{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:00.437588", "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": "2010-Jan-20_to_2010-Jan-22_115.5_65.5"}, "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": 2010010002226}, "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": "January 20 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 22 2010"}, "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": 75497.99267695937}, "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-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": []}, "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": 65.5}, "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": 115.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "115.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 112.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 118.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 62.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 67.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.97, 62.97], [111.75, 63.5], [111.97, 64.03], [112.5, 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62.82], [113.75, 62.85], [113.5, 62.75], [113.25, 62.85], [113.0, 62.75], [112.75, 62.85], [112.5, 62.75], [111.97, 62.97]]]]}, "2010-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.97, 62.97], [111.75, 63.5], [111.97, 64.03], [112.5, 64.25], [112.75, 64.15], [113.0, 64.25], [113.25, 64.15], [113.5, 64.25], [113.75, 64.15], [113.82, 64.18], [113.96, 64.5], [113.75, 65.0], [113.97, 65.53], [114.5, 65.75], [114.75, 65.65], [114.82, 65.68], [114.97, 66.03], [115.5, 66.25], [115.75, 66.15], [115.82, 66.18], [115.97, 66.53], [116.32, 66.68], [116.46, 67.0], [116.25, 67.5], [116.47, 68.03], [117.0, 68.25], [117.53, 68.03], [117.68, 67.68], [118.03, 67.53], [118.18, 67.18], [118.53, 67.03], [118.75, 66.5], [118.65, 66.25], [118.68, 66.18], [119.03, 66.03], [119.25, 65.5], [119.15, 65.25], [119.25, 65.0], [119.15, 64.75], [119.25, 64.5], [119.15, 64.25], [119.25, 64.0], [119.15, 63.75], [119.25, 63.5], [119.03, 62.97], [118.5, 62.75], [118.25, 62.85], [118.18, 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"description": "The daily evolution of mean t2m.", "value": [-20.266148730974265, -16.218716594592877, -18.930310021966562]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-16.193316363902625, -12.705177608355655, -15.568150550975247]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [12.954965821309969, 16.711129470120333, 13.477232865311647]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [17.713040434976534, 19.69953797028009, 15.53292325932756]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6429587130734076, 2.044228768838013, 1.5757090959959241]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.189154946681026, 2.363748219467779, 1.818107186793614]}}