{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:36:22.048252", "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-20_to_2023-Aug-24_78.5_49.0"}, "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": 2023080001890}, "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 20 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 24 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 61855.6645895877}, "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": ["Kazakhstan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Siberia"]}, "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": 49.0}, "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": 78.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "78.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 74.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 80.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 47.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 51.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.5, 49.75], [79.03, 49.53], [79.25, 49.0], [79.03, 48.47], [78.5, 48.25], [77.97, 48.47], [77.75, 49.0], [77.97, 49.53], [78.5, 49.75]]]]}, "2023-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.5, 49.75], [79.03, 49.53], [79.25, 49.0], [79.03, 48.47], [78.5, 48.25], [77.97, 48.47], [77.75, 49.0], [77.97, 49.53], [78.5, 49.75]]]]}, "2023-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.35, 50.25], [74.25, 50.5], [74.47, 51.03], [75.0, 51.25], [75.25, 51.15], [75.32, 51.18], [75.47, 51.53], [75.82, 51.68], [75.97, 52.03], [76.5, 52.25], [77.03, 52.03], [77.18, 51.68], [77.53, 51.53], [77.68, 51.18], [77.75, 51.15], [78.0, 51.25], [78.53, 51.03], [78.75, 50.5], [78.54, 50.0], [78.68, 49.68], [78.8, 49.63], [78.97, 50.03], [79.5, 50.25], [79.75, 50.15], [80.0, 50.25], [80.25, 50.15], [80.5, 50.25], [81.03, 50.03], [81.25, 49.5], [81.15, 49.25], [81.25, 49.0], [81.03, 48.47], [80.68, 48.32], [80.53, 47.97], [80.18, 47.82], [80.03, 47.47], [79.5, 47.25], [78.97, 47.47], [78.82, 47.82], [78.47, 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