{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:35.077964", "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": "2014-Jan-03_to_2014-Jan-06_307.5_-0.5"}, "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": 2014010001583}, "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": "January 03 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 06 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 52541.61550243767}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": -0.5}, "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": 307.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "307.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 305.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 308.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.75, -1.0], [-54.53, -0.47], [-54.0, -0.25], [-53.5, -0.46], [-53.18, -0.32], [-53.15, -0.25], [-53.25, 0.0], [-53.03, 0.53], [-52.68, 0.68], [-52.53, 1.03], [-52.0, 1.25], [-51.75, 1.15], [-51.5, 1.25], [-50.97, 1.03], [-50.75, 0.5], [-50.85, 0.25], [-50.75, 0.0], [-50.97, -0.53], [-51.32, -0.68], [-51.47, -1.03], [-51.82, -1.18], [-51.97, -1.53], [-52.5, -1.75], [-52.75, -1.65], [-52.82, -1.68], [-52.97, -2.03], [-53.5, -2.25], [-54.03, -2.03], [-54.18, -1.68], [-54.53, -1.53], [-54.75, -1.0]]]]}, "2014-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.25, -1.0], [-55.03, -0.47], [-54.68, -0.32], [-54.65, -0.25], [-54.75, 0.0], [-54.53, 0.53], [-54.0, 0.75], [-53.47, 0.53], [-53.25, 0.0], [-53.03, 0.53], [-52.68, 0.68], [-52.53, 1.03], [-52.0, 1.25], [-51.75, 1.15], [-51.5, 1.25], [-50.97, 1.03], [-50.75, 0.5], [-50.85, 0.25], [-50.75, 0.0], [-50.97, -0.53], [-51.32, -0.68], [-51.47, -1.03], [-51.82, -1.18], [-51.85, -1.25], [-51.75, -1.5], [-51.97, -2.03], [-52.5, -2.25], [-52.75, -2.15], [-53.0, -2.25], [-53.25, -2.15], [-53.5, -2.25], [-53.75, -2.15], [-54.0, -2.25], [-54.53, -2.03], [-54.68, -1.68], [-55.03, -1.53], [-55.25, -1.0]], [[-53.35, -0.25], [-53.3, -0.38], [-53.18, -0.32], [-53.15, -0.25], [-53.25, 0.0], [-53.35, -0.25]]]]}, "2014-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.25, -1.0], [-55.03, -0.47], [-54.68, -0.32], [-54.65, -0.25], [-54.75, 0.0], [-54.53, 0.53], [-54.0, 0.75], [-53.47, 0.53], [-53.25, 0.0], [-53.03, 0.53], [-52.68, 0.68], [-52.53, 1.03], [-52.0, 1.25], [-51.75, 1.15], [-51.5, 1.25], [-50.97, 1.03], [-50.75, 0.5], [-50.85, 0.25], [-50.75, 0.0], [-50.97, -0.53], [-51.32, -0.68], [-51.47, -1.03], [-51.82, -1.18], [-51.85, -1.25], [-51.75, -1.5], [-51.97, -2.03], [-52.5, -2.25], [-52.75, -2.15], [-53.0, -2.25], [-53.25, -2.15], [-53.5, -2.25], [-53.75, -2.15], [-54.0, -2.25], [-54.53, -2.03], [-54.68, -1.68], [-55.03, -1.53], [-55.25, -1.0]], [[-53.35, -0.25], [-53.3, -0.38], [-53.18, -0.32], [-53.15, -0.25], [-53.25, 0.0], [-53.35, -0.25]]]]}, "2014-01-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.25, -1.0], [-55.03, -0.47], [-54.68, -0.32], [-54.65, -0.25], [-54.75, 0.0], [-54.53, 0.53], [-54.0, 0.75], [-53.47, 0.53], [-53.25, 0.0], [-53.03, 0.53], [-52.68, 0.68], [-52.53, 1.03], [-52.0, 1.25], [-51.47, 1.03], [-51.32, 0.68], [-50.97, 0.53], [-50.75, 0.0], [-50.97, -0.53], [-51.32, -0.68], [-51.47, -1.03], [-51.82, -1.18], [-51.85, -1.25], [-51.75, -1.5], [-51.97, -2.03], [-52.5, -2.25], [-52.75, -2.15], [-53.0, -2.25], [-53.25, -2.15], [-53.5, -2.25], [-53.75, -2.15], [-54.0, -2.25], [-54.53, -2.03], [-54.68, -1.68], [-55.03, -1.53], [-55.25, -1.0]], [[-53.35, -0.25], [-53.3, -0.38], [-53.18, -0.32], [-53.15, -0.25], [-53.25, 0.0], [-53.35, -0.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.956370949362679}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.194122491669926}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.377326796332625, 28.46367890246927, 28.297978608839685, 28.549543004089344]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.119775845247602, 29.421392193646568, 29.5318659153171, 29.5997313428158]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.172128209144246, 2.227807546218531, 2.1031008314248405, 2.275233118644769]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.475153082029692, 2.662946335713002, 2.8180156451317657, 2.956370949362679]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7871865235751798, 1.6720342503528274, 1.5380771159987032, 1.6179550571058265]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1640788754108864, 1.9598784413223098, 1.7476764175580901, 1.824417868809685]}}