{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:03.304935", "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": "2015-May-10_to_2015-May-12_145.5_45.5"}, "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": 2015050001774}, "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": "May 10 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 12 2015"}, "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": 53523.726203735525}, "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": 45.5}, "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": 145.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "145.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 142.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 146.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 45.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 47.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.47, 47.03], [143.0, 47.25], [143.25, 47.15], [143.5, 47.25], [143.75, 47.15], [143.82, 47.18], [143.97, 47.53], [144.5, 47.75], [144.75, 47.65], [145.0, 47.75], [145.25, 47.65], [145.5, 47.75], [146.03, 47.53], [146.18, 47.18], [146.25, 47.15], [146.5, 47.25], [147.03, 47.03], [147.25, 46.5], [147.15, 46.25], [147.25, 46.0], [147.15, 45.75], [147.25, 45.5], [147.03, 44.97], [146.5, 44.75], [146.25, 44.85], [146.0, 44.75], [145.75, 44.85], [145.5, 44.75], [145.25, 44.85], [145.0, 44.75], [144.75, 44.85], [144.5, 44.75], [144.25, 44.85], [144.0, 44.75], [143.47, 44.97], [143.32, 45.32], [143.25, 45.35], [143.0, 45.25], [142.47, 45.47], [142.25, 46.0], [142.35, 46.25], [142.25, 46.5], [142.47, 47.03]]]]}, "2015-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.47, 47.03], [143.0, 47.25], [143.25, 47.15], [143.5, 47.25], [143.75, 47.15], [143.82, 47.18], [143.97, 47.53], [144.5, 47.75], [144.75, 47.65], [145.0, 47.75], [145.25, 47.65], [145.5, 47.75], [146.03, 47.53], [146.18, 47.18], [146.25, 47.15], [146.5, 47.25], [147.03, 47.03], [147.25, 46.5], [147.15, 46.25], [147.25, 46.0], [147.15, 45.75], [147.25, 45.5], [147.03, 44.97], [146.5, 44.75], [146.25, 44.85], [146.0, 44.75], [145.75, 44.85], [145.5, 44.75], [145.25, 44.85], [145.0, 44.75], [144.75, 44.85], [144.5, 44.75], [144.25, 44.85], [144.0, 44.75], [143.47, 44.97], [143.32, 45.32], [143.25, 45.35], [143.0, 45.25], [142.47, 45.47], [142.25, 46.0], [142.35, 46.25], [142.25, 46.5], [142.47, 47.03]]]]}, "2015-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.47, 47.03], [143.0, 47.25], [143.25, 47.15], [143.5, 47.25], [143.75, 47.15], [143.82, 47.18], [143.97, 47.53], [144.5, 47.75], [144.75, 47.65], [145.0, 47.75], [145.25, 47.65], [145.5, 47.75], [146.03, 47.53], [146.18, 47.18], [146.25, 47.15], [146.5, 47.25], [147.03, 47.03], [147.25, 46.5], [147.15, 46.25], [147.25, 46.0], [147.15, 45.75], [147.25, 45.5], [147.03, 44.97], [146.5, 44.75], [146.25, 44.85], [146.0, 44.75], [145.75, 44.85], [145.5, 44.75], [145.25, 44.85], [145.0, 44.75], [144.75, 44.85], [144.5, 44.75], [144.25, 44.85], [144.0, 44.75], [143.47, 44.97], [143.32, 45.32], [143.25, 45.35], [143.0, 45.25], [142.47, 45.47], [142.25, 46.0], [142.35, 46.25], [142.25, 46.5], [142.47, 47.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.760289003477453}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.394689577010443}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [5.0541941888404835, 5.3846540453380385, 5.303733567132383]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.784436632467987, 7.110250214958683, 6.668758450633618]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.263325764034296, 2.5700248449324636, 2.35071812206457]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.295641544185628, 3.760289003477453, 2.9712685170541704]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6795247822911916, 1.9197714461751303, 1.7535798072033766]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.088003541335821, 2.408226951663575, 2.0672876670189453]}}