{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:09.392027", "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": "2015-Jan-03_to_2015-Jan-05_113.0_29.0"}, "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": 2015010001767}, "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": "January 03 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 05 2015"}, "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": 80783.25131948879}, "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": 29.0}, "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": 109.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 115.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, 31.03], [109.82, 31.18], [109.97, 31.53], [110.5, 31.75], [111.03, 31.53], [111.25, 31.0], [111.15, 30.75], [111.18, 30.68], [111.5, 30.54], [112.0, 30.75], [112.25, 30.65], [112.5, 30.75], [112.75, 30.65], [113.0, 30.75], [113.5, 30.54], [114.0, 30.75], [114.53, 30.53], [114.68, 30.18], [114.75, 30.15], [115.0, 30.25], [115.53, 30.03], [115.75, 29.5], [115.53, 28.97], [115.0, 28.75], [114.75, 28.85], [114.5, 28.75], [114.2, 28.88], [114.03, 28.47], [113.68, 28.32], [113.53, 27.97], [113.0, 27.75], [112.75, 27.85], [112.5, 27.75], [112.25, 27.85], [112.18, 27.82], [112.03, 27.47], [111.5, 27.25], [111.25, 27.35], [111.0, 27.25], [110.47, 27.47], [110.25, 28.0], [110.43, 28.43], [110.0, 28.25], [109.47, 28.47], [109.25, 29.0], [109.46, 29.5], [109.25, 30.0], [109.35, 30.25], [109.25, 30.5], [109.47, 31.03]], [[110.57, 28.57], [110.82, 28.68], [110.85, 28.75], [110.8, 28.88], [110.68, 28.82], [110.57, 28.57]]]]}, "2015-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, 31.03], [109.82, 31.18], [109.97, 31.53], [110.5, 31.75], [111.03, 31.53], [111.25, 31.0], [111.15, 30.75], [111.18, 30.68], [111.5, 30.54], [112.0, 30.75], [112.25, 30.65], [112.5, 30.75], [112.75, 30.65], [113.0, 30.75], [113.5, 30.54], [114.0, 30.75], [114.53, 30.53], [114.68, 30.18], [114.75, 30.15], [115.0, 30.25], [115.53, 30.03], [115.75, 29.5], [115.53, 28.97], [115.0, 28.75], [114.75, 28.85], [114.5, 28.75], [114.2, 28.88], [114.03, 28.47], [113.68, 28.32], [113.53, 27.97], [113.0, 27.75], [112.75, 27.85], [112.5, 27.75], [112.25, 27.85], [112.18, 27.82], [112.03, 27.47], [111.5, 27.25], [111.25, 27.35], [111.0, 27.25], [110.47, 27.47], [110.25, 28.0], [110.43, 28.43], [110.0, 28.25], [109.47, 28.47], [109.25, 29.0], [109.46, 29.5], [109.25, 30.0], [109.35, 30.25], [109.25, 30.5], [109.47, 31.03]], [[110.57, 28.57], [110.82, 28.68], [110.85, 28.75], [110.8, 28.88], [110.68, 28.82], [110.57, 28.57]]]]}, "2015-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, 31.03], [109.82, 31.18], [109.97, 31.53], [110.5, 31.75], [111.03, 31.53], [111.25, 31.0], [111.15, 30.75], [111.18, 30.68], [111.5, 30.54], [112.0, 30.75], [112.25, 30.65], [112.5, 30.75], [112.75, 30.65], [113.0, 30.75], [113.5, 30.54], [114.0, 30.75], [114.53, 30.53], [114.68, 30.18], [114.75, 30.15], [115.0, 30.25], [115.53, 30.03], [115.75, 29.5], [115.53, 28.97], [115.0, 28.75], [114.75, 28.85], [114.5, 28.75], [114.2, 28.88], [114.03, 28.47], [113.68, 28.32], [113.53, 27.97], [113.0, 27.75], [112.75, 27.85], [112.5, 27.75], [112.25, 27.85], [112.18, 27.82], [112.03, 27.47], [111.5, 27.25], [111.25, 27.35], [111.0, 27.25], [110.47, 27.47], [110.25, 28.0], [110.43, 28.43], [110.0, 28.25], [109.47, 28.47], [109.25, 29.0], [109.46, 29.5], [109.25, 30.0], [109.35, 30.25], [109.25, 30.5], [109.47, 31.03]], [[110.57, 28.57], [110.82, 28.68], [110.85, 28.75], [110.8, 28.88], [110.68, 28.82], [110.57, 28.57]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.826278473614707}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.207493102383569}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.760481602432776, 12.927069225393495, 10.190656672273121]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.867775825951185, 15.984683832759572, 13.158779134965698]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.873713885244369, 8.152086223356461, 5.596679198549875]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.972960513020325, 9.826278473614707, 7.197135240889395]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4294659082097998, 2.524953896531308, 1.7786670647037959]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6547223831365905, 3.0912021458776935, 2.2411304326180237]}}