{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-08-31 16:20:39.889160", "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-19_to_2026-Aug-23_7.0_-6.0"}, "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": 2026080001709}, "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": true}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "August 19 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 23 2026"}, "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": "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": 58332.711555698435}, "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": []}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Atlantic-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": []}, "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": ["South Atlantic Ocean"]}, "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": -6.0}, "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": 7.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "7.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 6.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 7.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[7.0, -5.25], [7.53, -5.47], [7.75, -6.0], [7.53, -6.53], [7.0, -6.75], [6.47, -6.53], [6.25, -6.0], [6.47, -5.47], [7.0, -5.25]]]]}, "2026-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[5.85, -7.25], [5.75, -7.0], [5.97, -6.47], [6.32, -6.32], [6.35, -6.25], [6.25, -6.0], [6.35, -5.75], [6.32, -5.68], [5.97, -5.53], [5.75, -5.0], [5.85, -4.75], [5.75, -4.5], [5.97, -3.97], [6.5, -3.75], [6.75, -3.85], [7.0, -3.75], [7.53, -3.97], [7.68, -4.32], [8.03, -4.47], [8.25, -5.0], [8.15, -5.25], [8.25, -5.5], [8.15, -5.75], [8.25, -6.0], [8.03, -6.53], [7.68, -6.68], [7.65, -6.75], [7.75, -7.0], [7.65, -7.25], [7.68, -7.32], [8.03, -7.47], [8.25, -8.0], [8.03, -8.53], [7.68, -8.68], [7.65, -8.75], [7.75, -9.0], [7.53, -9.53], [7.0, -9.75], [6.47, -9.53], [6.25, -9.0], [6.35, -8.75], [6.32, -8.68], [5.97, -8.53], [5.75, -8.0], [5.85, -7.75], [5.75, -7.5], [5.85, -7.25]]]]}, "2026-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[5.85, -7.25], [5.75, -7.0], [5.97, -6.47], [6.32, -6.32], [6.35, -6.25], [6.25, 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0.858081336092539]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.211653490923335, 1.4342873094074935, 1.4427852283299043, 1.5941165542141973, 1.3738136404236927]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.211653490923335, 1.6801017372469118, 1.8347366975132564, 2.00115932817057, 1.6211955977323318]}}