{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:12:49.275315", "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": "2018-May-16_to_2018-May-18_44.5_48.0"}, "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": 2018050002188}, "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": "May 16 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 18 2018"}, "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": 51021.64151275694}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Europe"]}, "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": 48.0}, "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": 44.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "44.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 42.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 48.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 47.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 49.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.82, 49.18], [42.97, 49.53], [43.32, 49.68], [43.47, 50.03], 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50.03], [45.68, 49.68], [45.75, 49.65], [46.0, 49.75], [46.25, 49.65], [46.5, 49.75], [47.03, 49.53], [47.18, 49.18], [47.25, 49.15], [47.5, 49.25], [47.75, 49.15], [48.0, 49.25], [48.53, 49.03], [48.75, 48.5], [48.53, 47.97], [48.0, 47.75], [47.75, 47.85], [47.5, 47.75], [47.25, 47.85], [47.0, 47.75], [46.75, 47.85], [46.5, 47.75], [46.25, 47.85], [46.0, 47.75], [45.75, 47.85], [45.68, 47.82], [45.53, 47.47], [45.0, 47.25], [44.75, 47.35], [44.5, 47.25], [43.97, 47.47], [43.82, 47.82], [43.75, 47.85], [43.68, 47.82], [43.53, 47.47], [43.0, 47.25], [42.75, 47.35], [42.5, 47.25], [41.97, 47.47], [41.75, 48.0], [41.97, 48.53], [42.32, 48.68], [42.47, 49.03], [42.82, 49.18]]]]}, "2018-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.82, 49.18], [42.97, 49.53], [43.32, 49.68], [43.47, 50.03], [44.0, 50.25], [44.25, 50.15], [44.5, 50.25], [44.75, 50.15], [45.0, 50.25], [45.53, 50.03], [45.68, 49.68], [45.75, 49.65], [46.0, 49.75], [46.25, 49.65], [46.5, 49.75], 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[23.524169352311844, 24.694243144237305, 25.02183356947677]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.663338921982927, 25.689253903005294, 26.19406171199563]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.148576576093676, 7.168894284905791, 7.340057665249601]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.667690464035843, 7.521612630746347, 8.340682888477318]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.481616931253685, 1.696038359429858, 1.70866482362189]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5985782455492432, 1.8772765450497804, 1.848258556249985]}}