{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:05.054381", "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": "2024-Mar-16_to_2024-Mar-19_33.0_53.0"}, "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": 2024030001548}, "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 16 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 19 2024"}, "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": 54926.082481847596}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe", "Europe", "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": 53.0}, "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": 33.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "33.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 32.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 36.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 50.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 53.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[36.5, 51.75], [37.03, 51.53], [37.25, 51.0], [37.15, 50.75], [37.25, 50.5], [37.03, 49.97], [36.5, 49.75], [36.25, 49.85], 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boundary of the event at each time step", "value": {"2024-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.25, 53.0], [31.35, 53.25], [31.25, 53.5], [31.47, 54.03], [32.0, 54.25], [32.25, 54.15], [32.5, 54.25], [32.75, 54.15], [33.0, 54.25], [33.25, 54.15], [33.5, 54.25], [33.75, 54.15], [34.0, 54.25], [34.53, 54.03], [34.75, 53.5], [34.65, 53.25], [34.75, 53.0], [34.63, 52.7], [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], [34.18, 50.82], [34.03, 50.47], [33.5, 50.25], [32.97, 50.47], [32.75, 51.0], [32.85, 51.25], [32.82, 51.32], [32.47, 51.47], [32.32, 51.82], [32.25, 51.85], [32.0, 51.75], [31.47, 51.97], [31.25, 52.5], [31.35, 52.75], [31.25, 53.0]]]]}, "2024-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.25, 53.0], [31.35, 53.25], [31.25, 53.5], [31.47, 54.03], [32.0, 54.25], 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6.189855923733791, 5.18249668320172]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.120416112665396, 6.8411561894695865, 7.09615701338214, 5.506370589767357]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2751162857888074, 1.6279087230690792, 1.5627854098639735, 1.3100878235433562]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4323262698832222, 1.8760931155215304, 1.7318985823224184, 1.3719754610611752]}}