{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:17.427664", "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": "2011-Aug-26_to_2011-Aug-28_18.5_64.5"}, "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": 2011080003008}, "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": "August 26 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 28 2011"}, "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": 54125.06466020783}, "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": ["Gulf of Bothnia"]}, "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": 64.5}, "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": 18.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "18.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 13.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 20.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 62.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 65.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.75, 64.5], [12.97, 65.03], [13.5, 65.25], [13.75, 65.15], 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"2011-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.75, 64.5], [12.97, 65.03], [13.5, 65.25], [13.75, 65.15], [14.0, 65.25], [14.25, 65.15], [14.5, 65.25], [14.75, 65.15], [15.0, 65.25], [15.25, 65.15], [15.5, 65.25], [15.75, 65.15], [16.0, 65.25], [16.25, 65.15], [16.32, 65.18], [16.47, 65.53], [17.0, 65.75], [17.25, 65.65], [17.5, 65.75], [17.75, 65.65], [18.0, 65.75], [18.25, 65.65], [18.5, 65.75], [18.75, 65.65], [19.0, 65.75], [19.53, 65.53], [19.68, 65.18], [20.03, 65.03], [20.18, 64.68], [20.25, 64.65], [20.5, 64.75], [21.03, 64.53], [21.25, 64.0], [21.03, 63.47], [20.5, 63.25], [20.25, 63.35], [20.18, 63.32], [20.03, 62.97], [19.5, 62.75], [19.25, 62.85], [19.0, 62.75], [18.75, 62.85], [18.68, 62.82], [18.53, 62.47], [18.18, 62.32], [18.03, 61.97], [17.5, 61.75], [17.25, 61.85], [17.0, 61.75], [16.47, 61.97], [16.32, 62.32], [15.97, 62.47], [15.75, 63.0], [15.96, 63.5], [15.82, 63.82], [15.75, 63.85], [15.5, 63.75], [15.25, 63.85], [15.0, 63.75], 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t2m anomalies.", "value": [4.400711129980275, 4.871549941458115, 4.601610894741164]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.105441428634947, 5.653615393949394, 5.5960158079668645]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6604565279699717, 1.8340766517996205, 1.7076593629027452]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.902759630661809, 1.948638499794319, 2.0319870992515243]}}