{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:58:01.625962", "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-Dec-03_to_2025-Dec-05_103.0_57.5"}, "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": 2025120001264}, "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": "December 03 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 05 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": 64671.195871225675}, "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"]}, "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": 57.5}, "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": 103.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "103.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 97.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 104.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 55.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 57.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.75, 56.5], [96.97, 57.03], [97.32, 57.18], [97.47, 57.53], 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"coordinates": [[[[96.75, 56.5], [96.97, 57.03], [97.32, 57.18], [97.47, 57.53], [97.82, 57.68], [97.97, 58.03], [98.5, 58.25], [99.03, 58.03], [99.18, 57.68], [99.53, 57.53], [99.68, 57.18], [99.75, 57.15], [100.0, 57.25], [100.25, 57.15], [100.32, 57.18], [100.47, 57.53], [101.0, 57.75], [101.25, 57.65], [101.32, 57.68], [101.47, 58.03], [102.0, 58.25], [102.25, 58.15], [102.5, 58.25], [102.75, 58.15], [103.0, 58.25], [103.53, 58.03], [103.68, 57.68], [103.75, 57.65], [104.0, 57.75], [104.53, 57.53], [104.75, 57.0], [104.53, 56.47], [104.18, 56.32], [104.03, 55.97], [103.68, 55.82], [103.53, 55.47], [103.0, 55.25], [102.75, 55.35], [102.5, 55.25], [102.25, 55.35], [102.0, 55.25], [101.75, 55.35], [101.5, 55.25], [101.25, 55.35], [101.0, 55.25], [100.75, 55.35], [100.5, 55.25], [100.25, 55.35], [100.0, 55.25], [99.75, 55.35], [99.5, 55.25], [99.25, 55.35], [99.0, 55.25], [98.75, 55.35], [98.5, 55.25], [98.25, 55.35], [98.0, 55.25], [97.47, 55.47], [97.32, 55.82], [96.97, 55.97], [96.75, 56.5]]]]}, "2025-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.75, 56.5], [96.97, 57.03], [97.32, 57.18], [97.47, 57.53], [97.82, 57.68], [97.97, 58.03], [98.5, 58.25], [99.03, 58.03], [99.18, 57.68], [99.53, 57.53], [99.68, 57.18], [99.75, 57.15], [100.0, 57.25], [100.25, 57.15], [100.32, 57.18], [100.47, 57.53], [101.0, 57.75], [101.25, 57.65], [101.32, 57.68], [101.47, 58.03], [102.0, 58.25], [102.25, 58.15], [102.5, 58.25], [102.75, 58.15], [103.0, 58.25], [103.53, 58.03], [103.68, 57.68], [103.75, 57.65], [104.0, 57.75], [104.53, 57.53], [104.75, 57.0], [104.53, 56.47], [104.18, 56.32], [104.03, 55.97], [103.68, 55.82], [103.53, 55.47], [103.0, 55.25], [102.75, 55.35], [102.5, 55.25], [102.25, 55.35], [102.0, 55.25], [101.75, 55.35], [101.5, 55.25], [101.25, 55.35], [101.0, 55.25], [100.75, 55.35], [100.5, 55.25], [100.25, 55.35], [100.0, 55.25], [99.75, 55.35], [99.5, 55.25], [99.25, 55.35], [99.0, 55.25], [98.75, 55.35], [98.5, 55.25], [98.25, 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"description": "The daily evolution of maximum t2m anomalies.", "value": [14.249972372092714, 15.634405629617106, 13.000219810917088]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4179604055176016, 1.537077064344247, 1.3561674634583305]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.536604504253514, 1.6994838524967746, 1.4750025178623958]}}