{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:38.962491", "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-31_to_2025-Nov-05_286.0_-36.5"}, "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": 2025100002654}, "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 31 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 05 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 59617.3887694564}, "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": -36.5}, "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": 283.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 286.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -39.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -33.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-74.25, -39.15], [-74.5, -39.25], [-75.03, -39.03], [-75.18, -38.68], [-75.53, -38.53], [-75.75, -38.0], [-75.65, 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"value": ["S.W.South-America", "S.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.75, -33.5], [-77.52999999999997, -32.97], [-77.0, -32.75], [-76.47000000000003, -32.97], [-76.25, -33.5], [-76.35000000000002, -33.75], [-76.32, -33.82], [-75.97000000000003, -33.97], [-75.82, -34.32], [-75.47000000000003, -34.47], [-75.32, -34.82], [-74.97000000000003, -34.97], [-74.80000000000001, -35.38], [-74.5, -35.25], [-73.97000000000003, -35.47], [-73.82, -35.82], [-73.47000000000003, -35.97], [-73.25, -36.5], [-73.35000000000002, -36.75], [-73.25, -37.0], [-73.47000000000003, -37.53], [-73.82, -37.68], [-73.97000000000003, -38.03], [-74.5, -38.25], [-75.02999999999997, -38.03], [-75.25, -37.5], [-75.14999999999998, -37.25], [-75.25, -37.0], [-75.14999999999998, -36.75], [-75.25, -36.5], [-75.14999999999998, -36.25], 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anomalies.", "value": [1.0351955835945608, 1.1126561819110807, 1.0275355489400273, 1.1573259733938945, 1.0862159122298654, 1.3471310664340308]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1669923118971042, 1.2922203625898874, 1.220615803652322, 1.4829304343729177, 1.140393202245491, 1.3471310664340308]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4020309935385422, 1.5261604591400741, 1.4393565583391386, 1.5764275997959396, 1.403297156457733, 1.5519038417843847]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.61840316613132, 1.7628209353869293, 1.6543026429810892, 1.8952626580444365, 1.4800658461770204, 1.5519038417843847]}}