{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:19:17.698122", "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": "2020-Mar-14_to_2020-Mar-17_287.5_-53.5"}, "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": 2020030001736}, "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": "March 14 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 17 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 79837.09685108582}, "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": ["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": -53.5}, "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": 287.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 284.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 290.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -54.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -47.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.15, -48.25], [-76.25, -48.0], [-76.03, -47.47], [-75.5, -47.25], [-74.97, -47.47], [-74.75, -48.0], [-74.85, -48.25], [-74.75, -48.5], [-74.85, -48.75], [-74.82, -48.82], [-74.47, -48.97], [-74.25, -49.5], [-74.35, -49.75], [-74.32, -49.82], [-74.25, -49.85], [-74.0, -49.75], [-73.47, -49.97], [-73.32, -50.32], [-73.25, -50.35], [-73.0, -50.25], [-72.47, -50.47], [-72.32, -50.82], [-71.97, -50.97], [-71.82, -51.32], [-71.47, -51.47], [-71.32, -51.82], [-71.25, -51.85], [-71.0, -51.75], [-70.47, -51.97], [-70.32, -52.32], [-69.97, -52.47], [-69.82, -52.82], [-69.47, -52.97], [-69.25, -53.5], [-69.35, -53.75], [-69.25, -54.0], [-69.47, -54.53], [-70.0, -54.75], [-70.25, -54.65], [-70.5, -54.75], [-70.75, -54.65], [-71.0, -54.75], [-71.25, -54.65], [-71.5, -54.75], [-72.03, -54.53], [-72.18, -54.18], [-72.25, -54.15], [-72.5, -54.25], [-73.03, -54.03], [-73.18, -53.68], [-73.53, -53.53], [-73.68, -53.18], [-74.03, -53.03], [-74.25, -52.5], [-74.15, -52.25], [-74.18, -52.18], [-74.25, -52.15], [-74.5, -52.25], [-75.03, -52.03], [-75.25, -51.5], [-75.15, -51.25], [-75.25, -51.0], [-75.15, -50.75], [-75.18, -50.68], [-75.53, -50.53], [-75.75, -50.0], [-75.65, -49.75], [-75.68, -49.68], [-76.03, -49.53], [-76.25, -49.0], [-76.15, -48.75], [-76.25, -48.5], [-76.15, -48.25]]]]}, "2020-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.15, -48.25], [-76.25, -48.0], [-76.03, -47.47], [-75.5, -47.25], [-74.97, -47.47], [-74.75, -48.0], [-74.85, -48.25], [-74.75, -48.5], [-74.85, -48.75], [-74.82, -48.82], [-74.47, -48.97], [-74.25, -49.5], [-74.35, -49.75], [-74.32, -49.82], [-74.25, -49.85], [-74.0, -49.75], [-73.47, -49.97], [-73.32, -50.32], [-73.25, -50.35], [-73.0, -50.25], [-72.47, -50.47], [-72.32, -50.82], [-71.97, -50.97], [-71.82, -51.32], [-71.47, -51.47], [-71.32, -51.82], [-71.25, -51.85], [-71.0, -51.75], [-70.47, -51.97], [-70.32, -52.32], [-69.97, -52.47], [-69.82, -52.82], [-69.47, -52.97], [-69.25, -53.5], [-69.35, -53.75], [-69.25, -54.0], [-69.47, -54.53], [-70.0, -54.75], [-70.25, -54.65], [-70.5, -54.75], [-70.75, -54.65], [-71.0, -54.75], [-71.25, -54.65], [-71.5, -54.75], [-72.03, -54.53], [-72.18, -54.18], [-72.25, -54.15], [-72.5, -54.25], [-73.03, -54.03], [-73.18, -53.68], [-73.53, -53.53], [-73.68, -53.18], [-74.03, -53.03], [-74.25, -52.5], [-74.15, -52.25], [-74.18, -52.18], [-74.25, -52.15], [-74.5, -52.25], [-75.03, -52.03], [-75.25, -51.5], [-75.15, -51.25], [-75.25, -51.0], [-75.15, -50.75], [-75.18, -50.68], [-75.53, -50.53], [-75.75, -50.0], [-75.65, -49.75], [-75.68, -49.68], [-76.03, -49.53], [-76.25, -49.0], [-76.15, -48.75], [-76.25, -48.5], [-76.15, -48.25]]]]}, "2020-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.15, -48.25], [-76.25, -48.0], [-76.03, -47.47], [-75.5, -47.25], [-74.97, -47.47], [-74.75, -48.0], [-74.85, -48.25], [-74.75, -48.5], [-74.85, -48.75], [-74.82, -48.82], [-74.47, -48.97], [-74.25, -49.5], [-74.35, -49.75], [-74.32, -49.82], [-74.25, -49.85], [-74.0, -49.75], [-73.47, -49.97], [-73.32, -50.32], [-73.25, -50.35], [-73.0, -50.25], [-72.47, -50.47], [-72.32, -50.82], [-71.97, -50.97], [-71.82, -51.32], [-71.47, -51.47], [-71.32, -51.82], [-71.25, -51.85], [-71.0, -51.75], [-70.47, -51.97], [-70.32, -52.32], [-69.97, -52.47], [-69.82, -52.82], [-69.47, -52.97], [-69.25, -53.5], [-69.35, -53.75], [-69.25, -54.0], [-69.47, -54.53], [-70.0, -54.75], [-70.25, -54.65], [-70.5, -54.75], [-70.75, -54.65], [-71.0, -54.75], [-71.25, -54.65], [-71.5, -54.75], [-72.03, -54.53], [-72.18, -54.18], [-72.25, -54.15], [-72.5, -54.25], [-73.03, -54.03], [-73.18, -53.68], [-73.53, -53.53], [-73.68, -53.18], [-74.03, -53.03], [-74.25, -52.5], [-74.15, -52.25], [-74.18, -52.18], [-74.25, -52.15], [-74.5, -52.25], [-75.03, -52.03], [-75.25, -51.5], [-75.15, -51.25], [-75.25, -51.0], [-75.15, -50.75], [-75.18, -50.68], [-75.53, -50.53], [-75.75, -50.0], [-75.65, -49.75], [-75.68, -49.68], [-76.03, -49.53], [-76.25, -49.0], [-76.15, -48.75], [-76.25, -48.5], [-76.15, -48.25]]]]}, "2020-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.03, -54.03], [-73.25, -53.5], [-73.03, -52.97], [-72.5, -52.75], [-71.97, -52.97], [-71.8, -53.38], [-71.5, -53.25], [-70.97, -53.47], [-70.75, -54.0], [-70.97, -54.53], [-71.5, -54.75], [-72.03, -54.53], [-72.2, -54.12], [-72.5, -54.25], [-73.03, -54.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.707878746590438}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.6784179555694014}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.76732824435328, 12.67183955337947, 10.856115243242641, 9.751798923928618]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.85579784154396, 15.291447868132025, 13.021634064629495, 9.950142605138069]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.9828706441431145, 4.945361733380446, 3.151112953317797, 2.7524972087731783]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.699448811451873, 6.707878746590438, 4.327508224024541, 2.774355635082941]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5364623123028682, 2.5398642810290406, 1.65088535275205, 1.3846945403003539]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.738081134120923, 2.926334236827707, 1.9997507334602502, 1.3940927615662508]}}