{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:14.679852", "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": "2011-Dec-19_to_2011-Dec-25_310.0_-23.5"}, "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": 2011120002410}, "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 19 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 25 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 82425.9131928203}, "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": ["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": -23.5}, "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": 310.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "310.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 306.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 311.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -21.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.0, -22.75], [-49.47, -22.97], [-49.25, -23.5], [-49.47, -24.03], [-50.0, -24.25], [-50.53, -24.03], [-50.75, -23.5], [-50.53, -22.97], [-50.0, -22.75]]]]}, "2011-12-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.15, -22.75], [-53.25, -22.5], [-53.03, -21.97], [-52.68, -21.82], [-52.53, -21.47], [-52.0, -21.25], [-51.75, -21.35], [-51.5, -21.25], [-50.97, -21.47], [-50.82, -21.82], [-50.47, -21.97], [-50.32, -22.32], [-50.25, -22.35], [-50.0, -22.25], [-49.47, -22.47], [-49.32, -22.82], [-48.97, -22.97], [-48.82, -23.32], [-48.47, -23.47], [-48.25, -24.0], [-48.47, -24.53], [-49.0, -24.75], [-49.25, -24.65], [-49.5, -24.75], [-49.75, -24.65], [-50.0, -24.75], [-50.25, -24.65], [-50.5, -24.75], [-51.0, -24.54], [-51.5, -24.75], [-52.03, -24.53], [-52.18, -24.18], [-52.25, -24.15], [-52.5, -24.25], [-53.03, -24.03], [-53.25, -23.5], [-53.15, -23.25], [-53.25, -23.0], [-53.15, -22.75]]]]}, "2011-12-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.18, -22.32], [-53.03, -21.97], [-52.68, -21.82], [-52.53, -21.47], [-52.0, -21.25], [-51.75, -21.35], [-51.5, -21.25], [-50.97, -21.47], [-50.82, -21.82], [-50.47, -21.97], [-50.32, -22.32], [-50.25, -22.35], [-50.0, -22.25], [-49.47, -22.47], [-49.32, -22.82], [-48.97, -22.97], [-48.82, -23.32], [-48.47, -23.47], [-48.25, -24.0], [-48.47, -24.53], [-49.0, -24.75], [-49.25, -24.65], [-49.5, -24.75], [-49.75, -24.65], [-50.0, -24.75], [-50.25, -24.65], [-50.5, -24.75], [-51.0, -24.54], [-51.5, -24.75], [-52.03, -24.53], [-52.18, -24.18], [-52.25, -24.15], [-52.5, -24.25], [-52.75, -24.15], [-53.0, -24.25], [-53.25, -24.15], [-53.5, -24.25], [-54.03, -24.03], [-54.25, -23.5], [-54.03, -22.97], [-53.68, -22.82], [-53.53, -22.47], [-53.18, -22.32]]]]}, "2011-12-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.18, -22.32], [-53.03, -21.97], [-52.68, -21.82], [-52.53, -21.47], [-52.0, -21.25], [-51.75, -21.35], [-51.5, -21.25], [-51.0, -21.46], [-50.5, -21.25], [-49.97, -21.47], [-49.75, -22.0], [-49.85, -22.25], [-49.82, -22.32], [-49.47, -22.47], [-49.32, -22.82], [-48.97, -22.97], [-48.82, -23.32], [-48.47, -23.47], [-48.25, -24.0], [-48.47, -24.53], [-49.0, -24.75], [-49.25, -24.65], [-49.5, -24.75], [-49.75, -24.65], [-50.0, -24.75], [-50.25, -24.65], [-50.5, -24.75], [-51.0, -24.54], [-51.5, -24.75], [-52.03, -24.53], [-52.18, -24.18], [-52.25, -24.15], [-52.5, -24.25], [-52.75, -24.15], [-53.0, -24.25], [-53.25, -24.15], [-53.5, -24.25], [-54.03, -24.03], [-54.25, -23.5], [-54.03, -22.97], [-53.68, -22.82], [-53.53, -22.47], [-53.18, -22.32]]]]}, "2011-12-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.18, -22.32], [-53.03, -21.97], [-52.68, -21.82], [-52.53, -21.47], [-52.0, -21.25], [-51.75, -21.35], [-51.5, -21.25], [-51.0, -21.46], [-50.5, -21.25], [-49.97, -21.47], [-49.75, -22.0], [-49.85, -22.25], [-49.82, -22.32], [-49.47, -22.47], [-49.32, -22.82], [-48.97, -22.97], [-48.82, -23.32], [-48.47, -23.47], [-48.25, -24.0], [-48.47, -24.53], [-49.0, -24.75], [-49.25, -24.65], [-49.5, -24.75], [-49.75, -24.65], [-50.0, -24.75], [-50.25, -24.65], [-50.5, -24.75], [-51.0, -24.54], [-51.5, -24.75], [-52.03, -24.53], [-52.18, -24.18], [-52.25, -24.15], [-52.5, -24.25], [-52.75, -24.15], [-53.0, -24.25], [-53.25, -24.15], [-53.5, -24.25], [-54.03, -24.03], [-54.25, -23.5], [-54.03, -22.97], [-53.68, -22.82], [-53.53, -22.47], [-53.18, -22.32]]]]}, "2011-12-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.18, -22.32], [-53.03, -21.97], [-52.68, -21.82], [-52.53, -21.47], [-52.0, -21.25], [-51.75, -21.35], [-51.5, -21.25], [-51.0, -21.46], [-50.5, -21.25], [-49.97, -21.47], [-49.75, -22.0], [-49.85, -22.25], [-49.75, -22.5], [-49.85, -22.75], [-49.82, -22.82], [-49.47, -22.97], [-49.3, -23.38], [-49.0, -23.25], [-48.47, -23.47], [-48.25, -24.0], [-48.47, -24.53], [-49.0, -24.75], [-49.53, -24.53], [-49.7, -24.12], [-50.0, -24.25], [-50.25, -24.15], [-50.5, -24.25], [-50.75, -24.15], [-51.0, -24.25], [-51.25, -24.15], [-51.5, -24.25], [-51.75, -24.15], [-52.0, -24.25], [-52.25, -24.15], [-52.5, -24.25], [-52.75, -24.15], [-53.0, -24.25], [-53.25, -24.15], [-53.5, -24.25], [-54.03, -24.03], [-54.25, -23.5], [-54.03, -22.97], [-53.68, -22.82], [-53.53, -22.47], [-53.18, -22.32]]]]}, "2011-12-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.0, -21.25], [-51.47, -21.47], [-51.25, -22.0], [-51.47, -22.53], [-51.82, -22.68], [-51.97, -23.03], [-52.5, -23.25], [-53.03, -23.03], [-53.25, -22.5], [-53.03, -21.97], [-52.68, -21.82], [-52.53, -21.47], [-52.0, -21.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.538213340758205}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.0591966548504503}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.51060344159015, 27.811268665405976, 27.797634951019802, 28.001848792242413, 28.651545639829635, 28.411564105291916, 28.911534705466806]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.51060344159015, 29.547438334570245, 29.527727924675048, 29.322642497771767, 30.18254383087873, 30.124939463931412, 29.085145939104166]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.968887049973546, 2.9121483934624117, 2.814258387344904, 2.9716039782965593, 3.5692627258952396, 3.0158479533894003, 2.3522497875075032]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.968887049973546, 4.0633860873999765, 3.667258985574165, 4.310267495393873, 4.538213340758205, 3.842714896615348, 2.444730574801497]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6173782691266765, 1.6424519633136976, 1.5669877639020753, 1.7016590632792057, 2.0416655416918688, 1.7399035962342462, 1.3951418611561455]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6173782691266765, 2.1890344372365993, 2.0183638461641285, 2.5672101123222655, 2.657647489346952, 2.1773704174333632, 1.4347453012782034]}}