{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:41.846169", "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": "2011-Oct-13_to_2011-Oct-15_132.0_48.5"}, "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": 2011100002215}, "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": "October 13 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 15 2011"}, "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": 148594.35028064792}, "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": ["China", "Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Siberia", "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": 48.5}, "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": 132.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "132.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 126.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 134.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 45.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 50.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, 47.0], [126.47, 47.53], [127.0, 47.75], [127.5, 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[128.5, 44.75], [127.97, 44.97], [127.82, 45.32], [127.47, 45.47], [127.32, 45.82], [126.97, 45.97], [126.82, 46.32], [126.47, 46.47], [126.25, 47.0]]]]}, "2011-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, 47.0], [126.47, 47.53], [127.0, 47.75], [127.5, 47.54], [128.0, 47.75], [128.25, 47.65], [128.32, 47.68], [128.47, 48.03], [128.82, 48.18], [128.85, 48.25], [128.75, 48.5], [128.97, 49.03], [129.5, 49.25], [129.75, 49.15], [129.88, 49.2], [129.75, 49.5], [129.85, 49.75], [129.75, 50.0], [129.97, 50.53], [130.5, 50.75], [130.75, 50.65], [131.0, 50.75], [131.53, 50.53], [131.7, 50.13], [132.0, 50.25], [132.25, 50.15], [132.5, 50.25], [132.75, 50.15], [133.0, 50.25], [133.53, 50.03], [133.75, 49.5], [133.63, 49.2], [133.75, 49.15], [134.0, 49.25], [134.53, 49.03], [134.75, 48.5], [134.53, 47.97], [134.18, 47.82], [134.04, 47.5], [134.25, 47.0], [134.03, 46.47], [133.68, 46.32], [133.65, 46.25], [133.75, 46.0], [133.65, 45.75], [133.75, 45.5], [133.53, 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6.0579248651119135}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.590270763436706, 10.961279296664031, 9.94171354970024]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.197875692391392, 14.365224822134621, 12.833359120092325]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.271651895091769, 6.216344067522946, 5.6857786327210365]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.788457496292779, 8.07364149585311, 6.958115104932915]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7827353194202047, 1.7686993170920748, 1.6938685724321738]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0924182645646328, 2.129418155097462, 1.9735453205735807]}}