{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:26.324521", "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-Sep-24_to_2023-Sep-26_70.5_55.0"}, "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": 2023090001887}, "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": "September 24 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 26 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": 84692.20789043856}, "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": ["Kazakhstan", "Russian Federation"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Europe"]}, "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": 55.0}, "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": 70.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "70.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 66.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 71.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 53.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 57.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[65.82, 54.68], [65.85, 54.75], [65.75, 55.0], [65.97, 55.53], [66.5, 55.75], [66.75, 55.65], [66.82, 55.68], [66.97, 56.03], 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regions affected", "value": ["W.Siberia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[65.25, 54.0], [65.47, 54.53], [65.82, 54.68], [65.85, 54.75], [65.75, 55.0], [65.97, 55.53], [66.5, 55.75], [66.75, 55.65], [66.82, 55.68], [66.97, 56.03], [67.5, 56.25], [67.75, 56.15], [67.82, 56.18], [67.97, 56.53], [68.5, 56.75], [68.75, 56.65], [69.0, 56.75], [69.25, 56.65], [69.32, 56.68], [69.35, 56.75], [69.25, 57.0], [69.35, 57.25], [69.25, 57.5], [69.47, 58.03], [70.0, 58.25], [70.25, 58.15], [70.5, 58.25], [71.03, 58.03], [71.25, 57.5], [71.15, 57.25], [71.25, 57.0], [71.15, 56.75], [71.18, 56.68], [71.53, 56.53], [71.68, 56.18], [72.03, 56.03], [72.25, 55.5], [72.15, 55.25], [72.25, 55.0], [72.03, 54.47], [71.5, 54.25], [71.25, 54.35], [71.0, 54.25], [70.75, 54.35], [70.68, 54.32], [70.53, 53.97], [70.0, 53.75], [69.75, 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14.086138583530044]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.908446781899158, 16.858496826815895, 15.59260282259146]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.709536303447055, 7.9496674054328125, 6.052667093790979]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.669306437301145, 8.48994767039352, 7.411321065133848]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5607938166999478, 2.200379925193379, 1.6463711413984023]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8562761544079767, 2.3887505521870813, 2.0420801938007966]}}