{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:54.811769", "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-18_351.5_22.0"}, "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": 2016070002255}, "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 18 2016"}, "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": 56688.25589642297}, "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": 22.0}, "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": 351.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "351.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 348.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 351.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 25.25}, "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": [[[[-10.0, 24.25], [-9.47, 24.03], [-9.25, 23.5], [-9.47, 22.97], [-10.0, 22.75], [-10.53, 22.97], [-10.75, 23.5], [-10.53, 24.03], [-10.0, 24.25]]]]}, "2016-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.03, 22.97], [-12.25, 23.5], [-12.03, 24.03], [-11.5, 24.25], [-11.25, 24.15], [-11.18, 24.18], [-11.03, 24.53], [-10.68, 24.68], [-10.65, 24.75], [-10.75, 25.0], [-10.53, 25.53], [-10.0, 25.75], [-9.75, 25.65], [-9.5, 25.75], [-8.97, 25.53], [-8.75, 25.0], [-8.85, 24.75], [-8.75, 24.5], [-8.85, 24.25], [-8.75, 24.0], [-8.85, 23.75], [-8.82, 23.68], [-8.47, 23.53], [-8.25, 23.0], [-8.35, 22.75], [-8.32, 22.68], [-7.97, 22.53], [-7.75, 22.0], [-7.97, 21.47], [-8.5, 21.25], [-9.03, 21.47], [-9.18, 21.82], [-9.25, 21.85], [-9.5, 21.75], [-9.75, 21.85], [-10.0, 21.75], [-10.53, 21.97], [-10.68, 22.32], [-11.03, 22.47], [-11.18, 22.82], [-11.25, 22.85], [-11.5, 22.75], [-12.03, 22.97]]]]}, "2016-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.03, 22.97], [-12.25, 23.5], [-12.03, 24.03], [-11.5, 24.25], [-11.25, 24.15], [-11.18, 24.18], [-11.03, 24.53], [-10.68, 24.68], [-10.65, 24.75], [-10.75, 25.0], [-10.53, 25.53], [-10.0, 25.75], [-9.75, 25.65], [-9.5, 25.75], [-8.97, 25.53], [-8.75, 25.0], [-8.85, 24.75], [-8.75, 24.5], [-8.85, 24.25], [-8.75, 24.0], [-8.85, 23.75], [-8.82, 23.68], [-8.47, 23.53], [-8.25, 23.0], [-8.35, 22.75], [-8.32, 22.68], [-7.97, 22.53], [-7.75, 22.0], [-7.97, 21.47], [-8.5, 21.25], [-9.03, 21.47], [-9.18, 21.82], [-9.25, 21.85], [-9.5, 21.75], [-9.75, 21.85], [-10.0, 21.75], [-10.53, 21.97], [-10.68, 22.32], [-11.03, 22.47], [-11.18, 22.82], [-11.25, 22.85], [-11.5, 22.75], [-12.03, 22.97]]]]}, "2016-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.03, 22.97], [-12.25, 23.5], [-12.03, 24.03], [-11.5, 24.25], [-11.25, 24.15], [-11.18, 24.18], [-11.03, 24.53], [-10.68, 24.68], [-10.65, 24.75], [-10.75, 25.0], [-10.53, 25.53], [-10.0, 25.75], [-9.75, 25.65], [-9.5, 25.75], [-8.97, 25.53], [-8.75, 25.0], [-8.85, 24.75], [-8.75, 24.5], [-8.85, 24.25], [-8.75, 24.0], [-8.85, 23.75], [-8.82, 23.68], [-8.47, 23.53], [-8.25, 23.0], [-8.35, 22.75], [-8.32, 22.68], [-7.97, 22.53], [-7.75, 22.0], [-7.97, 21.47], [-8.5, 21.25], [-9.03, 21.47], [-9.18, 21.82], [-9.25, 21.85], [-9.5, 21.75], [-9.75, 21.85], [-10.0, 21.75], [-10.53, 21.97], [-10.68, 22.32], [-11.03, 22.47], [-11.18, 22.82], [-11.25, 22.85], [-11.5, 22.75], [-12.03, 22.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.018032402628592}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.1346483423838887}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [39.5592700241566, 39.62565983792547, 40.001319181648284, 39.42003966773842]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [39.5592700241566, 40.64985965519037, 40.91579286556322, 40.005721655377044]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.722418840604007, 3.1235822953779833, 3.4567930559577293, 2.844181150904947]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.722418840604007, 4.018032402628592, 3.922973680096163, 3.6370186848366757]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [0.9843302610502669, 1.1777859606302632, 1.3300218865588778, 1.0853276155054432]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [0.9843302610502669, 1.443777115098946, 2.127011253843512, 1.32645288032289]}}