{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:03:42.073703", "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-Feb-23_to_2025-Feb-25_67.5_48.5"}, "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": 2025020001975}, "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": "February 23 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 25 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": 72996.97300032436}, "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": ["Kazakhstan"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 48.5}, "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": 67.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "67.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 65.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 70.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 47.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 50.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[64.75, 50.5], [64.97, 51.03], [65.5, 51.25], [65.75, 51.15], [66.0, 51.25], [66.25, 51.15], [66.5, 51.25], [66.75, 51.15], [67.0, 51.25], [67.53, 51.03], [67.68, 50.68], [67.75, 50.65], [68.0, 50.75], [68.53, 50.53], [68.68, 50.18], [69.03, 50.03], [69.18, 49.68], [69.25, 49.65], [69.5, 49.75], [69.75, 49.65], [70.0, 49.75], [70.25, 49.65], [70.5, 49.75], [71.03, 49.53], [71.25, 49.0], [71.03, 48.47], [70.68, 48.32], [70.53, 47.97], [70.0, 47.75], [69.47, 47.97], [69.32, 48.32], [69.25, 48.35], [69.18, 48.32], [69.15, 48.25], [69.25, 48.0], [69.03, 47.47], [68.5, 47.25], [68.25, 47.35], [68.18, 47.32], [68.03, 46.97], [67.5, 46.75], [67.25, 46.85], [67.0, 46.75], [66.75, 46.85], [66.5, 46.75], [65.97, 46.97], [65.75, 47.5], [65.85, 47.75], [65.75, 48.0], [65.85, 48.25], [65.75, 48.5], [65.85, 48.75], [65.75, 49.0], [65.85, 49.25], [65.75, 49.5], [65.85, 49.75], [65.82, 49.82], [65.75, 49.85], [65.5, 49.75], [64.97, 49.97], [64.75, 50.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Siberia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[65.5, 49.75], [64.97, 49.97], [64.75, 50.5], [64.97, 51.03], [65.5, 51.25], [65.75, 51.15], [66.0, 51.25], [66.25, 51.15], [66.5, 51.25], [66.75, 51.15], [67.0, 51.25], [67.53, 51.03], [67.68, 50.68], [67.75, 50.65], [68.0, 50.75], [68.53, 50.53], [68.68, 50.18], [69.03, 50.03], [69.18, 49.68], [69.25, 49.65], [69.5, 49.75], [69.75, 49.65], [70.0, 49.75], [70.25, 49.65], [70.5, 49.75], [71.03, 49.53], [71.25, 49.0], [71.03, 48.47], [70.68, 48.32], [70.53, 47.97], [70.0, 47.75], [69.47, 47.97], [69.32, 48.32], [69.25, 48.35], [69.18, 48.32], [69.15, 48.25], [69.25, 48.0], [69.03, 47.47], [68.5, 47.25], [68.25, 47.35], [68.18, 47.32], [68.03, 46.97], [67.5, 46.75], [67.25, 46.85], [67.0, 46.75], [66.75, 46.85], [66.5, 46.75], [65.97, 46.97], [65.75, 47.5], [65.85, 47.75], [65.75, 48.0], [65.85, 48.25], [65.75, 48.5], [65.85, 48.75], [65.75, 49.0], [65.85, 49.25], [65.75, 49.5], [65.85, 49.75], [65.82, 49.82], [65.75, 49.85], [65.5, 49.75]]]]}, "2025-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[65.5, 49.75], [64.97, 49.97], [64.75, 50.5], [64.97, 51.03], [65.5, 51.25], [65.75, 51.15], [66.0, 51.25], [66.25, 51.15], [66.5, 51.25], [66.75, 51.15], [67.0, 51.25], [67.53, 51.03], [67.68, 50.68], [67.75, 50.65], [68.0, 50.75], [68.53, 50.53], [68.68, 50.18], [69.03, 50.03], [69.18, 49.68], [69.25, 49.65], [69.5, 49.75], [69.75, 49.65], [70.0, 49.75], [70.25, 49.65], [70.5, 49.75], [71.03, 49.53], [71.25, 49.0], [71.03, 48.47], [70.68, 48.32], [70.53, 47.97], [70.0, 47.75], [69.47, 47.97], [69.32, 48.32], [69.25, 48.35], [69.18, 48.32], [69.15, 48.25], [69.25, 48.0], [69.03, 47.47], [68.5, 47.25], [68.25, 47.35], [68.18, 47.32], [68.03, 46.97], [67.5, 46.75], [67.25, 46.85], [67.0, 46.75], [66.75, 46.85], [66.5, 46.75], [65.97, 46.97], [65.75, 47.5], [65.85, 47.75], [65.75, 48.0], 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9.453017255969543, 9.948448976144503]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.680647024650852, 10.916557116109402, 11.19418009862676]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4491445231491304, 1.557286580668094, 1.631155820735186]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.655687547155689, 1.742143768320286, 1.8757653858591703]}}