{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:24.053982", "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": "2020-Jun-05_to_2020-Jun-08_128.5_69.5"}, "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": 2020060001497}, "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": "June 05 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 08 2020"}, "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": 53413.467786420406}, "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": ["Russian-Arctic"]}, "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": 69.5}, "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": 128.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "128.5\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": 130.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 66.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 70.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.97, 70.53], [128.5, 70.75], [129.0, 70.54], [129.5, 70.75], [129.75, 70.65], [130.0, 70.75], [130.53, 70.53], [130.75, 70.0], [130.53, 69.47], [130.0, 69.25], [129.75, 69.35], [129.68, 69.32], [129.53, 68.97], [129.0, 68.75], [128.75, 68.85], [128.5, 68.75], [127.97, 68.97], [127.75, 69.5], [127.85, 69.75], [127.75, 70.0], [127.97, 70.53]]]]}, "2020-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.85, 68.25], [125.75, 68.5], [125.85, 68.75], [125.75, 69.0], [125.97, 69.53], [126.32, 69.68], [126.47, 70.03], [127.0, 70.25], [127.25, 70.15], [127.32, 70.18], [127.47, 70.53], [128.0, 70.75], [128.25, 70.65], [128.5, 70.75], [128.75, 70.65], [129.0, 70.75], [129.25, 70.65], [129.5, 70.75], [129.75, 70.65], [130.0, 70.75], [130.53, 70.53], [130.75, 70.0], [130.53, 69.47], [130.18, 69.32], [130.15, 69.25], [130.18, 69.18], [130.53, 69.03], [130.68, 68.68], [131.03, 68.53], [131.25, 68.0], [131.03, 67.47], [130.5, 67.25], [130.25, 67.35], [130.18, 67.32], [130.03, 66.97], [129.5, 66.75], [129.25, 66.85], [129.0, 66.75], [128.75, 66.85], [128.68, 66.82], [128.53, 66.47], [128.18, 66.32], [128.03, 65.97], [127.5, 65.75], [127.25, 65.85], [127.0, 65.75], [126.75, 65.85], [126.5, 65.75], [125.97, 65.97], [125.75, 66.5], [125.96, 67.0], [125.75, 67.5], [125.85, 67.75], [125.75, 68.0], [125.85, 68.25]]]]}, "2020-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.85, 68.25], [125.75, 68.5], [125.85, 68.75], [125.75, 69.0], [125.97, 69.53], [126.32, 69.68], [126.47, 70.03], [127.0, 70.25], [127.25, 70.15], [127.32, 70.18], [127.47, 70.53], [128.0, 70.75], [128.25, 70.65], [128.5, 70.75], [128.75, 70.65], [129.0, 70.75], [129.25, 70.65], [129.5, 70.75], [129.75, 70.65], [130.0, 70.75], [130.53, 70.53], [130.75, 70.0], [130.53, 69.47], [130.18, 69.32], [130.15, 69.25], [130.18, 69.18], [130.53, 69.03], [130.68, 68.68], [131.03, 68.53], [131.25, 68.0], [131.03, 67.47], [130.5, 67.25], [130.25, 67.35], [130.18, 67.32], [130.03, 66.97], [129.5, 66.75], [129.25, 66.85], [129.0, 66.75], [128.75, 66.85], [128.68, 66.82], [128.53, 66.47], [128.18, 66.32], [128.03, 65.97], [127.5, 65.75], [127.25, 65.85], [127.0, 65.75], [126.75, 65.85], [126.5, 65.75], [125.97, 65.97], [125.75, 66.5], [125.96, 67.0], [125.75, 67.5], [125.85, 67.75], [125.75, 68.0], [125.85, 68.25]]]]}, "2020-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.85, 68.25], [125.75, 68.5], [125.85, 68.75], [125.75, 69.0], [125.97, 69.53], [126.32, 69.68], [126.47, 70.03], [127.0, 70.25], [127.25, 70.15], [127.32, 70.18], [127.47, 70.53], [128.0, 70.75], [128.25, 70.65], [128.5, 70.75], [128.75, 70.65], [129.0, 70.75], [129.53, 70.53], [129.68, 70.18], [130.03, 70.03], [130.25, 69.5], [130.15, 69.25], [130.18, 69.18], [130.53, 69.03], [130.68, 68.68], [131.03, 68.53], [131.25, 68.0], [131.03, 67.47], [130.5, 67.25], [130.25, 67.35], [130.18, 67.32], [130.03, 66.97], [129.5, 66.75], [129.25, 66.85], [129.0, 66.75], [128.75, 66.85], [128.68, 66.82], [128.53, 66.47], [128.18, 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