{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:14.681486", "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-Sep-28_to_2016-Oct-01_131.0_59.5"}, "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": 2016090000680}, "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": "September 28 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 01 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 51955.637535687376}, "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", "Russian-Far-East"]}, "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": 59.5}, "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": 131.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "131.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 129.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 136.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 58.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 60.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.97, 59.47], [128.75, 60.0], [128.97, 60.53], [129.5, 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"2016-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.97, 59.47], [128.75, 60.0], [128.97, 60.53], [129.5, 60.75], [129.75, 60.65], [130.0, 60.75], [130.25, 60.65], [130.5, 60.75], [130.75, 60.65], [131.0, 60.75], [131.25, 60.65], [131.5, 60.75], [131.75, 60.65], [132.0, 60.75], [132.25, 60.65], [132.5, 60.75], [132.75, 60.65], [133.0, 60.75], [133.25, 60.65], [133.5, 60.75], [134.03, 60.53], [134.18, 60.18], [134.25, 60.15], [134.5, 60.25], [134.75, 60.15], [135.0, 60.25], [135.25, 60.15], [135.5, 60.25], [136.03, 60.03], [136.18, 59.68], [136.53, 59.53], [136.75, 59.0], [136.53, 58.47], [136.0, 58.25], [135.75, 58.35], [135.68, 58.32], [135.53, 57.97], [135.0, 57.75], [134.75, 57.85], [134.5, 57.75], [134.25, 57.85], [134.0, 57.75], [133.75, 57.85], [133.5, 57.75], [132.97, 57.97], [132.75, 58.5], [132.85, 58.75], [132.82, 58.82], [132.75, 58.85], [132.5, 58.75], [132.25, 58.85], [132.18, 58.82], [132.03, 58.47], [131.5, 58.25], [131.25, 58.35], [131.0, 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anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.850757038436257, -7.5589349142478, -4.90391621106204, -5.089330257327958]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.482540258498512, -1.9737793292867143, -1.4428522484865307, -1.453379506446015]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.7282111619248073, -2.3130235464774582, -1.6378250035919366, -1.713517937988609]}}