{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:17:55.640940", "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-Aug-26_to_2018-Aug-28_291.0_-45.5"}, "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": 2018080002951}, "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": "August 26 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 28 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": 191483.3134365648}, "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", "S.W.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": -45.5}, "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": 291.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "291.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.75}, "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": -47.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -41.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.65, -43.25], [-71.75, -43.0], [-71.53, -42.47], [-71.18, -42.32], [-71.15, -42.25], [-71.25, -42.0], [-71.03, -41.47], [-70.68, -41.32], [-70.53, -40.97], [-70.0, -40.75], [-69.75, -40.85], [-69.5, -40.75], [-69.25, -40.85], [-69.0, -40.75], [-68.75, -40.85], [-68.5, -40.75], [-68.25, -40.85], [-68.0, -40.75], [-67.47, -40.97], [-67.25, -41.5], [-67.47, -42.03], [-68.0, -42.25], [-68.25, -42.15], [-68.37, -42.2], [-68.32, -42.32], [-67.97, -42.47], [-67.82, -42.82], [-67.75, -42.85], [-67.5, -42.75], [-67.25, -42.85], [-67.0, -42.75], [-66.75, -42.85], [-66.5, -42.75], [-66.25, -42.85], [-66.0, -42.75], [-65.75, -42.85], [-65.68, -42.82], [-65.53, -42.47], [-65.18, -42.32], [-65.03, -41.97], [-64.5, -41.75], [-63.97, -41.97], [-63.82, -42.32], [-63.75, -42.35], [-63.5, -42.25], [-62.97, -42.47], [-62.75, -43.0], [-62.87, -43.3], [-62.75, -43.35], [-62.5, -43.25], [-62.25, -43.35], [-62.0, -43.25], [-61.75, -43.35], [-61.5, -43.25], [-60.97, -43.47], [-60.75, -44.0], [-60.85, -44.25], [-60.75, -44.5], [-60.96, -45.0], [-60.75, -45.5], [-60.97, -46.03], [-61.32, -46.18], [-61.47, -46.53], [-62.0, -46.75], [-62.53, -46.53], [-62.68, -46.18], [-63.03, -46.03], [-63.18, -45.68], [-63.25, -45.65], [-63.5, -45.75], [-63.75, -45.65], [-64.0, -45.75], [-64.53, -45.53], [-64.7, -45.12], [-65.0, -45.25], [-65.25, -45.15], [-65.5, -45.25], [-65.75, -45.15], [-66.0, -45.25], [-66.25, -45.15], [-66.37, -45.2], [-66.25, -45.5], [-66.46, -46.0], [-66.25, -46.5], [-66.35, -46.75], [-66.25, -47.0], [-66.47, -47.53], [-67.0, -47.75], [-67.53, -47.53], [-67.75, -47.0], [-67.65, -46.75], [-67.68, -46.68], [-68.03, -46.53], [-68.18, -46.18], [-68.25, -46.15], [-68.5, -46.25], [-68.75, -46.15], [-69.0, -46.25], [-69.53, -46.03], [-69.75, -45.5], [-69.65, -45.25], [-69.75, -45.0], [-69.65, -44.75], [-69.68, -44.68], [-70.03, -44.53], [-70.2, -44.12], [-70.32, -44.18], [-70.47, -44.53], [-71.0, -44.75], [-71.53, -44.53], [-71.75, -44.0], [-71.65, -43.75], [-71.75, -43.5], [-71.65, -43.25]]]]}, "2018-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.65, -43.25], [-71.75, -43.0], [-71.53, -42.47], [-71.18, -42.32], [-71.15, -42.25], [-71.25, -42.0], [-71.03, -41.47], [-70.68, -41.32], [-70.53, -40.97], [-70.0, -40.75], [-69.75, -40.85], [-69.5, -40.75], [-69.25, -40.85], [-69.0, -40.75], [-68.75, -40.85], [-68.5, -40.75], [-68.25, -40.85], [-68.0, -40.75], [-67.47, -40.97], [-67.25, -41.5], [-67.47, -42.03], [-68.0, -42.25], [-68.25, -42.15], [-68.37, -42.2], [-68.32, -42.32], [-67.97, -42.47], [-67.82, -42.82], [-67.75, -42.85], [-67.5, -42.75], [-67.25, -42.85], [-67.0, -42.75], [-66.75, -42.85], [-66.5, -42.75], [-66.25, -42.85], [-66.0, -42.75], [-65.75, -42.85], [-65.68, -42.82], [-65.53, -42.47], [-65.18, -42.32], [-65.03, -41.97], [-64.5, -41.75], [-63.97, -41.97], [-63.82, -42.32], [-63.75, -42.35], [-63.5, -42.25], [-62.97, -42.47], [-62.75, -43.0], [-62.87, -43.3], [-62.75, -43.35], [-62.5, -43.25], [-62.25, -43.35], [-62.0, -43.25], [-61.75, -43.35], [-61.5, -43.25], [-60.97, -43.47], [-60.75, -44.0], [-60.85, -44.25], [-60.75, -44.5], [-60.96, -45.0], [-60.75, -45.5], [-60.97, -46.03], [-61.32, -46.18], [-61.47, -46.53], [-62.0, -46.75], [-62.53, -46.53], [-62.68, -46.18], [-63.03, -46.03], [-63.18, -45.68], [-63.25, -45.65], [-63.5, -45.75], [-63.75, -45.65], [-64.0, -45.75], [-64.53, -45.53], [-64.7, -45.12], [-65.0, -45.25], [-65.25, -45.15], [-65.5, -45.25], [-65.75, -45.15], [-66.0, -45.25], [-66.25, -45.15], [-66.37, -45.2], [-66.25, -45.5], [-66.46, -46.0], [-66.25, -46.5], [-66.35, -46.75], [-66.25, -47.0], [-66.47, -47.53], [-67.0, -47.75], [-67.53, -47.53], [-67.75, -47.0], [-67.65, -46.75], [-67.68, -46.68], [-68.03, -46.53], [-68.18, -46.18], [-68.25, -46.15], [-68.5, -46.25], [-68.75, -46.15], [-69.0, -46.25], [-69.53, -46.03], [-69.75, -45.5], [-69.65, -45.25], [-69.75, -45.0], [-69.65, -44.75], [-69.68, -44.68], [-70.03, -44.53], [-70.2, -44.12], [-70.32, -44.18], [-70.47, -44.53], [-71.0, -44.75], [-71.53, -44.53], [-71.75, -44.0], [-71.65, -43.75], [-71.75, -43.5], [-71.65, -43.25]]]]}, "2018-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.65, -43.25], [-71.75, -43.0], [-71.53, -42.47], [-71.18, -42.32], [-71.15, -42.25], [-71.25, -42.0], [-71.03, -41.47], [-70.68, -41.32], [-70.53, -40.97], [-70.0, -40.75], [-69.75, -40.85], [-69.5, -40.75], [-69.25, -40.85], [-69.0, -40.75], [-68.75, -40.85], [-68.5, -40.75], [-68.25, -40.85], [-68.0, -40.75], [-67.47, -40.97], [-67.25, -41.5], [-67.47, -42.03], [-68.0, -42.25], [-68.25, -42.15], [-68.37, -42.2], [-68.32, -42.32], [-67.97, -42.47], [-67.82, -42.82], [-67.75, -42.85], [-67.5, -42.75], [-67.25, -42.85], [-67.0, -42.75], [-66.75, -42.85], [-66.5, -42.75], [-66.25, -42.85], [-66.0, -42.75], [-65.75, -42.85], [-65.68, -42.82], [-65.53, -42.47], [-65.18, -42.32], [-65.03, -41.97], [-64.5, -41.75], [-63.97, -41.97], [-63.82, -42.32], [-63.75, -42.35], [-63.5, -42.25], [-62.97, -42.47], [-62.75, -43.0], [-62.87, -43.3], [-62.75, -43.35], [-62.5, -43.25], [-62.25, -43.35], [-62.0, -43.25], [-61.75, -43.35], [-61.5, -43.25], [-60.97, -43.47], [-60.75, -44.0], [-60.85, -44.25], [-60.75, -44.5], [-60.96, -45.0], [-60.75, -45.5], [-60.97, -46.03], [-61.32, -46.18], [-61.47, -46.53], [-62.0, -46.75], [-62.53, -46.53], [-62.68, -46.18], [-63.03, -46.03], [-63.18, -45.68], [-63.25, -45.65], [-63.5, -45.75], [-63.75, -45.65], [-64.0, -45.75], [-64.53, -45.53], [-64.7, -45.12], [-65.0, -45.25], [-65.25, -45.15], [-65.5, -45.25], [-65.75, -45.15], [-66.0, -45.25], [-66.25, -45.15], [-66.37, -45.2], [-66.25, -45.5], [-66.46, -46.0], [-66.25, -46.5], [-66.35, -46.75], [-66.25, -47.0], [-66.47, -47.53], [-67.0, -47.75], [-67.53, -47.53], [-67.75, -47.0], [-67.65, -46.75], [-67.68, -46.68], [-68.03, -46.53], [-68.18, -46.18], [-68.25, -46.15], [-68.5, -46.25], [-68.75, -46.15], [-69.0, -46.25], [-69.53, -46.03], [-69.75, -45.5], [-69.65, -45.25], [-69.75, -45.0], [-69.65, -44.75], [-69.68, -44.68], [-70.03, -44.53], [-70.2, -44.12], [-70.32, -44.18], [-70.47, -44.53], [-71.0, -44.75], [-71.53, -44.53], [-71.75, -44.0], [-71.65, -43.75], [-71.75, -43.5], [-71.65, -43.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.595975970190807}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.8591587431077228}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.684284552729935, 10.705052194103075, 10.612396454697887]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.070751658479878, 14.996361511668908, 14.81547436391719]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.517028503577843, 3.5547342437221663, 3.505713482023157]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.595975970190807, 5.217650215260846, 4.996838652113979]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.784915620551787, 1.420314284753968, 1.5001227968228656]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.46143410015329, 1.884409743468028, 1.7714185615860794]}}