{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:28.945523", "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-Dec-10_to_2015-Dec-14_304.0_-35.0"}, "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": 2015120001592}, "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": "December 10 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 14 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 127061.72796453635}, "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", "Brazil", "Uruguay"]}, "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": ["Rio de La Plata", "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": -35.0}, "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": 304.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "304.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 301.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 308.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -36.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -31.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.03, -35.03], [-59.25, -34.5], [-59.03, -33.97], [-58.5, -33.75], [-58.25, -33.85], [-58.0, -33.75], [-57.47, -33.97], [-57.25, -34.5], [-57.47, -35.03], [-58.0, -35.25], [-58.25, -35.15], [-58.5, -35.25], [-59.03, -35.03]]]]}, "2015-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.03, -33.97], [-58.5, -33.75], [-58.25, -33.85], [-58.0, -33.75], [-57.75, -33.85], [-57.5, -33.75], [-57.25, -33.85], [-57.0, -33.75], [-56.75, -33.85], [-56.5, -33.75], [-56.25, -33.85], [-56.0, -33.75], [-55.75, -33.85], [-55.68, -33.82], [-55.53, -33.47], [-55.0, -33.25], [-54.75, -33.35], [-54.5, -33.25], [-54.07, -33.43], [-54.25, -33.0], [-54.03, -32.47], [-53.68, -32.32], [-53.53, -31.97], [-53.0, -31.75], [-52.75, -31.85], [-52.5, -31.75], [-51.97, -31.97], [-51.75, -32.5], [-51.85, -32.75], [-51.82, -32.82], [-51.47, -32.97], [-51.25, -33.5], [-51.47, -34.03], [-51.82, -34.18], [-51.97, -34.53], [-52.5, -34.75], [-52.75, -34.65], [-52.82, -34.68], [-52.85, -34.75], [-52.75, -35.0], [-52.97, -35.53], [-53.32, -35.68], [-53.47, -36.03], [-54.0, -36.25], [-54.25, -36.15], [-54.32, -36.18], [-54.47, -36.53], [-54.82, -36.68], [-54.97, -37.03], [-55.5, -37.25], [-56.03, -37.03], [-56.18, -36.68], [-56.25, -36.65], [-56.5, -36.75], [-56.75, -36.65], [-57.0, -36.75], [-57.25, -36.65], [-57.5, -36.75], [-58.03, -36.53], [-58.25, -36.0], [-58.15, -35.75], [-58.18, -35.68], [-58.25, -35.65], [-58.5, -35.75], [-59.03, -35.53], [-59.25, -35.0], [-59.15, -34.75], [-59.25, -34.5], [-59.03, -33.97]]]]}, "2015-12-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.03, -33.97], [-58.5, -33.75], [-58.25, -33.85], [-58.0, -33.75], [-57.75, -33.85], [-57.5, -33.75], [-57.25, -33.85], [-57.0, -33.75], [-56.75, -33.85], [-56.5, -33.75], [-56.25, -33.85], [-56.0, -33.75], [-55.75, -33.85], [-55.68, -33.82], [-55.53, -33.47], [-55.0, -33.25], [-54.75, -33.35], [-54.5, -33.25], [-54.07, -33.43], [-54.25, -33.0], [-54.03, -32.47], [-53.68, -32.32], [-53.53, -31.97], [-53.0, -31.75], [-52.75, -31.85], [-52.68, -31.82], [-52.53, -31.47], [-52.0, -31.25], [-51.47, -31.47], [-51.25, -32.0], [-51.47, -32.53], [-51.82, -32.68], [-51.85, -32.75], [-51.82, -32.82], [-51.47, -32.97], [-51.25, -33.5], [-51.47, -34.03], [-51.82, -34.18], [-51.97, -34.53], [-52.5, -34.75], [-52.75, -34.65], [-52.82, -34.68], [-52.85, -34.75], [-52.75, -35.0], [-52.97, -35.53], [-53.32, -35.68], [-53.47, -36.03], [-54.0, -36.25], [-54.25, -36.15], [-54.32, -36.18], [-54.47, -36.53], [-54.82, -36.68], [-54.97, -37.03], [-55.5, -37.25], [-56.03, -37.03], [-56.18, -36.68], [-56.25, -36.65], [-56.5, -36.75], [-56.75, -36.65], [-57.0, -36.75], [-57.25, -36.65], [-57.5, -36.75], [-58.03, -36.53], [-58.25, -36.0], [-58.15, -35.75], [-58.18, -35.68], [-58.25, -35.65], [-58.5, -35.75], [-59.03, -35.53], [-59.25, -35.0], [-59.15, -34.75], [-59.25, -34.5], [-59.03, -33.97]]]]}, "2015-12-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.03, -33.97], [-58.5, -33.75], [-58.25, -33.85], [-58.0, -33.75], [-57.75, -33.85], [-57.5, -33.75], [-57.25, -33.85], [-57.0, -33.75], [-56.75, -33.85], [-56.5, -33.75], [-56.25, -33.85], [-56.0, -33.75], [-55.75, -33.85], [-55.68, -33.82], [-55.53, -33.47], [-55.0, -33.25], [-54.75, -33.35], [-54.5, -33.25], [-54.07, -33.43], [-54.25, -33.0], [-54.03, -32.47], [-53.68, -32.32], [-53.53, -31.97], [-53.0, -31.75], [-52.75, -31.85], [-52.68, -31.82], [-52.53, -31.47], [-52.0, -31.25], [-51.47, -31.47], [-51.25, -32.0], [-51.47, -32.53], [-51.82, -32.68], [-51.85, -32.75], [-51.82, -32.82], [-51.47, -32.97], [-51.25, -33.5], [-51.47, -34.03], [-51.82, -34.18], [-51.97, -34.53], [-52.5, -34.75], [-52.75, -34.65], [-52.82, -34.68], [-52.85, -34.75], [-52.75, -35.0], [-52.97, -35.53], [-53.32, -35.68], [-53.47, -36.03], [-54.0, -36.25], [-54.25, -36.15], [-54.32, -36.18], [-54.47, -36.53], [-54.82, -36.68], [-54.97, -37.03], [-55.5, -37.25], [-56.03, -37.03], [-56.18, -36.68], [-56.25, -36.65], [-56.5, -36.75], [-56.75, -36.65], [-57.0, -36.75], [-57.25, -36.65], [-57.5, -36.75], [-58.03, -36.53], [-58.25, -36.0], [-58.15, -35.75], [-58.18, -35.68], [-58.25, -35.65], [-58.5, -35.75], [-59.03, -35.53], [-59.25, -35.0], [-59.15, -34.75], [-59.25, -34.5], [-59.03, -33.97]]]]}, "2015-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.75, -35.0], [-57.53, -34.47], [-57.0, -34.25], [-56.75, -34.35], [-56.5, -34.25], [-56.25, -34.35], [-56.0, -34.25], [-55.75, -34.35], [-55.5, -34.25], [-55.25, -34.35], [-55.0, -34.25], [-54.47, -34.47], [-54.25, -35.0], [-54.47, -35.53], [-54.82, -35.68], [-54.97, -36.03], [-55.5, -36.25], [-55.75, -36.15], [-55.82, -36.18], [-55.97, -36.53], [-56.5, -36.75], [-56.75, -36.65], [-57.0, -36.75], [-57.53, -36.53], [-57.75, -36.0], [-57.65, -35.75], [-57.75, -35.5], [-57.65, -35.25], [-57.75, -35.0]]], [[[-54.03, -32.47], [-53.68, -32.32], [-53.53, -31.97], [-53.0, -31.75], [-52.7, -31.88], [-52.53, -31.47], [-52.0, -31.25], [-51.47, -31.47], [-51.25, -32.0], [-51.47, -32.53], [-51.87, -32.7], [-51.82, -32.82], [-51.47, -32.97], [-51.25, -33.5], [-51.47, -34.03], [-51.82, -34.18], [-51.97, -34.53], [-52.5, -34.75], [-53.03, -34.53], [-53.18, -34.18], [-53.53, -34.03], [-53.68, -33.68], [-54.03, -33.53], [-54.25, -33.0], [-54.03, -32.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.947746898622597}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.6143450514579896}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.005794807827442, 23.87417309145019, 24.82492357279267, 23.80021327949578, 23.111685759200952]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.313560343372046, 27.249649401879026, 28.21354206202352, 26.134180567911812, 24.483054716191702]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.171047410414758, 3.53909831542785, 4.392636367095747, 3.298051493085402, 2.6392817611582378]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.358584516228291, 5.414168376037537, 6.947746898622597, 4.611534391127066, 3.4167955765068427]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3733489766665263, 1.8114899816857368, 2.2781317405591994, 1.703384017158733, 1.5244774550244158]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.377613918429413, 2.4835321096805245, 2.839886304506883, 2.2193751455629758, 1.8166285379517035]}}