{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:07.835330", "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-Sep-25_to_2025-Oct-02_287.5_-12.0"}, "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": 2025090002586}, "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 25 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 02 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 154210.67048812154}, "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": ["Bolivia, Plurinational State of", "Peru"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": -12.0}, "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": 287.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-74.15, -11.25], [-74.25, -11.0], [-74.15, -10.75], [-74.25, -10.5], [-74.03, -9.97], [-73.68, -9.82], [-73.53, -9.47], 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"description": "List of all IPCC regions affected", "value": ["N.W.South-America", "South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.02999999999997, -11.53], [-74.25, -11.0], [-74.02999999999997, -10.47], [-73.68, -10.32], [-73.52999999999997, -9.97], [-73.0, -9.75], [-72.75, -9.85], [-72.5, -9.75], [-72.25, -9.85], [-72.0, -9.75], [-71.75, -9.85], [-71.5, -9.75], [-70.97000000000003, -9.97], [-70.75, -10.5], [-70.85000000000002, -10.75], [-70.82, -10.82], [-70.47000000000003, -10.97], [-70.25, -11.5], [-70.35000000000002, -11.75], [-70.32, -11.82], [-69.97000000000003, -11.97], [-69.75, -12.5], [-69.97000000000003, -13.03], [-70.5, -13.25], [-70.75, -13.15], [-71.0, -13.25], [-71.52999999999997, -13.03], [-71.68, -12.68], [-72.0, -12.54], [-72.5, -12.75], [-72.75, -12.65], [-73.0, -12.75], 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