{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:01.331276", "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-Oct-03_to_2015-Oct-05_290.5_-53.0"}, "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": 2015100001087}, "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": "October 03 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 05 2015"}, "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": 59686.65035273162}, "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": ["Argentina", "Chile"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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 Pacific 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": -53.0}, "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": 290.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 292.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -55.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -50.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.25, -52.0], [-72.03, -51.47], [-71.5, -51.25], [-71.25, -51.35], [-71.12, -51.3], [-71.25, -51.0], [-71.03, -50.47], [-70.68, -50.32], [-70.53, -49.97], [-70.0, -49.75], [-69.47, -49.97], [-69.32, -50.32], [-68.97, -50.47], [-68.75, -51.0], [-68.85, -51.25], [-68.75, -51.5], [-68.85, -51.75], [-68.75, -52.0], [-68.87, -52.3], [-68.75, -52.35], [-68.5, -52.25], [-67.97, -52.47], [-67.75, -53.0], [-67.85, -53.25], [-67.82, -53.32], [-67.47, -53.47], [-67.25, -54.0], [-67.47, -54.53], [-68.0, -54.75], [-68.25, -54.65], [-68.37, -54.7], [-68.25, -55.0], [-68.47, -55.53], [-69.0, -55.75], [-69.25, -55.65], [-69.5, -55.75], [-69.75, -55.65], [-70.0, -55.75], [-70.53, -55.53], [-70.75, -55.0], [-70.65, -54.75], [-70.75, -54.5], [-70.54, -54.0], [-70.68, -53.68], [-70.75, -53.65], [-71.0, -53.75], [-71.53, -53.53], [-71.75, -53.0], [-71.65, -52.75], [-71.68, -52.68], [-72.03, -52.53], [-72.25, -52.0]]]]}, "2015-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.25, -52.0], [-72.03, -51.47], [-71.5, -51.25], [-71.25, -51.35], [-71.12, -51.3], [-71.25, -51.0], [-71.03, -50.47], [-70.68, -50.32], [-70.53, -49.97], [-70.0, -49.75], [-69.47, -49.97], [-69.32, -50.32], [-68.97, -50.47], [-68.75, -51.0], [-68.85, -51.25], [-68.75, -51.5], [-68.85, -51.75], [-68.75, -52.0], [-68.87, -52.3], [-68.75, -52.35], [-68.5, -52.25], [-67.97, -52.47], [-67.75, -53.0], [-67.85, -53.25], [-67.82, -53.32], [-67.47, -53.47], [-67.25, -54.0], [-67.47, -54.53], [-68.0, -54.75], [-68.25, -54.65], [-68.37, -54.7], [-68.25, -55.0], [-68.47, -55.53], [-69.0, -55.75], [-69.25, -55.65], [-69.5, -55.75], [-69.75, -55.65], [-70.0, -55.75], [-70.53, -55.53], [-70.75, -55.0], [-70.65, -54.75], [-70.75, -54.5], [-70.54, -54.0], [-70.68, -53.68], [-70.75, -53.65], [-71.0, -53.75], [-71.53, -53.53], [-71.75, -53.0], [-71.65, -52.75], [-71.68, -52.68], [-72.03, -52.53], [-72.25, -52.0]]]]}, "2015-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.25, -52.0], [-72.03, -51.47], [-71.5, -51.25], [-71.25, -51.35], [-71.12, -51.3], [-71.25, -51.0], [-71.03, -50.47], [-70.68, -50.32], [-70.53, -49.97], [-70.0, -49.75], [-69.47, -49.97], [-69.32, -50.32], [-68.97, -50.47], [-68.75, -51.0], [-68.85, -51.25], [-68.75, -51.5], [-68.85, -51.75], [-68.75, -52.0], [-68.87, -52.3], [-68.75, -52.35], [-68.5, -52.25], [-67.97, -52.47], [-67.75, -53.0], [-67.85, -53.25], [-67.82, -53.32], [-67.47, -53.47], [-67.25, -54.0], [-67.47, -54.53], [-68.0, -54.75], [-68.25, -54.65], [-68.37, -54.7], [-68.25, -55.0], [-68.47, -55.53], [-69.0, -55.75], [-69.25, -55.65], [-69.5, -55.75], [-69.75, -55.65], [-70.0, -55.75], [-70.53, -55.53], [-70.75, -55.0], [-70.65, -54.75], [-70.75, -54.5], [-70.54, -54.0], [-70.68, -53.68], [-70.75, -53.65], [-71.0, -53.75], [-71.53, -53.53], [-71.75, -53.0], [-71.65, -52.75], [-71.68, -52.68], [-72.03, -52.53], [-72.25, -52.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.552201623249118}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.027002255679502}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.211639915105366, 10.859047755352321, 8.981152765829165]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.712092378376667, 15.098796395226884, 11.928352790935662]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.669761127715688, 5.21520563626275, 3.1960400030600677]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.364605400949074, 7.552201623249118, 4.164147853883037]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6954995040969343, 2.486137852082254, 1.6317096159753117]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2332551026261274, 2.936435500170983, 2.4977493416058985]}}