{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:27.936293", "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": "2023-Sep-29_to_2023-Oct-02_42.0_56.0"}, "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": 2023090002136}, "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": "September 29 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 02 2023"}, "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": 88051.94022162275}, "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": ["Russian Federation"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe"]}, "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": 56.0}, "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": 42.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "42.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 38.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 44.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 52.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 56.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[45.25, 53.5], [45.03, 52.97], [44.68, 52.82], [44.53, 52.47], [44.18, 52.32], [44.03, 51.97], [43.5, 51.75], [42.97, 51.97], 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describing the boundary of the event at each time step", "value": {"2023-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.47, 54.53], [39.0, 54.75], [39.25, 54.65], [39.32, 54.68], [39.47, 55.03], [39.82, 55.18], [39.97, 55.53], [40.32, 55.68], [40.47, 56.03], [40.82, 56.18], [40.97, 56.53], [41.32, 56.68], [41.47, 57.03], [42.0, 57.25], [42.25, 57.15], [42.5, 57.25], [43.03, 57.03], [43.18, 56.68], [43.53, 56.53], [43.75, 56.0], [43.65, 55.75], [43.68, 55.68], [44.03, 55.53], [44.25, 55.0], [44.15, 54.75], [44.18, 54.68], [44.53, 54.53], [44.75, 54.0], [44.53, 53.47], [44.0, 53.25], [43.75, 53.35], [43.68, 53.32], [43.53, 52.97], [43.18, 52.82], [43.03, 52.47], [42.5, 52.25], [41.97, 52.47], [41.82, 52.82], [41.75, 52.85], [41.5, 52.75], [41.25, 52.85], [41.0, 52.75], [40.5, 52.96], [40.18, 52.82], [40.03, 52.47], [39.5, 52.25], [38.97, 52.47], [38.82, 52.82], [38.75, 52.85], [38.5, 52.75], [37.97, 52.97], [37.75, 53.5], [37.97, 54.03], [38.32, 54.18], [38.47, 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16.67372064391418, 14.18496021233517]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.437083746239634, 6.118311466976201, 6.0757733819571165, 5.062378625678207]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.424680935676292, 6.96207694485679, 7.796059312294574, 5.363917850881137]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3832297467185855, 1.5267245512281584, 1.4972454890211004, 1.2266843863795147]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.625154790269216, 1.7360199974914607, 1.8973922444948965, 1.306086815110933]}}