{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:32:58.963914", "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": "2022-Oct-31_to_2022-Nov-03_51.5_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": 2022100002760}, "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": "October 31 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 03 2022"}, "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": 66386.00585663109}, "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", "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": ["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": 51.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "51.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 46.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 52.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.97, 28.53], [49.5, 28.75], [50.03, 28.53], [50.25, 28.0], [50.15, 27.75], [50.25, 27.5], [50.03, 26.97], [49.5, 26.75], [48.97, 26.97], [48.75, 27.5], [48.85, 27.75], [48.75, 28.0], [48.97, 28.53]]]]}, "2022-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.32, 26.18], [47.47, 26.53], [47.82, 26.68], [47.97, 27.03], [48.32, 27.18], [48.47, 27.53], [48.82, 27.68], [48.85, 27.75], [48.75, 28.0], [48.97, 28.53], [49.5, 28.75], [50.03, 28.53], [50.2, 28.13], [50.5, 28.25], [50.75, 28.15], [51.0, 28.25], [51.53, 28.03], [51.75, 27.5], [51.65, 27.25], [51.68, 27.18], [52.03, 27.03], [52.18, 26.68], [52.53, 26.53], [52.75, 26.0], [52.53, 25.47], [52.18, 25.32], [52.03, 24.97], [51.5, 24.75], [50.97, 24.97], [50.8, 25.38], [50.5, 25.25], [49.97, 25.47], [49.82, 25.82], [49.5, 25.96], [49.18, 25.82], [49.03, 25.47], [48.68, 25.32], [48.53, 24.97], [48.0, 24.75], [47.75, 24.85], [47.68, 24.82], [47.53, 24.47], [47.0, 24.25], [46.47, 24.47], [46.25, 25.0], [46.47, 25.53], [46.82, 25.68], [46.97, 26.03], [47.32, 26.18]]]]}, "2022-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.32, 26.18], [47.47, 26.53], [47.82, 26.68], [47.97, 27.03], [48.32, 27.18], [48.47, 27.53], [48.82, 27.68], [48.85, 27.75], [48.75, 28.0], [48.97, 28.53], [49.5, 28.75], [50.03, 28.53], [50.2, 28.13], [50.5, 28.25], [50.75, 28.15], [51.0, 28.25], [51.53, 28.03], [51.75, 27.5], [51.65, 27.25], [51.68, 27.18], [52.03, 27.03], [52.18, 26.68], [52.53, 26.53], [52.75, 26.0], [52.53, 25.47], [52.18, 25.32], [52.03, 24.97], [51.5, 24.75], [50.97, 24.97], [50.8, 25.38], [50.5, 25.25], [49.97, 25.47], [49.82, 25.82], [49.5, 25.96], [49.18, 25.82], [49.03, 25.47], [48.68, 25.32], [48.53, 24.97], [48.0, 24.75], [47.75, 24.85], [47.68, 24.82], [47.53, 24.47], [47.0, 24.25], [46.47, 24.47], [46.25, 25.0], [46.47, 25.53], [46.82, 25.68], [46.97, 26.03], [47.32, 26.18]]]]}, "2022-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.32, 26.18], [47.47, 26.53], [47.82, 26.68], [47.97, 27.03], [48.32, 27.18], [48.47, 27.53], [49.0, 27.75], [49.25, 27.65], [49.5, 27.75], [49.75, 27.65], [49.82, 27.68], [49.97, 28.03], [50.5, 28.25], [50.75, 28.15], [51.0, 28.25], [51.53, 28.03], [51.75, 27.5], [51.65, 27.25], [51.68, 27.18], [52.03, 27.03], [52.18, 26.68], [52.53, 26.53], [52.75, 26.0], [52.53, 25.47], [52.18, 25.32], [52.03, 24.97], [51.5, 24.75], [50.97, 24.97], [50.8, 25.38], [50.5, 25.25], [49.97, 25.47], [49.82, 25.82], [49.5, 25.96], [49.18, 25.82], [49.03, 25.47], [48.68, 25.32], [48.53, 24.97], [48.0, 24.75], [47.75, 24.85], [47.68, 24.82], [47.53, 24.47], [47.0, 24.25], [46.47, 24.47], [46.25, 25.0], [46.47, 25.53], [46.82, 25.68], [46.97, 26.03], [47.32, 26.18]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.005762647839845}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.853739969521049}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.41678628369243, 29.258855183533626, 29.62988165689643, 29.31354613040736]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.577325590305236, 30.092594613693734, 30.634639346432266, 30.996323542063124]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9237417236594467, 2.4970948293692956, 3.0955350176853877, 3.0635762740401913]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9258274247267764, 4.003350232996809, 5.005762647839845, 4.141962699090527]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5588831423795864, 1.657731893293717, 2.0353399869169224, 1.9439307138069302]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5710860242154983, 1.915735134560176, 2.2907643508440496, 2.5715269878460254]}}