{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:37:08.637206", "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-25_to_2023-Nov-28_171.5_62.0"}, "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": 2023110001962}, "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 25 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 28 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": 157785.59587191627}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Russian-Arctic", "Russian-Far-East"]}, "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": ["Bering Sea", "Sea of Okhotsk"]}, "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": 62.0}, "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": 171.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "171.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 160.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 175.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 61.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 68.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[160.82, 63.68], [160.97, 64.03], [161.32, 64.18], [161.35, 64.25], [161.25, 64.5], [161.35, 64.75], [161.25, 65.0], [161.47, 65.53], [161.82, 65.68], [161.97, 66.03], [162.5, 66.25], [162.75, 66.15], [162.82, 66.18], [162.97, 66.53], [163.32, 66.68], [163.35, 66.75], [163.25, 67.0], [163.35, 67.25], [163.25, 67.5], [163.47, 68.03], [164.0, 68.25], [164.3, 68.13], [164.47, 68.53], [165.0, 68.75], [165.25, 68.65], [165.5, 68.75], [165.75, 68.65], [166.0, 68.75], [166.25, 68.65], [166.5, 68.75], [166.75, 68.65], [167.0, 68.75], [167.53, 68.53], [167.68, 68.18], [167.75, 68.15], [168.0, 68.25], [168.53, 68.03], [168.68, 67.68], [169.03, 67.53], [169.25, 67.0], [169.07, 66.57], [169.5, 66.75], [169.75, 66.65], [170.0, 66.75], [170.53, 66.53], [170.75, 66.0], [170.53, 65.47], [170.0, 65.25], [169.75, 65.35], [169.68, 65.32], [169.53, 64.97], [169.0, 64.75], [168.75, 64.85], [168.5, 64.75], [167.97, 64.97], [167.82, 65.32], [167.75, 65.35], [167.5, 65.25], [167.25, 65.35], [167.0, 65.25], [166.47, 65.47], [166.32, 65.82], [166.25, 65.85], [166.0, 65.75], [165.75, 65.85], [165.5, 65.75], [165.25, 65.85], [165.0, 65.75], [164.75, 65.85], [164.68, 65.82], [164.53, 65.47], [164.18, 65.32], [164.03, 64.97], [163.5, 64.75], [163.25, 64.85], [163.18, 64.82], [163.15, 64.75], [163.25, 64.5], [163.03, 63.97], [162.68, 63.82], [162.65, 63.75], [162.68, 63.68], [162.75, 63.65], [163.0, 63.75], [163.25, 63.65], [163.5, 63.75], [163.75, 63.65], [164.0, 63.75], [164.25, 63.65], [164.5, 63.75], [165.03, 63.53], [165.18, 63.18], [165.25, 63.15], [165.5, 63.25], [165.75, 63.15], [166.0, 63.25], [166.25, 63.15], [166.32, 63.18], [166.47, 63.53], [167.0, 63.75], [167.25, 63.65], [167.32, 63.68], [167.47, 64.03], [168.0, 64.25], [168.25, 64.15], [168.5, 64.25], [168.75, 64.15], [169.0, 64.25], [169.25, 64.15], [169.5, 64.25], [169.75, 64.15], [170.0, 64.25], [170.25, 64.15], [170.5, 64.25], [170.75, 64.15], [171.0, 64.25], [171.53, 64.03], [171.68, 63.68], [171.75, 63.65], [172.0, 63.75], [172.53, 63.53], [172.68, 63.18], [173.03, 63.03], [173.18, 62.68], [173.25, 62.65], [173.5, 62.75], [173.75, 62.65], [174.0, 62.75], [174.25, 62.65], [174.5, 62.75], [175.03, 62.53], [175.18, 62.18], [175.25, 62.15], [175.5, 62.25], [176.03, 62.03], [176.25, 61.5], [176.03, 60.97], [175.5, 60.75], [175.25, 60.85], [175.0, 60.75], [174.75, 60.85], [174.5, 60.75], [174.25, 60.85], [174.0, 60.75], [173.5, 60.96], [173.0, 60.75], [172.47, 60.97], [172.32, 61.32], [172.25, 61.35], [172.0, 61.25], [171.75, 61.35], [171.5, 61.25], [171.25, 61.35], [171.0, 61.25], [170.75, 61.35], [170.5, 61.25], [170.25, 61.35], [170.0, 61.25], [169.75, 61.35], [169.5, 61.25], [168.97, 61.47], [168.75, 62.0], [168.85, 62.25], [168.82, 62.32], [168.75, 62.35], [168.68, 62.32], [168.53, 61.97], [168.0, 61.75], [167.75, 61.85], [167.5, 61.75], [167.25, 61.85], [167.0, 61.75], [166.75, 61.85], [166.68, 61.82], [166.53, 61.47], [166.0, 61.25], [165.75, 61.35], [165.5, 61.25], [165.25, 61.35], [165.0, 61.25], [164.47, 61.47], [164.32, 61.82], [164.25, 61.85], [164.0, 61.75], [163.75, 61.85], [163.5, 61.75], [163.25, 61.85], [163.0, 61.75], [162.75, 61.85], [162.5, 61.75], [162.25, 61.85], [162.0, 61.75], [161.75, 61.85], [161.5, 61.75], [161.25, 61.85], [161.0, 61.75], [160.75, 61.85], [160.5, 61.75], [159.97, 61.97], [159.75, 62.5], [159.97, 63.03], [160.32, 63.18], [160.47, 63.53], [160.82, 63.68]], [[168.82, 66.18], [168.93, 66.43], [168.68, 66.32], [168.65, 66.25], [168.68, 66.18], [168.75, 66.15], [168.82, 66.18]]]]}, "2023-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[160.82, 63.68], [160.97, 64.03], [161.32, 64.18], [161.35, 64.25], [161.25, 64.5], [161.35, 64.75], [161.25, 65.0], [161.47, 65.53], [161.82, 65.68], [161.97, 66.03], [162.5, 66.25], [162.75, 66.15], [162.82, 66.18], [162.97, 66.53], [163.32, 66.68], [163.35, 66.75], [163.25, 67.0], [163.35, 67.25], [163.25, 67.5], [163.47, 68.03], [164.0, 68.25], [164.3, 68.13], [164.47, 68.53], [165.0, 68.75], [165.25, 68.65], [165.5, 68.75], [165.75, 68.65], [166.0, 68.75], [166.25, 68.65], [166.5, 68.75], [166.75, 68.65], [167.0, 68.75], [167.53, 68.53], [167.68, 68.18], [167.75, 68.15], [168.0, 68.25], [168.53, 68.03], [168.68, 67.68], [169.03, 67.53], [169.25, 67.0], [169.07, 66.57], [169.5, 66.75], [169.75, 66.65], [170.0, 66.75], [170.53, 66.53], [170.75, 66.0], [170.53, 65.47], [170.0, 65.25], [169.75, 65.35], [169.68, 65.32], [169.53, 64.97], [169.0, 64.75], [168.75, 64.85], [168.5, 64.75], [167.97, 64.97], [167.82, 65.32], [167.75, 65.35], [167.5, 65.25], [167.25, 65.35], [167.0, 65.25], [166.47, 65.47], [166.32, 65.82], [166.25, 65.85], [166.0, 65.75], [165.75, 65.85], [165.5, 65.75], [165.25, 65.85], [165.0, 65.75], [164.75, 65.85], [164.68, 65.82], [164.53, 65.47], [164.18, 65.32], [164.03, 64.97], [163.5, 64.75], [163.25, 64.85], [163.18, 64.82], [163.15, 64.75], [163.25, 64.5], [163.03, 63.97], [162.68, 63.82], [162.65, 63.75], [162.68, 63.68], [162.75, 63.65], [163.0, 63.75], [163.25, 63.65], [163.5, 63.75], [163.75, 63.65], [164.0, 63.75], [164.25, 63.65], [164.5, 63.75], [165.03, 63.53], [165.18, 63.18], [165.25, 63.15], [165.5, 63.25], [165.75, 63.15], [166.0, 63.25], [166.25, 63.15], [166.32, 63.18], [166.35, 63.25], [166.25, 63.5], [166.47, 64.03], [167.0, 64.25], [167.25, 64.15], [167.5, 64.25], [167.75, 64.15], [168.0, 64.25], [168.25, 64.15], [168.5, 64.25], [168.75, 64.15], [169.0, 64.25], [169.25, 64.15], [169.5, 64.25], [169.75, 64.15], [170.0, 64.25], [170.25, 64.15], [170.5, 64.25], [170.75, 64.15], [171.0, 64.25], [171.53, 64.03], [171.68, 63.68], [171.75, 63.65], [172.0, 63.75], [172.53, 63.53], [172.68, 63.18], [173.03, 63.03], [173.18, 62.68], [173.25, 62.65], [173.5, 62.75], [173.75, 62.65], [174.0, 62.75], [174.25, 62.65], [174.5, 62.75], [175.03, 62.53], [175.18, 62.18], [175.25, 62.15], [175.5, 62.25], [176.03, 62.03], [176.25, 61.5], [176.03, 60.97], [175.5, 60.75], [175.25, 60.85], [175.0, 60.75], [174.75, 60.85], [174.5, 60.75], [174.25, 60.85], [174.0, 60.75], [173.5, 60.96], [173.0, 60.75], [172.47, 60.97], [172.32, 61.32], [172.25, 61.35], [172.0, 61.25], [171.75, 61.35], [171.5, 61.25], [171.25, 61.35], [171.0, 61.25], [170.75, 61.35], [170.5, 61.25], [170.25, 61.35], [170.0, 61.25], [169.75, 61.35], [169.5, 61.25], [168.97, 61.47], [168.75, 62.0], [168.85, 62.25], [168.82, 62.32], [168.75, 62.35], [168.68, 62.32], [168.53, 61.97], [168.0, 61.75], [167.75, 61.85], [167.5, 61.75], [167.25, 61.85], [167.0, 61.75], [166.75, 61.85], [166.68, 61.82], [166.53, 61.47], [166.0, 61.25], [165.75, 61.35], [165.5, 61.25], [165.25, 61.35], [165.0, 61.25], [164.47, 61.47], [164.32, 61.82], [164.25, 61.85], [164.0, 61.75], [163.75, 61.85], [163.5, 61.75], [163.25, 61.85], [163.0, 61.75], [162.75, 61.85], [162.5, 61.75], [162.25, 61.85], [162.0, 61.75], [161.75, 61.85], [161.5, 61.75], [161.25, 61.85], [161.0, 61.75], [160.75, 61.85], [160.5, 61.75], [159.97, 61.97], [159.75, 62.5], [159.97, 63.03], [160.32, 63.18], [160.47, 63.53], [160.82, 63.68]], [[168.82, 66.18], [168.93, 66.43], [168.68, 66.32], [168.65, 66.25], [168.68, 66.18], [168.75, 66.15], [168.82, 66.18]]]]}, "2023-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[160.82, 63.68], [160.97, 64.03], [161.32, 64.18], [161.35, 64.25], [161.25, 64.5], [161.35, 64.75], [161.25, 65.0], [161.47, 65.53], [161.82, 65.68], [161.97, 66.03], [162.5, 66.25], [162.75, 66.15], [162.82, 66.18], [162.97, 66.53], [163.32, 66.68], [163.35, 66.75], [163.25, 67.0], [163.35, 67.25], [163.25, 67.5], [163.47, 68.03], [164.0, 68.25], [164.3, 68.13], [164.47, 68.53], [165.0, 68.75], [165.25, 68.65], [165.5, 68.75], [165.75, 68.65], [166.0, 68.75], [166.25, 68.65], [166.5, 68.75], [166.75, 68.65], [167.0, 68.75], [167.53, 68.53], [167.68, 68.18], [167.75, 68.15], [168.0, 68.25], [168.53, 68.03], [168.68, 67.68], [169.03, 67.53], [169.25, 67.0], [169.07, 66.57], [169.5, 66.75], [169.75, 66.65], [170.0, 66.75], [170.53, 66.53], [170.75, 66.0], [170.53, 65.47], [170.0, 65.25], [169.75, 65.35], [169.68, 65.32], [169.53, 64.97], [169.0, 64.75], [168.75, 64.85], [168.5, 64.75], [167.97, 64.97], [167.82, 65.32], [167.75, 65.35], [167.5, 65.25], [167.25, 65.35], [167.0, 65.25], [166.47, 65.47], [166.32, 65.82], [166.25, 65.85], [166.0, 65.75], [165.75, 65.85], [165.5, 65.75], [165.25, 65.85], [165.0, 65.75], [164.75, 65.85], [164.68, 65.82], [164.53, 65.47], [164.18, 65.32], [164.03, 64.97], [163.5, 64.75], [163.25, 64.85], [163.18, 64.82], [163.15, 64.75], [163.25, 64.5], [163.03, 63.97], [162.68, 63.82], [162.65, 63.75], [162.68, 63.68], [162.75, 63.65], [163.0, 63.75], [163.25, 63.65], [163.5, 63.75], [163.75, 63.65], [164.0, 63.75], [164.25, 63.65], [164.5, 63.75], [165.03, 63.53], [165.18, 63.18], [165.25, 63.15], [165.5, 63.25], [165.75, 63.15], [166.0, 63.25], [166.25, 63.15], [166.32, 63.18], [166.35, 63.25], [166.25, 63.5], [166.47, 64.03], [167.0, 64.25], [167.25, 64.15], [167.5, 64.25], [167.75, 64.15], [168.0, 64.25], [168.25, 64.15], [168.5, 64.25], [168.75, 64.15], [169.0, 64.25], [169.25, 64.15], [169.5, 64.25], [169.75, 64.15], [170.0, 64.25], [170.25, 64.15], [170.5, 64.25], [170.75, 64.15], [171.0, 64.25], [171.53, 64.03], [171.68, 63.68], [171.75, 63.65], [172.0, 63.75], [172.53, 63.53], [172.68, 63.18], [173.03, 63.03], [173.18, 62.68], [173.25, 62.65], [173.5, 62.75], [173.75, 62.65], [174.0, 62.75], [174.25, 62.65], [174.5, 62.75], [175.03, 62.53], [175.18, 62.18], [175.25, 62.15], [175.5, 62.25], [176.03, 62.03], [176.25, 61.5], [176.03, 60.97], [175.5, 60.75], [175.25, 60.85], [175.0, 60.75], [174.75, 60.85], [174.5, 60.75], [174.25, 60.85], [174.0, 60.75], [173.5, 60.96], [173.0, 60.75], [172.47, 60.97], [172.32, 61.32], [172.25, 61.35], [172.0, 61.25], [171.75, 61.35], [171.5, 61.25], [171.25, 61.35], [171.0, 61.25], [170.75, 61.35], [170.5, 61.25], [170.25, 61.35], [170.0, 61.25], [169.75, 61.35], [169.5, 61.25], [168.97, 61.47], [168.75, 62.0], [168.85, 62.25], [168.82, 62.32], [168.75, 62.35], [168.68, 62.32], [168.53, 61.97], [168.0, 61.75], [167.75, 61.85], [167.5, 61.75], [167.25, 61.85], [167.0, 61.75], [166.75, 61.85], [166.68, 61.82], [166.53, 61.47], [166.0, 61.25], [165.75, 61.35], [165.5, 61.25], [165.25, 61.35], [165.0, 61.25], [164.47, 61.47], [164.32, 61.82], [164.25, 61.85], [164.0, 61.75], [163.75, 61.85], [163.5, 61.75], [163.25, 61.85], [163.0, 61.75], [162.75, 61.85], [162.5, 61.75], [162.25, 61.85], [162.0, 61.75], [161.75, 61.85], [161.5, 61.75], [161.25, 61.85], [161.0, 61.75], [160.75, 61.85], [160.5, 61.75], [159.97, 61.97], [159.75, 62.5], [159.97, 63.03], [160.32, 63.18], [160.47, 63.53], [160.82, 63.68]], [[168.82, 66.18], [168.93, 66.43], [168.68, 66.32], [168.65, 66.25], [168.68, 66.18], [168.75, 66.15], [168.82, 66.18]]]]}, "2023-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[170.75, 62.0], [170.97, 62.53], [171.5, 62.75], [171.75, 62.65], [172.0, 62.75], [172.25, 62.65], [172.5, 62.75], [173.03, 62.53], [173.25, 62.0], [173.03, 61.47], [172.5, 61.25], [172.25, 61.35], [172.0, 61.25], [171.75, 61.35], [171.5, 61.25], [170.97, 61.47], [170.75, 62.0]]], [[[165.0, 63.25], [165.25, 63.15], [165.5, 63.25], [165.75, 63.15], [166.0, 63.25], [166.25, 63.15], [166.38, 63.2], [166.25, 63.5], [166.47, 64.03], [167.0, 64.25], [167.25, 64.15], [167.5, 64.25], [168.03, 64.03], [168.25, 63.5], [168.03, 62.97], [167.63, 62.8], [167.75, 62.5], [167.53, 61.97], [167.0, 61.75], [166.75, 61.85], [166.68, 61.82], [166.53, 61.47], [166.0, 61.25], [165.75, 61.35], [165.5, 61.25], [165.25, 61.35], [165.0, 61.25], [164.47, 61.47], [164.25, 62.0], [164.35, 62.25], [164.25, 62.5], [164.47, 63.03], [165.0, 63.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 21.565068429938975}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 15.288552123104353}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-7.10293877921589, -3.4056405175519444, -5.040813890249694, -6.344681960574178]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [2.6993668398157524, 2.123533782866616, 1.3066356115697886, -4.829725838406944]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [13.118533406642406, 17.18168823436606, 15.905956079045193, 11.890010933137223]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [15.956607763074516, 21.565068429938975, 21.120912108800894, 12.86401081326332]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6013116472994866, 2.089925230200953, 1.9166221073478542, 1.4633577386994596]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8482860371465941, 2.477772010755695, 2.399820470884813, 1.5388129652546867]}}