{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:13.939576", "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": "2013-Nov-26_to_2013-Nov-28_139.5_59.0"}, "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": 2013110002577}, "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 26 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 28 2013"}, "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": 51001.90599827885}, "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-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": ["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": 59.0}, "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": 139.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "139.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 137.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 143.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 55.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 59.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.97, 59.53], [137.5, 59.75], [137.75, 59.65], [138.0, 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59.75], [137.75, 59.65], [138.0, 59.75], [138.25, 59.65], [138.5, 59.75], [138.75, 59.65], [139.0, 59.75], [139.25, 59.65], [139.5, 59.75], [140.03, 59.53], [140.18, 59.18], [140.53, 59.03], [140.68, 58.68], [140.75, 58.65], [141.0, 58.75], [141.5, 58.54], [142.0, 58.75], [142.53, 58.53], [142.68, 58.18], [142.75, 58.15], [143.0, 58.25], [143.53, 58.03], [143.75, 57.5], [143.53, 56.97], [143.0, 56.75], [142.75, 56.85], [142.5, 56.75], [142.25, 56.85], [142.18, 56.82], [142.15, 56.75], [142.25, 56.5], [142.03, 55.97], [141.68, 55.82], [141.53, 55.47], [141.0, 55.25], [140.47, 55.47], [140.32, 55.82], [139.97, 55.97], [139.75, 56.5], [139.85, 56.75], [139.82, 56.82], [139.75, 56.85], [139.5, 56.75], [138.97, 56.97], [138.82, 57.32], [138.47, 57.47], [138.32, 57.82], [138.25, 57.85], [138.0, 57.75], [137.75, 57.85], [137.5, 57.75], [136.97, 57.97], [136.75, 58.5], [136.85, 58.75], [136.75, 59.0], [136.97, 59.53]]]]}, "2013-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": 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amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 22.643672805909745}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 11.036775561056876}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-10.445506293829851, -4.525156858260118, -9.071536631634558]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-0.13088009862093486, 0.16429263012929596, -1.4037419354452823]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.240009960658528, 14.550559264828907, 10.319757457683199]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [11.967446954846366, 22.643672805909745, 17.67748437510167]}, 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