{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:57.706324", "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": "2012-Nov-29_to_2012-Dec-01_293.0_-53.5"}, "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": 2012110002723}, "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 29 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 01 2012"}, "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": 97924.08722483445}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": ["South Atlantic Ocean"]}, "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": -53.5}, "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": 293.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 291.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 298.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -55.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -52.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.53, -52.47], [-68.0, -52.25], [-67.75, -52.35], [-67.5, 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[-67.5, -54.75], [-68.03, -54.53], [-68.18, -54.18], [-68.53, -54.03], [-68.75, -53.5], [-68.65, -53.25], [-68.75, -53.0], [-68.53, -52.47]]]]}, "2012-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.53, -52.47], [-68.0, -52.25], [-67.75, -52.35], [-67.5, -52.25], [-67.25, -52.35], [-67.18, -52.32], [-67.03, -51.97], [-66.5, -51.75], [-66.25, -51.85], [-66.0, -51.75], [-65.75, -51.85], [-65.5, -51.75], [-65.25, -51.85], [-65.0, -51.75], [-64.47, -51.97], [-64.32, -52.32], [-63.97, -52.47], [-63.82, -52.82], [-63.75, -52.85], [-63.5, -52.75], [-63.25, -52.85], [-63.0, -52.75], [-62.47, -52.97], [-62.25, -53.5], [-62.35, -53.75], [-62.25, -54.0], [-62.37, -54.3], [-61.97, -54.47], [-61.82, -54.82], [-61.75, -54.85], [-61.5, -54.75], [-60.97, -54.97], [-60.75, -55.5], [-60.97, -56.03], [-61.5, -56.25], [-61.75, -56.15], [-62.0, -56.25], [-62.25, -56.15], [-62.5, -56.25], [-62.75, -56.15], [-63.0, -56.25], [-63.25, -56.15], [-63.5, -56.25], [-63.75, -56.15], [-64.0, -56.25], [-64.25, -56.15], [-64.5, -56.25], [-64.75, -56.15], [-65.0, -56.25], [-65.25, -56.15], [-65.5, -56.25], [-66.03, -56.03], [-66.25, -55.5], [-66.15, -55.25], [-66.18, -55.18], [-66.25, -55.15], [-66.5, -55.25], [-67.03, -55.03], [-67.18, -54.68], [-67.25, -54.65], [-67.5, -54.75], [-68.03, -54.53], [-68.18, -54.18], [-68.53, -54.03], [-68.75, -53.5], [-68.65, -53.25], [-68.75, -53.0], [-68.53, -52.47]]]]}, "2012-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.53, -52.47], [-68.0, -52.25], [-67.75, -52.35], [-67.5, -52.25], [-67.25, -52.35], [-67.18, -52.32], [-67.03, -51.97], [-66.5, -51.75], [-66.25, -51.85], [-66.0, -51.75], [-65.75, -51.85], [-65.5, -51.75], [-65.25, -51.85], [-65.0, -51.75], [-64.47, -51.97], [-64.32, -52.32], [-63.97, -52.47], [-63.82, -52.82], [-63.75, -52.85], [-63.5, -52.75], [-63.25, -52.85], [-63.0, -52.75], [-62.47, -52.97], [-62.25, -53.5], [-62.35, -53.75], [-62.25, -54.0], [-62.37, -54.3], [-61.97, -54.47], 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"evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.141750564655865, 9.793556568048132, 9.3128478840419]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.693230785297885, 12.160278955980914, 11.513201722222732]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9205080326403718, 2.576630831875474, 2.0506768237779784]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.7071584486313895, 3.5082121739455374, 3.1691588183624617]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.596613406864833, 2.0609077618464373, 1.6535014822510277]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.4038972857354173, 2.772407966464706, 2.186233485303944]}}