{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:12:31.718538", "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": "2018-Apr-14_to_2018-Apr-16_292.0_-47.0"}, "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": 2018040001954}, "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": "April 14 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 16 2018"}, "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": 62285.21441765189}, "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": -47.0}, "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": 292.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "292.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 289.75}, "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": -49.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -46.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.53, -48.53], [-70.75, -48.0], [-70.53, -47.47], [-70.0, -47.25], [-69.75, -47.35], [-69.68, -47.32], [-69.62, -47.2], [-70.03, -47.03], [-70.25, -46.5], [-70.03, -45.97], [-69.5, -45.75], [-69.25, -45.85], [-69.0, -45.75], [-68.75, -45.85], [-68.5, -45.75], [-68.25, -45.85], [-68.0, -45.75], [-67.47, -45.97], [-67.25, -46.5], [-67.35, -46.75], [-67.32, -46.82], [-67.25, -46.85], [-67.0, -46.75], [-66.75, -46.85], [-66.5, -46.75], [-66.25, -46.85], [-66.0, -46.75], [-65.47, -46.97], [-65.25, -47.5], [-65.35, -47.75], [-65.25, -48.0], [-65.35, -48.25], [-65.32, -48.32], [-64.97, -48.47], [-64.75, -49.0], [-64.97, -49.53], [-65.5, -49.75], [-65.75, -49.65], [-66.0, -49.75], [-66.25, -49.65], [-66.5, -49.75], [-67.03, -49.53], [-67.18, -49.18], [-67.25, -49.15], [-67.5, -49.25], [-67.75, -49.15], [-68.0, -49.25], [-68.53, -49.03], [-68.68, -48.68], [-68.75, -48.65], [-69.0, -48.75], [-69.25, -48.65], [-69.5, -48.75], [-69.75, -48.65], [-70.0, -48.75], [-70.53, -48.53]]]]}, "2018-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": 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"2018-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.53, -48.53], [-70.75, -48.0], [-70.53, -47.47], [-70.0, -47.25], [-69.75, -47.35], [-69.68, -47.32], [-69.62, -47.2], [-70.03, -47.03], [-70.25, -46.5], [-70.03, -45.97], [-69.5, -45.75], [-69.25, -45.85], [-69.0, -45.75], [-68.75, -45.85], [-68.5, -45.75], [-68.25, -45.85], [-68.0, -45.75], [-67.47, -45.97], [-67.25, -46.5], [-67.35, -46.75], [-67.32, -46.82], [-67.25, -46.85], [-67.0, -46.75], [-66.75, -46.85], [-66.5, -46.75], [-66.25, -46.85], [-66.0, -46.75], [-65.47, -46.97], [-65.25, -47.5], [-65.35, -47.75], [-65.25, -48.0], [-65.35, -48.25], [-65.32, -48.32], [-64.97, -48.47], [-64.75, -49.0], [-64.97, -49.53], [-65.5, -49.75], [-65.75, -49.65], [-66.0, -49.75], [-66.25, -49.65], [-66.5, -49.75], [-67.03, -49.53], [-67.18, -49.18], [-67.25, -49.15], [-67.5, -49.25], [-67.75, -49.15], [-68.0, -49.25], [-68.53, -49.03], [-68.68, -48.68], [-68.75, -48.65], [-69.0, -48.75], [-69.25, -48.65], [-69.5, 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t2m anomalies.", "value": [5.5233161047602835, 8.16054177870285, 6.927475199334538]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4368301063698252, 2.231414787823113, 1.8145071285979868]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6765387072592766, 2.5128540451001706, 2.128591481679524]}}