{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:17.026636", "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": "2015-Nov-20_to_2015-Nov-23_40.5_22.5"}, "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": 2015110002038}, "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": "November 20 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 23 2015"}, "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": 51174.869633862145}, "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": ["Saudi Arabia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 22.5}, "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": 40.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "40.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 39.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 41.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.25}, "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": {"2015-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.97, 23.53], [40.5, 23.75], [41.03, 23.53], [41.2, 23.13], [41.5, 23.25], [42.03, 23.03], [42.25, 22.5], [42.03, 21.97], [41.5, 21.75], [41.0, 21.96], [40.5, 21.75], [39.97, 21.97], [39.75, 22.5], [39.85, 22.75], [39.75, 23.0], [39.97, 23.53]]]]}, "2015-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, 23.97], [38.75, 24.5], [38.97, 25.03], [39.5, 25.25], [39.75, 25.15], [39.82, 25.18], [39.97, 25.53], [40.5, 25.75], [41.03, 25.53], [41.25, 25.0], [41.15, 24.75], [41.18, 24.68], [41.53, 24.53], [41.75, 24.0], [41.65, 23.75], [41.75, 23.5], [41.65, 23.25], [41.68, 23.18], [42.03, 23.03], [42.25, 22.5], [42.15, 22.25], [42.25, 22.0], [42.03, 21.47], [41.68, 21.32], [41.53, 20.97], [41.0, 20.75], [40.75, 20.85], [40.5, 20.75], [40.25, 20.85], [40.0, 20.75], [39.47, 20.97], [39.25, 21.5], [39.47, 22.03], [39.88, 22.2], [39.75, 22.5], [39.85, 22.75], [39.75, 23.0], [39.85, 23.25], [39.75, 23.5], [39.85, 23.75], [39.82, 23.82], [39.75, 23.85], [39.5, 23.75], [38.97, 23.97]]]]}, "2015-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, 23.97], [38.75, 24.5], [38.97, 25.03], [39.5, 25.25], [39.75, 25.15], [39.82, 25.18], [39.97, 25.53], [40.5, 25.75], [41.03, 25.53], [41.25, 25.0], [41.15, 24.75], [41.18, 24.68], [41.53, 24.53], [41.75, 24.0], [41.65, 23.75], [41.75, 23.5], [41.65, 23.25], [41.68, 23.18], [42.03, 23.03], [42.25, 22.5], [42.15, 22.25], [42.25, 22.0], [42.03, 21.47], [41.68, 21.32], [41.53, 20.97], [41.0, 20.75], [40.75, 20.85], [40.5, 20.75], [40.25, 20.85], [40.0, 20.75], [39.47, 20.97], [39.25, 21.5], [39.47, 22.03], [39.88, 22.2], [39.75, 22.5], [39.85, 22.75], [39.75, 23.0], [39.85, 23.25], [39.75, 23.5], [39.85, 23.75], [39.82, 23.82], [39.75, 23.85], [39.5, 23.75], [38.97, 23.97]]]]}, "2015-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, 23.97], [38.75, 24.5], [38.97, 25.03], [39.5, 25.25], [39.75, 25.15], [39.82, 25.18], [39.97, 25.53], [40.5, 25.75], [41.03, 25.53], [41.25, 25.0], [41.15, 24.75], [41.18, 24.68], [41.53, 24.53], [41.75, 24.0], [41.65, 23.75], [41.75, 23.5], [41.65, 23.25], [41.68, 23.18], [42.03, 23.03], [42.25, 22.5], [42.15, 22.25], [42.25, 22.0], [42.03, 21.47], [41.68, 21.32], [41.53, 20.97], [41.0, 20.75], [40.75, 20.85], [40.5, 20.75], [40.25, 20.85], [40.0, 20.75], [39.47, 20.97], [39.25, 21.5], [39.47, 22.03], [39.88, 22.2], [39.75, 22.5], [39.85, 22.75], [39.75, 23.0], [39.85, 23.25], [39.75, 23.5], [39.85, 23.75], [39.82, 23.82], [39.75, 23.85], [39.5, 23.75], [38.97, 23.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.60996396770031}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.932599169044542}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.999907837640592, 24.19301618270714, 24.675118708293724, 24.188054059919182]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.305565640434963, 26.730934766918097, 26.738865202434795, 26.774081712695192]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.3291433972466202, 2.6277654308817975, 3.2918046405645023, 2.9788033976536465]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.4318481825922618, 3.1683216226815034, 4.60996396770031, 3.529319375748514]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2563972256787033, 1.3892746681573946, 1.7391869237635522, 1.5944703678718384]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2693757605862364, 1.568286733026302, 2.163404544440515, 1.9112834638887968]}}