{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:50:14.760149", "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": "2023-Jan-08_to_2023-Jan-14_268.5_0.0"}, "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": 2023010000464}, "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": "January 08 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 14 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 105069.22690916722}, "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": ["Ecuador"]}, "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": 0.0}, "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": 268.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "268.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 267.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 270.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.0}, "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": [[[[-89.35, -0.75], [-89.25, -1.0], [-89.47, -1.53], [-90.0, -1.75], [-90.53, -1.53], [-90.75, -1.0], [-90.65, -0.75], [-90.75, -0.5], [-90.65, -0.25], [-90.68, -0.18], [-90.75, -0.15], [-90.82, -0.18], [-90.97, -0.53], [-91.32, -0.68], [-91.47, -1.03], [-92.0, -1.25], [-92.25, -1.15], [-92.5, -1.25], [-93.03, -1.03], [-93.18, -0.68], [-93.53, -0.53], [-93.75, 0.0], [-93.65, 0.25], [-93.75, 0.5], [-93.65, 0.75], [-93.75, 1.0], [-93.65, 1.25], [-93.75, 1.5], [-93.65, 1.75], [-93.75, 2.0], [-93.53, 2.53], [-93.0, 2.75], [-92.75, 2.65], [-92.5, 2.75], [-92.25, 2.65], [-92.18, 2.68], [-92.03, 3.03], [-91.5, 3.25], [-91.25, 3.15], [-91.0, 3.25], [-90.47, 3.03], [-90.32, 2.68], [-89.97, 2.53], [-89.75, 2.0], [-89.85, 1.75], [-89.75, 1.5], [-89.85, 1.25], [-89.82, 1.18], [-89.47, 1.03], [-89.25, 0.5], [-89.35, 0.25], [-89.25, 0.0], [-89.35, -0.25], [-89.25, -0.5], [-89.35, -0.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of 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duration", "value": -2.400024791904002}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.6251095988103919}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.816494652920653, 23.31148171447751, 22.699222053314088, 22.73568491507865, 22.371207609645182, 22.385693006636018, 21.81836625420607]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.552893000671304, 22.352784713869312, 20.748900628413082, 20.696592250390893, 21.038895976898914, 21.191941093914522, 21.176636582212893]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.3499786715174575, -1.3698737759370374, -1.6812059729038102, -1.6945126383999354, -1.6626606278231217, -1.6681011185312304, -1.7246427785604794]}, "anom_evo_maxamp": {"name": 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