{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-08-31 16:20:33.108680", "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": "2026-Aug-15_to_2026-Aug-20_36.5_-9.5"}, "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": 2026080000434}, "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 15 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 20 2026"}, "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": 88158.0213986118}, "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": ["Mozambique", "Tanzania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "S.Eastern-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": -9.5}, "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": 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": 35.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 39.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.5, -12.25], [37.03, -12.47], [37.25, -13.0], [37.15, -13.25], 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"coordinates": [[[[37.15, -13.25], [37.25, -13.5], [37.03, -14.03], [36.5, -14.25], [35.97, -14.03], [35.75, -13.5], [35.85, -13.25], [35.75, -13.0], [35.97, -12.47], [36.5, -12.25], [37.03, -12.47], [37.25, -13.0], [37.15, -13.25]]], [[[35.85, -9.75], [35.82, -9.68], [35.47, -9.53], [35.25, -9.0], [35.47, -8.47], [36.0, -8.25], [36.25, -8.35], [36.32, -8.32], [36.47, -7.97], [37.0, -7.75], [37.25, -7.85], [37.5, -7.75], [38.03, -7.97], [38.25, -8.5], [38.15, -8.75], [38.18, -8.82], [38.53, -8.97], [38.68, -9.32], [39.03, -9.47], [39.18, -9.82], [39.53, -9.97], [39.75, -10.5], [39.53, -11.03], [39.18, -11.18], [39.03, -11.53], [38.5, -11.75], [37.97, -11.53], [37.82, -11.18], [37.75, -11.15], [37.5, -11.25], [37.25, -11.15], [37.18, -11.18], [37.15, -11.25], [37.25, -11.5], [37.03, -12.03], [36.5, -12.25], [36.25, -12.15], [36.0, -12.25], [35.47, -12.03], [35.25, -11.5], [35.47, -10.97], [35.82, -10.82], [35.96, -10.5], [35.75, -10.0], [35.85, -9.75]]]]}, 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