{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:51.299149", "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": "2011-Jun-29_to_2011-Jul-02_134.0_43.5"}, "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": 2011060003063}, "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": "June 29 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 02 2011"}, "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": 140132.88584708274}, "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": ["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": []}, "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": 43.5}, "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": 130.75}, "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": 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": {"2011-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.35, 43.75], [130.25, 44.0], [130.35, 44.25], [130.25, 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{"type": "MultiPolygon", "coordinates": [[[[130.35, 43.75], [130.25, 44.0], [130.35, 44.25], [130.25, 44.5], [130.35, 44.75], [130.25, 45.0], [130.35, 45.25], [130.25, 45.5], [130.35, 45.75], [130.25, 46.0], [130.47, 46.53], [130.82, 46.68], [130.97, 47.03], [131.5, 47.25], [131.75, 47.15], [132.0, 47.25], [132.25, 47.15], [132.5, 47.25], [132.75, 47.15], [133.0, 47.25], [133.53, 47.03], [133.68, 46.68], [133.75, 46.65], [134.0, 46.75], [134.5, 46.54], [135.0, 46.75], [135.25, 46.65], [135.5, 46.75], [135.75, 46.65], [136.0, 46.75], [136.25, 46.65], [136.5, 46.75], [137.03, 46.53], [137.25, 46.0], [137.15, 45.75], [137.25, 45.5], [137.03, 44.97], [136.68, 44.82], [136.53, 44.47], [136.18, 44.32], [136.03, 43.97], [135.68, 43.82], [135.53, 43.47], [135.18, 43.32], [135.03, 42.97], [134.5, 42.75], [134.25, 42.85], [134.18, 42.82], [134.03, 42.47], [133.5, 42.25], [133.25, 42.35], [133.0, 42.25], [132.47, 42.47], [132.32, 42.82], [132.0, 42.96], [131.68, 42.82], [131.53, 42.47], [131.0, 42.25], [130.47, 42.47], [130.25, 43.0], [130.35, 43.25], [130.25, 43.5], [130.35, 43.75]]]]}, "2011-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.35, 43.75], [130.25, 44.0], [130.35, 44.25], [130.25, 44.5], [130.35, 44.75], [130.25, 45.0], [130.35, 45.25], [130.25, 45.5], [130.35, 45.75], [130.25, 46.0], [130.47, 46.53], [130.82, 46.68], [130.97, 47.03], [131.5, 47.25], [131.75, 47.15], [132.0, 47.25], [132.25, 47.15], [132.5, 47.25], [132.75, 47.15], [133.0, 47.25], [133.53, 47.03], [133.68, 46.68], [133.75, 46.65], [134.0, 46.75], [134.5, 46.54], [135.0, 46.75], [135.25, 46.65], [135.5, 46.75], [135.75, 46.65], [136.0, 46.75], [136.25, 46.65], [136.5, 46.75], [137.03, 46.53], [137.25, 46.0], [137.15, 45.75], [137.25, 45.5], [137.03, 44.97], [136.68, 44.82], [136.53, 44.47], [136.18, 44.32], [136.03, 43.97], [135.68, 43.82], [135.53, 43.47], [135.18, 43.32], [135.03, 42.97], [134.5, 42.75], [134.25, 42.85], [134.18, 42.82], [134.03, 42.47], [133.5, 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43.5], [132.35, 43.75], [132.25, 44.0], [132.35, 44.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.717336969275834}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.461747245860698}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.626189377967194, 23.599629631120422, 23.60867836476791, 21.48948029800465]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.7072680758302, 27.333305339378455, 26.345506904620663, 23.342424081859008]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.9961593425972355, 4.964813793289176, 4.843150840826073, 3.2671299576357242]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.717336969275834, 6.559892049097925, 6.006257489910752, 3.810850045802397]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4793810688838953, 1.8948830277832207, 1.9590923567990741, 1.38368436023664]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1976628114481502, 2.377287606756819, 2.337686852754273, 1.5664120456368753]}}