{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:38.545960", "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": "2025-Oct-30_to_2025-Nov-02_16.0_46.5"}, "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": 2025100002626}, "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 30 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 02 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 85554.39655798195}, "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": ["Austria", "Bosnia and Herzegovina", "Croatia", "Hungary", "Italy", "Slovenia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe", "Europe", "Europe", "Europe", "Europe", "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": 46.5}, "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": 16.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "16.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 12.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 18.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 45.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 47.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[14.75, 47.65], [14.82, 47.68], [14.97, 48.03], [15.5, 48.25], [16.03, 48.03], [16.18, 47.68], [16.25, 47.65], [16.5, 47.75], [16.75, 47.65], [17.0, 47.75], [17.53, 47.53], [17.68, 47.18], [18.03, 47.03], [18.18, 46.68], [18.53, 46.53], [18.75, 46.0], [18.65, 45.75], [18.75, 45.5], [18.53, 44.97], [18.18, 44.82], [18.03, 44.47], [17.5, 44.25], [17.25, 44.35], [17.0, 44.25], [16.47, 44.47], [16.3, 44.88], [16.0, 44.75], [15.75, 44.85], [15.5, 44.75], [15.25, 44.85], [15.0, 44.75], [14.75, 44.85], [14.5, 44.75], [14.25, 44.85], [14.0, 44.75], [13.47, 44.97], [13.32, 45.32], [13.25, 45.35], [13.0, 45.25], [12.75, 45.35], [12.5, 45.25], [11.97, 45.47], [11.75, 46.0], [11.97, 46.53], [12.32, 46.68], [12.47, 47.03], [12.82, 47.18], [12.97, 47.53], [13.5, 47.75], [13.75, 47.65], [14.0, 47.75], [14.25, 47.65], [14.5, 47.75], [14.75, 47.65]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["West&Central-Europe", "Mediterranean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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13.21227315266924, 13.899011484781965]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.74898808797201, 16.67624181111654, 15.73347880045577, 16.856740570068382]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.32810139880386, 5.505038603042415, 5.162236326918714, 5.895854975548882]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.8870881621884905, 7.162275744100043, 6.486977198622867, 7.669333752935813]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6002047823165644, 1.4786506774884924, 1.4314442168965282, 1.666029859577805]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9286651167256874, 1.6969043152939602, 1.6685302370600161, 2.0039009987340237]}}