{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:53:56.245132", "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": "2024-Nov-30_to_2024-Dec-02_8.5_61.5"}, "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": 2024110002443}, "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": "November 30 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 02 2024"}, "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": 60897.92789444059}, "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": ["Norway", "Sweden"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Europe"]}, "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": ["North Sea", "Skagerrak"]}, "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": 61.5}, "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": 8.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "8.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 6.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 12.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 57.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 61.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[5.96, 60.0], [5.75, 60.5], [5.97, 61.03], [6.5, 61.25], [6.75, 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"MultiPolygon", "coordinates": [[[[5.96, 60.0], [5.75, 60.5], [5.97, 61.03], [6.5, 61.25], [6.75, 61.15], [7.0, 61.25], [7.25, 61.15], [7.32, 61.18], [7.35, 61.25], [7.25, 61.5], [7.47, 62.03], [8.0, 62.25], [8.25, 62.15], [8.5, 62.25], [8.75, 62.15], [9.0, 62.25], [9.53, 62.03], [9.75, 61.5], [9.53, 60.97], [9.18, 60.82], [9.13, 60.7], [9.53, 60.53], [9.7, 60.13], [10.0, 60.25], [10.25, 60.15], [10.32, 60.18], [10.47, 60.53], [11.0, 60.75], [11.25, 60.65], [11.5, 60.75], [11.75, 60.65], [12.0, 60.75], [12.25, 60.65], [12.5, 60.75], [13.03, 60.53], [13.25, 60.0], [13.03, 59.47], [12.68, 59.32], [12.53, 58.97], [12.0, 58.75], [11.75, 58.85], [11.5, 58.75], [11.25, 58.85], [11.0, 58.75], [10.75, 58.85], [10.5, 58.75], [10.25, 58.85], [10.18, 58.82], [10.03, 58.47], [9.68, 58.32], [9.53, 57.97], [9.18, 57.82], [9.03, 57.47], [8.5, 57.25], [8.25, 57.35], [8.0, 57.25], [7.47, 57.47], [7.32, 57.82], [7.25, 57.85], [7.0, 57.75], [6.47, 57.97], [6.32, 58.32], [5.97, 58.47], [5.75, 59.0], [5.85, 59.25], [5.75, 59.5], [5.96, 60.0]]]]}, "2024-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[5.96, 60.0], [5.75, 60.5], [5.97, 61.03], [6.5, 61.25], [6.75, 61.15], [7.0, 61.25], [7.25, 61.15], [7.32, 61.18], [7.35, 61.25], [7.25, 61.5], [7.47, 62.03], [8.0, 62.25], [8.25, 62.15], [8.5, 62.25], [8.75, 62.15], [9.0, 62.25], [9.53, 62.03], [9.75, 61.5], [9.53, 60.97], [9.18, 60.82], [9.13, 60.7], [9.53, 60.53], [9.7, 60.13], [10.0, 60.25], [10.25, 60.15], [10.32, 60.18], [10.47, 60.53], [11.0, 60.75], [11.25, 60.65], [11.5, 60.75], [11.75, 60.65], [12.0, 60.75], [12.25, 60.65], [12.5, 60.75], [13.03, 60.53], [13.25, 60.0], [13.03, 59.47], [12.68, 59.32], [12.53, 58.97], [12.0, 58.75], [11.75, 58.85], [11.5, 58.75], [11.25, 58.85], [11.0, 58.75], [10.75, 58.85], [10.5, 58.75], [10.25, 58.85], [10.18, 58.82], [10.03, 58.47], [9.68, 58.32], [9.53, 57.97], [9.18, 57.82], [9.03, 57.47], [8.5, 57.25], [8.25, 57.35], [8.0, 57.25], [7.47, 57.47], [7.32, 57.82], 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maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.825486960290391, 11.149783932049445, 7.085822505686792]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.359977347797027, 1.7210686762131018, 1.2337935200902383]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7932744495155233, 2.410182243543063, 1.3950119841950634]}}