{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:35.998486", "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-Aug-16_to_2022-Aug-18_267.0_56.5"}, "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": 2022080002374}, "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 16 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 18 2022"}, "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": 107009.8151451028}, "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": ["Canada"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": 56.5}, "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": 267.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "267.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 259.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 268.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 54.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 57.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-101.25, 54.0], [-101.03, 54.53], [-100.5, 54.75], [-100.25, 54.65], [-100.18, 54.68], [-100.04, 55.0], [-100.25, 55.5], [-100.03, 56.03], [-99.5, 56.25], [-99.25, 56.15], [-99.18, 56.18], [-99.03, 56.53], [-98.5, 56.75], [-98.25, 56.65], [-98.0, 56.75], [-97.75, 56.65], [-97.68, 56.68], [-97.53, 57.03], [-97.18, 57.18], [-97.03, 57.53], [-96.5, 57.75], [-96.25, 57.65], [-96.0, 57.75], [-95.47, 57.53], [-95.32, 57.18], [-95.25, 57.15], [-95.0, 57.25], [-94.75, 57.15], [-94.5, 57.25], [-94.25, 57.15], [-94.0, 57.25], [-93.75, 57.15], [-93.5, 57.25], [-93.25, 57.15], [-93.0, 57.25], [-92.47, 57.03], [-92.32, 56.68], [-92.25, 56.65], [-92.0, 56.75], [-91.47, 56.53], [-91.25, 56.0], [-91.47, 55.47], [-91.82, 55.32], [-91.97, 54.97], [-92.32, 54.82], [-92.46, 54.5], [-92.25, 54.0], [-92.47, 53.47], [-93.0, 53.25], [-93.25, 53.35], [-93.5, 53.25], [-93.75, 53.35], [-94.0, 53.25], [-94.25, 53.35], [-94.5, 53.25], [-95.03, 53.47], [-95.25, 54.0], [-95.04, 54.5], [-95.18, 54.82], [-95.25, 54.85], [-95.5, 54.75], [-95.75, 54.85], [-95.82, 54.82], [-95.97, 54.47], [-96.5, 54.25], [-96.75, 54.35], [-97.0, 54.25], 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evolution of mean t2m.", "value": [21.644085924464036, 21.801133939018257, 19.917742918786644]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.887679679226494, 23.025256126707347, 21.618770697606863]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.130824946887495, 6.322926319404114, 4.587781548721866]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.104374224090009, 8.631545002827522, 5.141038471582306]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.820137745322831, 1.8956608216717452, 1.3731420249287436]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1537222894306463, 2.32646585511086, 1.5355007848204127]}}