{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:07.198376", "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": "2015-Oct-31_to_2015-Nov-02_114.0_55.0"}, "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": 2015100002656}, "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": "October 31 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 02 2015"}, "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": 55788.89591604422}, "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": 55.0}, "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": 114.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "114.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 108.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 114.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 52.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 56.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.47, 54.53], [108.82, 54.68], [108.97, 55.03], [109.5, 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52.97], [108.25, 53.5], [108.35, 53.75], [108.25, 54.0], [108.47, 54.53]]]]}, "2015-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.47, 54.53], [108.82, 54.68], [108.97, 55.03], [109.5, 55.25], [110.03, 55.03], [110.18, 54.68], [110.53, 54.53], [110.68, 54.18], [110.75, 54.15], [111.0, 54.25], [111.25, 54.15], [111.32, 54.18], [111.35, 54.25], [111.25, 54.5], [111.47, 55.03], [111.82, 55.18], [111.88, 55.3], [111.47, 55.47], [111.25, 56.0], [111.35, 56.25], [111.25, 56.5], [111.47, 57.03], [112.0, 57.25], [112.53, 57.03], [112.68, 56.68], [112.75, 56.65], [113.0, 56.75], [113.25, 56.65], [113.5, 56.75], [113.75, 56.65], [114.0, 56.75], [114.53, 56.53], [114.75, 56.0], [114.54, 55.5], [114.75, 55.0], [114.53, 54.47], [114.0, 54.25], [113.75, 54.35], [113.68, 54.32], [113.53, 53.97], [113.18, 53.82], [113.15, 53.75], [113.18, 53.68], [113.53, 53.53], [113.75, 53.0], [113.53, 52.47], [113.0, 52.25], [112.75, 52.35], [112.5, 52.25], [112.25, 52.35], [112.0, 52.25], [111.75, 52.35], [111.5, 52.25], [111.25, 52.35], [111.0, 52.25], [110.47, 52.47], [110.32, 52.82], [109.97, 52.97], [109.82, 53.32], [109.75, 53.35], [109.68, 53.32], [109.53, 52.97], [109.0, 52.75], [108.47, 52.97], [108.25, 53.5], [108.35, 53.75], [108.25, 54.0], [108.47, 54.53]]]]}, "2015-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.47, 54.53], [108.82, 54.68], [108.97, 55.03], [109.5, 55.25], [110.03, 55.03], [110.18, 54.68], [110.53, 54.53], [110.68, 54.18], [110.75, 54.15], [111.0, 54.25], [111.25, 54.15], [111.32, 54.18], [111.35, 54.25], [111.25, 54.5], [111.47, 55.03], [111.82, 55.18], [111.88, 55.3], [111.47, 55.47], [111.25, 56.0], [111.35, 56.25], [111.25, 56.5], [111.47, 57.03], [112.0, 57.25], [112.53, 57.03], [112.68, 56.68], [112.75, 56.65], [113.0, 56.75], [113.25, 56.65], [113.5, 56.75], [113.75, 56.65], [114.0, 56.75], [114.53, 56.53], [114.75, 56.0], [114.54, 55.5], [114.75, 55.0], [114.53, 54.47], [114.0, 54.25], [113.75, 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"Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.253348521223813, 6.217922403963314, 5.114852589261261]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.533039297639406, 7.440037033554257, 7.3113536441147895]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.632123430347463, 9.092022406064132, 8.675737137303827]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4539518696448115, 1.4015517641123845, 1.3846302581646468]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7180917776407072, 1.6106146221333952, 1.6271515158545904]}}