{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:17.977708", "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-Aug-30_to_2011-Sep-01_320.0_-11.5"}, "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": 2011080003201}, "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": "August 30 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 01 2011"}, "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": 72770.65270806795}, "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": []}, "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": -11.5}, "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": 320.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "320.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 318.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 321.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -9.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.65, -10.75], [-41.75, -10.5], [-41.65, -10.25], [-41.75, -10.0], [-41.53, -9.47], [-41.0, -9.25], [-40.75, -9.35], [-40.5, -9.25], [-40.25, -9.35], [-40.0, -9.25], [-39.47, -9.47], [-39.32, -9.82], [-38.97, -9.97], [-38.82, -10.32], [-38.47, -10.47], [-38.32, -10.82], [-37.97, -10.97], [-37.75, -11.5], [-37.85, -11.75], [-37.75, -12.0], [-37.97, -12.53], [-38.5, -12.75], [-38.75, -12.65], [-39.0, -12.75], [-39.25, -12.65], [-39.32, -12.68], [-39.47, -13.03], [-40.0, -13.25], [-40.53, -13.03], [-40.68, -12.68], [-41.03, -12.53], [-41.18, -12.18], [-41.53, -12.03], [-41.75, -11.5], [-41.65, -11.25], [-41.75, -11.0], [-41.65, -10.75]]]]}, "2011-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.65, -10.75], [-41.75, -10.5], [-41.65, -10.25], [-41.75, -10.0], [-41.53, -9.47], [-41.0, -9.25], [-40.75, -9.35], [-40.5, -9.25], [-40.25, -9.35], [-40.0, -9.25], [-39.47, -9.47], [-39.32, -9.82], [-38.97, -9.97], [-38.82, -10.32], [-38.47, -10.47], [-38.32, -10.82], [-37.97, -10.97], [-37.75, -11.5], [-37.85, -11.75], [-37.75, -12.0], [-37.97, -12.53], [-38.5, -12.75], [-38.75, -12.65], [-39.0, -12.75], [-39.25, -12.65], [-39.32, -12.68], [-39.47, -13.03], [-40.0, -13.25], [-40.53, -13.03], [-40.68, -12.68], [-41.03, -12.53], [-41.18, -12.18], [-41.53, -12.03], [-41.75, -11.5], [-41.65, -11.25], [-41.75, -11.0], [-41.65, -10.75]]]]}, "2011-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.65, -10.75], [-41.75, -10.5], [-41.65, -10.25], [-41.75, -10.0], [-41.53, -9.47], [-41.0, -9.25], [-40.75, -9.35], [-40.5, -9.25], [-40.25, -9.35], [-40.0, -9.25], [-39.47, -9.47], [-39.32, -9.82], [-38.97, -9.97], [-38.82, -10.32], [-38.47, -10.47], [-38.32, -10.82], [-37.97, -10.97], [-37.75, -11.5], [-37.85, -11.75], [-37.75, -12.0], [-37.97, -12.53], [-38.5, -12.75], [-38.75, -12.65], [-39.0, -12.75], [-39.25, -12.65], [-39.32, -12.68], [-39.47, -13.03], [-40.0, -13.25], [-40.53, -13.03], [-40.68, -12.68], [-41.03, -12.53], [-41.18, -12.18], [-41.53, -12.03], [-41.75, -11.5], [-41.65, -11.25], [-41.75, -11.0], [-41.65, -10.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.067496038577758}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6486952460821105}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.534568244765808, 24.72739793556798, 24.763772274447035]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.930709384624777, 26.10869364335815, 26.40935873455652]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5679014884275138, 1.697413253507167, 1.6807709963116508]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.054793257484448, 2.0077797254912753, 2.067496038577758]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5522262480081226, 1.655671764327589, 1.585814308916435]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.015615506953744, 2.0108834564526665, 1.91217209301085]}}