-59.75, -25.0], [-59.65, -24.75], [-59.68, -24.68], [-60.03, -24.53], [-60.25, -24.0], [-60.15, -23.75], [-60.18, -23.68], [-60.25, -23.65], [-60.5, -23.75], [-61.03, -23.53], [-61.18, -23.18], [-61.53, -23.03], [-61.75, -22.5], [-61.65, -22.25], [-61.75, -22.0], [-61.65, -21.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.915456098918582}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.92797020480812}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.440914511506037, 29.686623594693742, 29.306394201034834]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.53047283471159, 31.140506381513262, 31.236161329202957]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.213069210135224, 8.134160303520106, 7.436681100769027]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.641294640206127, 9.915456098918582, 8.250083688459029]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4908433300971733, 1.4505629261893656, 1.316916582745034]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7919028481322337, 1.8101086068315144, 1.4127206810449542]}}