{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:42.719329", "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": "2014-Nov-02_to_2014-Nov-05_297.0_-26.5"}, "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": 2014110000131}, "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": "November 02 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 05 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 96932.98548470493}, "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": ["Argentina"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": -26.5}, "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": 297.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "297.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 294.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 298.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -29.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -24.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.75, -26.5], [-65.53, -25.97], [-65.18, -25.82], 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[-65.65, -26.75], [-65.75, -26.5]]]]}, "2014-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.75, -26.5], [-65.53, -25.97], [-65.18, -25.82], [-65.15, -25.75], [-65.25, -25.5], [-65.15, -25.25], [-65.25, -25.0], [-65.03, -24.47], [-64.5, -24.25], [-64.25, -24.35], [-64.18, -24.32], [-64.03, -23.97], [-63.5, -23.75], [-63.25, -23.85], [-63.0, -23.75], [-62.47, -23.97], [-62.32, -24.32], [-61.97, -24.47], [-61.75, -25.0], [-61.85, -25.25], [-61.82, -25.32], [-61.47, -25.47], [-61.25, -26.0], [-61.47, -26.53], [-61.82, -26.68], [-61.97, -27.03], [-62.32, -27.18], [-62.35, -27.25], [-62.32, -27.32], [-61.97, -27.47], [-61.82, -27.82], [-61.47, -27.97], [-61.25, -28.5], [-61.47, -29.03], [-61.82, -29.18], [-61.97, -29.53], [-62.5, -29.75], [-63.03, -29.53], [-63.18, -29.18], [-63.53, -29.03], [-63.75, -28.5], [-63.65, -28.25], [-63.75, -28.0], [-63.65, -27.75], [-63.68, -27.68], [-64.03, -27.53], [-64.18, -27.18], [-64.25, -27.15], [-64.32, -27.18], [-64.35, 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of mean t2m anomalies.", "value": [-7.20950633490972, -6.562367313104123, -5.696986876875734, -5.770681254034937]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-8.642745383661179, -7.652867909709016, -6.4358539677687645, -6.472615997797448]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6739668855211918, -1.5719487909467698, -1.3832735913686898, -1.356655033296285]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9815517943663465, -1.7357384786402439, -1.5356251791109599, -1.4627129330714748]}}