{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:48.965261", "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_113.0_37.0"}, "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": 2016120001212}, "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": 67069.62862388312}, "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", "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": 37.0}, "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": 113.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "113.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 108.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 113.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 35.25}, "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": [[[[107.96, 37.0], [107.75, 37.5], [107.97, 38.03], [108.5, 38.25], [108.75, 38.15], [109.0, 38.25], [109.25, 38.15], [109.5, 38.25], [110.03, 38.03], [110.18, 37.68], [110.5, 37.54], [111.0, 37.75], [111.5, 37.54], [112.0, 37.75], [112.5, 37.54], [113.0, 37.75], [113.25, 37.65], [113.5, 37.75], [114.03, 37.53], [114.25, 37.0], [114.03, 36.47], [113.68, 36.32], [113.53, 35.97], [113.0, 35.75], [112.75, 35.85], [112.68, 35.82], [112.53, 35.47], [112.18, 35.32], [112.03, 34.97], [111.5, 34.75], [111.25, 34.85], [111.0, 34.75], [110.47, 34.97], [110.32, 35.32], [110.25, 35.35], [110.0, 35.25], [109.75, 35.35], [109.68, 35.32], [109.53, 34.97], [109.0, 34.75], [108.47, 34.97], [108.32, 35.32], [107.97, 35.47], [107.75, 36.0], [107.85, 36.25], [107.75, 36.5], [107.96, 37.0]]]]}, "2016-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.96, 37.0], [107.75, 37.5], [107.97, 38.03], [108.5, 38.25], [108.75, 38.15], [109.0, 38.25], [109.25, 38.15], [109.5, 38.25], [110.03, 38.03], [110.18, 37.68], [110.5, 37.54], [111.0, 37.75], [111.5, 37.54], [112.0, 37.75], [112.5, 37.54], [113.0, 37.75], [113.25, 37.65], [113.5, 37.75], [114.03, 37.53], [114.25, 37.0], [114.03, 36.47], [113.68, 36.32], [113.53, 35.97], [113.0, 35.75], [112.75, 35.85], [112.68, 35.82], [112.53, 35.47], [112.18, 35.32], [112.03, 34.97], [111.5, 34.75], [111.25, 34.85], [111.0, 34.75], [110.47, 34.97], [110.32, 35.32], [110.25, 35.35], [110.0, 35.25], [109.75, 35.35], [109.68, 35.32], [109.53, 34.97], [109.0, 34.75], [108.47, 34.97], [108.32, 35.32], [107.97, 35.47], [107.75, 36.0], [107.85, 36.25], [107.75, 36.5], [107.96, 37.0]]]]}, "2016-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.96, 37.0], [107.75, 37.5], [107.97, 38.03], [108.5, 38.25], [108.75, 38.15], [109.0, 38.25], [109.25, 38.15], [109.5, 38.25], [110.03, 38.03], [110.18, 37.68], [110.5, 37.54], [111.0, 37.75], [111.5, 37.54], [112.0, 37.75], [112.5, 37.54], [113.0, 37.75], [113.25, 37.65], [113.5, 37.75], [114.03, 37.53], [114.25, 37.0], [114.03, 36.47], [113.68, 36.32], [113.53, 35.97], [113.0, 35.75], [112.75, 35.85], [112.68, 35.82], [112.53, 35.47], [112.18, 35.32], [112.03, 34.97], [111.5, 34.75], [111.25, 34.85], [111.0, 34.75], [110.47, 34.97], [110.32, 35.32], [110.25, 35.35], [110.0, 35.25], [109.75, 35.35], [109.68, 35.32], [109.53, 34.97], [109.0, 34.75], [108.47, 34.97], [108.32, 35.32], [107.97, 35.47], [107.75, 36.0], [107.85, 36.25], [107.75, 36.5], [107.96, 37.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.323211908333178}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.838213943621664}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [2.667751866322021, 2.4861456510624294, 4.191847890490578]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.72330215626647, 5.308992202658942, 6.193213800708577]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.067303563456758, 4.253296805938884, 6.19404146146935]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.9316101404380674, 5.78853925457372, 7.323211908333178]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3842472041012859, 1.403768418936653, 2.046353710707451]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.887395805180107, 1.5996377741863512, 2.5079842166537545]}}