{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:32:05.682282", "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": "2022-Aug-04_to_2022-Aug-07_39.5_56.5"}, "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": 2022080001663}, "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 04 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 07 2022"}, "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": 166243.93048433078}, "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", "West&Central-Europe"]}, "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": 56.5}, "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": 39.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "39.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 33.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 47.25}, "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": 59.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.47, 57.03], [34.0, 57.25], [34.25, 57.15], [34.5, 57.25], [35.03, 57.03], [35.18, 56.68], [35.25, 56.65], [35.32, 56.68], [35.47, 57.03], [35.82, 57.18], [35.97, 57.53], [36.5, 57.75], [36.75, 57.65], [37.0, 57.75], [37.25, 57.65], [37.5, 57.75], [38.03, 57.53], [38.18, 57.18], [38.25, 57.15], [38.32, 57.18], [38.47, 57.53], [39.0, 57.75], [39.25, 57.65], [39.5, 57.75], [39.75, 57.65], [40.0, 57.75], [40.25, 57.65], [40.5, 57.75], [40.75, 57.65], [41.0, 57.75], [41.53, 57.53], [41.75, 57.0], [41.65, 56.75], [41.75, 56.5], [41.53, 55.97], [41.18, 55.82], [41.03, 55.47], [40.5, 55.25], [40.0, 55.46], [39.5, 55.25], [39.25, 55.35], [39.0, 55.25], [38.75, 55.35], [38.5, 55.25], [38.25, 55.35], [38.0, 55.25], [37.75, 55.35], [37.5, 55.25], [37.25, 55.35], [37.0, 55.25], [36.75, 55.35], [36.5, 55.25], [36.25, 55.35], [36.18, 55.32], [36.03, 54.97], [35.5, 54.75], [35.25, 54.85], [35.0, 54.75], [34.47, 54.97], [34.32, 55.32], [34.25, 55.35], [34.0, 55.25], [33.47, 55.47], [33.25, 56.0], [33.35, 56.25], [33.25, 56.5], [33.47, 57.03]]]]}, "2022-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.47, 57.03], [34.0, 57.25], [34.25, 57.15], [34.5, 57.25], [35.03, 57.03], [35.18, 56.68], [35.25, 56.65], [35.32, 56.68], [35.47, 57.03], [35.82, 57.18], [35.97, 57.53], [36.5, 57.75], [36.75, 57.65], [37.0, 57.75], [37.25, 57.65], [37.5, 57.75], [38.03, 57.53], [38.18, 57.18], [38.25, 57.15], [38.32, 57.18], [38.47, 57.53], [39.0, 57.75], [39.25, 57.65], [39.5, 57.75], [39.75, 57.65], [40.0, 57.75], [40.25, 57.65], [40.32, 57.68], [40.47, 58.03], [40.82, 58.18], [40.97, 58.53], [41.32, 58.68], [41.47, 59.03], [41.82, 59.18], [41.97, 59.53], [42.32, 59.68], [42.47, 60.03], [43.0, 60.25], [43.25, 60.15], [43.5, 60.25], [43.75, 60.15], [44.0, 60.25], [44.53, 60.03], [44.68, 59.68], [44.75, 59.65], [45.0, 59.75], [45.25, 59.65], [45.32, 59.68], [45.47, 60.03], [46.0, 60.25], [46.53, 60.03], [46.75, 59.5], [46.65, 59.25], [46.68, 59.18], [46.75, 59.15], [47.0, 59.25], [47.53, 59.03], [47.75, 58.5], [47.53, 57.97], [47.18, 57.82], [47.03, 57.47], [46.5, 57.25], [46.25, 57.35], [46.0, 57.25], [45.75, 57.35], [45.5, 57.25], [44.97, 57.47], [44.75, 58.0], [44.85, 58.25], [44.82, 58.32], [44.75, 58.35], [44.5, 58.25], [44.2, 58.38], [44.03, 57.97], [43.68, 57.82], [43.65, 57.75], [43.75, 57.5], [43.65, 57.25], [43.75, 57.0], [43.53, 56.47], [43.0, 56.25], [42.7, 56.38], [42.65, 56.25], [42.75, 56.0], [42.53, 55.47], [42.18, 55.32], [42.03, 54.97], [41.5, 54.75], [41.25, 54.85], [41.0, 54.75], [40.75, 54.85], [40.5, 54.75], [40.25, 54.85], [40.18, 54.82], [40.03, 54.47], [39.5, 54.25], [39.25, 54.35], [39.18, 54.32], [39.03, 53.97], [38.5, 53.75], [38.25, 53.85], [38.18, 53.82], [38.03, 53.47], [37.5, 53.25], [37.25, 53.35], [37.0, 53.25], [36.75, 53.35], [36.5, 53.25], [35.97, 53.47], [35.75, 54.0], [35.85, 54.25], [35.75, 54.5], [35.93, 54.93], [35.5, 54.75], [35.25, 54.85], [35.0, 54.75], [34.47, 54.97], [34.32, 55.32], [34.25, 55.35], [34.0, 55.25], [33.47, 55.47], [33.25, 56.0], [33.35, 56.25], [33.25, 56.5], [33.47, 57.03]], [[36.25, 55.35], [36.18, 55.32], [36.07, 55.07], [36.32, 55.18], [36.38, 55.3], [36.25, 55.35]]]]}, "2022-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.47, 57.03], [34.0, 57.25], [34.25, 57.15], [34.5, 57.25], [35.03, 57.03], [35.18, 56.68], [35.25, 56.65], [35.32, 56.68], [35.47, 57.03], [35.82, 57.18], [35.97, 57.53], [36.5, 57.75], [36.75, 57.65], [37.0, 57.75], [37.25, 57.65], [37.5, 57.75], [38.03, 57.53], [38.18, 57.18], [38.25, 57.15], [38.32, 57.18], [38.47, 57.53], [39.0, 57.75], [39.25, 57.65], [39.5, 57.75], [39.75, 57.65], [40.0, 57.75], [40.25, 57.65], [40.32, 57.68], [40.47, 58.03], [40.82, 58.18], [40.97, 58.53], [41.32, 58.68], [41.47, 59.03], [41.82, 59.18], [41.97, 59.53], [42.32, 59.68], [42.47, 60.03], [43.0, 60.25], [43.25, 60.15], [43.5, 60.25], [43.75, 60.15], [44.0, 60.25], [44.53, 60.03], [44.68, 59.68], [44.75, 59.65], [45.0, 59.75], [45.25, 59.65], [45.32, 59.68], [45.47, 60.03], [46.0, 60.25], [46.53, 60.03], [46.75, 59.5], [46.65, 59.25], [46.68, 59.18], [46.75, 59.15], [47.0, 59.25], [47.53, 59.03], [47.75, 58.5], [47.53, 57.97], [47.18, 57.82], [47.03, 57.47], [46.5, 57.25], [46.25, 57.35], [46.0, 57.25], [45.75, 57.35], [45.5, 57.25], [44.97, 57.47], [44.75, 58.0], [44.85, 58.25], [44.82, 58.32], [44.75, 58.35], [44.5, 58.25], [44.2, 58.38], [44.03, 57.97], [43.68, 57.82], [43.65, 57.75], [43.75, 57.5], [43.65, 57.25], [43.75, 57.0], [43.53, 56.47], [43.0, 56.25], [42.7, 56.38], [42.65, 56.25], [42.75, 56.0], [42.53, 55.47], [42.18, 55.32], [42.03, 54.97], [41.5, 54.75], [41.25, 54.85], [41.0, 54.75], [40.75, 54.85], [40.5, 54.75], [40.25, 54.85], [40.18, 54.82], [40.03, 54.47], [39.5, 54.25], [39.25, 54.35], [39.18, 54.32], [39.03, 53.97], [38.5, 53.75], [38.25, 53.85], [38.18, 53.82], [38.03, 53.47], [37.5, 53.25], [37.25, 53.35], [37.0, 53.25], [36.75, 53.35], [36.5, 53.25], [35.97, 53.47], [35.75, 54.0], [35.85, 54.25], [35.75, 54.5], [35.93, 54.93], [35.5, 54.75], [35.25, 54.85], [35.0, 54.75], [34.47, 54.97], [34.32, 55.32], [34.25, 55.35], [34.0, 55.25], [33.47, 55.47], [33.25, 56.0], [33.35, 56.25], [33.25, 56.5], [33.47, 57.03]], [[36.25, 55.35], [36.18, 55.32], [36.07, 55.07], [36.32, 55.18], [36.38, 55.3], [36.25, 55.35]]]]}, "2022-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.97, 55.03], [36.32, 55.18], [36.47, 55.53], [36.82, 55.68], [36.97, 56.03], [37.5, 56.25], [37.75, 56.15], [37.82, 56.18], [37.97, 56.53], [38.32, 56.68], [38.47, 57.03], [39.0, 57.25], [39.25, 57.15], [39.32, 57.18], [39.47, 57.53], [40.0, 57.75], [40.25, 57.65], [40.32, 57.68], [40.47, 58.03], [40.82, 58.18], [40.97, 58.53], [41.32, 58.68], [41.47, 59.03], [41.82, 59.18], [41.97, 59.53], [42.32, 59.68], [42.47, 60.03], [43.0, 60.25], [43.25, 60.15], [43.5, 60.25], [43.75, 60.15], [44.0, 60.25], [44.53, 60.03], [44.68, 59.68], [44.75, 59.65], [45.0, 59.75], [45.25, 59.65], [45.32, 59.68], [45.47, 60.03], [46.0, 60.25], [46.53, 60.03], [46.75, 59.5], [46.65, 59.25], [46.68, 59.18], [46.75, 59.15], [47.0, 59.25], [47.53, 59.03], [47.75, 58.5], [47.53, 57.97], [47.18, 57.82], [47.03, 57.47], [46.5, 57.25], [46.25, 57.35], [46.0, 57.25], [45.75, 57.35], [45.5, 57.25], [44.97, 57.47], [44.75, 58.0], [44.85, 58.25], [44.82, 58.32], [44.75, 58.35], [44.5, 58.25], [44.2, 58.38], [44.03, 57.97], [43.68, 57.82], [43.65, 57.75], [43.75, 57.5], [43.65, 57.25], [43.75, 57.0], [43.53, 56.47], [43.0, 56.25], [42.7, 56.38], [42.65, 56.25], [42.75, 56.0], [42.53, 55.47], [42.18, 55.32], [42.03, 54.97], [41.5, 54.75], [41.25, 54.85], [41.0, 54.75], [40.75, 54.85], [40.5, 54.75], [40.25, 54.85], [40.18, 54.82], [40.03, 54.47], [39.5, 54.25], [39.25, 54.35], [39.18, 54.32], [39.03, 53.97], [38.5, 53.75], [38.25, 53.85], [38.18, 53.82], [38.03, 53.47], [37.5, 53.25], [37.25, 53.35], [37.0, 53.25], [36.75, 53.35], [36.5, 53.25], [35.97, 53.47], [35.75, 54.0], [35.85, 54.25], [35.75, 54.5], [35.97, 55.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.5322984516083125}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.0903468934836695}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.540253234867578, 22.924158256911767, 23.74749925400937, 22.88546179599581]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.259920807452943, 24.355523536056637, 24.936717241980034, 24.495687890013187]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.1640512923754995, 4.786495948597488, 5.753297843895188, 5.065412313732471]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.497039000024529, 5.725851936672257, 6.5322984516083125, 6.169053793322973]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2604672543607718, 1.3917300914189146, 1.6863522448800685, 1.4415716035726738]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3626745170196044, 1.7061039769636208, 2.0368616119998872, 1.6554511667331664]}}