{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:54:24.193182", "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": "2025-Jan-10_to_2025-Jan-12_87.5_50.5"}, "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": 2025010001505}, "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": "January 10 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 12 2025"}, "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": 78526.00514439307}, "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.Siberia", "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": 50.5}, "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": 87.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "87.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 84.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 90.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 49.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 53.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[84.47, 53.03], [85.0, 53.25], [85.25, 53.15], [85.5, 53.25], 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"2025-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[84.47, 53.03], [85.0, 53.25], [85.25, 53.15], [85.5, 53.25], [85.75, 53.15], [86.0, 53.25], [86.25, 53.15], [86.5, 53.25], [86.75, 53.15], [87.0, 53.25], [87.25, 53.15], [87.32, 53.18], [87.47, 53.53], [88.0, 53.75], [88.25, 53.65], [88.5, 53.75], [89.03, 53.53], [89.18, 53.18], [89.25, 53.15], [89.5, 53.25], [89.75, 53.15], [90.0, 53.25], [90.25, 53.15], [90.5, 53.25], [91.03, 53.03], [91.25, 52.5], [91.03, 51.97], [90.68, 51.82], [90.53, 51.47], [90.18, 51.32], [90.15, 51.25], [90.25, 51.0], [90.03, 50.47], [89.68, 50.32], [89.53, 49.97], [89.0, 49.75], [88.5, 49.96], [88.0, 49.75], [87.75, 49.85], [87.68, 49.82], [87.53, 49.47], [87.18, 49.32], [87.03, 48.97], [86.5, 48.75], [85.97, 48.97], [85.75, 49.5], [85.97, 50.03], [86.32, 50.18], [86.35, 50.25], [86.32, 50.32], [85.97, 50.47], [85.75, 51.0], [85.96, 51.5], [85.82, 51.82], [85.75, 51.85], [85.68, 51.82], [85.53, 51.47], [85.0, 51.25], [84.47, 51.47], 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