{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:36.853266", "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": "2016-Jun-23_to_2016-Jun-25_85.5_43.0"}, "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": 2016060000776}, "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": "June 23 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 25 2016"}, "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": 73324.85739376995}, "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": ["China"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.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": 43.0}, "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": 85.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "85.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 84.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 89.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 42.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.97, 44.03], [84.5, 44.25], [84.75, 44.15], [85.0, 44.25], 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"2016-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.97, 44.03], [84.5, 44.25], [84.75, 44.15], [85.0, 44.25], [85.25, 44.15], [85.5, 44.25], [85.75, 44.15], [86.0, 44.25], [86.25, 44.15], [86.5, 44.25], [86.75, 44.15], [87.0, 44.25], [87.25, 44.15], [87.38, 44.2], [87.25, 44.5], [87.35, 44.75], [87.25, 45.0], [87.35, 45.25], [87.32, 45.32], [86.97, 45.47], [86.75, 46.0], [86.97, 46.53], [87.5, 46.75], [87.75, 46.65], [87.82, 46.68], [87.97, 47.03], [88.5, 47.25], [89.03, 47.03], [89.25, 46.5], [89.15, 46.25], [89.25, 46.0], [89.15, 45.75], [89.18, 45.68], [89.53, 45.53], [89.68, 45.18], [90.03, 45.03], [90.25, 44.5], [90.03, 43.97], [89.68, 43.82], [89.53, 43.47], [89.0, 43.25], [88.75, 43.35], [88.68, 43.32], [88.65, 43.25], [88.75, 43.0], [88.53, 42.47], [88.0, 42.25], [87.75, 42.35], [87.5, 42.25], [87.25, 42.35], [87.0, 42.25], [86.75, 42.35], [86.5, 42.25], [86.25, 42.35], [86.18, 42.32], [86.03, 41.97], [85.5, 41.75], [85.25, 41.85], [85.0, 41.75], 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[-5.604179158097074, -5.527595280834774, -4.692929791237778]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-7.564412209977945, -7.844693409807292, -5.9601359928435045]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-2.2167209959511283, -2.1892057786884975, -1.822715776708059]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-3.672524549681581, -2.9167823195858653, -2.660436970291568]}}