{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:48.930986", "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-Dec-02_to_2016-Dec-04_114.0_35.0"}, "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": 2016120001208}, "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 02 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 04 2016"}, "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": 62476.74804903194}, "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.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": 35.0}, "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": 114.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "114.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 113.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 118.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 33.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.35, 35.25], [113.25, 35.5], [113.47, 36.03], [113.82, 36.18], [113.85, 36.25], [113.75, 36.5], [113.97, 37.03], [114.5, 37.25], [114.8, 37.13], [114.97, 37.53], [115.5, 37.75], [115.75, 37.65], [115.82, 37.68], [115.97, 38.03], [116.5, 38.25], [116.75, 38.15], [117.0, 38.25], [117.25, 38.15], [117.5, 38.25], [118.03, 38.03], [118.18, 37.68], [118.53, 37.53], [118.75, 37.0], [118.53, 36.47], [118.0, 36.25], [117.75, 36.35], [117.5, 36.25], [117.25, 36.35], [117.0, 36.25], [116.75, 36.35], [116.5, 36.25], [116.25, 36.35], [116.18, 36.32], [116.15, 36.25], [116.18, 36.18], [116.53, 36.03], [116.75, 35.5], [116.53, 34.97], [116.0, 34.75], [115.75, 34.85], [115.68, 34.82], [115.53, 34.47], [115.18, 34.32], [115.15, 34.25], [115.25, 34.0], [115.03, 33.47], [114.5, 33.25], [113.97, 33.47], [113.82, 33.82], [113.47, 33.97], [113.25, 34.5], [113.35, 34.75], [113.25, 35.0], [113.35, 35.25]]]]}, "2016-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.35, 35.25], [113.25, 35.5], [113.47, 36.03], [113.82, 36.18], [113.85, 36.25], [113.75, 36.5], [113.97, 37.03], [114.5, 37.25], [114.8, 37.13], [114.97, 37.53], [115.5, 37.75], [115.75, 37.65], [115.82, 37.68], [115.97, 38.03], [116.5, 38.25], [116.75, 38.15], [117.0, 38.25], [117.25, 38.15], [117.5, 38.25], [118.03, 38.03], [118.18, 37.68], [118.53, 37.53], [118.75, 37.0], [118.53, 36.47], [118.0, 36.25], [117.75, 36.35], [117.5, 36.25], [117.25, 36.35], [117.0, 36.25], [116.75, 36.35], [116.5, 36.25], [116.25, 36.35], [116.18, 36.32], [116.15, 36.25], [116.18, 36.18], [116.53, 36.03], [116.75, 35.5], [116.53, 34.97], [116.0, 34.75], [115.75, 34.85], [115.68, 34.82], [115.53, 34.47], [115.18, 34.32], [115.15, 34.25], [115.25, 34.0], [115.03, 33.47], [114.5, 33.25], [113.97, 33.47], [113.82, 33.82], [113.47, 33.97], [113.25, 34.5], [113.35, 34.75], [113.25, 35.0], [113.35, 35.25]]]]}, "2016-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.35, 35.25], [113.25, 35.5], [113.47, 36.03], [113.82, 36.18], [113.85, 36.25], [113.75, 36.5], [113.97, 37.03], [114.5, 37.25], [114.8, 37.13], [114.97, 37.53], [115.5, 37.75], [115.75, 37.65], [115.82, 37.68], [115.97, 38.03], [116.5, 38.25], [116.75, 38.15], [117.0, 38.25], [117.25, 38.15], [117.5, 38.25], [118.03, 38.03], [118.18, 37.68], [118.53, 37.53], [118.75, 37.0], [118.53, 36.47], [118.0, 36.25], [117.75, 36.35], [117.5, 36.25], [117.25, 36.35], [117.0, 36.25], [116.75, 36.35], [116.5, 36.25], [116.25, 36.35], [116.18, 36.32], [116.15, 36.25], [116.18, 36.18], [116.53, 36.03], [116.75, 35.5], [116.53, 34.97], [116.0, 34.75], [115.75, 34.85], [115.68, 34.82], [115.53, 34.47], [115.18, 34.32], [115.15, 34.25], [115.25, 34.0], [115.03, 33.47], [114.5, 33.25], [113.97, 33.47], [113.82, 33.82], [113.47, 33.97], [113.25, 34.5], [113.35, 34.75], [113.25, 35.0], [113.35, 35.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.883234990324752}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.970436611819707}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [7.8180905584591756, 8.670863885075562, 7.758869402640414]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [8.99690897904344, 10.587780322906099, 11.419659990307707]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.392001587824709, 5.591180074649515, 4.928128172984898]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.106702263512432, 6.573215991929374, 6.883234990324752]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4564590033195826, 1.8417311620825025, 1.6512780577332282]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.710977897875035, 2.2491059389476513, 2.3451553995913734]}}