{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:49.171388", "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-Oct-26_to_2013-Oct-30_41.0_23.0"}, "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": 2013100002745}, "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 26 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 30 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": 53979.36202018047}, "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": 23.0}, "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": 41.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "41.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 43.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 23.53], [41.0, 23.75], [41.53, 23.53], [41.75, 23.0], [41.65, 22.75], [41.75, 22.5], [41.53, 21.97], [41.0, 21.75], [40.47, 21.97], [40.25, 22.5], [40.35, 22.75], [40.25, 23.0], [40.47, 23.53]]]]}, "2013-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 23.53], [40.82, 23.68], [40.85, 23.75], [40.75, 24.0], [40.85, 24.25], [40.75, 24.5], [40.97, 25.03], [41.5, 25.25], [41.75, 25.15], [42.0, 25.25], [42.25, 25.15], [42.5, 25.25], [42.75, 25.15], [43.0, 25.25], [43.53, 25.03], [43.75, 24.5], [43.53, 23.97], [43.18, 23.82], [43.03, 23.47], [42.68, 23.32], [42.53, 22.97], [42.18, 22.82], [42.15, 22.75], [42.25, 22.5], [42.15, 22.25], [42.25, 22.0], [42.15, 21.75], [42.25, 21.5], [42.03, 20.97], [41.5, 20.75], [40.97, 20.97], [40.75, 21.5], [40.85, 21.75], [40.82, 21.82], [40.47, 21.97], [40.25, 22.5], [40.35, 22.75], [40.25, 23.0], [40.47, 23.53]]]]}, "2013-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 23.53], [40.82, 23.68], [40.85, 23.75], [40.75, 24.0], [40.85, 24.25], [40.75, 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"max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.847868824702175}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.138507304837095}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.245576531322172, 27.39174263943329, 27.181921765103027, 27.254387845947747, 26.832723049938636]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.52759295545883, 28.359931364970294, 28.00729509374912, 27.710428202525065, 27.92282193324246]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.542344526081223, 2.0899706654951538, 2.0598652970722267, 2.342951494029107, 2.1137774996015746]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.597489054193261, 2.847868824702175, 2.6901372105569976, 2.75802849602195, 2.7809446881521467]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2899340420749783, 1.4839740610195022, 1.4054629801034142, 1.5024775755543933, 1.2825905045449209]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.303284049076799, 1.9818346619192193, 1.8806546698434246, 1.7292488300069475, 1.519756125528228]}}