{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:27.229205", "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": "2013-Jan-02_to_2013-Jan-06_292.0_-20.5"}, "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": 2013010001237}, "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 02 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 06 2013"}, "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": 54569.30755917913}, "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": ["Bolivia", "Chile"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.W.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": -20.5}, "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": 292.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "292.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 290.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 293.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -20.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.0, -20.75], [-68.47, -20.97], [-68.25, -21.5], [-68.47, -22.03], [-68.82, -22.18], [-68.97, -22.53], [-69.5, -22.75], [-70.03, -22.53], [-70.25, -22.0], [-70.03, -21.47], [-69.68, -21.32], [-69.53, -20.97], [-69.0, -20.75]]]]}, "2013-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.25, -22.0], [-70.03, -21.47], [-69.68, -21.32], [-69.65, -21.25], [-69.75, -21.0], [-69.65, -20.75], [-69.75, -20.5], [-69.53, -19.97], [-69.0, -19.75], [-68.5, -19.96], [-68.0, -19.75], [-67.47, -19.97], [-67.25, -20.5], [-67.46, -21.0], [-67.25, -21.5], [-67.47, -22.03], [-68.0, -22.25], [-68.25, -22.15], [-68.32, -22.18], [-68.35, -22.25], [-68.25, -22.5], [-68.35, -22.75], [-68.25, -23.0], [-68.47, -23.53], [-69.0, -23.75], [-69.53, -23.53], [-69.75, -23.0], [-69.65, -22.75], [-69.68, -22.68], [-70.03, -22.53], [-70.25, -22.0]]]]}, "2013-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.25, -22.0], [-70.03, -21.47], [-69.68, -21.32], [-69.65, -21.25], [-69.75, -21.0], [-69.65, -20.75], [-69.75, -20.5], [-69.53, -19.97], [-69.0, -19.75], [-68.75, -19.85], [-68.5, -19.75], [-68.25, -19.85], [-68.0, -19.75], [-67.47, -19.97], [-67.32, -20.32], [-66.97, -20.47], [-66.82, -20.82], [-66.47, -20.97], [-66.25, -21.5], [-66.46, -22.0], [-66.25, -22.5], [-66.47, -23.03], [-67.0, -23.25], [-67.25, -23.15], [-67.32, -23.18], [-67.47, -23.53], [-68.0, -23.75], [-68.5, -23.54], [-69.0, -23.75], [-69.53, -23.53], [-69.75, -23.0], [-69.65, -22.75], [-69.68, -22.68], [-70.03, -22.53], [-70.25, -22.0]]]]}, "2013-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.25, -22.0], [-70.03, -21.47], [-69.68, -21.32], [-69.65, -21.25], [-69.75, -21.0], [-69.65, -20.75], [-69.75, -20.5], [-69.53, -19.97], [-69.0, -19.75], [-68.75, -19.85], [-68.5, -19.75], [-68.25, -19.85], [-68.0, -19.75], [-67.47, -19.97], [-67.32, -20.32], [-66.97, -20.47], [-66.82, -20.82], [-66.47, -20.97], [-66.25, -21.5], [-66.46, -22.0], [-66.25, -22.5], [-66.47, -23.03], [-67.0, -23.25], [-67.25, -23.15], [-67.32, -23.18], [-67.47, -23.53], [-68.0, -23.75], [-68.5, -23.54], [-69.0, -23.75], [-69.53, -23.53], [-69.75, -23.0], [-69.65, -22.75], [-69.68, -22.68], [-70.03, -22.53], [-70.25, -22.0]]]]}, "2013-01-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.53, -19.97], [-69.0, -19.75], [-68.75, -19.85], [-68.5, -19.75], [-68.25, -19.85], [-68.0, -19.75], [-67.47, -19.97], [-67.32, -20.32], [-66.97, -20.47], [-66.82, -20.82], [-66.47, -20.97], [-66.25, -21.5], [-66.46, -22.0], [-66.25, -22.5], [-66.47, -23.03], [-67.0, -23.25], [-67.25, -23.15], [-67.32, -23.18], [-67.47, -23.53], [-68.0, -23.75], [-68.53, -23.53], [-68.75, -23.0], [-68.62, -22.7], [-69.03, -22.53], [-69.25, -22.0], [-69.15, -21.75], [-69.18, -21.68], [-69.53, -21.53], [-69.75, -21.0], [-69.65, -20.75], [-69.75, -20.5], [-69.53, -19.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.461125647702829}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.892236557774493}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.652396054026553, 15.59503827235153, 14.322840232647366, 14.753356150301727, 11.994321238510224]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.0751953838581, 25.386580757331785, 25.752687166162104, 24.71397984476829, 16.864842733089006]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.2176752760536544, 2.3927442861545956, 2.9888104985810413, 3.4068937518268796, 2.5158546804402704]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.296237968202661, 2.653076510004439, 3.5993103371828283, 4.461125647702829, 2.978859091403251]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7651409144202967, 1.6644975292711846, 1.8660555270824042, 2.0490492512985523, 1.4242989056535578]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9277686002250203, 2.0900938365734856, 2.22249279516526, 2.5892465003703067, 1.7286568919499883]}}