{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:20:43.216541", "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-May-29_to_2022-Jun-01_87.5_36.5"}, "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": 2022050002982}, "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": "May 29 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 01 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": 124577.6058215056}, "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"]}, "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": 36.5}, "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": 87.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "87.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 84.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 91.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 35.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[83.97, 36.03], [84.5, 36.25], [84.75, 36.15], [84.82, 36.18], [84.97, 36.53], [85.5, 36.75], [86.03, 36.53], [86.18, 36.18], 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"description": "List of all IPCC regions affected", "value": ["E.C.Asia", "Tibetan-Plateau"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[85.5, 34.75], [84.97, 34.97], [84.75, 35.5], [84.97, 36.03], [85.5, 36.25], [86.0, 36.04], [86.32, 36.18], [86.35, 36.25], [86.25, 36.5], [86.35, 36.75], [86.25, 37.0], [86.47, 37.53], [86.82, 37.68], [86.97, 38.03], [87.5, 38.25], [87.75, 38.15], [87.82, 38.18], [87.97, 38.53], [88.5, 38.75], [88.75, 38.65], [89.0, 38.75], [89.53, 38.53], [89.68, 38.18], [89.75, 38.15], [90.0, 38.25], [90.53, 38.03], [90.68, 37.68], [90.75, 37.65], [91.0, 37.75], [91.53, 37.53], [91.75, 37.0], [91.65, 36.75], [91.68, 36.68], [92.03, 36.53], [92.25, 36.0], [92.03, 35.47], [91.5, 35.25], [91.25, 35.35], [91.0, 35.25], [90.75, 35.35], [90.5, 35.25], [90.2, 35.38], [90.03, 34.97], [89.5, 34.75], [89.2, 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1.6599414260122103, 0.7901849788269146]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [5.686461919141777, 6.363886993198491, 7.066455438318883, 3.92620471738212]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.867744599683488, 4.082564953813757, 4.475214524906945, 4.467412184715475]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.802567977605747, 5.453361844320227, 6.008896972272396, 6.128014613767618]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3975128145393194, 1.4655797480615775, 1.6220404906792567, 1.6147427990025316]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8353073945082115, 2.1780217218624713, 2.4117417566832358, 2.4909305173881084]}}