{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:06.717386", "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": "2017-May-17_to_2017-May-19_134.0_46.5"}, "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": 2017050002196}, "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 17 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 19 2017"}, "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": 90494.84305767529}, "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": ["China", "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": []}, "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": 46.5}, "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": 134.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "134.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 131.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 136.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 44.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 49.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.97, 47.53], [131.5, 47.75], [131.75, 47.65], [131.82, 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{"type": "MultiPolygon", "coordinates": [[[[130.97, 47.53], [131.5, 47.75], [131.75, 47.65], [131.82, 47.68], [131.97, 48.03], [132.5, 48.25], [132.75, 48.15], [133.0, 48.25], [133.25, 48.15], [133.32, 48.18], [133.47, 48.53], [134.0, 48.75], [134.25, 48.65], [134.32, 48.68], [134.47, 49.03], [134.82, 49.18], [134.97, 49.53], [135.5, 49.75], [135.75, 49.65], [136.0, 49.75], [136.25, 49.65], [136.5, 49.75], [137.03, 49.53], [137.25, 49.0], [137.15, 48.75], [137.25, 48.5], [137.03, 47.97], [136.68, 47.82], [136.53, 47.47], [136.18, 47.32], [136.03, 46.97], [135.5, 46.75], [135.25, 46.85], [135.18, 46.82], [135.15, 46.75], [135.25, 46.5], [135.15, 46.25], [135.25, 46.0], [135.03, 45.47], [134.5, 45.25], [134.25, 45.35], [134.18, 45.32], [134.03, 44.97], [133.68, 44.82], [133.53, 44.47], [133.0, 44.25], [132.5, 44.46], [132.0, 44.25], [131.47, 44.47], [131.25, 45.0], [131.47, 45.53], [131.82, 45.68], [131.85, 45.75], [131.82, 45.82], [131.75, 45.85], [131.5, 45.75], [130.97, 45.97], [130.75, 46.5], [130.85, 46.75], [130.75, 47.0], [130.97, 47.53]]]]}, "2017-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.97, 47.53], [131.5, 47.75], [131.75, 47.65], [131.82, 47.68], [131.97, 48.03], [132.5, 48.25], [132.75, 48.15], [133.0, 48.25], [133.25, 48.15], [133.32, 48.18], [133.47, 48.53], [134.0, 48.75], [134.25, 48.65], [134.32, 48.68], [134.47, 49.03], [134.82, 49.18], [134.97, 49.53], [135.5, 49.75], [135.75, 49.65], [136.0, 49.75], [136.25, 49.65], [136.5, 49.75], [137.03, 49.53], [137.25, 49.0], [137.15, 48.75], [137.25, 48.5], [137.03, 47.97], [136.68, 47.82], [136.53, 47.47], [136.18, 47.32], [136.03, 46.97], [135.5, 46.75], [135.25, 46.85], [135.18, 46.82], [135.15, 46.75], [135.25, 46.5], [135.15, 46.25], [135.25, 46.0], [135.03, 45.47], [134.5, 45.25], [134.25, 45.35], [134.18, 45.32], [134.03, 44.97], [133.68, 44.82], [133.53, 44.47], [133.0, 44.25], [132.5, 44.46], [132.0, 44.25], [131.47, 44.47], [131.25, 45.0], [131.47, 45.53], 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"anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.09452464124422, 9.835338515458034, 7.401995422547145]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5407196004419963, 2.0855608337570786, 1.8520382469758467]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7443708923454109, 2.5458246019917867, 2.6907325854133086]}}