{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:32.483068", "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-Aug-21_to_2010-Aug-23_90.0_57.5"}, "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": 2010080002558}, "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": "August 21 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 23 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": 99082.70638932052}, "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", "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": 57.5}, "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": 90.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "90.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 85.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 90.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 53.75}, "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": {"2010-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[85.47, 57.03], [85.82, 57.18], [85.97, 57.53], [86.32, 57.68], 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{"type": "MultiPolygon", "coordinates": [[[[85.47, 57.03], [85.82, 57.18], [85.97, 57.53], [86.32, 57.68], [86.47, 58.03], [86.82, 58.18], [86.97, 58.53], [87.32, 58.68], [87.47, 59.03], [87.82, 59.18], [87.85, 59.25], [87.75, 59.5], [87.97, 60.03], [88.5, 60.25], [88.75, 60.15], [88.82, 60.18], [88.97, 60.53], [89.5, 60.75], [89.75, 60.65], [90.0, 60.75], [90.53, 60.53], [90.68, 60.18], [91.03, 60.03], [91.25, 59.5], [91.03, 58.97], [90.68, 58.82], [90.65, 58.75], [90.75, 58.5], [90.54, 58.0], [90.75, 57.5], [90.53, 56.97], [90.18, 56.82], [90.03, 56.47], [89.5, 56.25], [89.25, 56.35], [89.18, 56.32], [89.04, 56.0], [89.25, 55.5], [89.15, 55.25], [89.18, 55.18], [89.53, 55.03], [89.75, 54.5], [89.65, 54.25], [89.75, 54.0], [89.53, 53.47], [89.0, 53.25], [88.75, 53.35], [88.5, 53.25], [88.25, 53.35], [88.0, 53.25], [87.47, 53.47], [87.32, 53.82], [86.97, 53.97], [86.75, 54.5], [86.85, 54.75], [86.82, 54.82], [86.47, 54.97], [86.32, 55.32], [86.25, 55.35], [86.0, 55.25], [85.47, 55.47], [85.25, 56.0], [85.35, 56.25], [85.25, 56.5], [85.47, 57.03]]]]}, "2010-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[85.47, 57.03], [85.82, 57.18], [85.97, 57.53], [86.32, 57.68], [86.47, 58.03], [86.82, 58.18], [86.97, 58.53], [87.32, 58.68], [87.47, 59.03], [87.82, 59.18], [87.85, 59.25], [87.75, 59.5], [87.97, 60.03], [88.5, 60.25], [88.75, 60.15], [88.82, 60.18], [88.97, 60.53], [89.5, 60.75], [89.75, 60.65], [90.0, 60.75], [90.53, 60.53], [90.68, 60.18], [91.03, 60.03], [91.25, 59.5], [91.03, 58.97], [90.68, 58.82], [90.65, 58.75], [90.75, 58.5], [90.54, 58.0], [90.75, 57.5], [90.53, 56.97], [90.18, 56.82], [90.03, 56.47], [89.5, 56.25], [89.25, 56.35], [89.18, 56.32], [89.04, 56.0], [89.25, 55.5], [89.15, 55.25], [89.18, 55.18], [89.53, 55.03], [89.75, 54.5], [89.65, 54.25], [89.75, 54.0], [89.53, 53.47], [89.0, 53.25], [88.75, 53.35], [88.5, 53.25], [88.25, 53.35], [88.0, 53.25], [87.47, 53.47], [87.32, 53.82], [86.97, 53.97], [86.75, 54.5], [86.85, 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"anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.981022987414917, 10.213505164352512, 6.898088742361722]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.564518700396577, 3.1431474399147827, 1.625286313295306]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8990856368845628, 3.3383946736810777, 2.3141191072065777]}}