{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:54.803693", "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-Jul-15_to_2016-Jul-19_11.5_24.5"}, "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": 2016070002254}, "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 15 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 19 2016"}, "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": 75747.64922892764}, "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": ["Algeria", "Libya"]}, "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": 24.5}, "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": 11.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "11.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 9.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 14.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.25}, "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": {"2016-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.75, 24.0], [9.97, 24.53], [10.5, 24.75], [11.03, 24.53], [11.18, 24.18], [11.3, 24.13], [11.35, 24.25], [11.25, 24.5], [11.47, 25.03], [11.82, 25.18], [11.97, 25.53], [12.32, 25.68], [12.47, 26.03], [13.0, 26.25], [13.25, 26.15], [13.5, 26.25], [14.03, 26.03], [14.18, 25.68], [14.53, 25.53], [14.75, 25.0], [14.54, 24.5], [14.75, 24.0], [14.53, 23.47], [14.18, 23.32], [14.03, 22.97], [13.5, 22.75], [12.97, 22.97], [12.82, 23.32], [12.75, 23.35], [12.5, 23.25], [12.25, 23.35], [12.0, 23.25], [11.7, 23.38], [11.53, 22.97], [11.0, 22.75], [10.47, 22.97], [10.32, 23.32], [9.97, 23.47], [9.75, 24.0]]]]}, "2016-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.75, 24.0], [9.97, 24.53], [10.5, 24.75], [10.8, 24.63], [10.85, 24.75], [10.75, 25.0], [10.97, 25.53], [11.5, 25.75], [12.0, 25.54], [12.32, 25.68], [12.47, 26.03], [13.0, 26.25], [13.25, 26.15], [13.5, 26.25], [14.03, 26.03], [14.18, 25.68], [14.53, 25.53], [14.75, 25.0], [14.54, 24.5], [14.75, 24.0], [14.53, 23.47], [14.18, 23.32], [14.03, 22.97], [13.5, 22.75], [12.97, 22.97], [12.82, 23.32], [12.75, 23.35], [12.5, 23.25], [12.25, 23.35], [12.0, 23.25], [11.7, 23.38], [11.53, 22.97], [11.0, 22.75], [10.47, 22.97], [10.32, 23.32], [9.97, 23.47], [9.75, 24.0]]]]}, "2016-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.75, 25.5], [8.97, 26.03], [9.32, 26.18], [9.47, 26.53], [10.0, 26.75], [10.25, 26.65], [10.5, 26.75], [11.03, 26.53], [11.18, 26.18], [11.53, 26.03], [11.68, 25.68], [12.0, 25.54], [12.32, 25.68], [12.47, 26.03], [13.0, 26.25], [13.25, 26.15], [13.5, 26.25], [14.03, 26.03], [14.18, 25.68], [14.53, 25.53], [14.75, 25.0], [14.54, 24.5], [14.75, 24.0], [14.53, 23.47], [14.18, 23.32], [14.03, 22.97], [13.5, 22.75], [12.97, 22.97], [12.82, 23.32], [12.75, 23.35], [12.5, 23.25], [12.25, 23.35], [12.0, 23.25], [11.7, 23.38], [11.53, 22.97], [11.0, 22.75], [10.47, 22.97], [10.32, 23.32], [9.97, 23.47], [9.75, 24.0], [9.88, 24.3], [9.47, 24.47], [9.32, 24.82], [8.97, 24.97], [8.75, 25.5]]]]}, "2016-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.75, 25.5], [8.97, 26.03], [9.32, 26.18], [9.47, 26.53], [10.0, 26.75], [10.25, 26.65], [10.5, 26.75], [11.03, 26.53], [11.18, 26.18], [11.53, 26.03], [11.68, 25.68], [12.0, 25.54], [12.5, 25.75], [13.03, 25.53], [13.25, 25.0], [13.03, 24.47], [12.5, 24.25], [12.2, 24.38], [12.03, 23.97], [11.5, 23.75], [11.25, 23.85], [11.0, 23.75], [10.47, 23.97], [10.32, 24.32], [10.25, 24.35], [10.0, 24.25], [9.47, 24.47], [9.32, 24.82], [8.97, 24.97], [8.75, 25.5]]]]}, "2016-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.75, 25.5], [8.97, 26.03], [9.32, 26.18], [9.47, 26.53], [10.0, 26.75], [10.25, 26.65], [10.5, 26.75], [11.03, 26.53], [11.18, 26.18], [11.53, 26.03], [11.75, 25.5], [11.65, 25.25], [11.68, 25.18], [12.03, 25.03], [12.25, 24.5], [12.03, 23.97], [11.5, 23.75], [11.25, 23.85], [11.0, 23.75], [10.47, 23.97], [10.32, 24.32], [10.25, 24.35], [10.0, 24.25], [9.47, 24.47], [9.32, 24.82], [8.97, 24.97], [8.75, 25.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.11785985568747}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.0486245771313776}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.88046240809564, 33.409635150843314, 33.8176491546713, 35.12508854726866, 35.06729426717936]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.135218414698556, 34.98520180777581, 36.48382766220351, 37.291486114799625, 36.4386980569916]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7562597830470583, 3.292346345853961, 2.917302235960533, 3.345588492889734, 3.042022227107292]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.4602410873105214, 3.7644057606624415, 3.2833668919503225, 4.11785985568747, 3.4970293585180343]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5649593824873285, 1.872136027211012, 1.6274987993067624, 1.8694712236312645, 1.7456886524280897]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8386756705007785, 2.259378681787921, 1.8554087704120275, 2.2087863280910414, 2.0231565247612058]}}