{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:32:13.827527", "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": "2022-Aug-26_to_2022-Aug-30_108.5_19.5"}, "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": 2022080002717}, "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 26 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 30 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 60971.7317947518}, "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", "S.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": ["South China 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": 19.5}, "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": 108.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "108.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 107.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 110.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.5, 20.25], [109.03, 20.03], [109.25, 19.5], [109.03, 18.97], [108.5, 18.75], [107.97, 18.97], [107.75, 19.5], [107.97, 20.03], [108.5, 20.25]]]]}, "2022-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.25, 21.0], [107.47, 21.53], [108.0, 21.75], [108.25, 21.65], [108.5, 21.75], [108.75, 21.65], [109.0, 21.75], [109.25, 21.65], [109.5, 21.75], [110.03, 21.53], [110.25, 21.0], [110.15, 20.75], [110.18, 20.68], [110.53, 20.53], [110.75, 20.0], [110.65, 19.75], [110.75, 19.5], [110.53, 18.97], [110.18, 18.82], [110.15, 18.75], [110.25, 18.5], [110.03, 17.97], [109.5, 17.75], [109.25, 17.85], [109.0, 17.75], [108.47, 17.97], [108.32, 18.32], [107.97, 18.47], [107.75, 19.0], [107.85, 19.25], [107.75, 19.5], [107.85, 19.75], [107.75, 20.0], [107.85, 20.25], [107.82, 20.32], [107.47, 20.47], [107.25, 21.0]]]]}, "2022-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.25, 21.0], [107.47, 21.53], [107.82, 21.68], [107.97, 22.03], [108.5, 22.25], [108.75, 22.15], [109.0, 22.25], [109.53, 22.03], [109.68, 21.68], [110.03, 21.53], [110.25, 21.0], [110.15, 20.75], [110.18, 20.68], [110.53, 20.53], [110.75, 20.0], [110.65, 19.75], [110.75, 19.5], [110.53, 18.97], [110.18, 18.82], [110.15, 18.75], [110.25, 18.5], [110.03, 17.97], [109.5, 17.75], [109.25, 17.85], [109.0, 17.75], [108.47, 17.97], [108.32, 18.32], [107.97, 18.47], [107.75, 19.0], [107.85, 19.25], [107.75, 19.5], [107.85, 19.75], [107.75, 20.0], [107.85, 20.25], [107.82, 20.32], [107.47, 20.47], [107.25, 21.0]]]]}, "2022-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.25, 21.0], [107.47, 21.53], [107.82, 21.68], [107.97, 22.03], [108.5, 22.25], [108.75, 22.15], [109.0, 22.25], [109.53, 22.03], [109.68, 21.68], [110.03, 21.53], [110.25, 21.0], [110.15, 20.75], [110.18, 20.68], [110.53, 20.53], [110.75, 20.0], [110.65, 19.75], [110.75, 19.5], [110.53, 18.97], [110.18, 18.82], [110.15, 18.75], [110.25, 18.5], [110.03, 17.97], [109.5, 17.75], [109.25, 17.85], [109.0, 17.75], [108.47, 17.97], [108.32, 18.32], [107.97, 18.47], [107.75, 19.0], [107.85, 19.25], [107.75, 19.5], [107.85, 19.75], [107.75, 20.0], [107.85, 20.25], [107.82, 20.32], [107.47, 20.47], [107.25, 21.0]]]]}, "2022-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.25, 21.0], [107.47, 21.53], [107.82, 21.68], [107.97, 22.03], [108.5, 22.25], [108.75, 22.15], [109.0, 22.25], [109.53, 22.03], [109.68, 21.68], [110.03, 21.53], [110.25, 21.0], [110.03, 20.47], [109.68, 20.32], [109.53, 19.97], [109.18, 19.82], [109.15, 19.75], [109.25, 19.5], [109.03, 18.97], [108.5, 18.75], [107.97, 18.97], [107.75, 19.5], [107.85, 19.75], [107.75, 20.0], [107.85, 20.25], [107.82, 20.32], [107.47, 20.47], [107.25, 21.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0067096220633402}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.457211934669711}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.394845291021795, 29.333104608855194, 29.317903770535395, 29.319919236868998, 29.875352738870788]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.394845291021795, 30.268221986133938, 30.253779798382595, 30.323653273225716, 30.13891014320444]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0148218926442496, 1.4953589087923995, 1.4373845091518385, 1.4674008482407241, 1.449212563127554]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0148218926442496, 2.0067096220633402, 1.7096649781123574, 1.8334898745185342, 1.737563229662328]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3590056550068892, 1.7494940589038712, 1.647348982632744, 1.6680818688073358, 1.5782273952126358]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3590056550068892, 2.2041453254572603, 2.023432052736419, 2.113928587317249, 1.75071079044696]}}