{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:36.154647", "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": "2017-Jul-27_to_2017-Aug-03_29.0_-0.5"}, "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": 2017070002962}, "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": "July 27 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 03 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 55633.634862101564}, "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": ["Congo DRC", "Uganda"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": -0.5}, "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": 29.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "29.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 26.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 30.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.47, 2.03], [27.0, 2.25], [27.25, 2.15], [27.5, 2.25], [27.75, 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[26.47, 0.47], [26.25, 1.0], [26.35, 1.25], [26.25, 1.5], [26.47, 2.03]]]]}, "2017-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.47, 2.03], [27.0, 2.25], [27.25, 2.15], [27.5, 2.25], [27.75, 2.15], [28.0, 2.25], [28.53, 2.03], [28.68, 1.68], [29.03, 1.53], [29.18, 1.18], [29.53, 1.03], [29.68, 0.68], [29.75, 0.65], [30.0, 0.75], [30.53, 0.53], [30.75, 0.0], [30.65, -0.25], [30.75, -0.5], [30.53, -1.03], [30.0, -1.25], [29.5, -1.04], [29.0, -1.25], [28.75, -1.15], [28.5, -1.25], [27.97, -1.03], [27.82, -0.68], [27.47, -0.53], [27.32, -0.18], [26.97, -0.03], [26.82, 0.32], [26.47, 0.47], [26.25, 1.0], [26.35, 1.25], [26.25, 1.5], [26.47, 2.03]]]]}, "2017-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.35, 0.25], [28.25, 0.5], [28.47, 1.03], [29.0, 1.25], [29.53, 1.03], [29.68, 0.68], [29.75, 0.65], [30.0, 0.75], [30.53, 0.53], [30.75, 0.0], [30.65, -0.25], [30.75, -0.5], [30.53, -1.03], [30.0, -1.25], [29.5, -1.04], [29.0, -1.25], [28.47, -1.03], [28.25, -0.5], [28.35, -0.25], [28.25, 0.0], [28.35, 0.25]]]]}, "2017-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.5, 0.75], [29.75, 0.65], [30.0, 0.75], [30.53, 0.53], [30.75, 0.0], [30.65, -0.25], [30.75, -0.5], [30.53, -1.03], [30.0, -1.25], [29.5, -1.04], [29.0, -1.25], [28.47, -1.03], [28.25, -0.5], [28.47, 0.03], [28.82, 0.18], [28.97, 0.53], [29.5, 0.75]]]]}, "2017-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.75, 0.0], [27.97, 0.53], [28.32, 0.68], [28.47, 1.03], [29.0, 1.25], [29.53, 1.03], [29.75, 0.5], [29.65, 0.25], [29.75, 0.0], [29.65, -0.25], [29.75, -0.5], [29.53, -1.03], [29.0, -1.25], [28.47, -1.03], [28.32, -0.68], [27.97, -0.53], [27.75, 0.0]]]]}, "2017-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.75, 0.0], [27.97, 0.53], [28.32, 0.68], [28.47, 1.03], [29.0, 1.25], [29.53, 1.03], [29.75, 0.5], [29.65, 0.25], [29.75, 0.0], [29.65, -0.25], [29.75, -0.5], [29.53, 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anomalies.", "value": [1.5415729358506147, 2.06806977026061, 1.6949956529209365, 1.5809304239837711, 1.767409449646546, 1.6344709067318233, 1.6338776290527202, 1.6023654604826438]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8823719632779188, 2.4817389881711827, 2.30042961579086, 1.7286100582388717, 2.179754885173564, 1.865250577281832, 1.7749584235393001, 1.9567672014772046]}}