{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:26:48.603005", "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": "2021-Jul-26_to_2021-Jul-29_288.0_-54.0"}, "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": 2021070002806}, "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": "July 26 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 29 2021"}, "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": 102864.59747246704}, "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", "Chile"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.South-America", "Southern-Ocean"]}, "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 Pacific 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": -54.0}, "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": 288.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -57.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -50.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.0, -50.25], [-71.47, -50.47], [-71.25, -51.0], [-71.47, -51.53], [-72.0, -51.75], [-72.53, -51.53], [-72.75, -51.0], [-72.53, -50.47], [-72.0, -50.25]]]]}, "2021-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.25, -53.0], [-74.03, -52.47], [-73.68, -52.32], [-73.53, -51.97], [-73.18, -51.82], [-73.15, -51.75], [-73.25, -51.5], [-73.04, -51.0], [-73.25, -50.5], [-73.03, -49.97], [-72.5, -49.75], [-71.97, -49.97], [-71.82, -50.32], [-71.47, -50.47], [-71.25, -51.0], [-71.43, -51.43], [-71.0, -51.25], [-70.75, -51.35], [-70.5, -51.25], [-69.97, -51.47], [-69.75, -52.0], [-69.85, -52.25], [-69.75, -52.5], [-69.85, -52.75], [-69.82, -52.82], [-69.47, -52.97], [-69.25, -53.5], [-69.47, -54.03], [-69.82, -54.18], [-69.96, -54.5], [-69.82, -54.82], [-69.75, -54.85], [-69.5, -54.75], [-68.97, -54.97], [-68.82, -55.32], [-68.47, -55.47], [-68.25, -56.0], [-68.35, -56.25], [-68.25, -56.5], [-68.47, -57.03], [-69.0, -57.25], [-69.25, -57.15], [-69.5, -57.25], [-69.75, -57.15], [-69.82, -57.18], [-69.97, -57.53], [-70.5, -57.75], [-71.03, -57.53], [-71.18, -57.18], [-71.25, -57.15], [-71.5, -57.25], [-72.03, -57.03], [-72.18, -56.68], [-72.53, -56.53], [-72.68, -56.18], [-73.03, -56.03], [-73.18, -55.68], [-73.53, -55.53], [-73.75, -55.0], [-73.65, -54.75], [-73.75, -54.5], [-73.65, -54.25], [-73.75, -54.0], [-73.65, -53.75], [-73.68, -53.68], [-74.03, -53.53], [-74.25, -53.0]]]]}, "2021-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.25, -53.0], [-74.03, -52.47], [-73.68, -52.32], [-73.53, -51.97], [-73.18, -51.82], [-73.15, -51.75], [-73.25, -51.5], [-73.04, -51.0], [-73.25, -50.5], [-73.03, -49.97], [-72.5, -49.75], [-71.97, -49.97], [-71.82, -50.32], [-71.47, -50.47], [-71.25, -51.0], [-71.43, -51.43], [-71.0, -51.25], [-70.75, -51.35], [-70.5, -51.25], [-69.97, -51.47], [-69.75, -52.0], [-69.85, -52.25], [-69.75, -52.5], [-69.85, -52.75], [-69.82, -52.82], [-69.47, -52.97], [-69.25, -53.5], [-69.47, -54.03], [-69.82, -54.18], [-69.96, -54.5], [-69.82, -54.82], [-69.75, -54.85], [-69.5, -54.75], [-68.97, -54.97], [-68.82, -55.32], [-68.47, -55.47], [-68.25, -56.0], [-68.35, -56.25], [-68.25, -56.5], [-68.47, -57.03], [-69.0, -57.25], [-69.25, -57.15], [-69.5, -57.25], [-69.75, -57.15], [-69.82, -57.18], [-69.97, -57.53], [-70.5, -57.75], [-71.03, -57.53], [-71.18, -57.18], [-71.25, -57.15], [-71.5, -57.25], [-72.03, -57.03], [-72.18, -56.68], [-72.53, -56.53], [-72.68, -56.18], [-73.03, -56.03], [-73.18, -55.68], [-73.53, -55.53], [-73.75, -55.0], [-73.65, -54.75], [-73.75, -54.5], [-73.65, -54.25], [-73.75, -54.0], [-73.65, -53.75], [-73.68, -53.68], [-74.03, -53.53], [-74.25, -53.0]]]]}, "2021-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.25, -53.0], [-74.03, -52.47], [-73.68, -52.32], [-73.53, -51.97], [-73.18, -51.82], [-73.15, -51.75], [-73.25, -51.5], [-73.04, -51.0], [-73.25, -50.5], [-73.03, -49.97], [-72.5, -49.75], [-71.97, -49.97], [-71.75, -50.5], [-71.96, -51.0], [-71.82, -51.32], [-71.5, -51.46], [-71.0, 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entire duration", "value": 6.301484608932071}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.318154906869822}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [2.808025345973931, 5.640283187044702, 6.585267174802141, 5.72706275705076]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [2.808025345973931, 7.535053357149138, 8.048531143032335, 6.880740119808763]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.032747848764984, 3.0136292288689397, 3.9241368557366747, 2.9985549000616865]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.032747848764984, 4.324140406699257, 6.301484608932071, 4.702390680583562]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3328793493730158, 1.4631731834629793, 1.857889261920373, 1.4561282787805527]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3328793493730158, 1.9004555288872576, 2.4161178788045095, 2.0298227183027144]}}