{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:52.758288", "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-Jul-21_to_2022-Jul-25_12.0_19.0"}, "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": 2022070002360}, "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 21 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 25 2022"}, "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": 93214.90664148272}, "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": ["Niger"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 19.0}, "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": 12.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "12.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 9.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 15.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.0, 21.75], [15.53, 21.53], [15.75, 21.0], [15.53, 20.47], [15.18, 20.32], [15.03, 19.97], [14.5, 19.75], [13.97, 19.97], [13.75, 20.5], [13.97, 21.03], [14.32, 21.18], [14.47, 21.53], [15.0, 21.75]]]]}, "2022-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, 20.03], [9.82, 20.18], [9.85, 20.25], [9.75, 20.5], [9.97, 21.03], [10.5, 21.25], [10.75, 21.15], [11.0, 21.25], [11.25, 21.15], [11.5, 21.25], [12.03, 21.03], [12.25, 20.5], [12.15, 20.25], [12.18, 20.18], [12.25, 20.15], [12.32, 20.18], [12.47, 20.53], [13.0, 20.75], [13.25, 20.65], [13.5, 20.75], [13.75, 20.65], [13.82, 20.68], [13.97, 21.03], [14.32, 21.18], [14.47, 21.53], [15.0, 21.75], [15.53, 21.53], [15.75, 21.0], [15.65, 20.75], [15.75, 20.5], [15.53, 19.97], [15.18, 19.82], [15.03, 19.47], [14.5, 19.25], [14.25, 19.35], [14.18, 19.32], [14.03, 18.97], [13.68, 18.82], [13.53, 18.47], [13.0, 18.25], [12.75, 18.35], [12.5, 18.25], [12.25, 18.35], [12.0, 18.25], [11.47, 18.47], [11.25, 19.0], [11.35, 19.25], [11.32, 19.32], [11.25, 19.35], [11.0, 19.25], [10.75, 19.35], [10.68, 19.32], [10.54, 19.0], [10.75, 18.5], [10.53, 17.97], [10.0, 17.75], [9.47, 17.97], [9.25, 18.5], [9.46, 19.0], [9.25, 19.5], [9.47, 20.03]]]]}, "2022-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.46, 19.0], [9.25, 19.5], [9.47, 20.03], [9.82, 20.18], [9.85, 20.25], [9.75, 20.5], [9.97, 21.03], [10.5, 21.25], [10.75, 21.15], [11.0, 21.25], [11.25, 21.15], [11.5, 21.25], [12.03, 21.03], [12.25, 20.5], [12.15, 20.25], [12.18, 20.18], [12.25, 20.15], [12.32, 20.18], [12.47, 20.53], [13.0, 20.75], [13.25, 20.65], [13.5, 20.75], [13.75, 20.65], [13.82, 20.68], [13.97, 21.03], [14.32, 21.18], [14.47, 21.53], [15.0, 21.75], [15.53, 21.53], [15.75, 21.0], [15.65, 20.75], [15.75, 20.5], [15.53, 19.97], [15.18, 19.82], [15.03, 19.47], [14.5, 19.25], [14.25, 19.35], [14.18, 19.32], [14.03, 18.97], [13.68, 18.82], [13.53, 18.47], [13.0, 18.25], [12.75, 18.35], [12.5, 18.25], [12.25, 18.35], [12.0, 18.25], [11.75, 18.35], [11.68, 18.32], [11.53, 17.97], [11.18, 17.82], [11.03, 17.47], [10.5, 17.25], [10.25, 17.35], [10.0, 17.25], [9.47, 17.47], [9.25, 18.0], [9.35, 18.25], [9.25, 18.5], [9.46, 19.0]]]]}, "2022-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.46, 19.0], [9.25, 19.5], [9.47, 20.03], [9.82, 20.18], [9.85, 20.25], [9.75, 20.5], [9.97, 21.03], [10.5, 21.25], [10.75, 21.15], [11.0, 21.25], [11.25, 21.15], [11.5, 21.25], [12.03, 21.03], [12.25, 20.5], [12.15, 20.25], [12.18, 20.18], [12.25, 20.15], [12.32, 20.18], [12.47, 20.53], [13.0, 20.75], [13.25, 20.65], [13.5, 20.75], [13.75, 20.65], [13.82, 20.68], [13.97, 21.03], [14.5, 21.25], [14.75, 21.15], [15.0, 21.25], [15.53, 21.03], [15.75, 20.5], [15.53, 19.97], [15.18, 19.82], [15.03, 19.47], [14.5, 19.25], [14.25, 19.35], [14.18, 19.32], [14.03, 18.97], [13.68, 18.82], [13.53, 18.47], [13.0, 18.25], [12.75, 18.35], [12.5, 18.25], [12.25, 18.35], [12.0, 18.25], [11.75, 18.35], [11.68, 18.32], [11.53, 17.97], [11.18, 17.82], [11.03, 17.47], [10.5, 17.25], [10.25, 17.35], [10.0, 17.25], [9.47, 17.47], [9.25, 18.0], [9.35, 18.25], [9.25, 18.5], [9.46, 19.0]]]]}, "2022-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, 19.03], [9.82, 19.18], [9.85, 19.25], [9.75, 19.5], [9.97, 20.03], [10.32, 20.18], [10.47, 20.53], [11.0, 20.75], [11.25, 20.65], [11.5, 20.75], [12.03, 20.53], [12.18, 20.18], [12.25, 20.15], [12.5, 20.25], [13.03, 20.03], [13.18, 19.68], [13.53, 19.53], [13.75, 19.0], [13.53, 18.47], [13.0, 18.25], [12.75, 18.35], [12.5, 18.25], [12.25, 18.35], [12.0, 18.25], [11.75, 18.35], [11.68, 18.32], [11.53, 17.97], [11.18, 17.82], [11.03, 17.47], [10.5, 17.25], [10.25, 17.35], [10.0, 17.25], [9.47, 17.47], [9.25, 18.0], [9.35, 18.25], [9.25, 18.5], [9.47, 19.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.929362908388782}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8330496162960166}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.1982005158456, 35.77639114730505, 35.53098651209507, 36.047999293478654, 35.45377030870935]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.32677672721189, 36.634955306782274, 36.40877438653598, 37.01162700020626, 36.30001023289611]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5159116340050218, 1.7341735335116342, 1.6533550481696757, 2.169355842184975, 1.7293986698139936]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6486755973050435, 2.0563988039506853, 1.9572281790530042, 2.929362908388782, 2.1059614548462378]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3592776216833526, 1.5324674894714276, 1.4591035344462915, 1.9272343948563044, 1.553746412987638]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4623094777455312, 1.831044749691552, 1.6989507216962787, 2.5618597433067807, 1.9015281877509924]}}