{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:16.395899", "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": "2013-Aug-17_to_2013-Aug-21_40.5_25.5"}, "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": 2013080002503}, "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": "August 17 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 21 2013"}, "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": 80242.89909783589}, "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": 25.5}, "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": 39.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 44.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 25.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.85, 26.25], [39.75, 26.5], [39.97, 27.03], [40.5, 27.25], [41.03, 27.03], [41.25, 26.5], [41.15, 26.25], [41.25, 26.0], [41.15, 25.75], [41.25, 25.5], [41.03, 24.97], [40.5, 24.75], [39.97, 24.97], [39.75, 25.5], [39.85, 25.75], [39.75, 26.0], [39.85, 26.25]]]]}, "2013-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.25, 26.5], [39.47, 27.03], [39.82, 27.18], [39.97, 27.53], [40.5, 27.75], [40.75, 27.65], [41.0, 27.75], [41.25, 27.65], [41.5, 27.75], [41.75, 27.65], [42.0, 27.75], [42.25, 27.65], [42.5, 27.75], [43.03, 27.53], [43.18, 27.18], [43.3, 27.13], [43.47, 27.53], [44.0, 27.75], [44.53, 27.53], [44.75, 27.0], [44.53, 26.47], [44.0, 26.25], [43.7, 26.38], [43.65, 26.25], [43.75, 26.0], [43.53, 25.47], [43.0, 25.25], [42.75, 25.35], [42.5, 25.25], [41.97, 25.47], [41.82, 25.82], [41.7, 25.88], [41.53, 25.47], [41.18, 25.32], [41.03, 24.97], [40.5, 24.75], [39.97, 24.97], [39.75, 25.5], [39.85, 25.75], [39.82, 25.82], [39.47, 25.97], [39.25, 26.5]]]]}, "2013-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.25, 26.5], [39.47, 27.03], [39.82, 27.18], [39.97, 27.53], [40.5, 27.75], [40.75, 27.65], [41.0, 27.75], [41.25, 27.65], [41.5, 27.75], [41.75, 27.65], [41.82, 27.68], [41.97, 28.03], [42.5, 28.25], [42.75, 28.15], [43.0, 28.25], [43.53, 28.03], [43.68, 27.68], [43.75, 27.65], [44.0, 27.75], [44.25, 27.65], [44.5, 27.75], [45.03, 27.53], [45.25, 27.0], [45.03, 26.47], [44.63, 26.3], [44.75, 26.0], [44.53, 25.47], [44.18, 25.32], [44.03, 24.97], [43.5, 24.75], [43.25, 24.85], [43.0, 24.75], [42.75, 24.85], [42.5, 24.75], [41.97, 24.97], [41.82, 25.32], [41.5, 25.46], [41.18, 25.32], [41.03, 24.97], [40.5, 24.75], [39.97, 24.97], [39.75, 25.5], [39.85, 25.75], [39.82, 25.82], [39.47, 25.97], [39.25, 26.5]]]]}, "2013-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.25, 26.5], [39.47, 27.03], [39.82, 27.18], [39.97, 27.53], [40.5, 27.75], [40.75, 27.65], [41.0, 27.75], [41.25, 27.65], [41.5, 27.75], [41.75, 27.65], [41.82, 27.68], [41.97, 28.03], [42.5, 28.25], [42.75, 28.15], [43.0, 28.25], [43.53, 28.03], [43.68, 27.68], [43.75, 27.65], [44.0, 27.75], [44.25, 27.65], [44.5, 27.75], [45.03, 27.53], [45.25, 27.0], [45.03, 26.47], [44.63, 26.3], [44.75, 26.0], [44.53, 25.47], [44.18, 25.32], [44.03, 24.97], [43.5, 24.75], [43.25, 24.85], [43.0, 24.75], [42.75, 24.85], [42.5, 24.75], [41.97, 24.97], [41.82, 25.32], [41.5, 25.46], [41.18, 25.32], [41.03, 24.97], [40.5, 24.75], [39.97, 24.97], [39.75, 25.5], [39.85, 25.75], [39.82, 25.82], [39.47, 25.97], [39.25, 26.5]]]]}, "2013-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.97, 24.97], [39.75, 25.5], [39.97, 26.03], [40.5, 26.25], [41.03, 26.03], [41.25, 25.5], [41.03, 24.97], [40.5, 24.75], [39.97, 24.97]]], [[[41.82, 27.18], [41.85, 27.25], [41.75, 27.5], [41.97, 28.03], [42.5, 28.25], [42.75, 28.15], [43.0, 28.25], [43.53, 28.03], [43.68, 27.68], [43.75, 27.65], [44.0, 27.75], [44.25, 27.65], [44.5, 27.75], [45.03, 27.53], [45.25, 27.0], [45.03, 26.47], [44.63, 26.3], [44.75, 26.0], [44.53, 25.47], [44.18, 25.32], [44.03, 24.97], [43.5, 24.75], [43.25, 24.85], [43.0, 24.75], [42.75, 24.85], [42.5, 24.75], [41.97, 24.97], [41.82, 25.32], [41.47, 25.47], [41.25, 26.0], [41.35, 26.25], [41.25, 26.5], [41.47, 27.03], [41.82, 27.18]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.588328947866046}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.3816464458778173}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.86393635361429, 36.79513659223113, 37.38429263138897, 37.49724460842367, 38.3587128001862]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [37.20997259907722, 38.206714573674674, 38.503750904872504, 39.03035634863221, 39.321975603881185]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.2843283029932877, 2.185265540725321, 2.2982172391946767, 2.376913035198313, 2.6910037318659534]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.318858093938445, 2.5281798113024934, 2.680015311476609, 3.296631524857048, 3.588328947866046]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3164513956023638, 1.2979886549997797, 1.4185706807875813, 1.499761916175418, 1.7782154703711135]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3640616161837067, 1.4828307149021402, 1.6185522402401902, 1.8883562751206844, 2.164715175149583]}}