{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:34:59.334186", "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-Apr-11_to_2023-Apr-14_59.5_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": 2023040001763}, "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": "April 11 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 14 2023"}, "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": 62184.25094733551}, "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", "Uzbekistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Europe", "W.C.Asia", "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": 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": 59.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "59.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 58.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 62.75}, "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": 47.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.75, 44.5], [57.97, 45.03], [58.5, 45.25], [59.0, 45.04], 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45.75], [61.75, 45.85], [61.68, 45.82], [61.53, 45.47], [61.0, 45.25], [60.57, 45.43], [60.75, 45.0], [60.65, 44.75], [60.75, 44.5], [60.53, 43.97], [60.0, 43.75], [59.75, 43.85], [59.5, 43.75], [59.25, 43.85], [59.0, 43.75], [58.75, 43.85], [58.5, 43.75], [57.97, 43.97], [57.75, 44.5], [57.85, 44.75], [57.75, 45.0], [57.85, 45.25]]]]}, "2023-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.85, 45.25], [57.75, 45.5], [57.97, 46.03], [58.32, 46.18], [58.47, 46.53], [58.82, 46.68], [58.97, 47.03], [59.32, 47.18], [59.47, 47.53], [60.0, 47.75], [60.25, 47.65], [60.32, 47.68], [60.47, 48.03], [61.0, 48.25], [61.25, 48.15], [61.5, 48.25], [62.03, 48.03], [62.18, 47.68], [62.25, 47.65], [62.5, 47.75], [63.03, 47.53], [63.25, 47.0], [63.15, 46.75], [63.25, 46.5], [63.03, 45.97], [62.5, 45.75], [62.25, 45.85], [62.0, 45.75], [61.75, 45.85], [61.68, 45.82], [61.53, 45.47], [61.0, 45.25], [60.57, 45.43], [60.75, 45.0], [60.65, 44.75], [60.75, 44.5], [60.53, 43.97], 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