{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:18.106224", "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-Sep-14_to_2016-Sep-16_119.0_38.5"}, "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": 2016090001835}, "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": "September 14 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 16 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": 55004.98069002142}, "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": ["Yellow Sea"]}, "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": 38.5}, "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": 119.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "119.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 117.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 120.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 41.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.46, 39.5], [117.25, 40.0], [117.47, 40.53], [118.0, 40.75], [118.25, 40.65], [118.5, 40.75], [118.75, 40.65], [118.82, 40.68], [118.85, 40.75], [118.75, 41.0], [118.97, 41.53], [119.5, 41.75], [120.03, 41.53], [120.18, 41.18], [120.25, 41.15], [120.5, 41.25], [121.03, 41.03], [121.25, 40.5], [121.03, 39.97], [120.68, 39.82], [120.65, 39.75], [120.75, 39.5], [120.53, 38.97], [120.18, 38.82], [120.15, 38.75], [120.25, 38.5], [120.15, 38.25], [120.25, 38.0], [120.15, 37.75], [120.25, 37.5], [120.03, 36.97], [119.5, 36.75], [119.25, 36.85], [119.0, 36.75], [118.47, 36.97], [118.25, 37.5], [118.38, 37.8], [118.25, 37.85], [118.0, 37.75], [117.47, 37.97], [117.25, 38.5], [117.35, 38.75], [117.25, 39.0], [117.46, 39.5]]]]}, "2016-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.46, 39.5], [117.25, 40.0], [117.47, 40.53], [118.0, 40.75], [118.25, 40.65], [118.5, 40.75], [118.75, 40.65], [118.82, 40.68], [118.85, 40.75], [118.75, 41.0], [118.97, 41.53], [119.5, 41.75], [120.03, 41.53], [120.18, 41.18], [120.25, 41.15], [120.5, 41.25], [121.03, 41.03], [121.25, 40.5], [121.03, 39.97], [120.68, 39.82], [120.65, 39.75], [120.75, 39.5], [120.53, 38.97], [120.18, 38.82], [120.15, 38.75], [120.25, 38.5], [120.15, 38.25], [120.25, 38.0], [120.15, 37.75], [120.25, 37.5], [120.03, 36.97], [119.5, 36.75], [119.25, 36.85], [119.0, 36.75], [118.47, 36.97], [118.25, 37.5], [118.38, 37.8], [118.25, 37.85], [118.0, 37.75], [117.47, 37.97], [117.25, 38.5], [117.35, 38.75], [117.25, 39.0], [117.46, 39.5]]]]}, "2016-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.46, 39.5], [117.25, 40.0], [117.47, 40.53], [118.0, 40.75], [118.25, 40.65], [118.5, 40.75], [118.75, 40.65], [118.82, 40.68], [118.85, 40.75], [118.75, 41.0], [118.97, 41.53], [119.5, 41.75], [120.03, 41.53], [120.18, 41.18], [120.25, 41.15], [120.5, 41.25], [121.03, 41.03], [121.25, 40.5], [121.03, 39.97], [120.68, 39.82], [120.65, 39.75], [120.75, 39.5], [120.53, 38.97], [120.18, 38.82], [120.15, 38.75], [120.25, 38.5], [120.15, 38.25], [120.25, 38.0], [120.15, 37.75], [120.25, 37.5], [120.03, 36.97], [119.5, 36.75], [119.25, 36.85], [119.0, 36.75], [118.47, 36.97], [118.25, 37.5], [118.38, 37.8], [118.25, 37.85], [118.0, 37.75], [117.47, 37.97], [117.25, 38.5], [117.35, 38.75], [117.25, 39.0], [117.46, 39.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.443161131156444}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7995090961227844}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.730310912839116, 24.230586439993317, 23.645054721667293]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.12364449865362, 25.4675553706885, 25.163089174325876]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.408113717000046, 3.138393555364664, 2.8520200160036433]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.6638429621709747, 4.443161131156444, 3.8719887672531854]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4152817331255083, 1.8211901323382167, 1.601710635448325]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6771441166764083, 2.1629304721271776, 1.871331589700825]}}