{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:49.618572", "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": "2014-Jul-15_to_2014-Jul-17_73.5_48.5"}, "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": 2014070000722}, "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": "July 15 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 17 2014"}, "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": 84900.15035192898}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 48.5}, "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": 73.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "73.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 72.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 79.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 47.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 51.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.82, 49.18], [72.97, 49.53], [73.32, 49.68], [73.47, 50.03], 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48.53], [72.32, 48.68], [72.47, 49.03], [72.82, 49.18]]]]}, "2014-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.82, 49.18], [72.97, 49.53], [73.32, 49.68], [73.47, 50.03], [74.0, 50.25], [74.25, 50.15], [74.5, 50.25], [74.75, 50.15], [74.82, 50.18], [74.97, 50.53], [75.5, 50.75], [75.75, 50.65], [76.0, 50.75], [76.25, 50.65], [76.5, 50.75], [76.75, 50.65], [77.0, 50.75], [77.25, 50.65], [77.32, 50.68], [77.47, 51.03], [77.82, 51.18], [77.97, 51.53], [78.5, 51.75], [79.03, 51.53], [79.25, 51.0], [79.15, 50.75], [79.25, 50.5], [79.15, 50.25], [79.25, 50.0], [79.03, 49.47], [78.68, 49.32], [78.65, 49.25], [78.68, 49.18], [78.75, 49.15], [79.0, 49.25], [79.53, 49.03], [79.75, 48.5], [79.53, 47.97], [79.0, 47.75], [78.75, 47.85], [78.5, 47.75], [77.97, 47.97], [77.82, 48.32], [77.75, 48.35], [77.5, 48.25], [77.25, 48.35], [77.0, 48.25], [76.75, 48.35], [76.5, 48.25], [76.25, 48.35], [76.0, 48.25], [75.75, 48.35], [75.68, 48.32], [75.53, 47.97], [75.18, 47.82], 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maximum t2m.", "value": [10.251480713662147, 12.115804807388088, 13.120177763349545]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-6.339275259834556, -5.168364506012348, -4.340683000396727]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-8.388442674490364, -5.844065354741815, -4.834273828346454]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.9335209622592973, -1.6080830457781743, -1.3881060176896955]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.367485451689981, -1.725235092059875, -1.522413795502016]}}