{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:36:46.940600", "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": "2023-Oct-17_to_2023-Oct-19_291.0_-47.0"}, "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": 2023100001457}, "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 17 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 19 2023"}, "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": 50884.829222980894}, "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", "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": -47.0}, "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": 291.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "291.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 287.75}, "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": -48.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -45.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.65, -45.75], [-72.75, -45.5], [-72.53, -44.97], [-72.0, -44.75], [-71.75, -44.85], [-71.5, -44.75], [-71.25, -44.85], [-71.0, -44.75], [-70.75, -44.85], [-70.5, -44.75], [-69.97, -44.97], [-69.82, -45.32], [-69.47, -45.47], [-69.25, -46.0], [-69.37, -46.3], [-69.25, -46.35], [-69.0, -46.25], [-68.75, -46.35], [-68.5, -46.25], [-67.97, -46.47], [-67.82, -46.82], [-67.47, -46.97], [-67.25, -47.5], [-67.47, -48.03], [-68.0, -48.25], [-68.25, -48.15], [-68.5, -48.25], [-69.0, -48.04], [-69.5, -48.25], [-69.8, -48.12], [-69.97, -48.53], [-70.5, -48.75], [-70.75, -48.65], [-71.0, -48.75], [-71.53, -48.53], [-71.75, -48.0], [-71.65, -47.75], [-71.75, -47.5], [-71.65, -47.25], [-71.7, -47.12], [-72.0, -47.25], [-72.53, -47.03], [-72.75, -46.5], [-72.65, -46.25], [-72.75, -46.0], [-72.65, -45.75]]]]}, "2023-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.65, -45.75], [-72.75, -45.5], [-72.53, -44.97], [-72.0, -44.75], [-71.75, -44.85], [-71.5, -44.75], [-71.25, -44.85], [-71.0, -44.75], [-70.75, -44.85], [-70.5, -44.75], [-69.97, -44.97], [-69.82, -45.32], [-69.47, -45.47], [-69.25, -46.0], [-69.37, -46.3], [-69.25, -46.35], [-69.0, -46.25], [-68.75, -46.35], [-68.5, -46.25], [-67.97, -46.47], [-67.82, -46.82], [-67.47, -46.97], [-67.25, -47.5], [-67.47, -48.03], [-68.0, -48.25], [-68.25, -48.15], [-68.5, -48.25], [-69.0, -48.04], [-69.5, -48.25], [-69.8, -48.12], [-69.97, -48.53], [-70.5, -48.75], [-70.75, -48.65], [-71.0, -48.75], [-71.53, -48.53], [-71.75, -48.0], [-71.65, -47.75], [-71.75, -47.5], [-71.65, -47.25], [-71.7, -47.12], [-72.0, -47.25], [-72.53, -47.03], [-72.75, -46.5], [-72.65, -46.25], [-72.75, -46.0], [-72.65, -45.75]]]]}, "2023-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.65, -45.75], [-72.75, -45.5], [-72.53, -44.97], [-72.0, -44.75], [-71.75, -44.85], [-71.5, -44.75], [-71.25, -44.85], [-71.0, -44.75], [-70.75, -44.85], [-70.5, -44.75], [-69.97, -44.97], [-69.82, -45.32], [-69.47, -45.47], [-69.25, -46.0], [-69.37, -46.3], [-69.25, -46.35], [-69.0, -46.25], [-68.75, -46.35], [-68.5, -46.25], [-67.97, -46.47], [-67.82, -46.82], [-67.47, -46.97], [-67.25, -47.5], [-67.47, -48.03], [-68.0, -48.25], [-68.25, -48.15], [-68.5, -48.25], [-69.0, -48.04], [-69.5, -48.25], [-69.8, -48.12], [-69.97, -48.53], [-70.5, -48.75], [-70.75, -48.65], [-71.0, -48.75], [-71.53, -48.53], [-71.75, -48.0], [-71.65, -47.75], [-71.75, -47.5], [-71.65, -47.25], [-71.7, -47.12], [-72.0, -47.25], [-72.53, -47.03], [-72.75, -46.5], [-72.65, -46.25], [-72.75, -46.0], [-72.65, -45.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.265489504941968}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.415979871886507}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.8855342182041, 13.77867421061677, 12.779466251712222]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.326603250633184, 18.712585050198584, 18.159680463064717]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.5896701833989226, 5.375313163802834, 4.282956268457764]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.449320344882096, 6.265489504941968, 5.99265222377835]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4467420055511713, 2.117861040731817, 1.6663219562906633]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7054004200913468, 2.495826234184226, 2.216086909918209]}}