{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:07.029651", "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": "2019-Feb-23_to_2019-Feb-27_293.0_11.0"}, "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": 2019020000681}, "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": "February 23 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 27 2019"}, "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": 91139.21238648055}, "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": ["Venezuela"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": ["Caribbean Sea"]}, "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": 11.0}, "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": 293.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 291.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 296.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.75, 11.0], [-67.53, 11.53], [-67.0, 11.75], [-66.47, 11.53], [-66.32, 11.18], [-65.97, 11.03], [-65.75, 10.5], [-65.97, 9.97], [-66.5, 9.75], [-67.03, 9.97], [-67.18, 10.32], [-67.53, 10.47], [-67.75, 11.0]]]]}, "2019-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.75, 11.5], [-68.53, 12.03], [-68.0, 12.25], [-67.75, 12.15], [-67.5, 12.25], [-66.97, 12.03], [-66.82, 11.68], [-66.75, 11.65], [-66.5, 11.75], [-66.25, 11.65], [-66.18, 11.68], [-66.03, 12.03], [-65.5, 12.25], [-65.25, 12.15], [-65.0, 12.25], [-64.75, 12.15], [-64.5, 12.25], [-63.97, 12.03], [-63.82, 11.68], [-63.75, 11.65], [-63.5, 11.75], [-62.97, 11.53], [-62.75, 11.0], [-62.97, 10.47], [-63.32, 10.32], [-63.47, 9.97], [-64.0, 9.75], [-64.25, 9.85], [-64.32, 9.82], [-64.47, 9.47], [-64.82, 9.32], [-64.97, 8.97], [-65.5, 8.75], [-65.75, 8.85], [-66.0, 8.75], [-66.25, 8.85], [-66.5, 8.75], [-67.03, 8.97], [-67.18, 9.32], [-67.53, 9.47], [-67.75, 10.0], [-67.62, 10.3], [-68.03, 10.47], [-68.18, 10.82], [-68.53, 10.97], [-68.75, 11.5]]]]}, "2019-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.53, 12.03], [-68.0, 12.25], [-67.75, 12.15], [-67.5, 12.25], [-66.97, 12.03], [-66.82, 11.68], [-66.75, 11.65], [-66.5, 11.75], [-66.25, 11.65], [-66.18, 11.68], [-66.03, 12.03], [-65.5, 12.25], [-65.25, 12.15], [-65.0, 12.25], [-64.75, 12.15], [-64.5, 12.25], [-63.97, 12.03], [-63.82, 11.68], [-63.75, 11.65], [-63.5, 11.75], [-62.97, 11.53], [-62.75, 11.0], [-62.97, 10.47], [-63.32, 10.32], [-63.47, 9.97], [-64.0, 9.75], [-64.25, 9.85], [-64.32, 9.82], [-64.47, 9.47], [-64.82, 9.32], [-64.97, 8.97], [-65.5, 8.75], [-65.75, 8.85], [-66.0, 8.75], [-66.25, 8.85], [-66.5, 8.75], [-67.0, 8.96], [-67.5, 8.75], [-68.03, 8.97], [-68.25, 9.5], [-68.03, 10.03], [-67.68, 10.18], [-67.62, 10.3], [-67.75, 10.35], [-68.0, 10.25], [-68.53, 10.47], [-68.75, 11.0], [-68.65, 11.25], [-68.75, 11.5], [-68.53, 12.03]]]]}, "2019-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.53, 12.03], [-68.0, 12.25], [-67.75, 12.15], [-67.5, 12.25], [-66.97, 12.03], [-66.82, 11.68], [-66.75, 11.65], [-66.5, 11.75], [-66.25, 11.65], [-66.18, 11.68], [-66.03, 12.03], [-65.5, 12.25], [-65.25, 12.15], [-65.0, 12.25], [-64.75, 12.15], [-64.5, 12.25], [-63.97, 12.03], [-63.82, 11.68], [-63.75, 11.65], [-63.5, 11.75], [-62.97, 11.53], [-62.75, 11.0], [-62.97, 10.47], [-63.32, 10.32], [-63.47, 9.97], [-64.0, 9.75], [-64.25, 9.85], [-64.32, 9.82], [-64.47, 9.47], [-64.82, 9.32], [-64.97, 8.97], [-65.5, 8.75], [-65.75, 8.85], [-66.0, 8.75], [-66.25, 8.85], [-66.5, 8.75], [-67.0, 8.96], [-67.5, 8.75], [-68.03, 8.97], [-68.25, 9.5], [-68.03, 10.03], [-67.68, 10.18], [-67.62, 10.3], [-67.75, 10.35], [-68.0, 10.25], [-68.53, 10.47], [-68.75, 11.0], [-68.65, 11.25], [-68.75, 11.5], [-68.53, 12.03]]]]}, "2019-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.53, 10.47], [-68.75, 11.0], [-68.53, 11.53], [-68.0, 11.75], [-67.75, 11.65], [-67.5, 11.75], [-67.25, 11.65], [-67.0, 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