{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:10.911855", "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-Jul-09_to_2019-Jul-15_346.0_15.0"}, "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": 2019070001879}, "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 09 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 15 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 53713.335421168915}, "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": ["Mauritania", "Senegal"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara", "Western-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": 15.0}, "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": 346.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "346.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 344.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 348.75}, "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": 16.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.03, 15.53], [-14.5, 15.75], [-14.25, 15.65], [-14.0, 15.75], [-13.75, 15.65], [-13.5, 15.75], [-12.97, 15.53], [-12.75, 15.0], [-12.97, 14.47], [-13.5, 14.25], [-13.75, 14.35], [-13.82, 14.32], [-13.97, 13.97], [-14.5, 13.75], [-15.03, 13.97], [-15.25, 14.5], [-15.15, 14.75], [-15.25, 15.0], [-15.03, 15.53]]]]}, "2019-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.03, 15.53], [-14.5, 15.75], [-14.25, 15.65], [-14.0, 15.75], [-13.75, 15.65], [-13.5, 15.75], [-12.97, 15.53], [-12.75, 15.0], [-12.97, 14.47], [-13.5, 14.25], [-13.75, 14.35], [-13.82, 14.32], [-13.97, 13.97], [-14.5, 13.75], [-15.03, 13.97], [-15.25, 14.5], [-15.15, 14.75], [-15.25, 15.0], [-15.03, 15.53]]]]}, "2019-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.03, 15.53], [-14.5, 15.75], [-14.25, 15.65], [-14.0, 15.75], [-13.75, 15.65], [-13.5, 15.75], [-12.97, 15.53], [-12.75, 15.0], [-12.97, 14.47], [-13.5, 14.25], [-13.75, 14.35], [-13.82, 14.32], [-13.97, 13.97], [-14.5, 13.75], [-15.03, 13.97], [-15.25, 14.5], [-15.15, 14.75], [-15.25, 15.0], [-15.03, 15.53]]]]}, "2019-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.65, 14.75], [-15.75, 15.0], [-15.53, 15.53], [-15.0, 15.75], [-14.75, 15.65], [-14.68, 15.68], [-14.53, 16.03], [-14.0, 16.25], [-13.75, 16.15], [-13.5, 16.25], [-13.25, 16.15], [-13.0, 16.25], [-12.75, 16.15], [-12.5, 16.25], [-11.97, 16.03], [-11.75, 15.5], [-11.97, 14.97], [-12.32, 14.82], [-12.47, 14.47], [-13.0, 14.25], [-13.25, 14.35], [-13.32, 14.32], [-13.47, 13.97], [-14.0, 13.75], [-14.25, 13.85], [-14.32, 13.82], [-14.47, 13.47], [-15.0, 13.25], [-15.53, 13.47], [-15.75, 14.0], [-15.65, 14.25], [-15.75, 14.5], [-15.65, 14.75]]]]}, "2019-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.65, 14.75], [-15.75, 15.0], [-15.53, 15.53], [-15.0, 15.75], [-14.75, 15.65], [-14.68, 15.68], [-14.53, 16.03], [-14.0, 16.25], [-13.75, 16.15], [-13.5, 16.25], [-13.25, 16.15], [-13.0, 16.25], [-12.75, 16.15], [-12.68, 16.18], [-12.53, 16.53], [-12.0, 16.75], [-11.75, 16.65], [-11.5, 16.75], [-10.97, 16.53], [-10.75, 16.0], [-10.97, 15.47], [-11.32, 15.32], [-11.35, 15.25], [-11.25, 15.0], [-11.47, 14.47], [-12.0, 14.25], [-12.25, 14.35], [-12.5, 14.25], [-12.75, 14.35], [-13.0, 14.25], [-13.25, 14.35], [-13.32, 14.32], [-13.47, 13.97], [-14.0, 13.75], [-14.25, 13.85], [-14.32, 13.82], [-14.47, 13.47], [-15.0, 13.25], [-15.53, 13.47], [-15.75, 14.0], [-15.65, 14.25], [-15.75, 14.5], [-15.65, 14.75]]]]}, "2019-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.65, 14.75], [-15.75, 15.0], [-15.53, 15.53], [-15.0, 15.75], [-14.75, 15.65], [-14.68, 15.68], [-14.53, 16.03], [-14.0, 16.25], [-13.75, 16.15], [-13.5, 16.25], [-13.25, 16.15], [-13.0, 16.25], [-12.75, 16.15], [-12.68, 16.18], [-12.53, 16.53], [-12.0, 16.75], [-11.75, 16.65], [-11.5, 16.75], [-10.97, 16.53], [-10.75, 16.0], [-10.97, 15.47], [-11.32, 15.32], [-11.35, 15.25], [-11.25, 15.0], [-11.47, 14.47], [-12.0, 14.25], [-12.25, 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1.9506903107386222, 2.2060726182098254, 2.844000718225658, 2.7925852783673943, 2.6632974838834755]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.242267883906095, 3.0108890470571623, 2.106264372195426, 2.7931990146822727, 3.6135586230648755, 3.4382084552573247, 3.2892295293710276]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6898733914121835, 2.0385454564706493, 1.4833574087322283, 1.6208908827829924, 1.969735954594896, 1.859967294377586, 1.744030670582991]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8069074373221954, 2.280079207027869, 1.5805274833758578, 2.053965276692641, 2.645170837444994, 2.3618499788396345, 2.184714855869281]}}