{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:03.533495", "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-Aug-10_to_2014-Aug-14_51.0_25.5"}, "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": 2014080000552}, "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": "August 10 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 14 2014"}, "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": 79025.4680375626}, "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": ["Qatar", "Saudi Arabia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["Persian Gulf"]}, "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": 25.5}, "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": 51.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "51.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 48.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 51.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 22.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 25.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.85, 24.75], [48.75, 25.0], [48.97, 25.53], [49.5, 25.75], 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"coordinates": [[[[47.97, 25.03], [48.5, 25.25], [49.03, 25.03], [49.18, 24.68], [49.3, 24.63], [49.35, 24.75], [49.25, 25.0], [49.47, 25.53], [49.82, 25.68], [49.97, 26.03], [50.5, 26.25], [50.75, 26.15], [51.0, 26.25], [51.53, 26.03], [51.68, 25.68], [52.03, 25.53], [52.25, 25.0], [52.04, 24.5], [52.25, 24.0], [52.03, 23.47], [51.68, 23.32], [51.53, 22.97], [51.18, 22.82], [51.03, 22.47], [50.68, 22.32], [50.53, 21.97], [50.0, 21.75], [49.75, 21.85], [49.5, 21.75], [48.97, 21.97], [48.75, 22.5], [48.85, 22.75], [48.75, 23.0], [48.88, 23.3], [48.75, 23.35], [48.5, 23.25], [47.97, 23.47], [47.75, 24.0], [47.85, 24.25], [47.75, 24.5], [47.97, 25.03]]]]}, "2014-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.25, 25.5], [50.47, 26.03], [51.0, 26.25], [51.53, 26.03], [51.68, 25.68], [52.03, 25.53], [52.25, 25.0], [52.04, 24.5], [52.25, 24.0], [52.03, 23.47], [51.5, 23.25], [50.97, 23.47], [50.75, 24.0], [50.96, 24.5], [50.82, 24.82], [50.47, 24.97], [50.25, 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