{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:36:24.423165", "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": "2023-Aug-28_to_2023-Aug-31_129.5_58.0"}, "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": 2023080002268}, "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 28 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 31 2023"}, "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": 60692.90328299068}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Siberia", "Russian-Far-East"]}, "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": 58.0}, "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": 129.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "129.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 126.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 132.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 55.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 58.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.47, 56.97], [130.25, 57.5], [130.47, 58.03], [131.0, 58.25], [131.53, 58.03], [131.75, 57.5], [131.53, 56.97], [131.0, 56.75], [130.47, 56.97]]], [[[128.97, 57.47], [128.75, 58.0], [128.97, 58.53], [129.5, 58.75], [130.03, 58.53], [130.25, 58.0], [130.03, 57.47], [129.5, 57.25], [128.97, 57.47]]]]}, "2023-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.96, 57.5], [125.75, 58.0], [125.97, 58.53], [126.5, 58.75], [126.75, 58.65], [127.0, 58.75], [127.53, 58.53], [127.7, 58.13], [128.0, 58.25], [128.25, 58.15], [128.32, 58.18], [128.47, 58.53], [129.0, 58.75], [129.25, 58.65], [129.5, 58.75], [130.0, 58.54], [130.5, 58.75], [130.75, 58.65], [131.0, 58.75], [131.53, 58.53], [131.7, 58.13], [132.0, 58.25], [132.53, 58.03], [132.75, 57.5], [132.53, 56.97], [132.18, 56.82], [132.15, 56.75], [132.25, 56.5], [132.03, 55.97], [131.5, 55.75], [131.25, 55.85], [131.0, 55.75], [130.47, 55.97], [130.32, 56.32], [130.25, 56.35], [130.18, 56.32], [130.03, 55.97], [129.68, 55.82], [129.53, 55.47], [129.0, 55.25], [128.7, 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