{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:33.928915", "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": "2010-Apr-20_to_2010-Apr-23_50.5_26.5"}, "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": 2010040002015}, "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": "April 20 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 23 2010"}, "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": 54692.39690745316}, "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": ["Bahrain"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "W.C.Asia"]}, "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": ["Persian Gulf"]}, "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": 26.5}, "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": 50.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "50.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 48.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 51.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 25.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-04-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.35, 28.75], [48.25, 29.0], [48.47, 29.53], [49.0, 29.75], [49.25, 29.65], [49.5, 29.75], [49.75, 29.65], [50.0, 29.75], [50.53, 29.53], [50.68, 29.18], [51.03, 29.03], [51.25, 28.5], [51.15, 28.25], [51.25, 28.0], [51.15, 27.75], [51.18, 27.68], [51.53, 27.53], [51.75, 27.0], [51.65, 26.75], [51.75, 26.5], [51.53, 25.97], [51.18, 25.82], [51.03, 25.47], [50.5, 25.25], [49.97, 25.47], [49.75, 26.0], [49.85, 26.25], [49.82, 26.32], [49.47, 26.47], [49.32, 26.82], [48.97, 26.97], [48.82, 27.32], [48.47, 27.47], [48.25, 28.0], [48.35, 28.25], [48.25, 28.5], [48.35, 28.75]]]]}, "2010-04-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.35, 28.75], [48.25, 29.0], [48.47, 29.53], [49.0, 29.75], [49.25, 29.65], [49.5, 29.75], [49.75, 29.65], [50.0, 29.75], [50.53, 29.53], [50.68, 29.18], [51.03, 29.03], [51.25, 28.5], [51.15, 28.25], [51.25, 28.0], [51.15, 27.75], [51.18, 27.68], [51.53, 27.53], [51.75, 27.0], [51.65, 26.75], [51.75, 26.5], [51.53, 25.97], [51.18, 25.82], [51.03, 25.47], [50.5, 25.25], [49.97, 25.47], [49.75, 26.0], [49.85, 26.25], [49.82, 26.32], [49.47, 26.47], [49.32, 26.82], [48.97, 26.97], [48.82, 27.32], [48.47, 27.47], [48.25, 28.0], [48.35, 28.25], [48.25, 28.5], [48.35, 28.75]]]]}, "2010-04-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.35, 28.75], [48.25, 29.0], [48.47, 29.53], [49.0, 29.75], [49.25, 29.65], [49.5, 29.75], [49.75, 29.65], [50.0, 29.75], [50.53, 29.53], [50.68, 29.18], [51.03, 29.03], [51.25, 28.5], [51.15, 28.25], [51.25, 28.0], [51.15, 27.75], [51.18, 27.68], [51.53, 27.53], [51.75, 27.0], [51.65, 26.75], [51.75, 26.5], [51.53, 25.97], [51.18, 25.82], [51.03, 25.47], [50.5, 25.25], [49.97, 25.47], [49.75, 26.0], [49.85, 26.25], [49.82, 26.32], [49.47, 26.47], [49.32, 26.82], [48.97, 26.97], [48.82, 27.32], [48.47, 27.47], [48.25, 28.0], [48.35, 28.25], [48.25, 28.5], [48.35, 28.75]]]]}, "2010-04-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.25, 28.0], [48.47, 28.53], [49.0, 28.75], [49.25, 28.65], [49.32, 28.68], [49.47, 29.03], [50.0, 29.25], [50.25, 29.15], [50.5, 29.25], [51.03, 29.03], [51.25, 28.5], [51.15, 28.25], [51.25, 28.0], [51.15, 27.75], [51.18, 27.68], [51.53, 27.53], [51.75, 27.0], [51.65, 26.75], [51.75, 26.5], [51.53, 25.97], [51.18, 25.82], [51.03, 25.47], [50.5, 25.25], [49.97, 25.47], [49.75, 26.0], [49.85, 26.25], [49.82, 26.32], [49.47, 26.47], [49.32, 26.82], [48.97, 26.97], [48.82, 27.32], [48.47, 27.47], [48.25, 28.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.8936253762316824}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9677054721342453}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.69189033334351, 25.844011769534802, 26.36811626783242, 26.299909113035255]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.538374364397157, 26.603959937810203, 27.845034717497356, 27.526735538706987]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8475962434990065, 1.8670984215956168, 2.2426643588984776, 1.895381995347092]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.173722096257734, 2.1250271797234745, 2.8936253762316824, 2.423695651746243]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5948084698941831, 1.6521021201813784, 1.9475174719089474, 1.6234461781161993]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8735417086017823, 1.8598589424038063, 2.3992604108076754, 2.0096787798506535]}}