{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:04.163273", "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-Apr-07_to_2016-Apr-09_85.5_41.5"}, "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": 2016040001207}, "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": "April 07 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 09 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": 53120.23693857342}, "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": 41.5}, "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": 85.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "85.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 84.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 89.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 40.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 42.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.97, 42.53], [84.5, 42.75], [84.75, 42.65], [85.0, 42.75], [85.25, 42.65], [85.5, 42.75], [85.75, 42.65], [86.0, 42.75], [86.25, 42.65], [86.5, 42.75], [86.8, 42.63], [86.97, 43.03], [87.5, 43.25], [88.03, 43.03], [88.18, 42.68], [88.25, 42.65], [88.5, 42.75], [88.75, 42.65], [89.0, 42.75], [89.53, 42.53], [89.75, 42.0], [89.53, 41.47], [89.18, 41.32], [89.15, 41.25], [89.25, 41.0], [89.03, 40.47], [88.5, 40.25], [88.25, 40.35], [88.0, 40.25], [87.5, 40.46], [87.0, 40.25], [86.75, 40.35], [86.5, 40.25], [85.97, 40.47], [85.82, 40.82], [85.75, 40.85], [85.5, 40.75], [85.25, 40.85], [85.0, 40.75], [84.75, 40.85], [84.5, 40.75], [83.97, 40.97], [83.75, 41.5], [83.85, 41.75], [83.75, 42.0], [83.97, 42.53]]]]}, "2016-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.97, 42.53], [84.5, 42.75], [84.75, 42.65], [85.0, 42.75], [85.25, 42.65], [85.5, 42.75], [85.75, 42.65], [86.0, 42.75], [86.25, 42.65], [86.5, 42.75], [86.8, 42.63], [86.97, 43.03], [87.5, 43.25], [88.03, 43.03], [88.18, 42.68], [88.25, 42.65], [88.5, 42.75], [88.75, 42.65], [89.0, 42.75], [89.53, 42.53], [89.75, 42.0], [89.53, 41.47], [89.18, 41.32], [89.15, 41.25], [89.25, 41.0], [89.03, 40.47], [88.5, 40.25], [88.25, 40.35], [88.0, 40.25], [87.5, 40.46], [87.0, 40.25], [86.75, 40.35], [86.5, 40.25], [85.97, 40.47], [85.82, 40.82], [85.75, 40.85], [85.5, 40.75], [85.25, 40.85], [85.0, 40.75], [84.75, 40.85], [84.5, 40.75], [83.97, 40.97], [83.75, 41.5], [83.85, 41.75], [83.75, 42.0], [83.97, 42.53]]]]}, "2016-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.97, 42.53], [84.5, 42.75], [84.75, 42.65], [85.0, 42.75], [85.25, 42.65], [85.5, 42.75], [85.75, 42.65], [86.0, 42.75], [86.25, 42.65], [86.5, 42.75], [86.8, 42.63], [86.97, 43.03], [87.5, 43.25], [88.03, 43.03], [88.18, 42.68], [88.25, 42.65], [88.5, 42.75], [88.75, 42.65], [89.0, 42.75], [89.53, 42.53], [89.75, 42.0], [89.53, 41.47], [89.18, 41.32], [89.15, 41.25], [89.25, 41.0], [89.03, 40.47], [88.5, 40.25], [88.25, 40.35], [88.0, 40.25], [87.5, 40.46], [87.0, 40.25], [86.75, 40.35], [86.5, 40.25], [85.97, 40.47], [85.82, 40.82], [85.75, 40.85], [85.5, 40.75], [85.25, 40.85], [85.0, 40.75], [84.75, 40.85], [84.5, 40.75], [83.97, 40.97], [83.75, 41.5], [83.85, 41.75], [83.75, 42.0], [83.97, 42.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.758843274613014}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.538690036584147}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.081918835833903, 17.66552954772692, 18.020224982361697]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.285931123202488, 21.07471322274472, 21.347806362973813]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.189835599647465, 5.646918557510367, 5.77931595259461]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.921335533926197, 6.758843274613014, 6.7303248500837185]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2962340395957397, 1.3936719742781936, 1.4258127030989527]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.443304763765221, 1.578107952975229, 1.5490805218990005]}}