{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:56:20.409826", "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-16_to_2023-Nov-21_132.5_51.5"}, "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": 2023110001581}, "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 16 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 21 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 50992.77825143872}, "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": 51.5}, "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": 132.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "132.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 131.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 136.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 49.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 52.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[130.75, 51.0], [130.97, 51.53], [131.32, 51.68], [131.35, 51.75], [131.25, 52.0], [131.47, 52.53], [132.0, 52.75], 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each time step", "value": {"2023-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.97, 49.47], [130.75, 50.0], [130.97, 50.53], [131.32, 50.68], [131.47, 51.03], [132.0, 51.25], [132.25, 51.15], [132.5, 51.25], [132.75, 51.15], [133.0, 51.25], [133.25, 51.15], [133.5, 51.25], [133.75, 51.15], [134.0, 51.25], [134.53, 51.03], [134.75, 50.5], [134.65, 50.25], [134.75, 50.0], [134.53, 49.47], [134.0, 49.25], [133.75, 49.35], [133.5, 49.25], [133.25, 49.35], [133.0, 49.25], [132.75, 49.35], [132.68, 49.32], [132.53, 48.97], [132.0, 48.75], [131.47, 48.97], [131.32, 49.32], [130.97, 49.47]]]]}, "2023-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.75, 51.0], [130.97, 51.53], [131.32, 51.68], [131.47, 52.03], [132.0, 52.25], [132.25, 52.15], [132.5, 52.25], [132.75, 52.15], [133.0, 52.25], [133.53, 52.03], [133.68, 51.68], [134.03, 51.53], [134.18, 51.18], [134.25, 51.15], [134.5, 51.25], [134.75, 51.15], [135.0, 51.25], [135.53, 51.03], 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"description": "Maximum t2m anomaly recorded over entire duration", "value": 13.626779449070256}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 10.311486244102989}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-6.331279565058651, -5.213780631837892, -6.164187539045372, -8.590837014012038, -7.253925994988947, -7.305444664042568]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-5.010289914039788, -2.3029019687054415, -3.1815755908409074, -5.653398516256232, -4.68645508597325, -4.717644645842995]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.907544301611916, 11.136756064686967, 10.39254710374788, 8.782599738248651, 10.645755038418041, 11.489294801470649]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.332409638397507, 13.128435222960604, 13.08480983170665, 10.94232364035122, 12.689069754108033, 13.626779449070256]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5213565635689328, 1.8832416991119616, 1.7838037578296506, 1.5144498020836767, 1.8218096417563223, 1.8964218519848466]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.583759907140249, 2.3277884782693046, 2.1004300060723726, 1.786936814064537, 2.111618915508341, 2.184031320642593]}}