{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:32.690451", "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-Jul-14_to_2017-Jul-17_25.0_14.5"}, "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": 2017070002135}, "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 14 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 17 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": 56817.20176419172}, "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": ["Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "N.Eastern-Africa", "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": 14.5}, "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": 25.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "25.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 24.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.47, 13.97], [24.25, 14.5], [24.47, 15.03], [25.0, 15.25], [25.25, 15.15], [25.32, 15.18], [25.47, 15.53], [25.82, 15.68], [25.97, 16.03], [26.5, 16.25], [26.75, 16.15], [27.0, 16.25], [27.53, 16.03], [27.68, 15.68], [27.75, 15.65], [28.0, 15.75], [28.25, 15.65], [28.5, 15.75], [29.03, 15.53], [29.25, 15.0], [29.15, 14.75], [29.18, 14.68], [29.53, 14.53], [29.75, 14.0], [29.53, 13.47], [29.0, 13.25], [28.75, 13.35], [28.5, 13.25], [28.25, 13.35], [28.0, 13.25], [27.47, 13.47], [27.32, 13.82], [27.25, 13.85], [27.18, 13.82], [27.03, 13.47], [26.5, 13.25], [25.97, 13.47], [25.8, 13.88], [25.5, 13.75], [25.25, 13.85], [25.0, 13.75], [24.47, 13.97]]]]}, "2017-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.75, 15.0], [23.97, 15.53], [24.5, 15.75], [25.03, 15.53], [25.18, 15.18], [25.25, 15.15], [25.32, 15.18], [25.47, 15.53], [25.82, 15.68], [25.97, 16.03], [26.5, 16.25], [26.75, 16.15], [27.0, 16.25], [27.53, 16.03], [27.68, 15.68], [27.75, 15.65], [28.0, 15.75], [28.25, 15.65], [28.5, 15.75], [29.03, 15.53], [29.25, 15.0], [29.15, 14.75], [29.18, 14.68], [29.53, 14.53], [29.75, 14.0], [29.53, 13.47], [29.0, 13.25], [28.75, 13.35], [28.5, 13.25], [28.25, 13.35], [28.0, 13.25], [27.47, 13.47], [27.32, 13.82], [27.25, 13.85], [27.18, 13.82], [27.03, 13.47], [26.5, 13.25], [25.97, 13.47], [25.8, 13.88], [25.5, 13.75], [25.25, 13.85], [25.0, 13.75], [24.47, 13.97], [24.32, 14.32], [23.97, 14.47], [23.75, 15.0]]]]}, "2017-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.75, 15.0], [23.97, 15.53], [24.5, 15.75], [25.03, 15.53], [25.18, 15.18], [25.25, 15.15], [25.32, 15.18], [25.47, 15.53], [25.82, 15.68], [25.97, 16.03], [26.5, 16.25], [26.75, 16.15], [27.0, 16.25], [27.53, 16.03], [27.68, 15.68], [27.75, 15.65], [28.0, 15.75], [28.25, 15.65], [28.5, 15.75], [29.03, 15.53], [29.25, 15.0], [29.15, 14.75], [29.18, 14.68], [29.53, 14.53], [29.75, 14.0], [29.53, 13.47], [29.0, 13.25], [28.75, 13.35], [28.5, 13.25], [28.25, 13.35], [28.0, 13.25], [27.47, 13.47], [27.32, 13.82], [27.25, 13.85], [27.18, 13.82], [27.03, 13.47], [26.5, 13.25], [25.97, 13.47], [25.8, 13.88], [25.5, 13.75], [25.25, 13.85], [25.0, 13.75], [24.47, 13.97], [24.32, 14.32], [23.97, 14.47], [23.75, 15.0]]]]}, "2017-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.5, 15.75], [25.03, 15.53], [25.25, 15.0], [25.03, 14.47], [24.5, 14.25], [23.97, 14.47], [23.75, 15.0], [23.97, 15.53], [24.5, 15.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.4150599338715892}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.6969917745606193}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.383195356758847, 31.814477197053293, 31.53865568823909, 29.97854304572286]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.35573634072449, 34.09462616456307, 33.659703082142016, 29.97854304572286]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.371627379686572, 2.9589748580812953, 2.760470247077266, 2.3697813175843407]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.6634688008716694, 3.319491874273865, 3.4150599338715892, 2.3697813175843407]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2742715528530038, 1.5813569414874726, 1.4632024675466384, 1.2806103725933367]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4770523964178945, 1.8258724557866015, 1.857254634960521, 1.2806103725933367]}}