{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:34:20.109635", "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": "2023-Feb-12_to_2023-Feb-15_44.5_19.5"}, "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": 2023020001779}, "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": "February 12 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 15 2023"}, "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": 84721.89342647616}, "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": 19.5}, "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": 44.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "44.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 42.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 46.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.25, 20.0], [42.47, 20.53], [43.0, 20.75], [43.5, 20.54], [44.0, 20.75], [44.53, 20.53], [44.68, 20.18], [45.03, 20.03], [45.25, 19.5], [45.03, 18.97], [44.68, 18.82], [44.65, 18.75], [44.75, 18.5], [44.53, 17.97], [44.0, 17.75], [43.47, 17.97], [43.25, 18.5], [43.35, 18.75], [43.32, 18.82], [42.97, 18.97], [42.82, 19.32], [42.47, 19.47], [42.25, 20.0]]]]}, "2023-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.25, 20.0], [42.47, 20.53], [43.0, 20.75], [43.5, 20.54], [43.82, 20.68], [43.97, 21.03], [44.5, 21.25], [44.75, 21.15], [45.0, 21.25], [45.53, 21.03], [45.68, 20.68], [46.03, 20.53], [46.18, 20.18], [46.53, 20.03], [46.75, 19.5], [46.65, 19.25], [46.75, 19.0], [46.65, 18.75], [46.75, 18.5], [46.65, 18.25], [46.75, 18.0], [46.65, 17.75], [46.75, 17.5], [46.53, 16.97], [46.0, 16.75], [45.75, 16.85], [45.5, 16.75], [44.97, 16.97], [44.82, 17.32], [44.75, 17.35], [44.5, 17.25], [43.97, 17.47], [43.82, 17.82], [43.47, 17.97], [43.25, 18.5], [43.35, 18.75], [43.32, 18.82], [42.97, 18.97], [42.82, 19.32], [42.47, 19.47], [42.25, 20.0]]]]}, "2023-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.25, 20.0], [42.47, 20.53], [43.0, 20.75], [43.5, 20.54], [43.82, 20.68], [43.97, 21.03], [44.5, 21.25], [44.75, 21.15], [45.0, 21.25], [45.53, 21.03], [45.68, 20.68], [46.03, 20.53], [46.18, 20.18], [46.53, 20.03], [46.75, 19.5], [46.65, 19.25], [46.75, 19.0], [46.65, 18.75], [46.75, 18.5], [46.65, 18.25], [46.75, 18.0], [46.65, 17.75], [46.75, 17.5], [46.53, 16.97], [46.0, 16.75], [45.75, 16.85], [45.5, 16.75], [44.97, 16.97], [44.82, 17.32], [44.75, 17.35], [44.5, 17.25], [43.97, 17.47], [43.82, 17.82], [43.47, 17.97], [43.25, 18.5], [43.35, 18.75], [43.32, 18.82], [42.97, 18.97], [42.82, 19.32], [42.47, 19.47], [42.25, 20.0]]]]}, "2023-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.75, 19.5], [42.97, 20.03], [43.5, 20.25], [43.75, 20.15], [43.82, 20.18], [43.85, 20.25], [43.75, 20.5], [43.97, 21.03], [44.5, 21.25], [44.75, 21.15], [45.0, 21.25], [45.53, 21.03], [45.68, 20.68], [46.03, 20.53], [46.18, 20.18], [46.53, 20.03], [46.75, 19.5], [46.65, 19.25], [46.75, 19.0], [46.65, 18.75], [46.75, 18.5], [46.65, 18.25], [46.75, 18.0], [46.65, 17.75], [46.75, 17.5], [46.53, 16.97], [46.0, 16.75], [45.75, 16.85], [45.5, 16.75], [44.97, 16.97], [44.82, 17.32], [44.75, 17.35], [44.5, 17.25], [43.97, 17.47], [43.82, 17.82], [43.47, 17.97], [43.25, 18.5], [43.35, 18.75], [43.32, 18.82], [42.97, 18.97], [42.75, 19.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.125832305017923}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.863441604532488}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.083984903561486, 24.65401347888934, 24.822537272644354, 24.97929785927397]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.187711915749787, 26.466546813853313, 26.125519739965, 26.136095769757787]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.370040831078264, 4.915904139631776, 4.89323127532983, 4.903015361687202]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.342803201941763, 6.1152933406837064, 6.036247475216328, 6.125832305017923]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4248280497048043, 1.5990638730714806, 1.6042615421337652, 1.6359182045351441]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.658710389017171, 1.9115003933333048, 1.9443639591746973, 2.0127931675760684]}}