{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:57:21.071931", "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-Jan-24_to_2024-Jan-29_130.5_55.0"}, "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": 2024010001917}, "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": "January 24 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 29 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 78131.3460742737}, "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": 55.0}, "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": 130.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "130.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 129.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 133.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 51.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 56.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[133.5, 53.75], [134.03, 53.53], [134.25, 53.0], [134.04, 52.5], [134.25, 52.0], [134.03, 51.47], [133.5, 51.25], [133.25, 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["E.Siberia", "Russian-Far-East"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.47, 56.03], [131.0, 56.25], [131.53, 56.03], [131.75, 55.5], [131.53, 54.97], [131.0, 54.75], [130.47, 54.97], [130.25, 55.5], [130.47, 56.03]]]]}, "2024-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.97, 54.47], [128.75, 55.0], [128.97, 55.53], [129.5, 55.75], [129.75, 55.65], [130.0, 55.75], [130.25, 55.65], [130.32, 55.68], [130.47, 56.03], [131.0, 56.25], [131.25, 56.15], [131.32, 56.18], [131.47, 56.53], [132.0, 56.75], [132.53, 56.53], [132.68, 56.18], [132.75, 56.15], [133.0, 56.25], [133.53, 56.03], [133.75, 55.5], [133.65, 55.25], [133.75, 55.0], [133.65, 54.75], [133.75, 54.5], [133.53, 53.97], [133.0, 53.75], [132.75, 53.85], [132.5, 53.75], [132.25, 53.85], [132.13, 53.8], [132.25, 53.5], [132.03, 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"description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2315907878545664, 1.6489703321100613, 1.5493005205969403, 1.5627179271073213, 1.690515407717023, 1.454200687266879]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2315907878545664, 2.1361633435369614, 1.9210115994059351, 1.904059850737983, 2.1616353047195584, 1.49775099729031]}}