{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:27.167173", "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": "2022-Jun-06_to_2022-Jun-09_113.5_31.5"}, "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": 2022060001649}, "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": "June 06 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 09 2022"}, "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": 55541.622634215455}, "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": ["China"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 31.5}, "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": 113.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "113.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 111.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 115.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.75, 31.0], [110.97, 31.53], [111.5, 31.75], [111.75, 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32.53], [114.68, 32.18], [114.75, 32.15], [115.0, 32.25], [115.53, 32.03], [115.68, 31.68], [116.03, 31.53], [116.25, 31.0], [116.03, 30.47], [115.68, 30.32], [115.53, 29.97], [115.0, 29.75], [114.75, 29.85], [114.5, 29.75], [114.25, 29.85], [114.0, 29.75], [113.47, 29.97], [113.32, 30.32], [113.25, 30.35], [113.0, 30.25], [112.75, 30.35], [112.68, 30.32], [112.53, 29.97], [112.0, 29.75], [111.47, 29.97], [111.32, 30.32], [110.97, 30.47], [110.75, 31.0]]]]}, "2022-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.75, 31.0], [110.97, 31.53], [111.5, 31.75], [111.75, 31.65], [112.0, 31.75], [112.25, 31.65], [112.32, 31.68], [112.35, 31.75], [112.25, 32.0], [112.47, 32.53], [113.0, 32.75], [113.25, 32.65], [113.5, 32.75], [113.75, 32.65], [114.0, 32.75], [114.53, 32.53], [114.68, 32.18], [114.75, 32.15], [115.0, 32.25], [115.53, 32.03], [115.68, 31.68], [116.03, 31.53], [116.25, 31.0], [116.03, 30.47], [115.68, 30.32], [115.53, 29.97], [115.0, 29.75], [114.75, 29.85], [114.5, 29.75], [114.25, 29.85], [114.0, 29.75], [113.47, 29.97], [113.32, 30.32], [113.25, 30.35], [113.0, 30.25], [112.75, 30.35], [112.68, 30.32], [112.53, 29.97], [112.0, 29.75], [111.47, 29.97], [111.32, 30.32], [110.97, 30.47], [110.75, 31.0]]]]}, "2022-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[112.97, 32.53], [113.5, 32.75], [113.75, 32.65], [114.0, 32.75], [114.53, 32.53], [114.68, 32.18], [114.75, 32.15], [115.0, 32.25], [115.53, 32.03], [115.68, 31.68], [116.03, 31.53], [116.25, 31.0], [116.03, 30.47], [115.5, 30.25], [115.25, 30.35], [115.0, 30.25], [114.47, 30.47], [114.32, 30.82], [114.25, 30.85], [114.0, 30.75], [113.75, 30.85], [113.5, 30.75], [112.97, 30.97], [112.75, 31.5], [112.85, 31.75], [112.75, 32.0], [112.97, 32.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.000669001586402}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.934396980921663}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.543263015836374, 28.828426828239003, 28.530379041509093, 28.20212700974514]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.545318948772717, 30.54417246363829, 29.906772384246608, 28.349238089880032]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.01792995320542, 4.159030183828143, 3.706664703559124, 3.723257999123952]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.938551069151231, 5.000669001586402, 4.207750988965472, 4.189383449004367]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6139703723720187, 1.6851267376550931, 1.4785391002111856, 1.4883092708203172]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.006535747272698, 1.9476888122741352, 1.6343522414934992, 1.8486727231627476]}}