{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:43:53.254791", "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": "2010-Jan-24_to_2010-Jan-26_120.0_62.0"}, "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": 2010010000821}, "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 24 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 26 2010"}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 59186.22672652957}, "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": 62.0}, "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": 120.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "120.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 114.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 122.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 61.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 63.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[114.47, 61.47], [114.25, 62.0], [114.47, 62.53], [115.0, 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61.25], [115.75, 61.35], [115.5, 61.25], [115.25, 61.35], [115.0, 61.25], [114.47, 61.47]]]]}, "2010-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[114.47, 61.47], [114.25, 62.0], [114.47, 62.53], [115.0, 62.75], [115.25, 62.65], [115.5, 62.75], [115.75, 62.65], [115.82, 62.68], [115.97, 63.03], [116.5, 63.25], [116.75, 63.15], [116.82, 63.18], [116.97, 63.53], [117.5, 63.75], [117.75, 63.65], [118.0, 63.75], [118.25, 63.65], [118.5, 63.75], [118.75, 63.65], [119.0, 63.75], [119.25, 63.65], [119.5, 63.75], [120.03, 63.53], [120.18, 63.18], [120.25, 63.15], [120.5, 63.25], [120.75, 63.15], [121.0, 63.25], [121.25, 63.15], [121.5, 63.25], [121.75, 63.15], [122.0, 63.25], [122.53, 63.03], [122.75, 62.5], [122.65, 62.25], [122.75, 62.0], [122.65, 61.75], [122.75, 61.5], [122.53, 60.97], [122.0, 60.75], [121.75, 60.85], [121.5, 60.75], [121.25, 60.85], [121.0, 60.75], [120.75, 60.85], [120.5, 60.75], [120.25, 60.85], [120.0, 60.75], [119.75, 60.85], [119.5, 60.75], 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"evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-43.27801932290262, -49.99049030244757, -46.53256099274191]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-12.032350866012852, -19.740093936974777, -15.542891506444526]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-14.879974968630222, -22.17312239420599, -18.27509059291978]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4448883568332445, -2.410101670310964, -1.8844226461644202]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.7200087655677436, -2.612568224806485, -2.2217239406026943]}}