{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:30:28.716935", "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-Mar-21_to_2022-Mar-25_34.0_52.0"}, "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": 2022030002168}, "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": "March 21 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 25 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 71259.99033934117}, "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": ["Belarus", "Russian Federation", "Ukraine"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["West&Central-Europe"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 52.0}, "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": 34.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "34.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 29.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 36.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 50.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 55.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.97, 55.03], [29.32, 55.18], [29.47, 55.53], [30.0, 55.75], [30.53, 55.53], [30.68, 55.18], [31.03, 55.03], [31.25, 54.5], [31.03, 53.97], [30.68, 53.82], [30.65, 53.75], [30.68, 53.68], [30.75, 53.65], [31.0, 53.75], [31.25, 53.65], [31.5, 53.75], [31.75, 53.65], [32.0, 53.75], [32.25, 53.65], [32.5, 53.75], [32.75, 53.65], [33.0, 53.75], [33.25, 53.65], [33.5, 53.75], [33.75, 53.65], [34.0, 53.75], [34.53, 53.53], [34.75, 53.0], [34.65, 52.75], [34.68, 52.68], [34.75, 52.65], [35.0, 52.75], [35.53, 52.53], [35.75, 52.0], [35.65, 51.75], [35.75, 51.5], [35.53, 50.97], [35.0, 50.75], [34.75, 50.85], [34.5, 50.75], [34.25, 50.85], [34.0, 50.75], [33.75, 50.85], [33.5, 50.75], [33.25, 50.85], [33.0, 50.75], [32.47, 50.97], [32.32, 51.32], [32.25, 51.35], [32.0, 51.25], [31.75, 51.35], [31.5, 51.25], [30.97, 51.47], [30.82, 51.82], [30.47, 51.97], [30.32, 52.32], [30.25, 52.35], [30.0, 52.25], [29.47, 52.47], [29.25, 53.0], [29.35, 53.25], [29.32, 53.32], [28.97, 53.47], [28.75, 54.0], [28.85, 54.25], [28.75, 54.5], [28.97, 55.03]]]]}, "2022-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.97, 55.03], [29.32, 55.18], [29.47, 55.53], [30.0, 55.75], [30.53, 55.53], [30.68, 55.18], [31.03, 55.03], [31.25, 54.5], [31.03, 53.97], [30.68, 53.82], [30.65, 53.75], [30.68, 53.68], [30.75, 53.65], [31.0, 53.75], [31.25, 53.65], [31.5, 53.75], [31.75, 53.65], [32.0, 53.75], [32.25, 53.65], [32.5, 53.75], [32.75, 53.65], [33.0, 53.75], [33.25, 53.65], [33.5, 53.75], [33.75, 53.65], [34.0, 53.75], [34.53, 53.53], [34.75, 53.0], [34.65, 52.75], [34.68, 52.68], [34.75, 52.65], [35.0, 52.75], [35.53, 52.53], [35.68, 52.18], [36.03, 52.03], [36.25, 51.5], [36.03, 50.97], [35.5, 50.75], [35.25, 50.85], [35.0, 50.75], [34.75, 50.85], [34.5, 50.75], [34.25, 50.85], [34.0, 50.75], [33.75, 50.85], [33.5, 50.75], [33.25, 50.85], [33.0, 50.75], [32.47, 50.97], [32.32, 51.32], [32.25, 51.35], [32.0, 51.25], [31.75, 51.35], [31.5, 51.25], [30.97, 51.47], [30.82, 51.82], [30.47, 51.97], [30.32, 52.32], [30.25, 52.35], [30.0, 52.25], [29.47, 52.47], [29.25, 53.0], [29.35, 53.25], [29.32, 53.32], [28.97, 53.47], [28.75, 54.0], [28.85, 54.25], [28.75, 54.5], [28.97, 55.03]]]]}, "2022-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.97, 55.03], [29.32, 55.18], [29.47, 55.53], [30.0, 55.75], [30.53, 55.53], [30.68, 55.18], [31.03, 55.03], [31.25, 54.5], [31.03, 53.97], [30.68, 53.82], [30.65, 53.75], [30.68, 53.68], [30.75, 53.65], [31.0, 53.75], [31.25, 53.65], [31.5, 53.75], [31.75, 53.65], [32.0, 53.75], [32.25, 53.65], [32.5, 53.75], [32.75, 53.65], [33.0, 53.75], [33.25, 53.65], [33.5, 53.75], [33.75, 53.65], [34.0, 53.75], [34.53, 53.53], [34.75, 53.0], [34.65, 52.75], [34.68, 52.68], [34.75, 52.65], [35.0, 52.75], [35.53, 52.53], [35.68, 52.18], [36.03, 52.03], [36.18, 51.68], [36.53, 51.53], [36.75, 51.0], [36.53, 50.47], [36.0, 50.25], [35.47, 50.47], [35.32, 50.82], [35.25, 50.85], [35.0, 50.75], [34.75, 50.85], [34.5, 50.75], [34.25, 50.85], [34.0, 50.75], [33.75, 50.85], [33.5, 50.75], [33.25, 50.85], [33.0, 50.75], [32.47, 50.97], [32.32, 51.32], [32.25, 51.35], [32.0, 51.25], [31.75, 51.35], [31.5, 51.25], [30.97, 51.47], [30.82, 51.82], [30.47, 51.97], [30.32, 52.32], [30.25, 52.35], [30.0, 52.25], [29.47, 52.47], [29.25, 53.0], [29.35, 53.25], [29.32, 53.32], [28.97, 53.47], [28.75, 54.0], [28.85, 54.25], [28.75, 54.5], [28.97, 55.03]]]]}, "2022-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.75, 51.5], [34.97, 52.03], [35.5, 52.25], [36.03, 52.03], [36.18, 51.68], [36.53, 51.53], [36.75, 51.0], [36.53, 50.47], [36.0, 50.25], [35.47, 50.47], [35.32, 50.82], [34.97, 50.97], [34.75, 51.5]]]]}, "2022-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.0, 51.75], [36.53, 51.53], [36.75, 51.0], [36.53, 50.47], [36.0, 50.25], [35.47, 50.47], [35.25, 51.0], [35.47, 51.53], [36.0, 51.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.309131759570278}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.872485228420174}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [6.486714699601066, 7.02294676928733, 7.188375430908707, 6.831629086999442, 7.056371598444116]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [7.278574646482639, 7.598053251106819, 8.343879545364302, 6.9310914037404245, 7.056371598444116]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.588561011068865, 6.030125197134219, 6.014651381801768, 5.625617575855699, 5.352499687275667]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.413880947787618, 7.0593416358503305, 7.309131759570278, 5.659031933725089, 5.352499687275667]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4035358131466484, 1.5072345062366599, 1.4843431259879523, 1.3437062102782111, 1.3158787155387226]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5883819767342677, 1.684538765454649, 1.7156800536435184, 1.3733214385393913, 1.3158787155387226]}}