{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:56:21.334039", "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-Nov-18_to_2023-Nov-20_168.0_60.0"}, "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": 2023110001696}, "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": "November 18 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 20 2023"}, "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": 66349.03969792974}, "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": ["Bering Sea"]}, "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": 60.0}, "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": 168.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "168.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 162.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 168.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 56.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 60.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[161.75, 58.0], [161.97, 58.53], [162.5, 58.75], [162.75, 58.65], [162.82, 58.68], [162.97, 59.03], [163.5, 59.25], [163.75, 59.15], [164.0, 59.25], [164.25, 59.15], [164.32, 59.18], [164.35, 59.25], [164.25, 59.5], [164.47, 60.03], [164.82, 60.18], [164.97, 60.53], [165.5, 60.75], [166.03, 60.53], [166.18, 60.18], [166.25, 60.15], [166.5, 60.25], [166.75, 60.15], [166.82, 60.18], [166.97, 60.53], [167.5, 60.75], [167.75, 60.65], [168.0, 60.75], [168.53, 60.53], [168.75, 60.0], [168.53, 59.47], [168.13, 59.3], [168.25, 59.0], [168.15, 58.75], [168.25, 58.5], [168.03, 57.97], [167.5, 57.75], [167.25, 57.85], [167.18, 57.82], [167.03, 57.47], [166.68, 57.32], [166.53, 56.97], [166.18, 56.82], [166.03, 56.47], [165.68, 56.32], [165.53, 55.97], [165.0, 55.75], [164.47, 55.97], [164.32, 56.32], [163.97, 56.47], [163.82, 56.82], [163.75, 56.85], [163.5, 56.75], [162.97, 56.97], [162.82, 57.32], [162.75, 57.35], [162.5, 57.25], [161.97, 57.47], [161.75, 58.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Russian-Far-East"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.5, 57.25], [161.97, 57.47], [161.75, 58.0], [161.97, 58.53], [162.5, 58.75], [162.75, 58.65], [162.82, 58.68], [162.97, 59.03], [163.5, 59.25], [163.75, 59.15], [164.0, 59.25], [164.25, 59.15], [164.32, 59.18], [164.35, 59.25], [164.25, 59.5], [164.47, 60.03], [164.82, 60.18], [164.97, 60.53], [165.5, 60.75], [166.03, 60.53], [166.18, 60.18], [166.25, 60.15], [166.5, 60.25], [166.75, 60.15], [166.82, 60.18], [166.97, 60.53], [167.5, 60.75], [167.75, 60.65], [168.0, 60.75], [168.53, 60.53], [168.75, 60.0], [168.53, 59.47], [168.13, 59.3], [168.25, 59.0], [168.15, 58.75], [168.25, 58.5], [168.03, 57.97], [167.5, 57.75], [167.25, 57.85], [167.18, 57.82], [167.03, 57.47], [166.68, 57.32], [166.53, 56.97], [166.18, 56.82], [166.03, 56.47], [165.68, 56.32], [165.53, 55.97], [165.0, 55.75], [164.47, 55.97], [164.32, 56.32], [163.97, 56.47], [163.82, 56.82], [163.75, 56.85], [163.5, 56.75], [162.97, 56.97], [162.82, 57.32], [162.75, 57.35], [162.5, 57.25]]]]}, "2023-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.5, 57.25], [161.97, 57.47], [161.75, 58.0], [161.97, 58.53], [162.5, 58.75], [162.75, 58.65], [162.82, 58.68], [162.97, 59.03], [163.5, 59.25], [163.75, 59.15], [164.0, 59.25], [164.25, 59.15], [164.32, 59.18], [164.35, 59.25], [164.25, 59.5], [164.47, 60.03], [164.82, 60.18], [164.97, 60.53], [165.5, 60.75], [166.03, 60.53], [166.18, 60.18], [166.25, 60.15], [166.5, 60.25], [166.75, 60.15], [166.82, 60.18], [166.97, 60.53], [167.5, 60.75], [167.75, 60.65], [168.0, 60.75], [168.53, 60.53], [168.75, 60.0], [168.53, 59.47], [168.13, 59.3], [168.25, 59.0], [168.15, 58.75], [168.25, 58.5], [168.03, 57.97], [167.5, 57.75], [167.25, 57.85], [167.18, 57.82], [167.03, 57.47], [166.68, 57.32], [166.53, 56.97], [166.18, 56.82], [166.03, 56.47], 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of mean t2m anomalies.", "value": [3.3112216926735427, 3.7265742807527804, 4.279066631644488]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.791470709968451, 6.060267294332391, 7.086074597608842]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.223453958309304, 1.4192242355267326, 1.5959614853336759]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3585688112537895, 1.6987048600118224, 2.008020031983264]}}