{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:13.734620", "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": "2011-Apr-30_to_2011-May-05_322.5_-6.5"}, "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": 2011040001521}, "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": "April 30 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 05 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 104389.52648260552}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": -6.5}, "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": 322.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "322.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 320.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 325.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-04-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-37.5, -5.75], [-36.97, -5.97], [-36.82, -6.32], [-36.47, 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-5.75]]]]}, "2011-05-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.0, -4.75], [-37.75, -4.85], [-37.5, -4.75], [-37.25, -4.85], [-37.0, -4.75], [-36.75, -4.85], [-36.5, -4.75], [-35.97, -4.97], [-35.75, -5.5], [-35.85, -5.75], [-35.75, -6.0], [-35.85, -6.25], [-35.75, -6.5], [-35.87, -6.8], [-35.75, -6.85], [-35.5, -6.75], [-35.25, -6.85], [-35.0, -6.75], [-34.47, -6.97], [-34.25, -7.5], [-34.35, -7.75], [-34.25, -8.0], [-34.47, -8.53], [-35.0, -8.75], [-35.25, -8.65], [-35.5, -8.75], [-36.03, -8.53], [-36.18, -8.18], [-36.25, -8.15], [-36.32, -8.18], [-36.47, -8.53], [-37.0, -8.75], [-37.53, -8.53], [-37.75, -8.0], [-37.65, -7.75], [-37.68, -7.68], [-37.75, -7.65], [-38.0, -7.75], [-38.53, -7.53], [-38.75, -7.0], [-38.62, -6.7], [-39.03, -6.53], [-39.25, -6.0], [-39.03, -5.47], [-38.68, -5.32], [-38.53, -4.97], [-38.0, -4.75]]]]}, "2011-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.15, -5.75], [-40.25, -5.5], [-40.03, -4.97], 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-1.461485070007914, -1.3287699027084363]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.7667861058109615, -1.9621119223828676, -1.7127955394558805, -2.2119166733938145, -1.9010244465071717, -1.512842963185439]}}