{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:54:23.595497", "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": "2025-Jan-09_to_2025-Jan-13_288.0_-36.0"}, "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": 2025010001410}, "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 09 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 13 2025"}, "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": 52352.11904147487}, "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.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": -36.0}, "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": 288.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 287.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 289.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -37.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -34.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.15, -36.25], [-73.25, -36.0], [-73.03, -35.47], [-72.68, -35.32], [-72.53, -34.97], [-72.0, -34.75], [-71.75, -34.85], [-71.5, -34.75], [-71.25, -34.85], [-71.0, -34.75], [-70.47, -34.97], [-70.25, -35.5], [-70.35, -35.75], [-70.25, -36.0], [-70.35, -36.25], [-70.25, -36.5], [-70.47, -37.03], [-71.0, -37.25], [-71.25, -37.15], [-71.32, -37.18], [-71.47, -37.53], [-72.0, -37.75], [-72.25, -37.65], [-72.5, -37.75], [-73.03, -37.53], [-73.25, -37.0], [-73.15, -36.75], [-73.25, -36.5], [-73.15, -36.25]]]]}, "2025-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.15, -36.25], [-73.25, -36.0], [-73.03, -35.47], [-72.68, -35.32], [-72.53, -34.97], [-72.18, -34.82], [-72.03, -34.47], [-71.68, -34.32], [-71.53, -33.97], [-71.0, -33.75], [-70.47, -33.97], [-70.25, -34.5], [-70.46, -35.0], [-70.32, -35.32], [-69.97, -35.47], [-69.75, -36.0], [-69.85, -36.25], [-69.75, -36.5], [-69.85, -36.75], [-69.75, -37.0], [-69.97, -37.53], [-70.5, -37.75], [-70.75, -37.65], [-70.82, -37.68], [-70.97, -38.03], [-71.5, -38.25], [-72.03, -38.03], [-72.18, -37.68], [-72.25, -37.65], [-72.5, -37.75], [-73.03, -37.53], [-73.25, -37.0], [-73.15, -36.75], [-73.25, -36.5], [-73.15, -36.25]]]]}, "2025-01-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.15, -36.25], [-73.25, -36.0], [-73.03, -35.47], [-72.68, -35.32], [-72.53, -34.97], [-72.18, -34.82], [-72.03, -34.47], [-71.68, -34.32], [-71.53, -33.97], [-71.0, -33.75], [-70.47, -33.97], [-70.25, -34.5], [-70.46, -35.0], [-70.32, -35.32], [-69.97, -35.47], [-69.75, -36.0], [-69.85, -36.25], [-69.75, -36.5], [-69.85, -36.75], [-69.75, -37.0], [-69.97, -37.53], [-70.5, -37.75], [-70.75, -37.65], [-70.82, -37.68], [-70.97, -38.03], [-71.5, -38.25], [-72.03, -38.03], [-72.18, -37.68], [-72.25, -37.65], [-72.5, -37.75], [-73.03, -37.53], [-73.25, -37.0], [-73.15, -36.75], [-73.25, -36.5], [-73.15, -36.25]]]]}, "2025-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.15, -36.25], [-73.25, -36.0], [-73.03, -35.47], [-72.68, -35.32], [-72.53, -34.97], [-72.18, -34.82], [-72.03, -34.47], [-71.68, -34.32], [-71.53, -33.97], [-71.0, -33.75], [-70.47, -33.97], [-70.25, -34.5], [-70.46, -35.0], [-70.32, -35.32], [-69.97, -35.47], [-69.75, -36.0], [-69.85, -36.25], [-69.75, -36.5], [-69.85, -36.75], [-69.75, -37.0], [-69.97, -37.53], [-70.5, -37.75], [-70.75, -37.65], [-70.82, -37.68], [-70.97, -38.03], [-71.5, -38.25], [-72.03, -38.03], [-72.18, -37.68], [-72.25, -37.65], [-72.5, -37.75], [-73.03, -37.53], [-73.25, -37.0], [-73.15, -36.75], [-73.25, -36.5], [-73.15, -36.25]]]]}, "2025-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.75, -36.0], [-72.53, -35.47], [-72.18, -35.32], [-72.03, -34.97], [-71.5, -34.75], [-70.97, -34.97], [-70.82, -35.32], [-70.47, -35.47], [-70.32, -35.82], [-69.97, -35.97], [-69.75, -36.5], [-69.85, -36.75], [-69.75, -37.0], [-69.97, -37.53], [-70.5, -37.75], [-70.75, -37.65], [-71.0, -37.75], [-71.53, -37.53], [-71.68, -37.18], [-72.03, -37.03], [-72.18, -36.68], [-72.53, -36.53], [-72.75, -36.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.025114306295791}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.3478254744399263}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.32647006695089, 19.4951968843975, 20.23376223851767, 21.175644780719153, 18.578123841462343]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.237790679931663, 24.524048105875693, 24.53202845255538, 25.367256418863974, 22.845955149332724]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5250980696286898, 2.8242651470955322, 3.5296652141366796, 4.429267677139665, 2.8101924018234854]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2342714694175925, 3.4593317503769185, 4.5866777049009215, 7.025114306295791, 3.4899295514262576]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4780556143701697, 1.5207623936583414, 1.8907593833668623, 2.3553495467631453, 1.4024229758797786]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7930790560146066, 1.8753691708405509, 2.3339189150045474, 2.9387071080397242, 1.5629919028056964]}}