{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:45.016487", "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-Oct-15_to_2023-Oct-17_53.0_60.0"}, "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": 2023100001512}, "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": "October 15 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 17 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": 52448.294230885585}, "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": ["Russian Federation"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": 60.0}, "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": 53.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "53.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 50.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 54.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 58.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 62.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[49.75, 61.0], [49.97, 61.53], [50.32, 61.68], [50.35, 61.75], [50.25, 62.0], [50.47, 62.53], [51.0, 62.75], [51.53, 62.53], [51.68, 62.18], [52.03, 62.03], [52.18, 61.68], [52.25, 61.65], [52.5, 61.75], [53.03, 61.53], [53.18, 61.18], [53.53, 61.03], [53.68, 60.68], [53.75, 60.65], [54.0, 60.75], [54.53, 60.53], [54.75, 60.0], [54.65, 59.75], [54.75, 59.5], [54.65, 59.25], [54.75, 59.0], [54.65, 58.75], [54.75, 58.5], [54.53, 57.97], [54.18, 57.82], [54.03, 57.47], [53.5, 57.25], [52.97, 57.47], [52.75, 58.0], [52.85, 58.25], [52.82, 58.32], [52.47, 58.47], [52.32, 58.82], [52.25, 58.85], [52.0, 58.75], [51.75, 58.85], [51.5, 58.75], [50.97, 58.97], [50.82, 59.32], [50.75, 59.35], [50.5, 59.25], [49.97, 59.47], [49.75, 60.0], [49.85, 60.25], [49.75, 60.5], [49.85, 60.75], [49.75, 61.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Europe"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.75, 60.5], [49.85, 60.75], [49.75, 61.0], [49.97, 61.53], [50.32, 61.68], [50.35, 61.75], [50.25, 62.0], [50.47, 62.53], [51.0, 62.75], [51.53, 62.53], [51.68, 62.18], [52.03, 62.03], [52.18, 61.68], [52.25, 61.65], [52.5, 61.75], [53.03, 61.53], [53.18, 61.18], [53.53, 61.03], [53.68, 60.68], [53.75, 60.65], [54.0, 60.75], [54.53, 60.53], [54.75, 60.0], [54.65, 59.75], [54.75, 59.5], [54.65, 59.25], [54.75, 59.0], [54.65, 58.75], [54.75, 58.5], [54.53, 57.97], [54.18, 57.82], [54.03, 57.47], [53.5, 57.25], [52.97, 57.47], [52.75, 58.0], [52.85, 58.25], [52.82, 58.32], [52.47, 58.47], [52.32, 58.82], [52.25, 58.85], [52.0, 58.75], [51.75, 58.85], [51.5, 58.75], [50.97, 58.97], [50.82, 59.32], [50.75, 59.35], [50.5, 59.25], [49.97, 59.47], [49.75, 60.0], [49.85, 60.25], [49.75, 60.5]]]]}, "2023-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.75, 60.5], [49.85, 60.75], [49.75, 61.0], [49.97, 61.53], [50.32, 61.68], [50.35, 61.75], [50.25, 62.0], [50.47, 62.53], [51.0, 62.75], [51.53, 62.53], [51.68, 62.18], [52.03, 62.03], [52.18, 61.68], [52.25, 61.65], [52.5, 61.75], [53.03, 61.53], [53.18, 61.18], [53.53, 61.03], [53.68, 60.68], [53.75, 60.65], [54.0, 60.75], [54.53, 60.53], [54.75, 60.0], [54.65, 59.75], [54.75, 59.5], [54.65, 59.25], [54.75, 59.0], [54.65, 58.75], [54.75, 58.5], [54.53, 57.97], [54.18, 57.82], [54.03, 57.47], [53.5, 57.25], [52.97, 57.47], [52.75, 58.0], [52.85, 58.25], [52.82, 58.32], [52.47, 58.47], [52.32, 58.82], [52.25, 58.85], [52.0, 58.75], [51.75, 58.85], [51.5, 58.75], [50.97, 58.97], [50.82, 59.32], [50.75, 59.35], [50.5, 59.25], [49.97, 59.47], [49.75, 60.0], [49.85, 60.25], [49.75, 60.5]]]]}, "2023-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.75, 60.5], [49.85, 60.75], [49.75, 61.0], [49.97, 61.53], [50.32, 61.68], [50.35, 61.75], [50.25, 62.0], [50.47, 62.53], [51.0, 62.75], [51.53, 62.53], [51.68, 62.18], [52.03, 62.03], [52.18, 61.68], [52.25, 61.65], 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8.843602450837352, 7.534817087544525]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.374521689065034, 11.686772657909216, 8.376166386596708]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.247158375813382, 7.050125078592201, 6.117588389243038]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.819490452663615, 8.81980761480537, 7.0905231000522235]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6758575445924035, 1.8903273727896452, 1.6593786494184017]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9404039773138295, 2.2311068216275016, 1.943626315825894]}}