{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:15.086646", "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": "2015-Jan-29_to_2015-Jan-31_290.5_-55.5"}, "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": 2015010002905}, "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": "January 29 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 31 2015"}, "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": 77497.3639747154}, "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": ["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 Atlantic Ocean", "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": -55.5}, "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": 290.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 289.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 294.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -59.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -54.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.25, -55.0], [-71.03, -54.47], [-70.5, -54.25], [-69.97, 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[-70.68, -55.68], [-71.03, -55.53], [-71.25, -55.0]]]]}, "2015-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.25, -55.0], [-71.03, -54.47], [-70.5, -54.25], [-69.97, -54.47], [-69.82, -54.82], [-69.75, -54.85], [-69.5, -54.75], [-69.25, -54.85], [-69.0, -54.75], [-68.47, -54.97], [-68.32, -55.32], [-68.25, -55.35], [-68.18, -55.32], [-68.03, -54.97], [-67.68, -54.82], [-67.53, -54.47], [-67.0, -54.25], [-66.47, -54.47], [-66.25, -55.0], [-66.46, -55.5], [-66.32, -55.82], [-66.25, -55.85], [-66.0, -55.75], [-65.75, -55.85], [-65.5, -55.75], [-64.97, -55.97], [-64.75, -56.5], [-64.85, -56.75], [-64.75, -57.0], [-64.85, -57.25], [-64.75, -57.5], [-64.97, -58.03], [-65.32, -58.18], [-65.35, -58.25], [-65.32, -58.32], [-64.97, -58.47], [-64.75, -59.0], [-64.97, -59.53], [-65.5, -59.75], [-65.75, -59.65], [-66.0, -59.75], [-66.53, -59.53], [-66.68, -59.18], [-66.75, -59.15], [-67.0, -59.25], [-67.25, -59.15], [-67.5, -59.25], [-68.03, -59.03], [-68.18, -58.68], [-68.53, -58.53], [-68.68, -58.18], [-69.03, -58.03], [-69.18, -57.68], [-69.53, -57.53], [-69.75, -57.0], [-69.65, -56.75], [-69.68, -56.68], [-70.03, -56.53], [-70.18, -56.18], [-70.53, -56.03], [-70.68, -55.68], [-71.03, -55.53], [-71.25, -55.0]]]]}, "2015-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.25, -55.0], [-71.03, -54.47], [-70.5, -54.25], [-69.97, -54.47], [-69.82, -54.82], [-69.75, -54.85], [-69.5, -54.75], [-69.25, -54.85], [-69.0, -54.75], [-68.47, -54.97], [-68.32, -55.32], [-68.25, -55.35], [-68.18, -55.32], [-68.03, -54.97], [-67.68, -54.82], [-67.53, -54.47], [-67.0, -54.25], [-66.47, -54.47], [-66.25, -55.0], [-66.46, -55.5], [-66.32, -55.82], [-66.25, -55.85], [-66.0, -55.75], [-65.75, -55.85], [-65.5, -55.75], [-64.97, -55.97], [-64.75, -56.5], [-64.85, -56.75], [-64.75, -57.0], [-64.85, -57.25], [-64.75, -57.5], [-64.97, -58.03], [-65.32, -58.18], [-65.35, -58.25], [-65.32, -58.32], [-64.97, -58.47], [-64.75, -59.0], [-64.97, -59.53], [-65.5, -59.75], [-65.75, -59.65], [-66.0, -59.75], [-66.53, -59.53], [-66.68, -59.18], [-66.75, -59.15], [-67.0, -59.25], [-67.25, -59.15], [-67.5, -59.25], [-68.03, -59.03], [-68.18, -58.68], [-68.53, -58.53], [-68.68, -58.18], [-69.03, -58.03], [-69.18, -57.68], [-69.53, -57.53], [-69.75, -57.0], [-69.65, -56.75], [-69.68, -56.68], [-70.03, -56.53], [-70.18, -56.18], [-70.53, -56.03], [-70.68, -55.68], [-71.03, -55.53], [-71.25, -55.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.389453245481377}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7763472320523825}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [8.676731057057225, 8.926197693080951, 8.476652420787957]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.842658768040565, 14.266892553135108, 11.651755660328433]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.720012372859989, 2.0063111962630273, 1.602718127034131]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8544777165068353, 5.389453245481377, 2.859347175786695]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.498125045399693, 1.7207882824849547, 1.3686498321538925]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7559817423784039, 2.62914808841158, 1.509837881235543]}}