{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:14.554961", "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": "2022-Jun-11_to_2022-Jun-14_1.0_4.0"}, "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": 2022060002053}, "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": "June 11 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 14 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 206446.78117713012}, "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": ["Ghana"]}, "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": 5.0}, "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": 359.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "1.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 356.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 363.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[1.03, 2.47], [0.5, 2.25], [0.25, 2.35], [0.0, 2.25], [-0.25, 2.35], [-0.5, 2.25], [-0.75, 2.35], [-1.0, 2.25], [-1.25, 2.35], 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affected", "value": ["Western-Africa", "Equatorial.Atlantic-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.5299999999999727, 4.03], [-0.18000000000000682, 4.18], [-0.029999999999972715, 4.53], [0.5, 4.75], [0.75, 4.65], [1.0, 4.75], [1.25, 4.65], [1.5, 4.75], [2.0299999999999727, 4.53], [2.25, 4.0], [2.0299999999999727, 3.47], [1.6800000000000068, 3.32], [1.5299999999999727, 2.97], [1.0, 2.75], [0.75, 2.85], [0.5, 2.75], [0.25, 2.85], [0.0, 2.75], [-0.30000000000001137, 2.88], [-0.4700000000000273, 2.47], [-1.0, 2.25], [-1.5299999999999727, 2.47], [-1.75, 3.0], [-1.5299999999999727, 3.53], [-1.0, 3.75], [-0.6999999999999886, 3.62], [-0.5299999999999727, 4.03]]]]}, "2022-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.75, 5.0], [-4.529999999999973, 5.53], [-4.0, 5.75], [-3.75, 5.65], 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anomalies.", "value": [0.6664602510610962, 1.1319745809360373, 1.2898139093045822, 1.0157050540427528]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.6664602510610962, 1.4689628391178076, 1.522234295602857, 1.7568404270727456]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.359513460641034, 2.2077043340377394, 2.4963578542409093, 1.9691285209065714]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.359513460641034, 3.1184994175093714, 3.198749537638062, 2.8896397124972615]}}