{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:47.805944", "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-22_to_2017-Aug-24_29.0_10.5"}, "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": 2017080002575}, "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 22 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 24 2017"}, "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": 93888.59338961278}, "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": ["N.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": 10.5}, "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": 29.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "29.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 26.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 30.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.25, 11.0], [26.47, 11.53], [26.82, 11.68], [26.97, 12.03], [27.5, 12.25], [27.75, 12.15], [28.0, 12.25], [28.25, 12.15], [28.32, 12.18], [28.35, 12.25], [28.25, 12.5], [28.46, 13.0], [28.25, 13.5], [28.47, 14.03], [28.82, 14.18], [28.97, 14.53], [29.5, 14.75], [29.75, 14.65], [30.0, 14.75], [30.53, 14.53], [30.75, 14.0], [30.65, 13.75], [30.75, 13.5], [30.53, 12.97], [30.18, 12.82], [30.15, 12.75], [30.25, 12.5], [30.13, 12.2], [30.53, 12.03], [30.75, 11.5], [30.65, 11.25], [30.75, 11.0], [30.65, 10.75], [30.75, 10.5], [30.53, 9.97], [30.18, 9.82], [30.03, 9.47], [29.5, 9.25], [29.25, 9.35], [29.18, 9.32], [29.03, 8.97], [28.5, 8.75], [27.97, 8.97], [27.75, 9.5], [27.85, 9.75], [27.82, 9.82], [27.75, 9.85], [27.5, 9.75], [26.97, 9.97], [26.82, 10.32], [26.47, 10.47], [26.25, 11.0]]]]}, "2017-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.25, 11.0], [26.47, 11.53], [26.82, 11.68], [26.97, 12.03], [27.5, 12.25], [27.75, 12.15], [28.0, 12.25], [28.25, 12.15], [28.32, 12.18], [28.35, 12.25], [28.25, 12.5], [28.46, 13.0], [28.25, 13.5], [28.47, 14.03], [28.82, 14.18], [28.97, 14.53], [29.5, 14.75], [29.75, 14.65], [30.0, 14.75], [30.53, 14.53], [30.75, 14.0], [30.65, 13.75], [30.75, 13.5], [30.53, 12.97], [30.18, 12.82], [30.15, 12.75], [30.25, 12.5], [30.13, 12.2], [30.53, 12.03], [30.75, 11.5], [30.65, 11.25], [30.75, 11.0], [30.65, 10.75], [30.75, 10.5], [30.53, 9.97], [30.18, 9.82], [30.03, 9.47], [29.5, 9.25], [29.25, 9.35], [29.18, 9.32], [29.03, 8.97], [28.5, 8.75], [27.97, 8.97], [27.75, 9.5], [27.85, 9.75], [27.82, 9.82], [27.75, 9.85], [27.5, 9.75], [26.97, 9.97], [26.82, 10.32], [26.47, 10.47], [26.25, 11.0]]]]}, "2017-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.25, 11.0], [26.47, 11.53], [26.82, 11.68], [26.97, 12.03], [27.5, 12.25], [27.75, 12.15], [28.0, 12.25], [28.25, 12.15], [28.32, 12.18], [28.35, 12.25], [28.25, 12.5], [28.46, 13.0], [28.25, 13.5], [28.47, 14.03], [28.82, 14.18], [28.97, 14.53], [29.5, 14.75], [29.75, 14.65], [30.0, 14.75], [30.53, 14.53], [30.75, 14.0], [30.65, 13.75], [30.75, 13.5], [30.53, 12.97], [30.18, 12.82], [30.15, 12.75], [30.25, 12.5], [30.13, 12.2], [30.53, 12.03], [30.75, 11.5], [30.65, 11.25], [30.75, 11.0], [30.65, 10.75], [30.75, 10.5], [30.53, 9.97], [30.18, 9.82], [30.03, 9.47], [29.5, 9.25], [29.25, 9.35], [29.18, 9.32], [29.03, 8.97], [28.5, 8.75], [27.97, 8.97], [27.75, 9.5], [27.85, 9.75], [27.82, 9.82], [27.75, 9.85], [27.5, 9.75], [26.97, 9.97], [26.82, 10.32], [26.47, 10.47], [26.25, 11.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.8324214257489757}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0709501995188218}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.175163745581244, 28.41406949525731, 28.225677744469294]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.20265370121666, 31.672247286651896, 30.920394529874386]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9650181392550452, 2.198748438711798, 2.049084020589622]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.563541477409558, 2.8324214257489757, 2.739730210399216]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9233046261588789, 2.1739474546621667, 2.010849029511349]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.7034084743073525, 3.0362215760754503, 2.915563912570988]}}