{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:44.226690", "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-Oct-13_to_2023-Oct-15_167.0_66.5"}, "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": 2023100001428}, "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": "October 13 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 15 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": 61913.64085306709}, "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": 66.5}, "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": 167.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "167.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 167.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 173.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 65.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 68.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[166.47, 67.03], [167.0, 67.25], [167.25, 67.15], [167.5, 67.25], [167.75, 67.15], [167.88, 67.2], [167.82, 67.32], 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[166.47, 67.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Russian-Arctic", "Russian-Far-East"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[166.47, 65.97], [166.25, 66.5], [166.47, 67.03], [167.0, 67.25], [167.25, 67.15], [167.5, 67.25], [167.75, 67.15], [167.88, 67.2], [167.82, 67.32], [167.47, 67.47], [167.25, 68.0], [167.47, 68.53], [168.0, 68.75], [168.25, 68.65], [168.5, 68.75], [169.03, 68.53], [169.18, 68.18], [169.25, 68.15], [169.5, 68.25], [169.75, 68.15], [170.0, 68.25], [170.25, 68.15], [170.5, 68.25], [170.75, 68.15], [171.0, 68.25], [171.25, 68.15], [171.32, 68.18], [171.47, 68.53], [171.82, 68.68], [171.97, 69.03], [172.5, 69.25], [172.75, 69.15], [173.0, 69.25], [173.53, 69.03], [173.75, 68.5], [173.65, 68.25], [173.68, 68.18], [174.03, 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"description": "Maximum t2m anomaly recorded over entire duration", "value": 9.318279331422389}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.768006203101433}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-1.7977895729582087, -2.63037899650044, -3.2810698830961087]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [0.29643231733513176, -0.9848899570902745, -1.633675281471767]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.384637186442581, 6.705100299102734, 6.214281123758992]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.318279331422389, 8.240803836713724, 6.99983928597328]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.499248161333057, 1.3816808756456511, 1.2795351753170607]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.777368619502963, 1.587328522945575, 1.4317515097437492]}}