{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:57:29.886614", "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-Oct-08_to_2025-Oct-10_289.0_-38.0"}, "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": 2025100001306}, "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 08 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 10 2025"}, "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": 83390.05194979778}, "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.E.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": -38.0}, "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": 289.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "289.0\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": 295.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -38.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -35.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, -36.47], [-71.68, -36.32], [-71.53, -35.97], [-71.18, -35.82], [-71.03, -35.47], [-70.5, -35.25], [-70.0, -35.46], [-69.5, -35.25], [-68.97, -35.47], [-68.75, -36.0], [-68.85, -36.25], [-68.8, -36.38], [-68.5, -36.25], [-67.97, -36.47], [-67.82, -36.82], [-67.75, -36.85], [-67.5, -36.75], [-66.97, -36.97], [-66.82, -37.32], [-66.75, -37.35], [-66.5, -37.25], [-66.25, -37.35], [-66.18, -37.32], [-66.03, -36.97], [-65.5, -36.75], [-65.25, -36.85], [-65.0, -36.75], [-64.47, -36.97], [-64.25, -37.5], [-64.47, -38.03], [-64.82, -38.18], [-64.97, -38.53], [-65.5, -38.75], [-65.75, -38.65], [-66.0, -38.75], [-66.25, -38.65], [-66.5, -38.75], [-66.75, -38.65], [-67.0, -38.75], [-67.25, -38.65], [-67.5, -38.75], [-67.75, -38.65], [-68.0, -38.75], [-68.25, -38.65], [-68.32, -38.68], [-68.47, -39.03], [-69.0, -39.25], [-69.25, -39.15], [-69.5, -39.25], [-70.03, -39.03], [-70.18, -38.68], [-70.5, -38.54], [-71.0, -38.75], [-71.25, -38.65], [-71.5, -38.75], [-72.03, -38.53], [-72.25, -38.0], [-72.04, -37.5], [-72.25, -37.0], [-72.03, -36.47]]]]}, "2025-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, -36.47], [-71.68, -36.32], [-71.53, -35.97], [-71.18, -35.82], [-71.03, -35.47], [-70.5, -35.25], [-70.0, -35.46], [-69.5, -35.25], [-68.97, -35.47], [-68.75, -36.0], [-68.85, -36.25], [-68.8, -36.38], [-68.5, -36.25], [-67.97, -36.47], [-67.82, -36.82], [-67.75, -36.85], [-67.5, -36.75], [-66.97, -36.97], [-66.82, -37.32], [-66.75, -37.35], [-66.5, -37.25], [-66.25, -37.35], [-66.18, -37.32], [-66.03, -36.97], [-65.5, -36.75], [-65.25, -36.85], [-65.0, -36.75], [-64.47, -36.97], [-64.25, -37.5], [-64.47, -38.03], [-64.82, -38.18], [-64.97, -38.53], [-65.5, -38.75], [-65.75, -38.65], [-66.0, -38.75], [-66.25, -38.65], [-66.5, -38.75], [-66.75, -38.65], [-67.0, -38.75], [-67.25, -38.65], [-67.5, -38.75], [-67.75, -38.65], [-68.0, -38.75], [-68.25, -38.65], [-68.32, -38.68], [-68.47, -39.03], [-69.0, -39.25], [-69.25, -39.15], [-69.5, -39.25], [-70.03, -39.03], [-70.18, -38.68], [-70.5, -38.54], [-71.0, -38.75], [-71.25, -38.65], [-71.5, -38.75], [-72.03, -38.53], [-72.25, -38.0], [-72.04, -37.5], [-72.25, -37.0], [-72.03, -36.47]]]]}, "2025-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, -36.47], [-71.68, -36.32], [-71.53, -35.97], [-71.18, -35.82], [-71.03, -35.47], [-70.5, -35.25], [-70.0, -35.46], [-69.5, -35.25], [-68.97, -35.47], [-68.75, -36.0], [-68.85, -36.25], [-68.8, -36.38], [-68.5, -36.25], [-67.97, -36.47], [-67.82, -36.82], [-67.75, -36.85], [-67.5, -36.75], [-66.97, -36.97], [-66.82, -37.32], [-66.75, -37.35], [-66.5, -37.25], [-66.25, -37.35], [-66.18, -37.32], [-66.03, -36.97], [-65.5, -36.75], [-65.25, -36.85], [-65.0, -36.75], [-64.47, -36.97], [-64.25, -37.5], [-64.47, -38.03], [-64.82, -38.18], [-64.97, -38.53], [-65.5, -38.75], [-65.75, -38.65], [-66.0, -38.75], [-66.25, -38.65], [-66.5, -38.75], [-66.75, -38.65], [-67.0, -38.75], [-67.25, -38.65], [-67.5, -38.75], [-67.75, -38.65], [-68.0, -38.75], [-68.25, -38.65], [-68.32, -38.68], [-68.47, -39.03], [-69.0, -39.25], [-69.25, -39.15], [-69.5, -39.25], [-70.03, -39.03], [-70.18, -38.68], [-70.5, -38.54], [-71.0, -38.75], [-71.25, -38.65], [-71.5, -38.75], [-72.03, -38.53], [-72.25, -38.0], [-72.04, -37.5], [-72.25, -37.0], [-72.03, -36.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.05504938314607}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.560104971774578}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.392871213426758, 17.16025718240178, 15.177033846986092]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.186354573567712, 23.937828318278036, 22.051746622721396]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.147640323257411, 6.83081231875373, 4.701862273312601]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.46840218390156, 9.05504938314607, 6.5885067485044715]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.676845205316209, 2.1969854705479754, 1.539904027122106]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.483895074242517, 2.8009887066583654, 1.9766094172303017]}}