{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:12.920693", "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": "2017-Jun-04_to_2017-Jun-07_159.5_57.0"}, "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": 2017060000164}, "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 04 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 07 2017"}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 71975.16188803455}, "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-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": 57.0}, "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": 159.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "159.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 156.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 160.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 53.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 58.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-06-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[155.85, 55.75], [155.75, 56.0], [155.97, 56.53], [156.32, 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"coordinates": [[[[155.85, 55.75], [155.75, 56.0], [155.97, 56.53], [156.32, 56.68], [156.47, 57.03], [156.82, 57.18], [156.85, 57.25], [156.75, 57.5], [156.97, 58.03], [157.5, 58.25], [157.75, 58.15], [157.82, 58.18], [157.97, 58.53], [158.5, 58.75], [158.75, 58.65], [158.82, 58.68], [158.97, 59.03], [159.5, 59.25], [160.03, 59.03], [160.18, 58.68], [160.25, 58.65], [160.5, 58.75], [161.03, 58.53], [161.25, 58.0], [161.03, 57.47], [160.68, 57.32], [160.53, 56.97], [160.18, 56.82], [160.15, 56.75], [160.25, 56.5], [160.03, 55.97], [159.5, 55.75], [159.25, 55.85], [159.18, 55.82], [159.15, 55.75], [159.25, 55.5], [159.03, 54.97], [158.68, 54.82], [158.53, 54.47], [158.18, 54.32], [158.15, 54.25], [158.25, 54.0], [158.03, 53.47], [157.68, 53.32], [157.53, 52.97], [157.0, 52.75], [156.47, 52.97], [156.25, 53.5], [156.35, 53.75], [156.25, 54.0], [156.35, 54.25], [156.32, 54.32], [155.97, 54.47], [155.75, 55.0], [155.85, 55.25], [155.75, 55.5], [155.85, 55.75]]]]}, 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