{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:49.216824", "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": "2010-Oct-15_to_2010-Oct-18_297.0_-34.0"}, "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": 2010100000601}, "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 15 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 18 2010"}, "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": 91859.81927608734}, "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": -34.0}, "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": 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": 296.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 301.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -36.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -32.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.25, -34.5], [-64.03, -33.97], [-63.68, -33.82], 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-34.65]]]]}, "2010-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.25, -34.5], [-64.03, -33.97], [-63.68, -33.82], [-63.65, -33.75], [-63.75, -33.5], [-63.53, -32.97], [-63.12, -32.8], [-63.25, -32.5], [-63.03, -31.97], [-62.5, -31.75], [-61.97, -31.97], [-61.82, -32.32], [-61.75, -32.35], [-61.5, -32.25], [-61.25, -32.35], [-61.18, -32.32], [-61.03, -31.97], [-60.5, -31.75], [-59.97, -31.97], [-59.75, -32.5], [-59.85, -32.75], [-59.75, -33.0], [-59.85, -33.25], [-59.82, -33.32], [-59.47, -33.47], [-59.25, -34.0], [-59.47, -34.53], [-60.0, -34.75], [-59.75, -34.85], [-59.5, -34.75], [-58.97, -34.97], [-58.75, -35.5], [-58.85, -35.75], [-58.82, -35.82], [-58.47, -35.97], [-58.25, -36.5], [-58.47, -37.03], [-59.0, -37.25], [-59.53, -37.03], [-59.68, -36.68], [-59.75, -36.65], [-60.0, -36.75], [-60.25, -36.65], [-60.5, -36.75], [-61.03, -36.53], [-61.18, -36.18], [-61.25, -36.15], [-61.5, -36.25], [-62.03, -36.03], [-62.18, -35.68], [-62.25, -35.65], [-62.5, -35.75], [-62.75, -35.65], [-63.0, -35.75], [-63.53, -35.53], [-63.68, -35.18], [-64.03, -35.03], [-64.25, -34.5]], [[-60.25, -34.65], [-60.32, -34.68], [-60.37, -34.8], [-60.25, -34.85], [-60.0, -34.75], [-60.25, -34.65]]]]}, "2010-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.25, -34.5], [-64.03, -33.97], [-63.68, -33.82], [-63.65, -33.75], [-63.75, -33.5], [-63.53, -32.97], [-63.12, -32.8], [-63.25, -32.5], [-63.03, -31.97], [-62.5, -31.75], [-61.97, -31.97], [-61.82, -32.32], [-61.75, -32.35], [-61.5, -32.25], [-61.25, -32.35], [-61.18, -32.32], [-61.03, -31.97], [-60.5, -31.75], [-59.97, -31.97], [-59.75, -32.5], [-59.85, -32.75], [-59.75, -33.0], [-59.85, -33.25], [-59.82, -33.32], [-59.47, -33.47], [-59.25, -34.0], [-59.47, -34.53], [-60.0, -34.75], [-59.75, -34.85], [-59.5, -34.75], [-58.97, -34.97], [-58.75, -35.5], [-58.85, -35.75], [-58.82, -35.82], [-58.47, -35.97], [-58.25, -36.5], [-58.47, -37.03], [-59.0, -37.25], [-59.53, -37.03], [-59.68, 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mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.951224346845208, 12.950281953462081, 13.14393677671245, 11.740791036804296]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [10.577908241698424, 11.528600424614808, 10.128678475161564, 11.740791036804296]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-5.214595711187698, -4.373903206261001, -4.380159734945484, -3.862235560847239]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-6.379608804652094, -5.471159398187581, -5.357029800129567, -3.862235560847239]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.669587244268035, -1.4208875884024856, -1.4246039834601574, -1.310625350291157]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9735195194882464, -1.6919707133928024, -1.9052094726935953, -1.310625350291157]}}