{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:33.598806", "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": "2017-Nov-19_to_2017-Nov-22_52.0_25.0"}, "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": 2017110002265}, "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": "November 19 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 22 2017"}, "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": 55557.443546192386}, "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", "Qatar", "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": 25.0}, "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": 52.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "52.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 49.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 52.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.25}, "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": {"2017-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[51.35, 25.25], [51.25, 25.5], [51.47, 26.03], [52.0, 26.25], [52.53, 26.03], [52.68, 25.68], [53.03, 25.53], [53.25, 25.0], [53.15, 24.75], [53.25, 24.5], [53.03, 23.97], [52.5, 23.75], [52.25, 23.85], [52.0, 23.75], [51.47, 23.97], [51.25, 24.5], [51.35, 24.75], [51.25, 25.0], [51.35, 25.25]]]]}, "2017-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.75, 27.0], [48.97, 27.53], [49.32, 27.68], [49.47, 28.03], [50.0, 28.25], [50.25, 28.15], [50.5, 28.25], [51.03, 28.03], [51.18, 27.68], [51.53, 27.53], [51.75, 27.0], [51.57, 26.57], [52.0, 26.75], [52.53, 26.53], [52.75, 26.0], [52.65, 25.75], [52.68, 25.68], [53.03, 25.53], [53.25, 25.0], [53.15, 24.75], [53.25, 24.5], [53.03, 23.97], [52.5, 23.75], [52.25, 23.85], [52.0, 23.75], [51.47, 23.97], [51.32, 24.32], [50.97, 24.47], [50.82, 24.82], [50.75, 24.85], [50.5, 24.75], [49.97, 24.97], [49.82, 25.32], [49.47, 25.47], [49.25, 26.0], [49.35, 26.25], [49.32, 26.32], [48.97, 26.47], [48.75, 27.0]], [[51.32, 26.18], [51.43, 26.43], [51.18, 26.32], [51.15, 26.25], [51.18, 26.18], [51.25, 26.15], [51.32, 26.18]]]]}, "2017-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.75, 27.0], [48.97, 27.53], [49.32, 27.68], [49.47, 28.03], [50.0, 28.25], [50.25, 28.15], [50.5, 28.25], [51.03, 28.03], [51.18, 27.68], [51.53, 27.53], [51.75, 27.0], [51.57, 26.57], [52.0, 26.75], [52.53, 26.53], [52.75, 26.0], [52.65, 25.75], [52.68, 25.68], [53.03, 25.53], [53.25, 25.0], [53.15, 24.75], [53.25, 24.5], [53.03, 23.97], [52.5, 23.75], [52.25, 23.85], [52.0, 23.75], [51.47, 23.97], [51.32, 24.32], [50.97, 24.47], [50.82, 24.82], [50.75, 24.85], [50.5, 24.75], [49.97, 24.97], [49.82, 25.32], [49.47, 25.47], [49.25, 26.0], [49.35, 26.25], [49.32, 26.32], [48.97, 26.47], [48.75, 27.0]], [[51.32, 26.18], [51.43, 26.43], [51.18, 26.32], [51.15, 26.25], [51.18, 26.18], [51.25, 26.15], [51.32, 26.18]]]]}, "2017-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.75, 27.0], [48.97, 27.53], [49.32, 27.68], [49.47, 28.03], [50.0, 28.25], [50.25, 28.15], [50.5, 28.25], [51.03, 28.03], [51.18, 27.68], [51.53, 27.53], [51.75, 27.0], [51.57, 26.57], [52.0, 26.75], [52.53, 26.53], [52.75, 26.0], [52.65, 25.75], [52.75, 25.5], [52.65, 25.25], [52.75, 25.0], [52.65, 24.75], [52.75, 24.5], [52.53, 23.97], [52.0, 23.75], [51.47, 23.97], [51.32, 24.32], [50.97, 24.47], [50.82, 24.82], [50.75, 24.85], [50.5, 24.75], [49.97, 24.97], [49.82, 25.32], [49.47, 25.47], [49.25, 26.0], [49.35, 26.25], [49.32, 26.32], [48.97, 26.47], [48.75, 27.0]], [[51.32, 26.18], [51.43, 26.43], [51.18, 26.32], [51.15, 26.25], [51.18, 26.18], [51.25, 26.15], [51.32, 26.18]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.031241314236695}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4768517128875067}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.113616244618242, 26.40678755297654, 26.389452232217593, 26.150545035766697]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.306027255156494, 27.274372582454646, 27.174923610721805, 27.41503112809511]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6406510281208397, 2.4143115746575576, 2.562473077321937, 2.68348387398438]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7284445583143224, 3.6356161706618764, 4.031241314236695, 3.8936129796318255]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3780260944182248, 1.5381480277124377, 1.605844056170347, 1.6481032938410278]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4196261230669758, 1.7241928534138062, 1.8500754276249378, 1.9011280206443657]}}