{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:01.058495", "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-Nov-26_to_2011-Nov-29_306.5_-30.5"}, "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": 2011110002630}, "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": "November 26 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 29 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": 130355.93238871422}, "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": ["Argentina", "Brazil", "Paraguay"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "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": -30.5}, "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": 306.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "306.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 301.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 307.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -31.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -26.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.53, -25.97], [-54.0, -25.75], [-53.75, -25.85], [-53.5, 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[-58.25, -28.5], [-58.12, -28.2]]]]}, "2011-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.12, -28.2], [-58.53, -28.03], [-58.75, -27.5], [-58.53, -26.97], [-58.0, -26.75], [-57.75, -26.85], [-57.5, -26.75], [-57.25, -26.85], [-57.0, -26.75], [-56.7, -26.88], [-56.53, -26.47], [-56.0, -26.25], [-55.47, -26.47], [-55.32, -26.82], [-55.25, -26.85], [-55.0, -26.75], [-54.7, -26.88], [-54.65, -26.75], [-54.75, -26.5], [-54.53, -25.97], [-54.0, -25.75], [-53.75, -25.85], [-53.5, -25.75], [-52.97, -25.97], [-52.75, -26.5], [-52.87, -26.8], [-52.47, -26.97], [-52.25, -27.5], [-52.35, -27.75], [-52.32, -27.82], [-51.97, -27.97], [-51.75, -28.5], [-51.97, -29.03], [-52.32, -29.18], [-52.47, -29.53], [-52.82, -29.68], [-52.87, -29.8], [-52.75, -29.85], [-52.5, -29.75], [-51.97, -29.97], [-51.75, -30.5], [-51.97, -31.03], [-52.5, -31.25], [-52.75, -31.15], [-52.82, -31.18], [-52.97, -31.53], [-53.5, -31.75], [-54.03, -31.53], [-54.18, -31.18], [-54.25, -31.15], [-54.5, 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entire duration", "value": 4.072566088643802}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.243789148835788, 26.485107860875416, 27.726085032292133, 28.274271604499972]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.350285324255765, 28.520985457202357, 29.326699485505458, 30.078344109595207]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.067409641171639, 3.154704336611777, 4.4384418297493005, 4.938663489405379]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.9404565905779236, 3.6727394728537774, 6.224862307925548, 7.877064859393727]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4327419481150858, 1.4048992547639403, 1.9626428296512277, 2.220425580232314]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.643102996085076, 1.5326778773839411, 2.633769907537788, 3.290245147824589]}}