{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:30.328265", "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": "2012-Jan-22_to_2012-Jan-24_142.0_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": 2012010002520}, "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": "January 22 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 24 2012"}, "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": 97282.27426209045}, "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": ["Russian-Far-East"]}, "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": ["Sea of Okhotsk"]}, "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": 142.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "142.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 141.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 147.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 50.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 53.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.25, 53.0], [141.47, 53.53], [142.0, 53.75], [142.25, 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53.53], [142.0, 53.75], [142.25, 53.65], [142.5, 53.75], [142.75, 53.65], [143.0, 53.75], [143.25, 53.65], [143.5, 53.75], [143.75, 53.65], [144.0, 53.75], [144.5, 53.54], [145.0, 53.75], [145.25, 53.65], [145.5, 53.75], [146.03, 53.53], [146.18, 53.18], [146.25, 53.15], [146.5, 53.25], [147.03, 53.03], [147.18, 52.68], [147.53, 52.53], [147.68, 52.18], [148.03, 52.03], [148.25, 51.5], [148.03, 50.97], [147.68, 50.82], [147.53, 50.47], [147.0, 50.25], [146.75, 50.35], [146.5, 50.25], [146.25, 50.35], [146.18, 50.32], [146.03, 49.97], [145.5, 49.75], [144.97, 49.97], [144.82, 50.32], [144.75, 50.35], [144.5, 50.25], [144.25, 50.35], [144.18, 50.32], [144.03, 49.97], [143.5, 49.75], [142.97, 49.97], [142.82, 50.32], [142.47, 50.47], [142.32, 50.82], [141.97, 50.97], [141.82, 51.32], [141.75, 51.35], [141.5, 51.25], [140.97, 51.47], [140.75, 52.0], [140.97, 52.53], [141.32, 52.68], [141.35, 52.75], [141.25, 53.0]]]]}, "2012-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.25, 53.0], [141.47, 53.53], [142.0, 53.75], [142.25, 53.65], [142.5, 53.75], [142.75, 53.65], [143.0, 53.75], [143.25, 53.65], [143.5, 53.75], [143.75, 53.65], [144.0, 53.75], [144.5, 53.54], [145.0, 53.75], [145.25, 53.65], [145.5, 53.75], [146.03, 53.53], [146.18, 53.18], [146.25, 53.15], [146.5, 53.25], [147.03, 53.03], [147.18, 52.68], [147.53, 52.53], [147.68, 52.18], [148.03, 52.03], [148.25, 51.5], [148.03, 50.97], [147.68, 50.82], [147.53, 50.47], [147.0, 50.25], [146.75, 50.35], [146.5, 50.25], [146.25, 50.35], [146.18, 50.32], [146.03, 49.97], [145.5, 49.75], [144.97, 49.97], [144.82, 50.32], [144.75, 50.35], [144.5, 50.25], [144.25, 50.35], [144.18, 50.32], [144.03, 49.97], [143.5, 49.75], [142.97, 49.97], [142.82, 50.32], [142.47, 50.47], [142.32, 50.82], [141.97, 50.97], [141.82, 51.32], [141.75, 51.35], [141.5, 51.25], [140.97, 51.47], [140.75, 52.0], [140.97, 52.53], [141.32, 52.68], [141.35, 52.75], [141.25, 53.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 15.895696482587368}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 9.963731216629752}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-5.5235761855942656, -2.811925294896355, -3.2272376728813015]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-1.0946722838046412, -0.9362479119223508, -0.8256245726012139]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.389259211553446, 11.067939041910993, 10.433995396424832]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.676601613055595, 15.53435063437746, 15.895696482587368]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.672260941685401, 2.1572949556436196, 1.9577213995550733]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8842791893928572, 2.9028778489318605, 2.7937472636423513]}}