{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:27:06.567159", "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-Aug-17_to_2021-Aug-19_296.0_-30.5"}, "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": 2021080002311}, "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 17 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 19 2021"}, "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": 50748.70028900457}, "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.E.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": []}, "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": -30.5}, "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": 296.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 294.75}, "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": -32.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -28.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.65, -31.25], [-65.75, -31.0], [-65.53, -30.47], [-65.18, -30.32], [-65.03, -29.97], [-64.68, -29.82], [-64.65, -29.75], [-64.75, -29.5], [-64.53, -28.97], [-64.0, -28.75], [-63.75, -28.85], [-63.5, -28.75], [-63.25, -28.85], [-63.18, -28.82], [-63.03, -28.47], [-62.5, -28.25], [-62.25, -28.35], [-62.0, -28.25], [-61.47, -28.47], [-61.25, -29.0], [-61.35, -29.25], [-61.25, -29.5], [-61.35, -29.75], [-61.25, -30.0], [-61.35, -30.25], [-61.32, -30.32], [-60.97, -30.47], [-60.75, -31.0], [-60.97, -31.53], [-61.5, -31.75], [-62.03, -31.53], [-62.18, -31.18], [-62.53, -31.03], [-62.75, -30.5], [-62.97, -31.03], [-63.5, -31.25], [-63.75, -31.15], [-63.82, -31.18], [-63.97, -31.53], [-64.32, -31.68], [-64.35, -31.75], [-64.25, -32.0], [-64.47, -32.53], [-65.0, -32.75], [-65.53, -32.53], [-65.75, -32.0], [-65.65, -31.75], [-65.75, -31.5], [-65.65, -31.25]], [[-62.65, -30.25], [-62.68, -30.18], [-62.75, -30.15], [-62.82, -30.18], [-62.85, -30.25], [-62.75, -30.5], [-62.65, -30.25]]]]}, "2021-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.65, -31.25], [-65.75, -31.0], [-65.53, -30.47], [-65.18, -30.32], [-65.03, -29.97], [-64.68, -29.82], [-64.65, -29.75], [-64.75, -29.5], [-64.53, -28.97], [-64.0, -28.75], [-63.75, -28.85], [-63.5, -28.75], [-63.25, -28.85], [-63.18, -28.82], [-63.03, -28.47], [-62.5, -28.25], [-62.25, -28.35], [-62.0, -28.25], [-61.47, -28.47], [-61.25, -29.0], [-61.35, -29.25], [-61.25, -29.5], [-61.35, -29.75], [-61.25, -30.0], [-61.35, -30.25], [-61.32, -30.32], [-60.97, -30.47], [-60.75, -31.0], [-60.97, -31.53], [-61.5, -31.75], [-62.03, -31.53], [-62.18, -31.18], [-62.53, -31.03], [-62.75, -30.5], [-62.97, -31.03], [-63.5, -31.25], [-63.75, -31.15], [-63.82, -31.18], [-63.97, -31.53], [-64.32, -31.68], [-64.35, -31.75], [-64.25, -32.0], [-64.47, -32.53], [-65.0, -32.75], [-65.53, -32.53], [-65.75, -32.0], [-65.65, -31.75], [-65.75, -31.5], [-65.65, -31.25]], [[-62.65, -30.25], [-62.68, -30.18], [-62.75, -30.15], [-62.82, -30.18], [-62.85, -30.25], [-62.75, -30.5], [-62.65, -30.25]]]]}, "2021-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.65, -31.25], [-65.75, -31.0], [-65.53, -30.47], [-65.18, -30.32], [-65.03, -29.97], [-64.68, -29.82], [-64.65, -29.75], [-64.75, -29.5], [-64.53, -28.97], [-64.0, -28.75], [-63.75, -28.85], [-63.5, -28.75], [-63.25, -28.85], [-63.18, -28.82], [-63.03, -28.47], [-62.5, -28.25], [-62.25, -28.35], [-62.0, -28.25], [-61.47, -28.47], [-61.25, -29.0], [-61.35, -29.25], [-61.25, -29.5], [-61.35, -29.75], [-61.25, -30.0], [-61.35, -30.25], [-61.32, -30.32], [-60.97, -30.47], [-60.75, -31.0], [-60.97, -31.53], [-61.5, -31.75], [-62.03, -31.53], [-62.18, -31.18], [-62.53, -31.03], [-62.75, -30.5], [-62.97, -31.03], [-63.5, -31.25], [-63.75, -31.15], [-63.82, -31.18], [-63.97, -31.53], [-64.32, -31.68], [-64.35, -31.75], [-64.25, -32.0], [-64.47, -32.53], [-65.0, -32.75], [-65.53, -32.53], [-65.75, -32.0], [-65.65, -31.75], [-65.75, -31.5], [-65.65, -31.25]], [[-62.65, -30.25], [-62.68, -30.18], [-62.75, -30.15], [-62.82, -30.18], [-62.85, -30.25], [-62.75, -30.5], [-62.65, -30.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.906201916829048}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.511834432621731}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.563507195778186, 23.032901819837207, 21.229646095275484]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.855464690248994, 26.006528489024674, 27.174937313568137]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.0162102981268, 9.242970622189908, 7.276322377548485]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.831695836263748, 10.738246754474972, 10.906201916829048]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4506603304538022, 2.1822649558350125, 1.6840129258277319]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6334213277435121, 2.6438918286598447, 2.2985235984635586]}}