{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:27:59.429334", "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-Oct-19_to_2021-Oct-21_302.0_-41.5"}, "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": 2021100001982}, "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": "October 19 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 21 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": 107405.22703048172}, "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", "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": -41.5}, "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": 302.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "302.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 297.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 303.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -42.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -39.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.0, -38.75], [-61.75, -38.85], [-61.5, -38.75], [-61.25, -38.85], [-61.0, -38.75], [-60.75, -38.85], [-60.5, -38.75], [-59.97, -38.97], [-59.82, -39.32], [-59.75, -39.35], [-59.5, -39.25], [-59.25, -39.35], [-59.0, -39.25], [-58.47, -39.47], [-58.32, -39.82], [-58.25, -39.85], [-58.0, -39.75], [-57.75, -39.85], [-57.5, -39.75], [-57.25, -39.85], [-57.0, -39.75], [-56.47, -39.97], [-56.25, -40.5], [-56.47, -41.03], [-56.82, -41.18], [-56.97, -41.53], [-57.32, -41.68], [-57.47, -42.03], [-57.82, -42.18], [-57.97, -42.53], [-58.32, -42.68], [-58.47, -43.03], [-59.0, -43.25], [-59.25, -43.15], [-59.5, -43.25], [-59.75, -43.15], [-60.0, -43.25], [-60.25, -43.15], [-60.5, -43.25], [-61.03, -43.03], [-61.18, -42.68], [-61.53, -42.53], [-61.75, -42.0], [-61.65, -41.75], [-61.75, -41.5], [-61.65, -41.25], [-61.75, -41.0], [-61.65, -40.75], [-61.68, -40.68], [-61.75, -40.65], [-62.0, -40.75], [-62.25, -40.65], [-62.5, -40.75], [-63.03, -40.53], [-63.25, -40.0], [-63.03, -39.47], [-62.68, -39.32], [-62.53, -38.97], [-62.0, -38.75]]]]}, "2021-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.0, -38.75], [-61.75, -38.85], [-61.5, -38.75], [-61.25, -38.85], [-61.0, -38.75], [-60.75, -38.85], [-60.5, -38.75], [-59.97, -38.97], [-59.82, -39.32], [-59.75, -39.35], [-59.5, -39.25], [-59.25, -39.35], [-59.0, -39.25], [-58.47, -39.47], [-58.32, -39.82], [-58.25, -39.85], [-58.0, -39.75], [-57.75, -39.85], [-57.5, -39.75], [-57.25, -39.85], [-57.0, -39.75], [-56.47, -39.97], [-56.25, -40.5], [-56.47, -41.03], [-56.82, -41.18], [-56.97, -41.53], [-57.32, -41.68], [-57.47, -42.03], [-57.82, -42.18], [-57.97, -42.53], [-58.32, -42.68], [-58.47, -43.03], [-59.0, -43.25], [-59.25, -43.15], [-59.5, -43.25], [-59.75, -43.15], [-60.0, -43.25], [-60.25, -43.15], [-60.5, -43.25], [-61.03, -43.03], [-61.18, -42.68], [-61.53, -42.53], [-61.75, -42.0], [-61.65, -41.75], [-61.75, -41.5], [-61.65, -41.25], [-61.75, -41.0], [-61.65, -40.75], [-61.68, -40.68], [-61.75, -40.65], [-62.0, -40.75], [-62.25, -40.65], [-62.5, -40.75], [-63.03, -40.53], [-63.25, -40.0], [-63.03, -39.47], [-62.68, -39.32], [-62.53, -38.97], [-62.0, -38.75]]]]}, "2021-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.0, -38.75], [-61.75, -38.85], [-61.5, -38.75], [-61.25, -38.85], [-61.0, -38.75], [-60.75, -38.85], [-60.5, -38.75], [-59.97, -38.97], [-59.82, -39.32], [-59.75, -39.35], [-59.5, -39.25], [-59.25, -39.35], [-59.0, -39.25], [-58.47, -39.47], [-58.32, -39.82], [-58.25, -39.85], [-58.0, -39.75], [-57.75, -39.85], [-57.5, -39.75], [-57.25, -39.85], [-57.0, -39.75], [-56.47, -39.97], [-56.25, -40.5], [-56.47, -41.03], [-56.82, -41.18], [-56.97, -41.53], [-57.32, -41.68], [-57.47, -42.03], [-57.82, -42.18], [-57.97, -42.53], [-58.32, -42.68], [-58.47, -43.03], [-59.0, -43.25], [-59.25, -43.15], [-59.5, -43.25], [-59.75, -43.15], [-60.0, -43.25], [-60.25, -43.15], [-60.5, -43.25], [-61.03, -43.03], [-61.18, -42.68], [-61.53, -42.53], [-61.75, -42.0], [-61.65, -41.75], [-61.75, -41.5], [-61.65, -41.25], [-61.75, -41.0], [-61.65, -40.75], [-61.68, -40.68], [-61.75, -40.65], [-62.0, -40.75], [-62.25, -40.65], [-62.5, -40.75], [-63.03, -40.53], [-63.25, -40.0], [-63.03, -39.47], [-62.68, -39.32], [-62.53, -38.97], [-62.0, -38.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.459400602743074}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.566919665651317}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [13.912585090055188, 13.799967494949385, 14.051455556480619]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.436643551413965, 19.494655698281917, 19.006600260085918]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6183947911767156, 2.439303864586351, 2.6430603411908846]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.459400602743074, 4.4048475697229605, 4.102668033495945]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5457883589104942, 1.4575638127160466, 1.559063359152286]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8053647399996717, 1.6972025038768563, 1.8523980979075192]}}