{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:20.237145", "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-Nov-29_to_2015-Dec-03_321.0_-3.5"}, "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": 2015110002591}, "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": "November 29 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 03 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": 58587.42142155104}, "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.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": ["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": -3.5}, "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": 321.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "321.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 319.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 323.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.53, -2.47], [-40.0, -2.25], [-39.75, -2.35], [-39.5, -2.25], [-38.97, -2.47], [-38.82, -2.82], [-38.47, -2.97], [-38.32, -3.32], [-37.97, -3.47], [-37.75, -4.0], [-37.97, -4.53], [-38.5, -4.75], [-39.0, -4.54], [-39.5, -4.75], [-39.75, -4.65], [-40.0, -4.75], [-40.53, -4.53], [-40.75, -4.0], [-40.54, -3.5], [-40.75, -3.0], [-40.53, -2.47]]]]}, "2015-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.65, -3.25], [-40.75, -3.0], [-40.53, -2.47], [-40.0, -2.25], [-39.75, -2.35], [-39.5, -2.25], [-39.25, -2.35], [-39.0, -2.25], [-38.47, -2.47], [-38.32, -2.82], [-38.25, -2.85], [-38.0, -2.75], [-37.47, -2.97], [-37.32, -3.32], [-36.97, -3.47], [-36.75, -4.0], [-36.85, -4.25], [-36.82, -4.32], [-36.75, -4.35], [-36.5, -4.25], [-35.97, -4.47], [-35.75, -5.0], [-35.97, -5.53], [-36.5, -5.75], [-36.75, -5.65], [-37.0, -5.75], [-37.25, -5.65], [-37.5, -5.75], [-38.03, -5.53], [-38.18, -5.18], [-38.25, -5.15], [-38.5, -5.25], [-39.03, -5.03], [-39.2, -4.62], [-39.5, -4.75], [-39.75, -4.65], [-40.0, -4.75], [-40.53, -4.53], [-40.75, -4.0], [-40.65, -3.75], [-40.75, -3.5], [-40.65, -3.25]]]]}, "2015-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.65, -3.25], [-40.75, -3.0], [-40.53, -2.47], [-40.0, -2.25], [-39.75, -2.35], [-39.5, -2.25], [-39.25, -2.35], [-39.0, -2.25], [-38.47, -2.47], [-38.32, -2.82], [-38.25, -2.85], [-38.0, -2.75], [-37.47, -2.97], [-37.32, -3.32], [-36.97, -3.47], [-36.75, -4.0], [-36.85, -4.25], [-36.82, -4.32], [-36.75, -4.35], [-36.5, -4.25], [-35.97, -4.47], [-35.75, -5.0], [-35.97, -5.53], [-36.5, -5.75], [-36.75, -5.65], [-37.0, -5.75], [-37.25, -5.65], [-37.5, -5.75], [-38.03, -5.53], [-38.18, -5.18], [-38.25, -5.15], [-38.5, -5.25], [-39.03, -5.03], [-39.2, -4.62], [-39.5, -4.75], [-39.75, -4.65], [-40.0, -4.75], [-40.53, -4.53], [-40.75, -4.0], [-40.65, -3.75], [-40.75, -3.5], [-40.65, -3.25]]]]}, "2015-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.65, -3.25], [-40.75, -3.0], [-40.53, -2.47], [-40.0, -2.25], [-39.75, -2.35], [-39.5, -2.25], [-39.25, -2.35], [-39.0, -2.25], [-38.47, -2.47], [-38.32, -2.82], [-38.25, -2.85], [-38.0, -2.75], [-37.47, -2.97], [-37.32, -3.32], [-36.97, -3.47], [-36.75, -4.0], [-36.85, -4.25], [-36.82, -4.32], [-36.75, -4.35], [-36.5, -4.25], [-35.97, -4.47], [-35.75, -5.0], [-35.97, -5.53], [-36.5, -5.75], [-36.75, -5.65], [-37.0, -5.75], [-37.25, -5.65], [-37.5, -5.75], [-38.03, -5.53], [-38.18, -5.18], [-38.25, -5.15], [-38.5, -5.25], [-39.03, -5.03], [-39.2, -4.62], [-39.5, -4.75], [-39.75, -4.65], [-40.0, -4.75], [-40.53, -4.53], [-40.75, -4.0], [-40.65, -3.75], [-40.75, -3.5], [-40.65, -3.25]]]]}, "2015-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.0, -3.25], [-37.47, -3.47], [-37.25, -4.0], [-37.47, -4.53], [-38.0, -4.75], [-38.53, -4.53], [-38.75, -4.0], [-38.53, -3.47], [-38.0, -3.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 0.9805404134074251}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.6426451021588474}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.447989268412073, 28.141381470793362, 28.202813798736713, 28.12391787997757, 27.067164869133194]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.5421397434107, 29.711165551244505, 29.72745852509189, 29.692068783638433, 27.067164869133194]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.6481272113839671, 0.6366849501362349, 0.6931323002766261, 0.6085105218726014, 0.40681348721352606]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7789081137980816, 0.8640657514600321, 0.9805404134074251, 0.8231729693221155, 0.40681348721352606]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4564611681596769, 1.534851456936898, 1.7225334503454754, 1.5124243427617166, 1.1878629843635156]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.602696556803652, 2.095146598274776, 2.2794751602865597, 1.9127946417986506, 1.1878629843635156]}}