{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:36:37.622896", "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-Sep-29_to_2023-Oct-01_42.0_55.5"}, "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": 2023090002067}, "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 29 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 01 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": 75600.51235238828}, "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": 55.5}, "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": 42.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "42.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 38.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 43.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 52.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 56.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.0, 54.75], [39.25, 54.65], [39.32, 54.68], [39.47, 55.03], 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55.53], [40.82, 55.68], [40.85, 55.75], [40.75, 56.0], [40.97, 56.53], [41.32, 56.68], [41.47, 57.03], [42.0, 57.25], [42.53, 57.03], [42.68, 56.68], [43.03, 56.53], [43.18, 56.18], [43.53, 56.03], [43.75, 55.5], [43.65, 55.25], [43.75, 55.0], [43.65, 54.75], [43.68, 54.68], [44.03, 54.53], [44.25, 54.0], [44.15, 53.75], [44.25, 53.5], [44.03, 52.97], [43.5, 52.75], [43.25, 52.85], [43.18, 52.82], [43.03, 52.47], [42.5, 52.25], [41.97, 52.47], [41.82, 52.82], [41.75, 52.85], [41.5, 52.75], [41.25, 52.85], [41.0, 52.75], [40.5, 52.96], [40.18, 52.82], [40.03, 52.47], [39.5, 52.25], [38.97, 52.47], [38.82, 52.82], [38.75, 52.85], [38.5, 52.75], [37.97, 52.97], [37.75, 53.5], [37.97, 54.03], [38.32, 54.18], [38.47, 54.53], [39.0, 54.75]]]]}, "2023-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.0, 54.75], [39.25, 54.65], [39.32, 54.68], [39.47, 55.03], [40.0, 55.25], [40.25, 55.15], [40.32, 55.18], [40.47, 55.53], [40.82, 55.68], [40.85, 55.75], [40.75, 56.0], 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"Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.771328113239406, 15.341464013690882, 15.04234298399274]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [15.32739995879848, 15.948478947959984, 16.67372064391418]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.342924833711904, 6.121602102157766, 6.026040040167857]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.279900553754658, 6.8741931026472685, 7.374543888880851]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3798310413608537, 1.571538755828305, 1.5346458733489616]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6221139831229994, 1.7738694285326697, 1.8509126728881835]}}