{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:34.212197", "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": "2019-Sep-10_to_2019-Sep-13_138.0_60.0"}, "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": 2019090001736}, "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": "September 10 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 13 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 72770.9771592848}, "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": []}, "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": 60.0}, "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": 138.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "138.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 135.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 139.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 56.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 61.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-09-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.5, 57.75], [139.03, 57.53], [139.25, 57.0], [139.03, 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57.0], [136.88, 57.3], [136.75, 57.35], [136.5, 57.25], [136.25, 57.35], [136.0, 57.25], [135.75, 57.35], [135.5, 57.25], [134.97, 57.47], [134.75, 58.0], [134.97, 58.53], [135.32, 58.68], [135.35, 58.75], [135.32, 58.82], [134.97, 58.97], [134.75, 59.5], [134.85, 59.75], [134.75, 60.0], [134.85, 60.25]]]]}, "2019-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.85, 60.25], [134.75, 60.5], [134.97, 61.03], [135.5, 61.25], [135.75, 61.15], [135.82, 61.18], [135.97, 61.53], [136.32, 61.68], [136.47, 62.03], [137.0, 62.25], [137.25, 62.15], [137.5, 62.25], [137.75, 62.15], [138.0, 62.25], [138.25, 62.15], [138.5, 62.25], [139.03, 62.03], [139.25, 61.5], [139.03, 60.97], [138.68, 60.82], [138.63, 60.7], [139.03, 60.53], [139.18, 60.18], [139.53, 60.03], [139.75, 59.5], [139.53, 58.97], [139.0, 58.75], [138.7, 58.88], [138.54, 58.5], [138.68, 58.18], [138.75, 58.15], [139.0, 58.25], [139.53, 58.03], [139.75, 57.5], [139.53, 56.97], [139.18, 56.82], [139.03, 56.47], 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"Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3952178236002202, 1.7252683745165425, 2.518460837522649, 2.548798023741885]}}