{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:56:18.497799", "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-Nov-12_to_2023-Nov-14_44.0_54.0"}, "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": 2023110001397}, "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": "November 12 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 14 2023"}, "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": 65195.563941958906}, "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": 54.0}, "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": 44.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "44.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 44.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 54.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 57.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[40.5, 56.25], [40.75, 56.15], [40.82, 56.18], [40.97, 56.53], [41.32, 56.68], [41.47, 57.03], [42.0, 57.25], [42.25, 57.15], [42.32, 57.18], [42.47, 57.53], [43.0, 57.75], [43.53, 57.53], [43.75, 57.0], [43.65, 56.75], [43.68, 56.68], [43.75, 56.65], [44.0, 56.75], [44.53, 56.53], [44.75, 56.0], [44.65, 55.75], [44.75, 55.5], [44.65, 55.25], [44.75, 55.0], [44.65, 54.75], [44.75, 54.5], [44.65, 54.25], [44.75, 54.0], [44.53, 53.47], [44.0, 53.25], [43.75, 53.35], [43.5, 53.25], [43.25, 53.35], [43.0, 53.25], [42.75, 53.35], [42.5, 53.25], [41.97, 53.47], [41.82, 53.82], [41.75, 53.85], [41.5, 53.75], [41.25, 53.85], [41.0, 53.75], [40.47, 53.97], [40.32, 54.32], [39.97, 54.47], [39.75, 55.0], [39.85, 55.25], [39.75, 55.5], [39.97, 56.03], [40.5, 56.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["West&Central-Europe", "E.Europe"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.75, 55.5], [39.97, 56.03], [40.5, 56.25], [40.75, 56.15], [40.82, 56.18], [40.97, 56.53], [41.32, 56.68], [41.47, 57.03], [42.0, 57.25], [42.25, 57.15], [42.32, 57.18], [42.47, 57.53], [43.0, 57.75], [43.53, 57.53], [43.75, 57.0], [43.65, 56.75], [43.68, 56.68], [43.75, 56.65], [44.0, 56.75], [44.53, 56.53], [44.75, 56.0], [44.65, 55.75], [44.75, 55.5], [44.65, 55.25], [44.75, 55.0], [44.65, 54.75], [44.75, 54.5], [44.65, 54.25], [44.75, 54.0], [44.53, 53.47], [44.0, 53.25], [43.75, 53.35], [43.5, 53.25], [43.25, 53.35], [43.0, 53.25], [42.75, 53.35], [42.5, 53.25], [41.97, 53.47], [41.82, 53.82], [41.75, 53.85], [41.5, 53.75], [41.25, 53.85], [41.0, 53.75], [40.47, 53.97], [40.32, 54.32], [39.97, 54.47], [39.75, 55.0], [39.85, 55.25], [39.75, 55.5]]]]}, "2023-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.75, 55.5], [39.97, 56.03], [40.5, 56.25], [40.75, 56.15], [40.82, 56.18], [40.97, 56.53], [41.32, 56.68], [41.47, 57.03], [42.0, 57.25], [42.25, 57.15], [42.32, 57.18], [42.47, 57.53], [43.0, 57.75], [43.53, 57.53], [43.75, 57.0], [43.65, 56.75], [43.68, 56.68], [43.75, 56.65], [44.0, 56.75], [44.53, 56.53], [44.75, 56.0], [44.65, 55.75], [44.75, 55.5], [44.65, 55.25], [44.75, 55.0], [44.65, 54.75], [44.75, 54.5], [44.65, 54.25], [44.75, 54.0], [44.53, 53.47], [44.0, 53.25], [43.75, 53.35], [43.5, 53.25], [43.25, 53.35], [43.0, 53.25], [42.75, 53.35], [42.5, 53.25], [41.97, 53.47], [41.82, 53.82], [41.75, 53.85], [41.5, 53.75], [41.25, 53.85], [41.0, 53.75], [40.47, 53.97], [40.32, 54.32], [39.97, 54.47], [39.75, 55.0], [39.85, 55.25], [39.75, 55.5]]]]}, "2023-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.75, 55.5], [39.97, 56.03], [40.5, 56.25], [40.75, 56.15], [40.82, 56.18], [40.97, 56.53], [41.32, 56.68], [41.47, 57.03], [42.0, 57.25], [42.25, 57.15], [42.32, 57.18], [42.47, 57.53], [43.0, 57.75], [43.53, 57.53], [43.75, 57.0], [43.65, 56.75], [43.68, 56.68], [43.75, 56.65], [44.0, 56.75], [44.53, 56.53], [44.75, 56.0], [44.65, 55.75], [44.75, 55.5], [44.65, 55.25], [44.75, 55.0], [44.65, 54.75], [44.75, 54.5], [44.65, 54.25], [44.75, 54.0], [44.53, 53.47], [44.0, 53.25], [43.75, 53.35], [43.5, 53.25], [43.25, 53.35], [43.0, 53.25], [42.75, 53.35], [42.5, 53.25], [41.97, 53.47], [41.82, 53.82], [41.75, 53.85], [41.5, 53.75], [41.25, 53.85], [41.0, 53.75], [40.47, 53.97], [40.32, 54.32], [39.97, 54.47], [39.75, 55.0], [39.85, 55.25], [39.75, 55.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.040502383970875}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.080358776906315}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.872393600397402, 5.638338853399716, 4.098174639098374]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.1206938717159005, 6.742472839440893, 4.529825095394415]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.775974394482867, 6.882338234206958, 5.582763702029129]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.360458828007211, 8.040502383970875, 6.486219178280749]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1800709574874495, 1.3978774160710712, 1.1411183226780481]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3336022618001386, 1.6127872350095827, 1.2726335636580408]}}