{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:05.868034", "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": "2021-Oct-12_to_2021-Oct-14_145.0_50.5"}, "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": 2021100001838}, "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 12 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 14 2021"}, "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": 98693.21845622754}, "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": ["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": 50.5}, "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": 145.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "145.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 143.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 149.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 49.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 52.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[142.97, 51.53], [143.32, 51.68], [143.47, 52.03], [143.82, 52.18], [143.97, 52.53], [144.5, 52.75], [144.75, 52.65], [145.0, 52.75], [145.25, 52.65], [145.32, 52.68], [145.47, 53.03], [146.0, 53.25], [146.25, 53.15], [146.5, 53.25], [146.75, 53.15], [147.0, 53.25], [147.25, 53.15], [147.5, 53.25], [147.75, 53.15], [148.0, 53.25], [148.25, 53.15], [148.5, 53.25], [148.75, 53.15], [149.0, 53.25], [149.53, 53.03], [149.75, 52.5], [149.65, 52.25], [149.75, 52.0], [149.53, 51.47], [149.18, 51.32], [149.03, 50.97], [148.5, 50.75], [148.25, 50.85], [148.18, 50.82], [148.03, 50.47], [147.68, 50.32], [147.53, 49.97], [147.18, 49.82], [147.03, 49.47], [146.5, 49.25], [146.25, 49.35], [146.0, 49.25], [145.75, 49.35], [145.68, 49.32], [145.53, 48.97], [145.18, 48.82], [145.03, 48.47], [144.5, 48.25], [143.97, 48.47], [143.75, 49.0], [143.85, 49.25], [143.75, 49.5], [143.85, 49.75], [143.82, 49.82], [143.47, 49.97], [143.32, 50.32], [142.97, 50.47], [142.75, 51.0], [142.97, 51.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Russian-Far-East"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.97, 50.47], [142.75, 51.0], [142.97, 51.53], [143.32, 51.68], [143.47, 52.03], [143.82, 52.18], [143.97, 52.53], [144.5, 52.75], [144.75, 52.65], [145.0, 52.75], [145.25, 52.65], [145.32, 52.68], [145.47, 53.03], [146.0, 53.25], [146.25, 53.15], [146.5, 53.25], [146.75, 53.15], [147.0, 53.25], [147.25, 53.15], [147.5, 53.25], [147.75, 53.15], [148.0, 53.25], [148.25, 53.15], [148.5, 53.25], [148.75, 53.15], [149.0, 53.25], [149.53, 53.03], [149.75, 52.5], [149.65, 52.25], [149.75, 52.0], [149.53, 51.47], [149.18, 51.32], [149.03, 50.97], [148.5, 50.75], [148.25, 50.85], [148.18, 50.82], [148.03, 50.47], [147.68, 50.32], [147.53, 49.97], [147.18, 49.82], [147.03, 49.47], [146.5, 49.25], [146.25, 49.35], [146.0, 49.25], [145.75, 49.35], [145.68, 49.32], [145.53, 48.97], [145.18, 48.82], [145.03, 48.47], [144.5, 48.25], [143.97, 48.47], [143.75, 49.0], [143.85, 49.25], [143.75, 49.5], [143.85, 49.75], [143.82, 49.82], [143.47, 49.97], [143.32, 50.32], [142.97, 50.47]]]]}, "2021-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.97, 50.47], [142.75, 51.0], [142.97, 51.53], [143.32, 51.68], [143.47, 52.03], [143.82, 52.18], [143.97, 52.53], [144.5, 52.75], [144.75, 52.65], [145.0, 52.75], [145.25, 52.65], [145.32, 52.68], [145.47, 53.03], [146.0, 53.25], [146.25, 53.15], [146.5, 53.25], [146.75, 53.15], [147.0, 53.25], [147.25, 53.15], [147.5, 53.25], [147.75, 53.15], [148.0, 53.25], [148.25, 53.15], [148.5, 53.25], [148.75, 53.15], [149.0, 53.25], [149.53, 53.03], [149.75, 52.5], [149.65, 52.25], [149.75, 52.0], [149.53, 51.47], [149.18, 51.32], [149.03, 50.97], [148.5, 50.75], [148.25, 50.85], [148.18, 50.82], [148.03, 50.47], [147.68, 50.32], [147.53, 49.97], [147.18, 49.82], [147.03, 49.47], [146.5, 49.25], [146.25, 49.35], [146.0, 49.25], [145.75, 49.35], [145.68, 49.32], [145.53, 48.97], [145.18, 48.82], [145.03, 48.47], [144.5, 48.25], [143.97, 48.47], [143.75, 49.0], [143.85, 49.25], [143.75, 49.5], [143.85, 49.75], [143.82, 49.82], [143.47, 49.97], [143.32, 50.32], [142.97, 50.47]]]]}, "2021-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.97, 50.47], [142.75, 51.0], [142.97, 51.53], [143.32, 51.68], [143.47, 52.03], [143.82, 52.18], [143.97, 52.53], [144.5, 52.75], [144.75, 52.65], [145.0, 52.75], [145.25, 52.65], [145.32, 52.68], [145.47, 53.03], [146.0, 53.25], [146.25, 53.15], [146.5, 53.25], [146.75, 53.15], [147.0, 53.25], [147.25, 53.15], [147.5, 53.25], [147.75, 53.15], [148.0, 53.25], [148.25, 53.15], [148.5, 53.25], [148.75, 53.15], [149.0, 53.25], [149.53, 53.03], [149.75, 52.5], [149.65, 52.25], [149.75, 52.0], [149.53, 51.47], [149.18, 51.32], [149.03, 50.97], [148.5, 50.75], [148.25, 50.85], [148.18, 50.82], [148.03, 50.47], [147.68, 50.32], [147.53, 49.97], [147.18, 49.82], [147.03, 49.47], [146.5, 49.25], [146.25, 49.35], [146.0, 49.25], [145.75, 49.35], [145.68, 49.32], [145.53, 48.97], [145.18, 48.82], [145.03, 48.47], [144.5, 48.25], [143.97, 48.47], [143.75, 49.0], [143.85, 49.25], [143.75, 49.5], [143.85, 49.75], [143.82, 49.82], [143.47, 49.97], [143.32, 50.32], [142.97, 50.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.757278409369064}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.2297422436072005}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.292629212929398, 10.86350891968408, 10.496537403516015]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.041080452405652, 11.782505825559042, 11.324812588905559]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6941770887573764, 3.5161574416904284, 3.4788922003737963]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.507141323967005, 4.757278409369064, 3.938100052950631]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.642047780579265, 2.0755035689518344, 2.0483948811734263]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9524965413278912, 2.398847522751611, 2.323314008425146]}}