{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:59.750055", "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-Nov-14_to_2025-Nov-16_60.5_56.0"}, "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": 2025110001798}, "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 14 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 16 2025"}, "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": 55362.10935847997}, "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": 56.0}, "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": 60.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "60.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 60.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 64.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 55.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 59.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[59.75, 56.0], [59.97, 56.53], [60.32, 56.68], [60.47, 57.03], [60.82, 57.18], [60.97, 57.53], [61.5, 57.75], [61.75, 57.65], 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time step", "value": {"2025-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[59.75, 55.5], [59.85, 55.75], [59.75, 56.0], [59.97, 56.53], [60.32, 56.68], [60.47, 57.03], [60.82, 57.18], [60.97, 57.53], [61.5, 57.75], [61.75, 57.65], [61.82, 57.68], [61.85, 57.75], [61.75, 58.0], [61.97, 58.53], [62.32, 58.68], [62.35, 58.75], [62.25, 59.0], [62.47, 59.53], [63.0, 59.75], [63.25, 59.65], [63.32, 59.68], [63.47, 60.03], [64.0, 60.25], [64.53, 60.03], [64.68, 59.68], [65.03, 59.53], [65.25, 59.0], [65.03, 58.47], [64.68, 58.32], [64.53, 57.97], [64.18, 57.82], [64.15, 57.75], [64.25, 57.5], [64.03, 56.97], [63.68, 56.82], [63.63, 56.7], [64.03, 56.53], [64.25, 56.0], [64.03, 55.47], [63.5, 55.25], [63.25, 55.35], [63.0, 55.25], [62.75, 55.35], [62.5, 55.25], [62.25, 55.35], [62.18, 55.32], [62.03, 54.97], [61.5, 54.75], [61.25, 54.85], [61.18, 54.82], [61.03, 54.47], [60.5, 54.25], [59.97, 54.47], [59.75, 55.0], [59.85, 55.25], [59.75, 55.5]]]]}, 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anomaly recorded over entire duration", "value": 12.166266650003308}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 8.946543632437937}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [1.54697574654017, 5.57537655300564, 1.4323257908677078]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [2.7223920186360715, 6.393708801269554, 2.150898234049521]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.202107933406029, 11.659398922113132, 7.978124041794646]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.10737529980139, 12.166266650003308, 9.223067214913499]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1414622457324028, 1.7686184615004885, 1.1509579565833554]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3702237533971815, 1.9866905949582798, 1.2415975067080705]}}