{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:38.442293", "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": "2016-Jan-08_to_2016-Jan-12_167.0_65.5"}, "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": 2016010001439}, "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": "January 08 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 12 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 165363.3517338886}, "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": []}, "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": 65.5}, "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": 167.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "167.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 162.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 179.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 62.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 67.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.97, 65.03], [163.32, 65.18], [163.35, 65.25], [163.25, 65.5], [163.47, 66.03], [163.82, 66.18], [163.97, 66.53], [164.5, 66.75], [164.75, 66.65], [164.82, 66.68], [164.97, 67.03], [165.5, 67.25], [165.75, 67.15], [166.0, 67.25], [166.53, 67.03], [166.68, 66.68], [166.75, 66.65], [167.0, 66.75], [167.53, 66.53], [167.68, 66.18], [167.75, 66.15], [167.82, 66.18], [167.97, 66.53], [168.5, 66.75], [168.75, 66.65], [169.0, 66.75], [169.25, 66.65], [169.32, 66.68], [169.47, 67.03], [170.0, 67.25], [170.25, 67.15], [170.5, 67.25], [170.75, 67.15], [171.0, 67.25], [171.25, 67.15], [171.5, 67.25], [171.75, 67.15], [172.0, 67.25], [172.25, 67.15], [172.5, 67.25], [172.75, 67.15], [172.82, 67.18], [172.97, 67.53], [173.5, 67.75], [173.75, 67.65], [173.82, 67.68], [173.97, 68.03], [174.5, 68.25], [175.03, 68.03], [175.18, 67.68], [175.25, 67.65], [175.5, 67.75], [175.8, 67.63], [175.97, 68.03], [176.5, 68.25], [176.75, 68.15], [177.0, 68.25], [177.53, 68.03], [177.68, 67.68], [177.75, 67.65], [178.0, 67.75], [178.25, 67.65], [178.5, 67.75], [178.75, 67.65], [179.0, 67.75], [179.53, 67.53], [179.75, 67.0], [179.53, 66.47], [179.0, 66.25], [178.75, 66.35], [178.5, 66.25], [178.25, 66.35], [178.18, 66.32], [178.03, 65.97], [177.5, 65.75], [177.25, 65.85], [177.0, 65.75], [176.75, 65.85], [176.68, 65.82], [176.53, 65.47], [176.0, 65.25], [175.47, 65.47], [175.32, 65.82], [175.25, 65.85], [175.13, 65.8], [175.25, 65.5], [175.03, 64.97], [174.5, 64.75], [174.25, 64.85], [174.0, 64.75], [173.5, 64.96], [173.0, 64.75], [172.75, 64.85], [172.5, 64.75], [172.25, 64.85], [172.0, 64.75], [171.75, 64.85], [171.5, 64.75], [171.25, 64.85], [171.18, 64.82], [171.03, 64.47], [170.68, 64.32], [170.53, 63.97], [170.18, 63.82], [170.03, 63.47], [169.5, 63.25], [169.25, 63.35], [169.0, 63.25], [168.75, 63.35], [168.5, 63.25], [168.25, 63.35], [168.0, 63.25], [167.75, 63.35], [167.5, 63.25], [167.25, 63.35], [167.0, 63.25], [166.75, 63.35], [166.5, 63.25], [166.25, 63.35], [166.0, 63.25], [165.47, 63.47], [165.32, 63.82], [165.25, 63.85], [165.0, 63.75], [164.75, 63.85], [164.68, 63.82], [164.53, 63.47], [164.0, 63.25], [163.75, 63.35], [163.5, 63.25], [162.97, 63.47], [162.75, 64.0], [162.85, 64.25], [162.75, 64.5], [162.97, 65.03]]]]}, "2016-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.97, 65.03], [163.32, 65.18], [163.35, 65.25], [163.25, 65.5], [163.35, 65.75], [163.25, 66.0], [163.47, 66.53], [164.0, 66.75], [164.25, 66.65], [164.32, 66.68], [164.47, 67.03], [165.0, 67.25], [165.25, 67.15], [165.5, 67.25], [165.75, 67.15], [166.0, 67.25], [166.53, 67.03], [166.68, 66.68], [166.75, 66.65], [167.0, 66.75], [167.53, 66.53], [167.68, 66.18], [167.75, 66.15], [167.82, 66.18], [167.97, 66.53], [168.5, 66.75], [168.75, 66.65], [169.0, 66.75], [169.25, 66.65], [169.32, 66.68], [169.47, 67.03], [170.0, 67.25], [170.25, 67.15], [170.5, 67.25], [170.75, 67.15], [171.0, 67.25], [171.25, 67.15], [171.5, 67.25], [171.75, 67.15], [172.0, 67.25], [172.25, 67.15], [172.5, 67.25], [172.75, 67.15], [172.82, 67.18], [172.97, 67.53], [173.5, 67.75], [173.75, 67.65], [173.82, 67.68], [173.97, 68.03], [174.5, 68.25], [175.03, 68.03], [175.18, 67.68], [175.25, 67.65], [175.5, 67.75], [175.8, 67.63], [175.97, 68.03], [176.5, 68.25], [176.75, 68.15], [177.0, 68.25], [177.53, 68.03], [177.68, 67.68], [177.75, 67.65], [178.0, 67.75], [178.25, 67.65], [178.5, 67.75], [178.75, 67.65], [179.0, 67.75], [179.53, 67.53], [179.75, 67.0], [179.53, 66.47], [179.0, 66.25], [178.75, 66.35], [178.5, 66.25], [178.25, 66.35], [178.18, 66.32], [178.03, 65.97], [177.5, 65.75], [177.25, 65.85], [177.0, 65.75], [176.75, 65.85], [176.68, 65.82], [176.53, 65.47], [176.0, 65.25], [175.47, 65.47], [175.32, 65.82], [175.25, 65.85], [175.13, 65.8], [175.25, 65.5], [175.03, 64.97], [174.5, 64.75], [174.25, 64.85], [174.0, 64.75], [173.5, 64.96], [173.0, 64.75], [172.75, 64.85], [172.5, 64.75], [172.25, 64.85], [172.0, 64.75], [171.75, 64.85], [171.5, 64.75], [171.25, 64.85], [171.18, 64.82], [171.03, 64.47], [170.68, 64.32], [170.53, 63.97], [170.18, 63.82], [170.03, 63.47], [169.5, 63.25], [169.25, 63.35], [169.0, 63.25], [168.75, 63.35], [168.5, 63.25], [168.25, 63.35], [168.0, 63.25], [167.75, 63.35], [167.5, 63.25], [167.25, 63.35], [167.0, 63.25], [166.75, 63.35], [166.5, 63.25], [166.25, 63.35], [166.0, 63.25], [165.47, 63.47], [165.32, 63.82], [165.25, 63.85], [165.0, 63.75], [164.75, 63.85], [164.68, 63.82], [164.53, 63.47], [164.0, 63.25], [163.75, 63.35], [163.5, 63.25], [162.97, 63.47], [162.75, 64.0], [162.85, 64.25], [162.75, 64.5], [162.97, 65.03]]]]}, "2016-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.75, 64.0], [162.85, 64.25], [162.75, 64.5], [162.97, 65.03], [163.32, 65.18], [163.35, 65.25], [163.25, 65.5], [163.35, 65.75], [163.25, 66.0], [163.47, 66.53], [164.0, 66.75], [164.25, 66.65], [164.32, 66.68], [164.47, 67.03], [165.0, 67.25], [165.25, 67.15], [165.5, 67.25], [165.75, 67.15], [166.0, 67.25], [166.53, 67.03], [166.68, 66.68], [166.75, 66.65], [167.0, 66.75], [167.53, 66.53], [167.68, 66.18], [167.75, 66.15], [167.82, 66.18], [167.97, 66.53], [168.5, 66.75], [168.75, 66.65], [169.0, 66.75], [169.25, 66.65], [169.32, 66.68], [169.47, 67.03], [170.0, 67.25], [170.25, 67.15], [170.5, 67.25], [170.75, 67.15], [171.0, 67.25], [171.25, 67.15], [171.5, 67.25], [171.75, 67.15], [172.0, 67.25], [172.25, 67.15], [172.5, 67.25], [172.75, 67.15], [172.82, 67.18], [172.97, 67.53], [173.5, 67.75], [173.75, 67.65], [173.82, 67.68], [173.97, 68.03], [174.5, 68.25], [175.03, 68.03], [175.18, 67.68], [175.25, 67.65], [175.5, 67.75], [175.8, 67.63], [175.97, 68.03], [176.5, 68.25], [176.75, 68.15], [177.0, 68.25], [177.53, 68.03], [177.68, 67.68], [177.75, 67.65], [178.0, 67.75], [178.25, 67.65], [178.5, 67.75], [178.75, 67.65], [179.0, 67.75], [179.53, 67.53], [179.75, 67.0], [179.53, 66.47], [179.0, 66.25], [178.75, 66.35], [178.5, 66.25], [178.25, 66.35], [178.18, 66.32], [178.03, 65.97], [177.5, 65.75], [177.25, 65.85], [177.0, 65.75], [176.75, 65.85], [176.68, 65.82], [176.53, 65.47], [176.0, 65.25], [175.47, 65.47], [175.32, 65.82], [175.25, 65.85], [175.13, 65.8], [175.25, 65.5], [175.03, 64.97], [174.5, 64.75], [174.25, 64.85], [174.0, 64.75], [173.5, 64.96], [173.0, 64.75], [172.75, 64.85], [172.5, 64.75], [172.25, 64.85], [172.0, 64.75], [171.75, 64.85], [171.5, 64.75], [171.25, 64.85], [171.18, 64.82], [171.03, 64.47], [170.68, 64.32], [170.53, 63.97], [170.18, 63.82], [170.03, 63.47], [169.5, 63.25], [169.25, 63.35], [169.0, 63.25], [168.75, 63.35], [168.68, 63.32], [168.53, 62.97], [168.18, 62.82], [168.03, 62.47], [167.5, 62.25], [167.25, 62.35], [167.0, 62.25], [166.75, 62.35], [166.5, 62.25], [166.25, 62.35], [166.0, 62.25], [165.5, 62.46], [165.0, 62.25], [164.75, 62.35], [164.5, 62.25], [164.25, 62.35], [164.0, 62.25], [163.75, 62.35], [163.5, 62.25], [163.25, 62.35], [163.0, 62.25], [162.47, 62.47], [162.25, 63.0], [162.47, 63.53], [162.82, 63.68], [162.85, 63.75], [162.75, 64.0]]]]}, "2016-01-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.75, 64.0], [162.85, 64.25], [162.75, 64.5], [162.97, 65.03], [163.32, 65.18], [163.35, 65.25], [163.25, 65.5], [163.35, 65.75], [163.25, 66.0], [163.47, 66.53], [164.0, 66.75], [164.25, 66.65], [164.32, 66.68], [164.47, 67.03], [165.0, 67.25], [165.25, 67.15], [165.5, 67.25], [165.75, 67.15], [166.0, 67.25], [166.53, 67.03], [166.68, 66.68], [166.75, 66.65], [167.0, 66.75], [167.53, 66.53], [167.68, 66.18], [167.75, 66.15], [167.82, 66.18], [167.97, 66.53], [168.5, 66.75], [168.75, 66.65], [169.0, 66.75], [169.25, 66.65], [169.32, 66.68], [169.47, 67.03], [170.0, 67.25], [170.25, 67.15], [170.5, 67.25], [170.75, 67.15], [171.0, 67.25], [171.25, 67.15], [171.5, 67.25], [171.75, 67.15], [172.0, 67.25], [172.25, 67.15], [172.5, 67.25], [172.75, 67.15], [172.82, 67.18], [172.97, 67.53], [173.5, 67.75], [173.75, 67.65], [173.82, 67.68], [173.97, 68.03], [174.5, 68.25], [175.03, 68.03], [175.18, 67.68], [175.25, 67.65], [175.5, 67.75], [175.8, 67.63], [175.97, 68.03], [176.5, 68.25], [176.75, 68.15], [177.0, 68.25], [177.53, 68.03], [177.68, 67.68], [177.75, 67.65], [178.0, 67.75], [178.25, 67.65], [178.5, 67.75], [179.03, 67.53], [179.25, 67.0], [179.03, 66.47], [178.5, 66.25], [178.25, 66.35], [178.18, 66.32], [178.03, 65.97], [177.5, 65.75], [177.25, 65.85], [177.0, 65.75], [176.75, 65.85], [176.68, 65.82], [176.53, 65.47], [176.0, 65.25], [175.47, 65.47], [175.32, 65.82], [175.25, 65.85], [175.13, 65.8], [175.25, 65.5], [175.03, 64.97], [174.5, 64.75], [174.25, 64.85], [174.0, 64.75], [173.5, 64.96], [173.0, 64.75], [172.75, 64.85], [172.5, 64.75], [172.25, 64.85], [172.0, 64.75], [171.75, 64.85], [171.5, 64.75], [171.25, 64.85], [171.18, 64.82], [171.03, 64.47], [170.68, 64.32], [170.53, 63.97], [170.18, 63.82], [170.03, 63.47], [169.5, 63.25], [169.25, 63.35], [169.0, 63.25], [168.75, 63.35], [168.68, 63.32], [168.53, 62.97], [168.18, 62.82], [168.03, 62.47], [167.5, 62.25], [167.25, 62.35], [167.0, 62.25], [166.75, 62.35], [166.5, 62.25], [166.25, 62.35], [166.0, 62.25], [165.5, 62.46], [165.0, 62.25], [164.75, 62.35], [164.5, 62.25], [164.25, 62.35], [164.0, 62.25], [163.75, 62.35], [163.5, 62.25], [163.25, 62.35], [163.0, 62.25], [162.47, 62.47], [162.25, 63.0], [162.47, 63.53], [162.82, 63.68], [162.85, 63.75], [162.75, 64.0]]]]}, "2016-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.75, 64.0], [162.85, 64.25], [162.75, 64.5], [162.97, 65.03], [163.32, 65.18], [163.35, 65.25], [163.25, 65.5], [163.35, 65.75], [163.25, 66.0], [163.47, 66.53], [164.0, 66.75], [164.25, 66.65], [164.32, 66.68], [164.47, 67.03], [165.0, 67.25], [165.25, 67.15], [165.5, 67.25], [165.75, 67.15], [166.0, 67.25], [166.53, 67.03], [166.68, 66.68], [166.75, 66.65], [167.0, 66.75], [167.53, 66.53], [167.68, 66.18], [167.75, 66.15], [167.82, 66.18], [167.97, 66.53], [168.5, 66.75], [168.75, 66.65], [169.0, 66.75], [169.25, 66.65], [169.32, 66.68], [169.47, 67.03], [170.0, 67.25], [170.25, 67.15], [170.5, 67.25], [170.75, 67.15], [171.0, 67.25], [171.25, 67.15], [171.5, 67.25], [171.75, 67.15], [172.0, 67.25], [172.25, 67.15], [172.5, 67.25], [172.75, 67.15], [172.82, 67.18], [172.97, 67.53], [173.5, 67.75], [173.75, 67.65], [173.82, 67.68], [173.97, 68.03], [174.5, 68.25], [175.03, 68.03], [175.18, 67.68], [175.25, 67.65], [175.5, 67.75], [175.8, 67.63], [175.97, 68.03], [176.5, 68.25], [176.75, 68.15], [177.0, 68.25], [177.53, 68.03], [177.75, 67.5], [177.54, 67.0], [177.75, 66.5], [177.53, 65.97], [177.0, 65.75], [176.75, 65.85], [176.5, 65.75], [176.25, 65.85], [176.0, 65.75], [175.75, 65.85], [175.5, 65.75], [175.07, 65.93], [175.25, 65.5], [175.03, 64.97], [174.5, 64.75], [174.25, 64.85], [174.0, 64.75], [173.5, 64.96], [173.0, 64.75], [172.75, 64.85], [172.5, 64.75], [172.25, 64.85], [172.0, 64.75], [171.75, 64.85], [171.5, 64.75], [171.25, 64.85], [171.18, 64.82], [171.03, 64.47], [170.68, 64.32], [170.53, 63.97], [170.18, 63.82], [170.03, 63.47], [169.5, 63.25], [169.25, 63.35], [169.0, 63.25], [168.75, 63.35], [168.68, 63.32], [168.53, 62.97], [168.18, 62.82], [168.03, 62.47], [167.5, 62.25], [167.25, 62.35], [167.0, 62.25], [166.75, 62.35], [166.5, 62.25], [166.25, 62.35], [166.0, 62.25], [165.5, 62.46], [165.0, 62.25], [164.75, 62.35], [164.5, 62.25], [164.25, 62.35], [164.0, 62.25], [163.75, 62.35], [163.5, 62.25], [163.25, 62.35], [163.0, 62.25], [162.47, 62.47], [162.25, 63.0], [162.47, 63.53], [162.82, 63.68], [162.85, 63.75], [162.75, 64.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 22.495241422531763}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 16.482518552319927}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-7.886488659290194, -8.404437125834818, -12.008392907215239, -8.906999110193624, -10.74658881396698]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-3.065831526307818, -4.19059165090863, -8.471636751532742, -3.759407252284575, -7.210463492899748]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [17.682521426247458, 17.329450850304095, 13.840812229285069, 17.60563745040551, 16.2706394035894]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [21.171425944698996, 22.495241422531763, 15.847725528945034, 21.653081329994706, 20.157654520371977]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9876260514298452, 1.926245260403568, 1.558607041264777, 2.027049764609975, 1.8714798551659402]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.313731698685935, 2.462750721464152, 1.8396960692669961, 2.398479811100984, 2.4295330897521814]}}