{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:15.087298", "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-12_300.5_-5.5"}, "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": 2025100000288}, "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 12 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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 67781.75501090009}, "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": ["Brazil"]}, "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": []}, "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": -5.5}, "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": 300.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "300.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 297.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 301.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-59.32, -4.82], [-59.25, -4.85], [-59.0, -4.75], [-58.47, -4.97], [-58.25, -5.5], [-58.47, -6.03], [-59.0, -6.25], [-59.25, -6.15], [-59.5, -6.25], [-60.03, -6.03], [-60.18, -5.68], [-60.25, -5.65], [-60.32, -5.68], [-60.47, -6.03], [-61.0, -6.25], [-61.25, -6.15], [-61.5, -6.25], [-61.75, -6.15], [-61.82, -6.18], [-61.97, -6.53], [-62.5, -6.75], [-63.03, -6.53], [-63.25, -6.0], [-63.15, -5.75], [-63.18, -5.68], [-63.53, -5.53], [-63.75, -5.0], [-63.53, -4.47], [-63.0, -4.25], [-62.75, -4.35], [-62.63, -4.3], [-62.62, -4.3], [-62.75, -4.0], [-62.65, -3.75], [-62.75, -3.5], [-62.53, -2.97], [-62.18, -2.82], [-62.15, -2.75], [-62.25, -2.5], [-62.03, -1.97], [-61.5, -1.75], [-60.97, -1.97], [-60.82, -2.32], [-60.47, -2.47], [-60.32, -2.82], [-59.97, -2.97], [-59.75, -3.5], [-59.85, -3.75], [-59.75, -4.0], [-59.87, -4.3], [-59.47, -4.47], [-59.32, -4.82]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", 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