{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:24.745784", "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-22_to_2018-Oct-25_47.5_44.5"}, "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": 2018100002418}, "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 22 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 25 2018"}, "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": 53202.23834484235}, "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", "Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Europe", "W.C.Asia"]}, "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": 44.5}, "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": 47.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "47.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 46.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 51.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 44.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 48.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.47, 43.97], [46.25, 44.5], [46.47, 45.03], [47.0, 45.25], 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46.5], [51.53, 45.97], [51.0, 45.75], [50.75, 45.85], [50.68, 45.82], [50.53, 45.47], [50.0, 45.25], [49.75, 45.35], [49.68, 45.32], [49.53, 44.97], [49.18, 44.82], [49.03, 44.47], [48.5, 44.25], [48.25, 44.35], [48.18, 44.32], [48.03, 43.97], [47.5, 43.75], [47.25, 43.85], [47.0, 43.75], [46.47, 43.97], [46.25, 44.5], [46.47, 45.03], [46.82, 45.18], [46.85, 45.25], [46.75, 45.5]]]]}, "2018-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.75, 45.5], [46.97, 46.03], [47.5, 46.25], [48.0, 46.04], [48.38, 46.2], [48.25, 46.5], [48.35, 46.75], [48.25, 47.0], [48.35, 47.25], [48.25, 47.5], [48.47, 48.03], [48.82, 48.18], [48.97, 48.53], [49.32, 48.68], [49.47, 49.03], [50.0, 49.25], [50.25, 49.15], [50.5, 49.25], [51.03, 49.03], [51.25, 48.5], [51.03, 47.97], [50.68, 47.82], [50.65, 47.75], [50.68, 47.68], [51.03, 47.53], [51.18, 47.18], [51.53, 47.03], [51.75, 46.5], [51.53, 45.97], [51.0, 45.75], [50.75, 45.85], [50.68, 45.82], [50.53, 45.47], [50.0, 45.25], 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