{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:55.132323", "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-16_to_2016-Jul-20_40.5_20.5"}, "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": 2016070002342}, "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 16 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 20 2016"}, "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": 61201.360347116046}, "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": ["Red Sea"]}, "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": 20.5}, "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": 43.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.47, 21.53], [40.0, 21.75], [40.53, 21.53], [40.68, 21.18], [40.75, 21.15], [41.0, 21.25], [41.53, 21.03], [41.68, 20.68], [41.75, 20.65], [42.0, 20.75], [42.53, 20.53], [42.68, 20.18], [43.03, 20.03], [43.25, 19.5], [43.15, 19.25], [43.18, 19.18], [43.53, 19.03], [43.68, 18.68], [44.03, 18.53], [44.25, 18.0], [44.03, 17.47], [43.5, 17.25], [42.97, 17.47], [42.82, 17.82], [42.75, 17.85], [42.5, 17.75], [41.97, 17.97], [41.8, 18.38], [41.68, 18.32], [41.53, 17.97], [41.0, 17.75], [40.75, 17.85], [40.5, 17.75], [39.97, 17.97], [39.75, 18.5], [39.85, 18.75], [39.75, 19.0], [39.96, 19.5], [39.82, 19.82], [39.47, 19.97], [39.25, 20.5], [39.35, 20.75], [39.25, 21.0], [39.47, 21.53]]]]}, "2016-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.47, 21.53], [40.0, 21.75], [40.53, 21.53], [40.68, 21.18], [40.75, 21.15], [41.0, 21.25], [41.53, 21.03], [41.68, 20.68], [41.75, 20.65], [42.0, 20.75], [42.53, 20.53], [42.68, 20.18], [43.03, 20.03], [43.25, 19.5], [43.15, 19.25], [43.18, 19.18], [43.53, 19.03], [43.68, 18.68], [44.03, 18.53], [44.25, 18.0], [44.03, 17.47], [43.5, 17.25], [42.97, 17.47], [42.82, 17.82], [42.75, 17.85], [42.5, 17.75], [41.97, 17.97], [41.8, 18.38], [41.68, 18.32], [41.53, 17.97], [41.0, 17.75], [40.75, 17.85], [40.5, 17.75], [39.97, 17.97], [39.75, 18.5], [39.85, 18.75], [39.75, 19.0], [39.96, 19.5], [39.82, 19.82], [39.47, 19.97], [39.25, 20.5], [39.35, 20.75], [39.25, 21.0], [39.47, 21.53]]]]}, "2016-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.47, 21.53], [40.0, 21.75], [40.53, 21.53], [40.68, 21.18], [40.75, 21.15], [41.0, 21.25], [41.53, 21.03], [41.68, 20.68], [41.75, 20.65], [42.0, 20.75], [42.53, 20.53], [42.68, 20.18], [43.03, 20.03], [43.25, 19.5], [43.15, 19.25], [43.18, 19.18], [43.53, 19.03], [43.68, 18.68], [44.03, 18.53], [44.25, 18.0], [44.03, 17.47], [43.5, 17.25], [42.97, 17.47], [42.82, 17.82], [42.75, 17.85], [42.5, 17.75], [41.97, 17.97], [41.8, 18.38], [41.68, 18.32], [41.53, 17.97], [41.0, 17.75], [40.75, 17.85], [40.5, 17.75], [39.97, 17.97], [39.75, 18.5], [39.85, 18.75], [39.75, 19.0], [39.96, 19.5], [39.82, 19.82], [39.47, 19.97], [39.25, 20.5], [39.35, 20.75], [39.25, 21.0], [39.47, 21.53]]]]}, "2016-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.5, 21.25], [41.03, 21.03], [41.25, 20.5], [41.03, 19.97], [40.5, 19.75], [39.97, 19.97], [39.75, 20.5], [39.97, 21.03], [40.5, 21.25]]]]}, "2016-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.5, 21.25], [41.03, 21.03], [41.25, 20.5], [41.03, 19.97], [40.5, 19.75], [39.97, 19.97], [39.75, 20.5], [39.97, 21.03], [40.5, 21.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.794987283906096}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.3432441936704898}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.07679136752449, 33.57394955633612, 32.8771704682805, 37.842475249618076, 37.3622826517892]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [37.884885179939545, 39.855374627844355, 37.989507673378114, 37.842475249618076, 37.3622826517892]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.221925616790513, 2.7186659439750813, 2.0529801966129804, 2.898973946642627, 2.546891736989153]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.3525012923612962, 4.794987283906096, 3.022140968773897, 2.898973946642627, 2.546891736989153]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7031249254667005, 2.071977321037193, 1.5470390276861232, 1.7544424918465216, 1.5470218170833567]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1276441778269635, 2.881324408879924, 1.8587140007052103, 1.7544424918465216, 1.5470218170833567]}}