{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:24.853022", "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-06_to_2025-Oct-10_285.5_-41.0"}, "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": 2025100001264}, "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 06 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": 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": 60134.15830692128}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["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": -41.0}, "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": 285.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "285.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 284.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 287.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -43.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -40.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-76.53, -39.97], [-76.0, -39.75], [-75.75, -39.85], [-75.5, -39.75], [-75.25, -39.85], [-75.0, -39.75], [-74.47, -39.97], [-74.32, -40.32], [-74.25, -40.35], [-74.0, -40.25], [-73.75, -40.35], [-73.5, -40.25], [-73.25, -40.35], [-73.0, -40.25], [-72.47, -40.47], [-72.25, -41.0], [-72.35, -41.25], [-72.25, -41.5], [-72.35, -41.75], [-72.25, -42.0], [-72.35, -42.25], [-72.25, -42.5], [-72.47, -43.03], [-72.82, -43.18], [-72.97, -43.53], [-73.5, -43.75], [-74.03, -43.53], [-74.18, -43.18], [-74.25, -43.15], [-74.5, -43.25], [-75.03, -43.03], [-75.18, -42.68], [-75.53, -42.53], [-75.7, -42.12], [-76.0, -42.25], [-76.53, -42.03], [-76.75, -41.5], [-76.65, -41.25], [-76.75, -41.0], [-76.65, -40.75], [-76.75, -40.5], [-76.53, -39.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.W.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.75, -41.0], [-76.64999999999998, -40.75], [-76.75, -40.5], [-76.52999999999997, -39.97], [-76.0, -39.75], [-75.75, -39.85], [-75.5, -39.75], [-75.25, -39.85], [-75.0, -39.75], [-74.47000000000003, -39.97], [-74.32, -40.32], [-73.97000000000003, -40.47], [-73.75, -41.0], [-73.97000000000003, -41.53], [-74.5, -41.75], [-74.75, -41.65], [-75.0, -41.75], [-75.25, -41.65], [-75.32, -41.68], [-75.47000000000003, -42.03], [-76.0, -42.25], [-76.52999999999997, -42.03], [-76.75, -41.5], [-76.64999999999998, -41.25], [-76.75, -41.0]]]]}, "2025-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.75, -41.0], [-76.64999999999998, -40.75], [-76.75, -40.5], [-76.52999999999997, -39.97], [-76.0, -39.75], [-75.75, -39.85], [-75.5, -39.75], [-75.25, -39.85], [-75.0, -39.75], [-74.47000000000003, -39.97], [-74.32, -40.32], [-74.25, -40.35], [-74.0, -40.25], [-73.75, -40.35], [-73.5, -40.25], [-73.25, -40.35], [-73.0, -40.25], [-72.47000000000003, -40.47], [-72.25, -41.0], [-72.35000000000002, -41.25], [-72.25, -41.5], [-72.35000000000002, -41.75], [-72.25, -42.0], [-72.35000000000002, -42.25], [-72.25, -42.5], [-72.47000000000003, -43.03], [-72.82, -43.18], [-72.97000000000003, -43.53], [-73.5, -43.75], [-74.02999999999997, -43.53], [-74.18, -43.18], [-74.25, -43.15], [-74.5, -43.25], [-75.02999999999997, -43.03], [-75.18, -42.68], [-75.52999999999997, -42.53], [-75.69999999999999, -42.12], [-76.0, -42.25], [-76.52999999999997, -42.03], [-76.75, -41.5], [-76.64999999999998, -41.25], [-76.75, -41.0]]]]}, "2025-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.75, -41.0], [-76.64999999999998, -40.75], [-76.75, -40.5], [-76.52999999999997, -39.97], [-76.0, -39.75], [-75.75, -39.85], [-75.5, -39.75], [-75.25, -39.85], [-75.0, -39.75], [-74.47000000000003, -39.97], [-74.32, -40.32], [-74.25, -40.35], [-74.0, -40.25], [-73.75, -40.35], [-73.5, -40.25], [-73.25, -40.35], [-73.0, -40.25], [-72.47000000000003, -40.47], [-72.25, -41.0], [-72.35000000000002, 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of mean t2m anomalies.", "value": [1.2148565242080096, 1.703148277935539, 1.7761494541402736, 1.8234170439368733, 1.4111593737429569]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.318805622613695, 3.137198240236785, 3.189310320244715, 3.0695943435163713, 2.047181994241214]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.349058311843529, 1.558194350894726, 1.6055768351703845, 1.6590859800299105, 1.3893811499566115]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4384576392192623, 2.1045472332241673, 2.161115857959748, 1.9218719248462042, 1.5162243513169311]}}