{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:39.001823", "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": "2018-Nov-28_to_2018-Dec-02_80.5_37.5"}, "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": 2018110002948}, "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 28 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 02 2018"}, "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": 66062.25236649791}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia"]}, "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": 37.5}, "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": 80.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "80.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 79.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 85.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.5, 38.25], [81.03, 38.03], [81.25, 37.5], [81.03, 36.97], [80.5, 36.75], [79.97, 36.97], [79.75, 37.5], [79.97, 38.03], [80.5, 38.25]]]]}, "2018-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.82, 38.68], [80.97, 39.03], [81.5, 39.25], [81.75, 39.15], [82.0, 39.25], [82.25, 39.15], [82.5, 39.25], [83.03, 39.03], [83.25, 38.5], [83.15, 38.25], [83.18, 38.18], [83.25, 38.15], [83.5, 38.25], [84.03, 38.03], [84.25, 37.5], [84.03, 36.97], [83.5, 36.75], [83.25, 36.85], [83.0, 36.75], [82.47, 36.97], [82.32, 37.32], [82.25, 37.35], [82.0, 37.25], [81.75, 37.35], [81.5, 37.25], [81.25, 37.35], [81.18, 37.32], [81.03, 36.97], [80.5, 36.75], [79.97, 36.97], [79.75, 37.5], [79.97, 38.03], [80.32, 38.18], [80.47, 38.53], [80.82, 38.68]]]]}, "2018-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.25, 37.5], [79.47, 38.03], [80.0, 38.25], [80.25, 38.15], [80.32, 38.18], [80.47, 38.53], [80.82, 38.68], [80.97, 39.03], [81.5, 39.25], [81.75, 39.15], [82.0, 39.25], [82.25, 39.15], [82.5, 39.25], [83.03, 39.03], [83.18, 38.68], [83.25, 38.65], [83.5, 38.75], [83.75, 38.65], [84.0, 38.75], [84.25, 38.65], [84.5, 38.75], [84.75, 38.65], [85.0, 38.75], [85.53, 38.53], [85.75, 38.0], [85.53, 37.47], [85.0, 37.25], [84.75, 37.35], [84.68, 37.32], [84.53, 36.97], [84.0, 36.75], [83.75, 36.85], [83.68, 36.82], [83.53, 36.47], [83.0, 36.25], [82.75, 36.35], [82.5, 36.25], [82.25, 36.35], [82.0, 36.25], [81.75, 36.35], [81.5, 36.25], [81.25, 36.35], [81.0, 36.25], [80.75, 36.35], [80.5, 36.25], [79.97, 36.47], [79.82, 36.82], [79.47, 36.97], [79.25, 37.5]]]]}, "2018-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.25, 37.5], [79.47, 38.03], [80.0, 38.25], [80.25, 38.15], [80.32, 38.18], [80.47, 38.53], [80.82, 38.68], [80.97, 39.03], [81.5, 39.25], [81.75, 39.15], [82.0, 39.25], [82.25, 39.15], [82.5, 39.25], [83.03, 39.03], [83.18, 38.68], [83.25, 38.65], [83.5, 38.75], [83.75, 38.65], [84.0, 38.75], [84.25, 38.65], [84.5, 38.75], [84.75, 38.65], [85.0, 38.75], [85.53, 38.53], [85.75, 38.0], [85.53, 37.47], [85.0, 37.25], [84.75, 37.35], [84.68, 37.32], [84.53, 36.97], [84.0, 36.75], [83.75, 36.85], [83.68, 36.82], [83.53, 36.47], [83.0, 36.25], [82.75, 36.35], [82.5, 36.25], [82.25, 36.35], [82.0, 36.25], [81.75, 36.35], [81.5, 36.25], [81.25, 36.35], [81.0, 36.25], [80.75, 36.35], [80.5, 36.25], [79.97, 36.47], [79.82, 36.82], [79.47, 36.97], [79.25, 37.5]]]]}, "2018-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.25, 37.5], [79.47, 38.03], [80.0, 38.25], [80.25, 38.15], [80.5, 38.25], [80.75, 38.15], [81.0, 38.25], [81.25, 38.15], [81.5, 38.25], [81.75, 38.15], [82.0, 38.25], [82.25, 38.15], [82.32, 38.18], [82.47, 38.53], [83.0, 38.75], [83.25, 38.65], [83.5, 38.75], [83.75, 38.65], [84.0, 38.75], [84.25, 38.65], [84.5, 38.75], [84.75, 38.65], [85.0, 38.75], [85.53, 38.53], [85.75, 38.0], [85.53, 37.47], [85.0, 37.25], [84.75, 37.35], [84.68, 37.32], [84.53, 36.97], [84.0, 36.75], [83.75, 36.85], [83.68, 36.82], [83.53, 36.47], [83.0, 36.25], [82.75, 36.35], [82.5, 36.25], [82.25, 36.35], [82.0, 36.25], [81.75, 36.35], [81.5, 36.25], [81.25, 36.35], [81.0, 36.25], [80.75, 36.35], [80.5, 36.25], [79.97, 36.47], [79.82, 36.82], [79.47, 36.97], [79.25, 37.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.686021757660001}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.296579092668964}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [2.355633866462199, 1.196839975691148, 2.310500863859261, 3.4302006601155313, 2.825950738045094]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [2.355633866462199, 2.316343425440948, 5.307181398528769, 5.988464590068077, 4.878489975749346]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8980907525516955, 2.965821867264208, 3.852957523125585, 5.129961206162363, 4.50570538804468]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8980907525516955, 3.1335375842089093, 5.1742836893995445, 6.686021757660001, 5.816912415430238]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.408767436793467, 1.5000445128867637, 1.7378663850791636, 2.2614648512105218, 1.8643794082936775]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.408767436793467, 1.5823486526857904, 2.0919703821070703, 3.0783137360016775, 2.261447330690778]}}