{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:22.781347", "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-Jun-21_to_2022-Jun-26_96.0_30.0"}, "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": 2022060002567}, "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": "June 21 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 26 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 85832.79228387799}, "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"]}, "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": 30.0}, "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": 96.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "96.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 92.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 97.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 28.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[92.47, 31.03], [93.0, 31.25], [93.25, 31.15], [93.5, 31.25], [93.75, 31.15], [94.0, 31.25], [94.25, 31.15], [94.32, 31.18], [94.47, 31.53], [95.0, 31.75], [95.53, 31.53], [95.68, 31.18], [95.75, 31.15], [96.0, 31.25], [96.53, 31.03], [96.68, 30.68], [97.03, 30.53], [97.18, 30.18], [97.53, 30.03], [97.75, 29.5], [97.53, 28.97], [97.18, 28.82], [97.03, 28.47], [96.5, 28.25], [95.97, 28.47], [95.82, 28.82], [95.75, 28.85], [95.5, 28.75], [95.25, 28.85], [95.18, 28.82], [95.03, 28.47], [94.68, 28.32], [94.53, 27.97], [94.0, 27.75], [93.47, 27.97], [93.32, 28.32], [93.25, 28.35], [93.0, 28.25], [92.47, 28.47], [92.25, 29.0], [92.35, 29.25], [92.32, 29.32], [91.97, 29.47], [91.75, 30.0], [91.97, 30.53], [92.32, 30.68], [92.47, 31.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Tibetan-Plateau", "S.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.47, 29.97], [94.25, 30.5], 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anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.507595487528931}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4653022928670865}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [6.543927005897899, 10.004274287933015, 10.338275440305779, 9.960084889069094, 6.625297031187074, 6.731337192439582]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [8.522818900686332, 16.616317583193904, 16.844595751162046, 16.50093022488062, 7.65971521913076, 7.665020385030232]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.337492516000983, 2.453754088605253, 2.728522721655093, 2.293493951744889, 2.205334230064141, 2.475632570163763]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.950714321324142, 4.507595487528931, 4.240707168234167, 3.9571692167676815, 2.5225082104801118, 2.633693615456991]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4186832713398765, 1.7080909864601983, 1.9147292159789, 1.5653369304064564, 1.3169110392706318, 1.3690611547613418]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5464377784515893, 2.6595278398988405, 2.928536100235805, 2.302777479381528, 1.4529278179434435, 1.5264204030452886]}}