{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:44:09.621368", "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": "2022-Oct-20_to_2022-Oct-22_147.0_44.0"}, "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": 2022100002418}, "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 20 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 22 2022"}, "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": 67905.97855661363}, "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": ["North Pacific Ocean", "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": 44.0}, "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": 147.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "147.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 143.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 149.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 43.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.97, 43.97], [142.75, 44.5], [142.97, 45.03], [143.5, 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44.5], [142.97, 45.03], [143.5, 45.25], [143.75, 45.15], [143.82, 45.18], [143.97, 45.53], [144.5, 45.75], [144.75, 45.65], [145.0, 45.75], [145.25, 45.65], [145.5, 45.75], [145.75, 45.65], [145.82, 45.68], [145.97, 46.03], [146.5, 46.25], [146.75, 46.15], [147.0, 46.25], [147.25, 46.15], [147.5, 46.25], [147.75, 46.15], [147.82, 46.18], [147.97, 46.53], [148.5, 46.75], [148.75, 46.65], [149.0, 46.75], [149.25, 46.65], [149.5, 46.75], [150.03, 46.53], [150.25, 46.0], [150.03, 45.47], [149.68, 45.32], [149.53, 44.97], [149.18, 44.82], [149.03, 44.47], [148.68, 44.32], [148.53, 43.97], [148.18, 43.82], [148.03, 43.47], [147.5, 43.25], [147.25, 43.35], [147.0, 43.25], [146.75, 43.35], [146.5, 43.25], [146.25, 43.35], [146.0, 43.25], [145.75, 43.35], [145.5, 43.25], [144.97, 43.47], [144.82, 43.82], [144.75, 43.85], [144.5, 43.75], [144.25, 43.85], [144.0, 43.75], [143.75, 43.85], [143.5, 43.75], [142.97, 43.97]]]]}, "2022-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": 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amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.7383532189298876}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7753759418197292}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.31987485572671, 12.82381048098631, 12.45934551368265]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.364336122047689, 14.413061325283707, 14.379731102723838]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.446065834830319, 3.0459008335639424, 2.834161157064927]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.9244172469260548, 3.6994176921141957, 3.7383532189298876]}, 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