{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:29.822542", "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-Oct-12_to_2014-Oct-17_36.5_28.0"}, "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": 2014100000474}, "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 12 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 17 2014"}, "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": 60905.630340534786}, "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": ["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": ["Red 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": 28.0}, "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": 36.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 35.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 38.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.5, 28.75], [37.03, 28.53], [37.25, 28.0], [37.03, 27.47], [36.5, 27.25], [35.97, 27.47], [35.75, 28.0], [35.97, 28.53], [36.5, 28.75]]]]}, "2014-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.75, 28.0], [34.97, 28.53], [35.5, 28.75], [35.75, 28.65], [36.0, 28.75], [36.25, 28.65], [36.5, 28.75], [37.03, 28.53], [37.25, 28.0], [37.03, 27.47], [36.68, 27.32], [36.53, 26.97], [36.0, 26.75], [35.47, 26.97], [35.32, 27.32], [34.97, 27.47], [34.75, 28.0]]]]}, "2014-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.75, 28.0], [34.97, 28.53], [35.5, 28.75], [35.75, 28.65], [36.0, 28.75], [36.25, 28.65], [36.5, 28.75], [37.03, 28.53], [37.18, 28.18], [37.53, 28.03], [37.75, 27.5], [37.65, 27.25], [37.75, 27.0], [37.65, 26.75], [37.68, 26.68], [38.03, 26.53], [38.25, 26.0], [38.15, 25.75], [38.18, 25.68], [38.53, 25.53], [38.75, 25.0], [38.53, 24.47], [38.0, 24.25], [37.47, 24.47], [37.32, 24.82], [36.97, 24.97], [36.75, 25.5], [36.85, 25.75], [36.82, 25.82], [36.75, 25.85], [36.5, 25.75], [35.97, 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