{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:32.837100", "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": "2016-Oct-27_to_2016-Oct-29_352.5_25.5"}, "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": 2016100002730}, "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": "October 27 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 29 2016"}, "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": 50510.77934574411}, "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": ["Mauritania"]}, "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": 25.5}, "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": 352.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "352.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 350.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 353.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 22.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.65, 23.75], [-9.75, 24.0], [-9.53, 24.53], [-9.18, 24.68], [-9.15, 24.75], [-9.25, 25.0], [-9.15, 25.25], [-9.25, 25.5], [-9.03, 26.03], [-8.68, 26.18], [-8.53, 26.53], [-8.0, 26.75], [-7.75, 26.65], [-7.5, 26.75], [-7.25, 26.65], [-7.0, 26.75], [-6.47, 26.53], [-6.25, 26.0], [-6.35, 25.75], [-6.25, 25.5], [-6.47, 24.97], [-6.82, 24.82], [-6.97, 24.47], [-7.32, 24.32], [-7.35, 24.25], [-7.25, 24.0], [-7.47, 23.47], [-7.82, 23.32], [-7.97, 22.97], [-8.32, 22.82], [-8.47, 22.47], [-9.0, 22.25], [-9.53, 22.47], [-9.75, 23.0], [-9.65, 23.25], [-9.75, 23.5], [-9.65, 23.75]]]]}, "2016-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.65, 23.75], [-9.75, 24.0], [-9.53, 24.53], [-9.18, 24.68], [-9.15, 24.75], [-9.25, 25.0], [-9.15, 25.25], [-9.25, 25.5], [-9.03, 26.03], [-8.68, 26.18], [-8.53, 26.53], [-8.0, 26.75], [-7.75, 26.65], [-7.5, 26.75], [-7.25, 26.65], [-7.0, 26.75], [-6.47, 26.53], [-6.25, 26.0], [-6.35, 25.75], [-6.25, 25.5], [-6.47, 24.97], [-6.82, 24.82], [-6.97, 24.47], [-7.32, 24.32], [-7.35, 24.25], [-7.25, 24.0], [-7.47, 23.47], [-7.82, 23.32], [-7.97, 22.97], [-8.32, 22.82], [-8.47, 22.47], [-9.0, 22.25], [-9.53, 22.47], [-9.75, 23.0], [-9.65, 23.25], [-9.75, 23.5], [-9.65, 23.75]]]]}, "2016-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.65, 23.75], [-9.75, 24.0], [-9.53, 24.53], [-9.18, 24.68], [-9.15, 24.75], [-9.25, 25.0], [-9.15, 25.25], [-9.25, 25.5], [-9.03, 26.03], [-8.68, 26.18], [-8.53, 26.53], [-8.0, 26.75], [-7.75, 26.65], [-7.5, 26.75], [-7.25, 26.65], [-7.0, 26.75], [-6.47, 26.53], [-6.25, 26.0], [-6.35, 25.75], [-6.25, 25.5], [-6.47, 24.97], [-6.82, 24.82], [-6.97, 24.47], [-7.32, 24.32], [-7.35, 24.25], [-7.25, 24.0], [-7.47, 23.47], [-7.82, 23.32], [-7.97, 22.97], [-8.32, 22.82], [-8.47, 22.47], [-9.0, 22.25], [-9.53, 22.47], [-9.75, 23.0], [-9.65, 23.25], [-9.75, 23.5], [-9.65, 23.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.151742379462462}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.174243680506364}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.2624693039956, 28.956710266964308, 27.572928872394073]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.620569433019284, 30.846457004318665, 29.70931843516388]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.545504650236122, 4.540588320154238, 3.4366380711287325]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.151742379462462, 4.955879210066598, 3.9457734901461095]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7343985023683186, 1.7631879949209848, 1.324140044134081]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0044734184158686, 1.9642151172044693, 1.5145888784372104]}}