{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:16.423157", "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-Sep-07_to_2016-Sep-10_25.5_31.5"}, "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": 2016090001390}, "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": "September 07 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 10 2016"}, "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": 112118.78595495629}, "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": ["Egypt", "Libya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": ["Mediterranean Sea - Eastern Basin"]}, "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": 31.5}, "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": 25.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "25.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 23.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 31.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 30.97], [22.75, 31.5], [22.97, 32.03], [23.5, 32.25], [23.75, 32.15], [23.82, 32.18], [23.97, 32.53], [24.5, 32.75], [24.75, 32.65], [24.82, 32.68], [24.85, 32.75], [24.75, 33.0], [24.97, 33.53], [25.32, 33.68], [25.47, 34.03], [26.0, 34.25], [26.25, 34.15], [26.5, 34.25], [26.75, 34.15], [27.0, 34.25], [27.53, 34.03], [27.75, 33.5], [27.65, 33.25], [27.75, 33.0], [27.65, 32.75], [27.68, 32.68], [28.03, 32.53], [28.25, 32.0], [28.15, 31.75], [28.25, 31.5], [28.03, 30.97], [27.5, 30.75], [27.0, 30.96], [26.5, 30.75], [26.25, 30.85], [26.0, 30.75], [25.75, 30.85], [25.5, 30.75], [25.25, 30.85], [25.0, 30.75], [24.75, 30.85], [24.5, 30.75], [24.25, 30.85], [24.0, 30.75], [23.75, 30.85], [23.5, 30.75], [22.97, 30.97]]]]}, "2016-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 30.97], [22.75, 31.5], [22.97, 32.03], [23.5, 32.25], [23.75, 32.15], [23.82, 32.18], [23.97, 32.53], [24.5, 32.75], [24.75, 32.65], [24.82, 32.68], [24.85, 32.75], [24.75, 33.0], [24.97, 33.53], [25.32, 33.68], [25.47, 34.03], [26.0, 34.25], [26.25, 34.15], [26.5, 34.25], [26.75, 34.15], [26.82, 34.18], [26.97, 34.53], [27.5, 34.75], [27.75, 34.65], [28.0, 34.75], [28.25, 34.65], [28.5, 34.75], [29.03, 34.53], [29.18, 34.18], [29.53, 34.03], [29.75, 33.5], [29.65, 33.25], [29.75, 33.0], [29.65, 32.75], [29.75, 32.5], [29.65, 32.25], [29.75, 32.0], [29.53, 31.47], [29.0, 31.25], [28.75, 31.35], [28.68, 31.32], [28.53, 30.97], [28.0, 30.75], [27.75, 30.85], [27.5, 30.75], [27.25, 30.85], [27.0, 30.75], [26.75, 30.85], [26.5, 30.75], [26.25, 30.85], [26.0, 30.75], [25.75, 30.85], [25.5, 30.75], [25.25, 30.85], [25.0, 30.75], [24.75, 30.85], [24.5, 30.75], [24.25, 30.85], [24.0, 30.75], [23.75, 30.85], [23.5, 30.75], [22.97, 30.97]]]]}, "2016-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 30.97], [22.75, 31.5], [22.97, 32.03], [23.5, 32.25], [23.75, 32.15], [23.82, 32.18], [23.97, 32.53], [24.5, 32.75], [24.75, 32.65], [24.82, 32.68], [24.85, 32.75], [24.75, 33.0], [24.97, 33.53], [25.32, 33.68], [25.47, 34.03], [26.0, 34.25], [26.25, 34.15], [26.5, 34.25], [26.75, 34.15], [26.82, 34.18], [26.97, 34.53], [27.5, 34.75], [27.75, 34.65], [28.0, 34.75], [28.25, 34.65], [28.5, 34.75], [29.03, 34.53], [29.18, 34.18], [29.53, 34.03], [29.75, 33.5], [29.65, 33.25], [29.75, 33.0], [29.65, 32.75], [29.75, 32.5], [29.65, 32.25], [29.75, 32.0], [29.53, 31.47], [29.0, 31.25], [28.75, 31.35], [28.68, 31.32], [28.53, 30.97], [28.0, 30.75], [27.75, 30.85], [27.5, 30.75], [27.25, 30.85], [27.0, 30.75], [26.75, 30.85], [26.5, 30.75], [26.25, 30.85], [26.0, 30.75], [25.75, 30.85], [25.5, 30.75], [25.25, 30.85], [25.0, 30.75], [24.75, 30.85], [24.5, 30.75], [24.25, 30.85], [24.0, 30.75], [23.75, 30.85], [23.5, 30.75], [22.97, 30.97]]]]}, "2016-09-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.32, 32.68], [27.35, 32.75], [27.25, 33.0], [27.35, 33.25], [27.32, 33.32], [26.97, 33.47], [26.75, 34.0], [26.97, 34.53], [27.5, 34.75], [27.75, 34.65], [28.0, 34.75], [28.25, 34.65], [28.5, 34.75], [29.03, 34.53], [29.18, 34.18], [29.53, 34.03], [29.75, 33.5], [29.65, 33.25], [29.75, 33.0], [29.65, 32.75], [29.75, 32.5], [29.65, 32.25], [29.75, 32.0], [29.53, 31.47], [29.0, 31.25], [28.75, 31.35], [28.68, 31.32], [28.53, 30.97], [28.0, 30.75], [27.75, 30.85], [27.5, 30.75], [27.25, 30.85], [27.0, 30.75], [26.47, 30.97], [26.25, 31.5], [26.47, 32.03], [26.82, 32.18], [26.97, 32.53], [27.32, 32.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.535796462034568}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9897042227586377}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.43319152071541, 27.641164705859296, 27.82725420924976, 26.73927857554196]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.558293468845648, 30.84153801270429, 30.61220850298156, 27.628506492667213]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.617005648044345, 2.0620251216970593, 2.3498199608425674, 1.5210404096328751]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.828187004737856, 4.444748525477905, 4.535796462034568, 2.1934693290415908]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4875538251504035, 1.9624831276330543, 2.3635181945047012, 1.6460582169953089]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.143423142256971, 3.66492326800546, 3.9965865378170786, 2.4528225909202184]}}