{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:42.160282", "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": "2013-Jun-09_to_2013-Jun-11_52.0_67.0"}, "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": 2013060001941}, "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 09 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 11 2013"}, "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": 73143.77031775373}, "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.Europe", "Russian-Arctic"]}, "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": ["Barentsz Sea"]}, "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": 67.0}, "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": 52.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "52.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 49.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 54.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 63.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 67.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.82, 64.32], [49.47, 64.47], [49.25, 65.0], [49.47, 65.53], 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"coordinates": [[[[49.82, 64.32], [49.47, 64.47], [49.25, 65.0], [49.47, 65.53], [50.0, 65.75], [50.25, 65.65], [50.32, 65.68], [50.47, 66.03], [50.82, 66.18], [50.85, 66.25], [50.75, 66.5], [50.97, 67.03], [51.32, 67.18], [51.47, 67.53], [52.0, 67.75], [52.25, 67.65], [52.5, 67.75], [53.03, 67.53], [53.18, 67.18], [53.25, 67.15], [53.5, 67.25], [53.75, 67.15], [54.0, 67.25], [54.25, 67.15], [54.5, 67.25], [55.03, 67.03], [55.25, 66.5], [55.03, 65.97], [54.68, 65.82], [54.65, 65.75], [54.75, 65.5], [54.65, 65.25], [54.68, 65.18], [55.03, 65.03], [55.25, 64.5], [55.15, 64.25], [55.25, 64.0], [55.03, 63.47], [54.68, 63.32], [54.53, 62.97], [54.0, 62.75], [53.75, 62.85], [53.5, 62.75], [53.25, 62.85], [53.0, 62.75], [52.75, 62.85], [52.5, 62.75], [52.25, 62.85], [52.0, 62.75], [51.47, 62.97], [51.32, 63.32], [51.25, 63.35], [51.18, 63.32], [51.03, 62.97], [50.5, 62.75], [50.25, 62.85], [50.0, 62.75], [49.47, 62.97], [49.25, 63.5], [49.47, 64.03], [49.82, 64.18], [49.85, 64.25], [49.82, 64.32]]]]}, "2013-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.82, 64.32], [49.47, 64.47], [49.25, 65.0], [49.47, 65.53], [50.0, 65.75], [50.25, 65.65], [50.32, 65.68], [50.47, 66.03], [50.82, 66.18], [50.85, 66.25], [50.75, 66.5], [50.97, 67.03], [51.32, 67.18], [51.47, 67.53], [52.0, 67.75], [52.25, 67.65], [52.5, 67.75], [53.03, 67.53], [53.18, 67.18], [53.25, 67.15], [53.5, 67.25], [53.75, 67.15], [54.0, 67.25], [54.25, 67.15], [54.5, 67.25], [55.03, 67.03], [55.25, 66.5], [55.03, 65.97], [54.68, 65.82], [54.65, 65.75], [54.75, 65.5], [54.65, 65.25], [54.68, 65.18], [55.03, 65.03], [55.25, 64.5], [55.15, 64.25], [55.25, 64.0], [55.03, 63.47], [54.68, 63.32], [54.53, 62.97], [54.0, 62.75], [53.75, 62.85], [53.5, 62.75], [53.25, 62.85], [53.0, 62.75], [52.75, 62.85], [52.5, 62.75], [52.25, 62.85], [52.0, 62.75], [51.47, 62.97], [51.32, 63.32], [51.25, 63.35], [51.18, 63.32], [51.03, 62.97], [50.5, 62.75], [50.25, 62.85], [50.0, 62.75], [49.47, 62.97], 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evolution of maximum t2m anomalies.", "value": [8.720293677176642, 10.861313990651752, 9.788984323106149]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5194707216334449, 1.6788011528796483, 1.6087931891645766]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7313058049876002, 2.194716771853615, 1.8762238815110086]}}