{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:32.847916", "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-Aug-13_to_2022-Aug-15_0.0_16.5"}, "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": 2022080002202}, "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 13 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 15 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 109359.86081671019}, "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": ["Mali"]}, "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": 17.0}, "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": 359.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "0.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 357.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 361.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-3.53, 17.53], [-3.0, 17.75], [-2.75, 17.65], [-2.5, 17.75], [-2.25, 17.65], [-2.18, 17.68], [-2.03, 18.03], [-1.5, 18.25], [-1.25, 18.15], [-1.18, 18.18], [-1.15, 18.25], [-1.25, 18.5], [-1.03, 19.03], [-0.5, 19.25], [-0.25, 19.15], [0.0, 19.25], [0.25, 19.15], [0.5, 19.25], [0.75, 19.15], [1.0, 19.25], [1.25, 19.15], [1.5, 19.25], [2.03, 19.03], [2.25, 18.5], [2.03, 17.97], [1.5, 17.75], [1.25, 17.85], [1.18, 17.82], [1.15, 17.75], [1.25, 17.5], [1.15, 17.25], [1.18, 17.18], [1.53, 17.03], [1.75, 16.5], [1.65, 16.25], [1.75, 16.0], [1.53, 15.47], [1.0, 15.25], [0.75, 15.35], [0.68, 15.32], [0.53, 14.97], [0.0, 14.75], [-0.25, 14.85], [-0.5, 14.75], [-1.03, 14.97], [-1.18, 15.32], [-1.25, 15.35], [-1.5, 15.25], [-2.03, 15.47], [-2.18, 15.82], [-2.25, 15.85], [-2.5, 15.75], [-3.03, 15.97], [-3.18, 16.32], [-3.53, 16.47], [-3.75, 17.0], [-3.53, 17.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.5299999999999727, 16.47], [-3.75, 17.0], [-3.5299999999999727, 17.53], [-3.0, 17.75], [-2.75, 17.65], [-2.5, 17.75], [-2.25, 17.65], [-2.180000000000007, 17.68], [-2.0299999999999727, 18.03], [-1.5, 18.25], [-1.25, 18.15], [-1.1800000000000068, 18.18], [-1.1499999999999773, 18.25], [-1.25, 18.5], [-1.0299999999999727, 19.03], [-0.5, 19.25], [-0.25, 19.15], [0.0, 19.25], [0.25, 19.15], [0.5, 19.25], [0.75, 19.15], [1.0, 19.25], [1.25, 19.15], [1.5, 19.25], [2.0299999999999727, 19.03], [2.25, 18.5], [2.0299999999999727, 17.97], [1.5, 17.75], [1.25, 17.85], [1.1800000000000068, 17.82], [1.1499999999999773, 17.75], [1.25, 17.5], [1.1499999999999773, 17.25], [1.1800000000000068, 17.18], [1.5299999999999727, 17.03], [1.75, 16.5], [1.6499999999999773, 16.25], [1.75, 16.0], [1.5299999999999727, 15.47], [1.0, 15.25], [0.75, 15.35], [0.6800000000000068, 15.32], [0.5299999999999727, 14.97], [0.0, 14.75], [-0.25, 14.85], [-0.5, 14.75], [-1.0299999999999727, 14.97], [-1.1800000000000068, 15.32], [-1.25, 15.35], [-1.5, 15.25], [-2.0299999999999727, 15.47], [-2.180000000000007, 15.82], [-2.25, 15.85], [-2.5, 15.75], [-3.0299999999999727, 15.97], [-3.180000000000007, 16.32], [-3.5299999999999727, 16.47]]]]}, "2022-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.5299999999999727, 16.47], [-3.75, 17.0], [-3.5299999999999727, 17.53], [-3.0, 17.75], [-2.75, 17.65], [-2.5, 17.75], [-2.25, 17.65], [-2.180000000000007, 17.68], [-2.0299999999999727, 18.03], [-1.5, 18.25], [-1.25, 18.15], [-1.1800000000000068, 18.18], [-1.1499999999999773, 18.25], [-1.25, 18.5], [-1.0299999999999727, 19.03], [-0.5, 19.25], [-0.25, 19.15], [0.0, 19.25], [0.25, 19.15], [0.5, 19.25], [0.75, 19.15], [1.0, 19.25], [1.25, 19.15], [1.5, 19.25], [2.0299999999999727, 19.03], [2.25, 18.5], [2.0299999999999727, 17.97], [1.5, 17.75], [1.25, 17.85], [1.1800000000000068, 17.82], [1.1499999999999773, 17.75], 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duration", "value": 5.789813646473306}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.4400537147173407}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.17323511451332, 35.345903193536856, 35.308361853468796]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.60064501968242, 38.362442114348426, 36.8197159314318]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6770449231731503, 3.8300806706200405, 3.8130355503588307]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.574916685486471, 5.789813646473306, 4.43132434036562]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.499891345969764, 2.1068131916887154, 2.1257787744764056]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9174443493576092, 3.130915670597992, 2.387100083462213]}}