{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:21.604429", "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": "2018-Oct-12_to_2018-Oct-14_91.5_62.5"}, "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": 2018100001836}, "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": "October 12 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 14 2018"}, "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": 59258.60422063924}, "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-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": 62.5}, "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": 91.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "91.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 87.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 93.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 62.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 67.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.97, 67.53], [87.5, 67.75], [87.75, 67.65], [88.0, 67.75], 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"2018-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.97, 67.53], [87.5, 67.75], [87.75, 67.65], [88.0, 67.75], [88.25, 67.65], [88.5, 67.75], [88.75, 67.65], [89.0, 67.75], [89.53, 67.53], [89.75, 67.0], [89.65, 66.75], [89.68, 66.68], [90.03, 66.53], [90.18, 66.18], [90.25, 66.15], [90.5, 66.25], [91.03, 66.03], [91.18, 65.68], [91.53, 65.53], [91.68, 65.18], [91.75, 65.15], [92.0, 65.25], [92.25, 65.15], [92.5, 65.25], [93.03, 65.03], [93.18, 64.68], [93.25, 64.65], [93.5, 64.75], [94.03, 64.53], [94.25, 64.0], [94.15, 63.75], [94.25, 63.5], [94.03, 62.97], [93.68, 62.82], [93.53, 62.47], [93.0, 62.25], [92.75, 62.35], [92.68, 62.32], [92.53, 61.97], [92.0, 61.75], [91.75, 61.85], [91.5, 61.75], [90.97, 61.97], [90.75, 62.5], [90.85, 62.75], [90.82, 62.82], [90.47, 62.97], [90.25, 63.5], [90.35, 63.75], [90.32, 63.82], [89.97, 63.97], [89.82, 64.32], [89.75, 64.35], [89.5, 64.25], [89.25, 64.35], [89.0, 64.25], [88.47, 64.47], [88.32, 64.82], [87.97, 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