{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:55.731365", "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": "2023-Aug-02_to_2023-Aug-05_81.5_55.5"}, "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": 2023080001180}, "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 02 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 05 2023"}, "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": "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": 110522.4933377305}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe"]}, "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": 55.5}, "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": 81.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "81.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 81.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 88.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 55.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 59.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[81.25, 54.85], [81.0, 54.75], [80.47, 54.97], [80.25, 55.5], [80.35, 55.75], [80.25, 56.0], [80.35, 56.25], [80.25, 56.5], [80.47, 57.03], [80.82, 57.18], [80.97, 57.53], [81.5, 57.75], [81.75, 57.65], [82.0, 57.75], [82.5, 57.54], [82.88, 57.7], [82.75, 58.0], [82.97, 58.53], [83.5, 58.75], [83.75, 58.65], [83.82, 58.68], [83.85, 58.75], [83.75, 59.0], [83.97, 59.53], [84.5, 59.75], [85.03, 59.53], [85.18, 59.18], [85.25, 59.15], [85.5, 59.25], [85.75, 59.15], [85.82, 59.18], [85.85, 59.25], [85.75, 59.5], [85.97, 60.03], [86.5, 60.25], [86.75, 60.15], [87.0, 60.25], [87.25, 60.15], [87.5, 60.25], [88.03, 60.03], [88.18, 59.68], [88.53, 59.53], [88.75, 59.0], [88.65, 58.75], [88.68, 58.68], [89.03, 58.53], [89.25, 58.0], [89.03, 57.47], [88.5, 57.25], [88.25, 57.35], [88.0, 57.25], [87.47, 57.47], [87.3, 57.88], [87.18, 57.82], [87.03, 57.47], [86.68, 57.32], [86.65, 57.25], [86.75, 57.0], [86.65, 56.75], [86.75, 56.5], [86.65, 56.25], [86.68, 56.18], [87.03, 56.03], [87.25, 55.5], [87.03, 54.97], [86.5, 54.75], [86.25, 54.85], [86.0, 54.75], [85.75, 54.85], [85.5, 54.75], [85.25, 54.85], [85.0, 54.75], [84.47, 54.97], [84.32, 55.32], [84.25, 55.35], [84.0, 55.25], [83.7, 55.38], [83.53, 54.97], [83.0, 54.75], [82.75, 54.85], [82.5, 54.75], [82.25, 54.85], [82.0, 54.75], [81.75, 54.85], [81.5, 54.75], [81.25, 54.85]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Siberia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.25, 56.0], [80.35, 56.25], [80.25, 56.5], [80.47, 57.03], [80.82, 57.18], [80.97, 57.53], [81.5, 57.75], [81.75, 57.65], [82.0, 57.75], [82.5, 57.54], [82.88, 57.7], [82.75, 58.0], [82.97, 58.53], [83.5, 58.75], [83.75, 58.65], [83.82, 58.68], [83.85, 58.75], [83.75, 59.0], [83.97, 59.53], [84.5, 59.75], [85.03, 59.53], [85.18, 59.18], [85.25, 59.15], [85.5, 59.25], [85.75, 59.15], [85.82, 59.18], [85.85, 59.25], [85.75, 59.5], [85.97, 60.03], [86.5, 60.25], [86.75, 60.15], [87.0, 60.25], [87.25, 60.15], [87.5, 60.25], [88.03, 60.03], [88.18, 59.68], [88.53, 59.53], [88.75, 59.0], [88.65, 58.75], [88.68, 58.68], [89.03, 58.53], [89.25, 58.0], [89.03, 57.47], [88.5, 57.25], [88.25, 57.35], [88.0, 57.25], [87.47, 57.47], [87.3, 57.88], [87.18, 57.82], [87.03, 57.47], [86.68, 57.32], [86.65, 57.25], [86.75, 57.0], [86.65, 56.75], [86.75, 56.5], [86.65, 56.25], [86.68, 56.18], [87.03, 56.03], [87.25, 55.5], [87.03, 54.97], [86.5, 54.75], [86.25, 54.85], [86.0, 54.75], [85.75, 54.85], [85.5, 54.75], [85.25, 54.85], [85.0, 54.75], [84.47, 54.97], [84.32, 55.32], [84.25, 55.35], [84.0, 55.25], [83.7, 55.38], [83.53, 54.97], [83.0, 54.75], [82.75, 54.85], [82.5, 54.75], [82.25, 54.85], [82.0, 54.75], [81.75, 54.85], [81.5, 54.75], [81.25, 54.85], [81.0, 54.75], [80.47, 54.97], [80.25, 55.5], [80.35, 55.75], [80.25, 56.0]]]]}, "2023-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.25, 56.0], [80.35, 56.25], [80.25, 56.5], [80.47, 57.03], [80.82, 57.18], [80.97, 57.53], [81.5, 57.75], [81.75, 57.65], [82.0, 57.75], [82.5, 57.54], [82.88, 57.7], [82.75, 58.0], [82.97, 58.53], [83.5, 58.75], [83.75, 58.65], [83.82, 58.68], [83.85, 58.75], [83.75, 59.0], [83.97, 59.53], [84.5, 59.75], [85.03, 59.53], [85.18, 59.18], [85.25, 59.15], [85.5, 59.25], [85.75, 59.15], [85.82, 59.18], [85.85, 59.25], [85.75, 59.5], [85.97, 60.03], [86.5, 60.25], [86.75, 60.15], [87.0, 60.25], [87.25, 60.15], [87.5, 60.25], [88.03, 60.03], [88.18, 59.68], [88.53, 59.53], [88.75, 59.0], [88.65, 58.75], [88.68, 58.68], [89.03, 58.53], [89.25, 58.0], [89.03, 57.47], [88.5, 57.25], [88.25, 57.35], [88.0, 57.25], [87.47, 57.47], [87.3, 57.88], [87.18, 57.82], [87.03, 57.47], [86.68, 57.32], [86.65, 57.25], [86.75, 57.0], [86.65, 56.75], [86.75, 56.5], [86.65, 56.25], [86.68, 56.18], [87.03, 56.03], [87.25, 55.5], [87.03, 54.97], [86.5, 54.75], [86.25, 54.85], [86.0, 54.75], [85.75, 54.85], [85.5, 54.75], [85.25, 54.85], [85.0, 54.75], [84.47, 54.97], [84.32, 55.32], [84.25, 55.35], [84.0, 55.25], [83.7, 55.38], [83.53, 54.97], [83.0, 54.75], [82.75, 54.85], [82.5, 54.75], [82.25, 54.85], [82.0, 54.75], [81.75, 54.85], [81.5, 54.75], [81.25, 54.85], [81.0, 54.75], [80.47, 54.97], [80.25, 55.5], [80.35, 55.75], [80.25, 56.0]]]]}, "2023-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.25, 56.0], [80.35, 56.25], [80.25, 56.5], [80.47, 57.03], [80.82, 57.18], [80.97, 57.53], [81.5, 57.75], [81.75, 57.65], [82.0, 57.75], [82.5, 57.54], [82.88, 57.7], [82.75, 58.0], [82.97, 58.53], [83.5, 58.75], [83.75, 58.65], [83.82, 58.68], [83.85, 58.75], [83.75, 59.0], [83.97, 59.53], [84.5, 59.75], [85.03, 59.53], [85.18, 59.18], [85.25, 59.15], [85.5, 59.25], [85.75, 59.15], [85.82, 59.18], [85.85, 59.25], [85.75, 59.5], [85.97, 60.03], [86.5, 60.25], [86.75, 60.15], [87.0, 60.25], [87.25, 60.15], [87.5, 60.25], [88.03, 60.03], [88.18, 59.68], [88.53, 59.53], [88.75, 59.0], [88.65, 58.75], [88.68, 58.68], [89.03, 58.53], [89.25, 58.0], [89.03, 57.47], [88.5, 57.25], [88.25, 57.35], [88.0, 57.25], [87.47, 57.47], [87.3, 57.88], [87.18, 57.82], [87.03, 57.47], [86.68, 57.32], [86.65, 57.25], [86.75, 57.0], [86.65, 56.75], [86.75, 56.5], [86.65, 56.25], [86.68, 56.18], [87.03, 56.03], [87.25, 55.5], [87.03, 54.97], [86.5, 54.75], [86.25, 54.85], [86.0, 54.75], [85.75, 54.85], [85.5, 54.75], [85.25, 54.85], [85.0, 54.75], [84.47, 54.97], [84.32, 55.32], [84.25, 55.35], [84.0, 55.25], [83.7, 55.38], [83.53, 54.97], [83.0, 54.75], [82.75, 54.85], [82.5, 54.75], [82.25, 54.85], [82.0, 54.75], [81.75, 54.85], [81.5, 54.75], [81.25, 54.85], [81.0, 54.75], [80.47, 54.97], [80.25, 55.5], [80.35, 55.75], [80.25, 56.0]]]]}, "2023-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.97, 56.03], [81.5, 56.25], [82.03, 56.03], [82.25, 55.5], [82.03, 54.97], [81.5, 54.75], [80.97, 54.97], [80.75, 55.5], [80.97, 56.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.524721853872052}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.83105689760135}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.728505500917834, 22.542022352639833, 22.202661927447593, 21.734415404865842]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.00813698638933, 23.749952304275382, 23.451323876316792, 21.734415404865842]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.247573188197442, 5.209447750772874, 5.043418793602057, 4.351300272892331]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.945242470515211, 5.814264869675242, 6.524721853872052, 4.351300272892331]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3905370408902191, 1.7137003596136047, 1.6357411166660223, 1.4333451640860817]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6664413586695934, 1.94344963221236, 2.119055638739694, 1.4333451640860817]}}