{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:01.563911", "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": "2014-Dec-26_to_2014-Dec-30_130.5_47.5"}, "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": 2014120002758}, "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": "December 26 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 30 2014"}, "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": 97141.94017503431}, "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": 47.5}, "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": 130.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "130.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 125.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 131.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 46.25}, "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": {"2014-12-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.25, 50.0], [125.47, 50.53], [126.0, 50.75], [126.25, 50.65], [126.5, 50.75], [127.03, 50.53], [127.25, 50.0], [127.15, 49.75], [127.25, 49.5], [127.03, 48.97], [126.5, 48.75], [125.97, 48.97], [125.82, 49.32], [125.47, 49.47], [125.25, 50.0]]]]}, "2014-12-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.35, 48.25], [125.25, 48.5], [125.35, 48.75], [125.25, 49.0], [125.35, 49.25], [125.25, 49.5], [125.35, 49.75], [125.25, 50.0], [125.47, 50.53], [126.0, 50.75], [126.25, 50.65], [126.5, 50.75], [127.03, 50.53], [127.25, 50.0], [127.15, 49.75], [127.18, 49.68], [127.25, 49.65], [127.5, 49.75], [128.03, 49.53], [128.18, 49.18], [128.25, 49.15], [128.5, 49.25], [128.75, 49.15], [129.0, 49.25], [129.25, 49.15], [129.5, 49.25], [129.75, 49.15], [130.0, 49.25], [130.53, 49.03], [130.68, 48.68], [130.75, 48.65], [131.0, 48.75], [131.53, 48.53], [131.68, 48.18], [132.03, 48.03], [132.25, 47.5], [132.03, 46.97], [131.68, 46.82], [131.53, 46.47], [131.0, 46.25], [130.75, 46.35], [130.68, 46.32], [130.53, 45.97], [130.0, 45.75], [129.47, 45.97], [129.3, 46.38], [129.0, 46.25], [128.75, 46.35], [128.5, 46.25], [128.25, 46.35], [128.0, 46.25], [127.75, 46.35], [127.5, 46.25], [127.25, 46.35], [127.0, 46.25], [126.47, 46.47], [126.32, 46.82], [126.25, 46.85], [126.0, 46.75], [125.47, 46.97], [125.25, 47.5], [125.35, 47.75], [125.25, 48.0], [125.35, 48.25]]]]}, "2014-12-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.35, 48.25], [125.25, 48.5], [125.35, 48.75], [125.25, 49.0], [125.35, 49.25], [125.25, 49.5], [125.35, 49.75], [125.25, 50.0], [125.47, 50.53], [126.0, 50.75], [126.25, 50.65], [126.5, 50.75], [127.03, 50.53], [127.25, 50.0], [127.15, 49.75], [127.18, 49.68], [127.25, 49.65], [127.5, 49.75], [128.03, 49.53], [128.18, 49.18], [128.25, 49.15], [128.5, 49.25], [128.75, 49.15], [129.0, 49.25], [129.25, 49.15], [129.5, 49.25], [129.75, 49.15], [130.0, 49.25], [130.53, 49.03], [130.68, 48.68], [130.75, 48.65], [131.0, 48.75], [131.53, 48.53], [131.68, 48.18], [132.03, 48.03], [132.25, 47.5], [132.03, 46.97], [131.68, 46.82], [131.53, 46.47], [131.0, 46.25], [130.75, 46.35], [130.68, 46.32], [130.53, 45.97], [130.0, 45.75], [129.47, 45.97], [129.3, 46.38], [129.0, 46.25], [128.75, 46.35], [128.5, 46.25], [128.25, 46.35], [128.0, 46.25], [127.75, 46.35], [127.5, 46.25], [127.25, 46.35], [127.0, 46.25], [126.47, 46.47], [126.32, 46.82], [126.25, 46.85], [126.0, 46.75], [125.47, 46.97], [125.25, 47.5], [125.35, 47.75], [125.25, 48.0], [125.35, 48.25]]]]}, "2014-12-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.35, 48.25], [125.25, 48.5], [125.35, 48.75], [125.25, 49.0], [125.35, 49.25], [125.25, 49.5], [125.35, 49.75], [125.25, 50.0], [125.47, 50.53], [126.0, 50.75], [126.53, 50.53], [126.68, 50.18], [127.03, 50.03], [127.18, 49.68], [127.25, 49.65], [127.5, 49.75], [128.03, 49.53], [128.18, 49.18], [128.25, 49.15], [128.5, 49.25], [128.75, 49.15], [129.0, 49.25], [129.25, 49.15], [129.5, 49.25], [129.75, 49.15], [130.0, 49.25], [130.53, 49.03], [130.68, 48.68], [130.75, 48.65], [131.0, 48.75], [131.53, 48.53], [131.68, 48.18], [132.03, 48.03], [132.25, 47.5], [132.03, 46.97], [131.68, 46.82], [131.53, 46.47], [131.0, 46.25], [130.75, 46.35], [130.68, 46.32], [130.53, 45.97], [130.0, 45.75], [129.47, 45.97], [129.3, 46.38], [129.0, 46.25], [128.75, 46.35], [128.5, 46.25], [128.25, 46.35], [128.0, 46.25], [127.75, 46.35], [127.5, 46.25], [127.25, 46.35], [127.0, 46.25], [126.47, 46.47], [126.32, 46.82], [126.25, 46.85], [126.0, 46.75], [125.47, 46.97], [125.25, 47.5], [125.35, 47.75], [125.25, 48.0], [125.35, 48.25]]]]}, "2014-12-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.5, 48.25], [130.75, 48.15], [131.0, 48.25], [131.53, 48.03], [131.75, 47.5], [131.53, 46.97], [131.18, 46.82], [131.03, 46.47], [130.5, 46.25], [129.97, 46.47], [129.75, 47.0], [129.85, 47.25], [129.75, 47.5], [129.97, 48.03], [130.5, 48.25]]], [[[126.0, 48.75], [126.25, 48.65], [126.5, 48.75], [127.03, 48.53], [127.18, 48.18], [127.53, 48.03], [127.68, 47.68], [128.03, 47.53], [128.25, 47.0], [128.03, 46.47], [127.5, 46.25], [127.25, 46.35], [127.0, 46.25], [126.47, 46.47], [126.32, 46.82], [126.25, 46.85], [126.0, 46.75], [125.47, 46.97], [125.25, 47.5], [125.35, 47.75], [125.25, 48.0], [125.47, 48.53], [126.0, 48.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.797238221083717}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.91233425003219}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-16.900636198111158, -13.046476077856198, -11.427904028611806, -14.106321859193372, -14.204243065794117]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-16.32826544223633, -9.259543590025544, -8.14121143502365, -10.401085295895484, -12.676673271944367]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.6238415262880705, 7.698468123011483, 9.443585127347212, 7.101555564477056, 6.136755694325808]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.179629058860627, 10.908644051786126, 11.797238221083717, 8.732046752002134, 6.8964348965887154]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3603492396315915, 1.7516783895081363, 2.168879542662329, 1.6161409272751108, 1.4031257915966082]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5112005935271724, 2.1845488483939484, 2.647389477777518, 2.0741198587660494, 1.5521816510043505]}}