{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:59.189785", "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": "2017-Sep-21_to_2017-Sep-23_286.0_-50.5"}, "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": 2017090002335}, "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": "September 21 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 23 2017"}, "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": 92691.71348580338}, "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": -50.5}, "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": 286.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "286.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 284.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 289.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -51.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -46.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.75, -48.0], [-75.53, -47.47], [-75.0, -47.25], [-74.75, -47.35], [-74.5, -47.25], [-74.25, -47.35], [-74.18, -47.32], [-74.15, -47.25], [-74.25, -47.0], [-74.03, -46.47], [-73.5, -46.25], [-72.97, -46.47], [-72.75, -47.0], [-72.53, -46.47], [-72.0, -46.25], [-71.47, -46.47], [-71.32, -46.82], [-70.97, -46.97], [-70.82, -47.32], [-70.47, -47.47], [-70.25, -48.0], [-70.35, -48.25], [-70.25, -48.5], [-70.47, -49.03], [-70.82, -49.18], [-70.85, -49.25], [-70.82, -49.32], [-70.47, -49.47], [-70.25, -50.0], [-70.47, -50.53], [-70.82, -50.68], [-70.96, -51.0], [-70.75, -51.5], [-70.97, -52.03], [-71.5, -52.25], [-71.75, -52.15], [-72.0, -52.25], [-72.53, -52.03], [-72.68, -51.68], [-72.8, -51.62], [-72.97, -52.03], [-73.5, -52.25], [-74.03, -52.03], [-74.18, -51.68], [-74.53, -51.53], [-74.68, -51.18], [-75.03, -51.03], [-75.25, -50.5], [-75.15, -50.25], [-75.25, -50.0], [-75.15, -49.75], [-75.25, -49.5], [-75.15, -49.25], [-75.25, -49.0], [-75.15, -48.75], [-75.18, -48.68], [-75.53, -48.53], [-75.75, -48.0]], [[-72.85, -47.25], [-72.82, -47.32], [-72.75, -47.35], [-72.62, -47.3], [-72.75, -47.0], [-72.85, -47.25]]]]}, "2017-09-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.75, -48.0], [-75.53, -47.47], [-75.0, -47.25], [-74.75, -47.35], [-74.5, -47.25], [-74.25, -47.35], [-74.18, -47.32], [-74.15, -47.25], [-74.25, -47.0], [-74.03, -46.47], [-73.5, -46.25], [-72.97, -46.47], [-72.75, -47.0], [-72.53, -46.47], [-72.0, -46.25], [-71.47, -46.47], [-71.32, -46.82], [-70.97, -46.97], [-70.82, -47.32], [-70.47, -47.47], [-70.25, -48.0], [-70.35, -48.25], [-70.25, -48.5], [-70.47, -49.03], [-70.82, -49.18], [-70.85, -49.25], [-70.82, -49.32], [-70.47, -49.47], [-70.25, -50.0], [-70.47, -50.53], [-70.82, -50.68], [-70.96, -51.0], [-70.75, -51.5], [-70.97, -52.03], [-71.5, -52.25], [-71.75, -52.15], [-72.0, -52.25], [-72.53, -52.03], [-72.68, -51.68], [-72.8, -51.62], [-72.97, -52.03], [-73.5, -52.25], [-74.03, -52.03], [-74.18, -51.68], [-74.53, -51.53], [-74.68, -51.18], [-75.03, -51.03], [-75.25, -50.5], [-75.15, -50.25], [-75.25, -50.0], [-75.15, -49.75], [-75.25, -49.5], [-75.15, -49.25], [-75.25, -49.0], [-75.15, -48.75], [-75.18, -48.68], [-75.53, -48.53], [-75.75, -48.0]], [[-72.85, -47.25], [-72.82, -47.32], [-72.75, -47.35], [-72.62, -47.3], [-72.75, -47.0], [-72.85, -47.25]]]]}, "2017-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.75, -48.0], [-75.53, -47.47], [-75.0, -47.25], [-74.75, -47.35], [-74.5, -47.25], [-74.25, -47.35], [-74.18, -47.32], [-74.15, -47.25], [-74.25, -47.0], [-74.03, -46.47], [-73.5, -46.25], [-72.97, -46.47], [-72.75, -47.0], [-72.53, -46.47], [-72.0, -46.25], [-71.47, -46.47], [-71.32, -46.82], [-70.97, -46.97], [-70.82, -47.32], [-70.47, -47.47], [-70.25, -48.0], [-70.35, -48.25], [-70.25, -48.5], [-70.47, -49.03], [-70.82, -49.18], [-70.85, -49.25], [-70.82, -49.32], [-70.47, -49.47], [-70.25, -50.0], [-70.47, -50.53], [-70.82, -50.68], [-70.96, -51.0], [-70.75, -51.5], [-70.97, -52.03], [-71.5, -52.25], [-71.75, -52.15], [-72.0, -52.25], [-72.53, -52.03], [-72.68, -51.68], [-72.8, -51.62], [-72.97, -52.03], [-73.5, -52.25], [-74.03, -52.03], [-74.18, -51.68], [-74.53, -51.53], [-74.68, -51.18], [-75.03, -51.03], [-75.25, -50.5], [-75.15, -50.25], [-75.25, -50.0], [-75.15, -49.75], [-75.25, -49.5], [-75.15, -49.25], [-75.25, -49.0], [-75.15, -48.75], [-75.18, -48.68], [-75.53, -48.53], [-75.75, -48.0]], [[-72.85, -47.25], [-72.82, -47.32], [-72.75, -47.35], [-72.62, -47.3], [-72.75, -47.0], [-72.85, -47.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.432978537879876}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.0055306603447423}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [5.326225450586719, 4.545064311793396, 4.8557359217911085]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.491935865913263, 8.584126730516573, 8.734917281001515]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.540282998323729, 2.665056093981115, 2.811252888729383]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.432978537879876, 3.5654637772429396, 3.862147254875822]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.934894234568204, 1.410413417284168, 1.4308222985820096]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.6879604080793547, 1.6930096488152944, 2.1637095322757904]}}