{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:36:14.600195", "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": "2023-Aug-01_to_2023-Aug-03_114.0_43.5"}, "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": 2023080000906}, "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": "August 01 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 03 2023"}, "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": 68381.68815694845}, "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": 43.5}, "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": 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": 109.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 114.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 41.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 44.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.32, 42.68], [110.47, 43.03], [110.82, 43.18], [110.97, 43.53], [111.32, 43.68], [111.47, 44.03], [111.82, 44.18], [111.97, 44.53], [112.5, 44.75], [113.03, 44.53], [113.18, 44.18], [113.25, 44.15], [113.5, 44.25], [113.75, 44.15], [114.0, 44.25], [114.53, 44.03], [114.75, 43.5], [114.65, 43.25], [114.75, 43.0], [114.53, 42.47], [114.18, 42.32], [114.03, 41.97], [113.68, 41.82], [113.65, 41.75], [113.75, 41.5], [113.53, 40.97], [113.0, 40.75], [112.75, 40.85], [112.5, 40.75], [112.25, 40.85], [112.0, 40.75], [111.75, 40.85], [111.5, 40.75], [111.25, 40.85], [111.0, 40.75], [110.75, 40.85], [110.5, 40.75], [110.25, 40.85], [110.0, 40.75], [109.47, 40.97], [109.25, 41.5], [109.47, 42.03], [109.82, 42.18], [109.97, 42.53], [110.32, 42.68]]]]}, "2023-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.32, 42.68], [110.47, 43.03], [110.82, 43.18], [110.97, 43.53], [111.32, 43.68], [111.47, 44.03], [111.82, 44.18], [111.97, 44.53], [112.5, 44.75], [113.03, 44.53], [113.18, 44.18], [113.25, 44.15], [113.5, 44.25], [113.75, 44.15], [114.0, 44.25], [114.53, 44.03], [114.75, 43.5], [114.65, 43.25], [114.75, 43.0], [114.53, 42.47], [114.18, 42.32], [114.03, 41.97], [113.68, 41.82], [113.65, 41.75], [113.75, 41.5], [113.53, 40.97], [113.0, 40.75], [112.75, 40.85], [112.5, 40.75], [112.25, 40.85], [112.0, 40.75], [111.75, 40.85], [111.5, 40.75], [111.25, 40.85], [111.0, 40.75], [110.75, 40.85], [110.5, 40.75], [110.25, 40.85], [110.0, 40.75], [109.47, 40.97], [109.25, 41.5], [109.47, 42.03], [109.82, 42.18], [109.97, 42.53], [110.32, 42.68]]]]}, "2023-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.32, 42.68], [110.47, 43.03], [110.82, 43.18], [110.97, 43.53], [111.32, 43.68], [111.47, 44.03], [111.82, 44.18], [111.97, 44.53], [112.5, 44.75], [113.03, 44.53], [113.18, 44.18], [113.25, 44.15], [113.5, 44.25], [113.75, 44.15], [114.0, 44.25], [114.53, 44.03], [114.75, 43.5], [114.65, 43.25], [114.75, 43.0], [114.53, 42.47], [114.18, 42.32], [114.03, 41.97], [113.68, 41.82], [113.65, 41.75], [113.75, 41.5], [113.53, 40.97], [113.0, 40.75], [112.75, 40.85], [112.5, 40.75], [112.25, 40.85], [112.0, 40.75], [111.75, 40.85], [111.5, 40.75], [111.25, 40.85], [111.0, 40.75], [110.75, 40.85], [110.5, 40.75], [110.25, 40.85], [110.0, 40.75], [109.47, 40.97], [109.25, 41.5], [109.47, 42.03], [109.82, 42.18], [109.97, 42.53], [110.32, 42.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.5312980440378965}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.6539793920763755}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.603149323723983, 28.047258020375864, 26.84537289292564]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.847298502098795, 30.495740543745967, 29.424548401282834]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.9930274497177796, 5.539900723168034, 4.429010003343311]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.644867549442495, 6.5312980440378965, 5.99680471502279]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3940731181865444, 1.942729369514324, 1.5557052672511171]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4862827684581457, 2.1013842857896723, 1.91921919929302]}}