{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:46.728676", "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": "2017-Aug-18_to_2017-Aug-21_31.5_3.5"}, "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": 2017080002327}, "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 18 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 21 2017"}, "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": 55541.97859091673}, "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": ["Congo DRC", "South Sudan", "Uganda"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa", "S.Eastern-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": 3.5}, "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": 31.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 33.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.97, 4.53], [28.5, 4.75], [28.75, 4.65], [29.0, 4.75], [29.53, 4.53], [29.68, 4.18], [30.03, 4.03], [30.25, 3.5], [30.15, 3.25], [30.25, 3.0], [30.03, 2.47], [29.5, 2.25], [28.97, 2.47], [28.82, 2.82], [28.47, 2.97], [28.32, 3.32], [27.97, 3.47], [27.75, 4.0], [27.97, 4.53]]], [[[30.97, 2.97], [30.75, 3.5], [30.97, 4.03], [31.5, 4.25], [32.03, 4.03], [32.25, 3.5], [32.03, 2.97], [31.5, 2.75], [30.97, 2.97]]]]}, "2017-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.75, 4.0], [27.97, 4.53], [28.5, 4.75], [28.75, 4.65], [29.0, 4.75], [29.53, 4.53], [29.68, 4.18], [30.03, 4.03], [30.2, 3.63], [30.32, 3.68], [30.47, 4.03], [31.0, 4.25], [31.25, 4.15], [31.32, 4.18], [31.47, 4.53], [31.82, 4.68], [31.97, 5.03], [32.5, 5.25], [33.03, 5.03], [33.18, 4.68], [33.53, 4.53], [33.75, 4.0], [33.53, 3.47], [33.13, 3.3], [33.25, 3.0], [33.03, 2.47], [32.5, 2.25], [32.25, 2.35], [32.0, 2.25], [31.5, 2.46], [31.18, 2.32], [31.03, 1.97], [30.68, 1.82], [30.53, 1.47], [30.0, 1.25], [29.47, 1.47], [29.25, 2.0], [29.35, 2.25], [29.32, 2.32], [28.97, 2.47], [28.82, 2.82], [28.47, 2.97], [28.32, 3.32], [27.97, 3.47], [27.75, 4.0]]]]}, "2017-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.75, 4.0], [27.97, 4.53], [28.5, 4.75], [28.75, 4.65], [29.0, 4.75], [29.53, 4.53], [29.68, 4.18], [30.03, 4.03], [30.2, 3.63], [30.32, 3.68], [30.47, 4.03], [31.0, 4.25], [31.25, 4.15], [31.32, 4.18], [31.47, 4.53], [31.82, 4.68], [31.97, 5.03], [32.5, 5.25], [33.03, 5.03], [33.18, 4.68], [33.53, 4.53], [33.75, 4.0], [33.53, 3.47], [33.13, 3.3], [33.25, 3.0], [33.03, 2.47], [32.5, 2.25], [32.25, 2.35], [32.0, 2.25], [31.5, 2.46], [31.18, 2.32], [31.03, 1.97], [30.68, 1.82], [30.53, 1.47], [30.0, 1.25], [29.47, 1.47], [29.25, 2.0], [29.35, 2.25], [29.32, 2.32], [28.97, 2.47], [28.82, 2.82], [28.47, 2.97], [28.32, 3.32], [27.97, 3.47], [27.75, 4.0]]]]}, "2017-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.47, 3.03], [29.82, 3.18], [29.97, 3.53], [30.32, 3.68], [30.47, 4.03], [31.0, 4.25], [31.25, 4.15], [31.32, 4.18], [31.47, 4.53], [31.82, 4.68], [31.97, 5.03], [32.5, 5.25], [33.03, 5.03], [33.18, 4.68], [33.53, 4.53], [33.75, 4.0], [33.53, 3.47], [33.13, 3.3], [33.25, 3.0], [33.03, 2.47], [32.5, 2.25], [32.25, 2.35], [32.0, 2.25], [31.5, 2.46], [31.18, 2.32], [31.03, 1.97], [30.68, 1.82], [30.53, 1.47], [30.0, 1.25], [29.47, 1.47], [29.25, 2.0], [29.35, 2.25], [29.25, 2.5], [29.47, 3.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.160994572238451}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.497738190978434}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.38447342008203, 23.984437235115593, 23.838128706135763, 23.913374727001212]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.46708892430621, 26.367494869565462, 26.24750024052969, 26.99123977019184]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1754243848683832, 1.543485565345975, 1.4228239268841618, 1.6868833334200855]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4405457961730121, 2.0430190186780237, 2.128279774280884, 2.160994572238451]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4876334663187778, 1.8103992448135469, 1.6874611647824769, 1.9828317340901935]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.833479135627187, 2.4305777115496845, 2.6714550491108913, 2.4040268139767]}}