{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:48.912002", "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": "2014-Feb-23_to_2014-Feb-27_137.5_46.0"}, "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": 2014020002217}, "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": "February 23 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 27 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 67996.08387359999}, "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": ["E.Asia", "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": ["Japan Sea"]}, "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": 46.0}, "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": 137.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "137.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 133.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 139.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 42.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.5, 46.75], [138.03, 46.53], [138.25, 46.0], [138.03, 45.47], [137.5, 45.25], [136.97, 45.47], [136.75, 46.0], [136.97, 46.53], [137.5, 46.75]]]]}, "2014-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.47, 42.97], [133.25, 43.5], [133.47, 44.03], [134.0, 44.25], [134.25, 44.15], [134.32, 44.18], [134.47, 44.53], [134.82, 44.68], [134.97, 45.03], [135.32, 45.18], [135.47, 45.53], [135.82, 45.68], [135.97, 46.03], [136.32, 46.18], [136.47, 46.53], [137.0, 46.75], [137.25, 46.65], [137.32, 46.68], [137.47, 47.03], [138.0, 47.25], [138.25, 47.15], [138.5, 47.25], [139.03, 47.03], [139.25, 46.5], [139.15, 46.25], [139.25, 46.0], [139.13, 45.7], [139.53, 45.53], [139.68, 45.18], [140.03, 45.03], [140.25, 44.5], [140.03, 43.97], [139.5, 43.75], [139.25, 43.85], [139.0, 43.75], [138.75, 43.85], [138.5, 43.75], [138.25, 43.85], [138.0, 43.75], [137.47, 43.97], [137.3, 44.38], [137.0, 44.25], [136.75, 44.35], [136.68, 44.32], [136.53, 43.97], [136.18, 43.82], [136.03, 43.47], [135.5, 43.25], [135.25, 43.35], [135.18, 43.32], [135.03, 42.97], [134.5, 42.75], [134.25, 42.85], [134.0, 42.75], [133.47, 42.97]]]]}, "2014-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.75, 43.5], [132.97, 44.03], [133.5, 44.25], [133.75, 44.15], [134.0, 44.25], [134.25, 44.15], [134.32, 44.18], [134.47, 44.53], [134.82, 44.68], [134.97, 45.03], [135.32, 45.18], [135.47, 45.53], [135.82, 45.68], [135.97, 46.03], [136.32, 46.18], [136.47, 46.53], [137.0, 46.75], [137.25, 46.65], [137.32, 46.68], [137.47, 47.03], [138.0, 47.25], [138.25, 47.15], [138.5, 47.25], [139.03, 47.03], [139.25, 46.5], [139.15, 46.25], [139.25, 46.0], [139.15, 45.75], [139.18, 45.68], [139.53, 45.53], [139.68, 45.18], [140.03, 45.03], [140.25, 44.5], [140.03, 43.97], [139.68, 43.82], [139.53, 43.47], [139.0, 43.25], [138.75, 43.35], [138.5, 43.25], [138.25, 43.35], [138.0, 43.25], [137.47, 43.47], [137.25, 44.0], [137.35, 44.25], [137.3, 44.38], [137.0, 44.25], [136.75, 44.35], [136.68, 44.32], [136.65, 44.25], [136.75, 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1.8290084034860625, 1.6838322717216516]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4807067390979467, 2.0655325426635796, 1.7260830912526977, 2.369372308999162, 2.1364420272240405]}}