{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:47.058008", "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-Sep-28_to_2010-Sep-30_45.0_46.5"}, "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": 2010090002717}, "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": "September 28 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 30 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": 59568.47530730098}, "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"]}, "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": 46.5}, "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": 45.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "45.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 43.25}, "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": 44.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 48.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.97, 46.03], [43.32, 46.18], [43.47, 46.53], [43.82, 46.68], [43.85, 46.75], [43.75, 47.0], [43.97, 47.53], [44.32, 47.68], [44.47, 48.03], [44.82, 48.18], [44.97, 48.53], [45.5, 48.75], [45.75, 48.65], [45.82, 48.68], [45.97, 49.03], [46.5, 49.25], [47.03, 49.03], [47.25, 48.5], [47.15, 48.25], [47.25, 48.0], [47.03, 47.47], [46.68, 47.32], [46.65, 47.25], [46.75, 47.0], [46.65, 46.75], [46.68, 46.68], [47.03, 46.53], [47.18, 46.18], [47.53, 46.03], [47.75, 45.5], [47.53, 44.97], [47.18, 44.82], [47.03, 44.47], [46.5, 44.25], [46.0, 44.46], [45.5, 44.25], [44.97, 44.47], [44.75, 45.0], [44.88, 45.3], [44.75, 45.35], [44.68, 45.32], [44.53, 44.97], [44.18, 44.82], [44.03, 44.47], [43.5, 44.25], [42.97, 44.47], [42.75, 45.0], [42.85, 45.25], [42.75, 45.5], [42.97, 46.03]]]]}, "2010-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.97, 46.03], [43.32, 46.18], [43.47, 46.53], [43.82, 46.68], [43.85, 46.75], [43.75, 47.0], [43.97, 47.53], [44.32, 47.68], [44.47, 48.03], [44.82, 48.18], [44.97, 48.53], [45.5, 48.75], [45.75, 48.65], [45.82, 48.68], [45.97, 49.03], [46.5, 49.25], [47.03, 49.03], [47.25, 48.5], [47.15, 48.25], [47.25, 48.0], [47.03, 47.47], [46.68, 47.32], [46.65, 47.25], [46.75, 47.0], [46.65, 46.75], [46.68, 46.68], [47.03, 46.53], [47.18, 46.18], [47.53, 46.03], [47.75, 45.5], [47.53, 44.97], [47.18, 44.82], [47.03, 44.47], [46.5, 44.25], [46.0, 44.46], [45.5, 44.25], [44.97, 44.47], [44.75, 45.0], [44.88, 45.3], [44.75, 45.35], [44.68, 45.32], [44.53, 44.97], [44.18, 44.82], [44.03, 44.47], [43.5, 44.25], [42.97, 44.47], [42.75, 45.0], [42.85, 45.25], [42.75, 45.5], [42.97, 46.03]]]]}, "2010-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.97, 46.03], [43.32, 46.18], [43.47, 46.53], [43.82, 46.68], [43.85, 46.75], [43.75, 47.0], [43.97, 47.53], [44.32, 47.68], [44.47, 48.03], [44.82, 48.18], [44.97, 48.53], [45.5, 48.75], [45.75, 48.65], [45.82, 48.68], [45.97, 49.03], [46.5, 49.25], [47.03, 49.03], [47.25, 48.5], [47.15, 48.25], [47.25, 48.0], [47.03, 47.47], [46.68, 47.32], [46.65, 47.25], [46.75, 47.0], [46.65, 46.75], [46.68, 46.68], [47.03, 46.53], [47.18, 46.18], [47.53, 46.03], [47.75, 45.5], [47.53, 44.97], [47.18, 44.82], [47.03, 44.47], [46.5, 44.25], [46.0, 44.46], [45.5, 44.25], [44.97, 44.47], [44.75, 45.0], [44.88, 45.3], [44.75, 45.35], [44.68, 45.32], [44.53, 44.97], [44.18, 44.82], [44.03, 44.47], [43.5, 44.25], [42.97, 44.47], [42.75, 45.0], [42.85, 45.25], [42.75, 45.5], [42.97, 46.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.395495052657395}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.863565739415009}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.583870096151315, 21.301613701863516, 20.36419295426134]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.198809737603938, 22.15731602625209, 21.729519701087725]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.47526254381137, 6.443515995624525, 5.6719186788091305]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.22186879125951, 7.395495052657395, 6.193892922298232]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3883278185467975, 1.6020996351877737, 1.4026538853916306]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5163428626267383, 1.8111872015416277, 1.5658550810361684]}}