{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:40.008039", "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": "2011-Oct-03_to_2011-Oct-07_30.5_15.5"}, "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": 2011100001721}, "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 03 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 07 2011"}, "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": 71557.85977098212}, "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": ["Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa", "Sahara"]}, "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": []}, "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": 15.5}, "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": 30.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "30.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 27.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 31.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.97, 13.47], [26.75, 14.0], [26.97, 14.53], [27.5, 14.75], [27.75, 14.65], [28.0, 14.75], [28.43, 14.57], [28.25, 15.0], [28.47, 15.53], [28.82, 15.68], [28.97, 16.03], [29.32, 16.18], [29.47, 16.53], [30.0, 16.75], [30.25, 16.65], [30.5, 16.75], [30.75, 16.65], [31.0, 16.75], [31.53, 16.53], [31.75, 16.0], [31.65, 15.75], [31.75, 15.5], [31.53, 14.97], [31.18, 14.82], [31.03, 14.47], [30.5, 14.25], [30.25, 14.35], [30.0, 14.25], [29.5, 14.46], [29.0, 14.25], [28.57, 14.43], [28.75, 14.0], [28.53, 13.47], [28.0, 13.25], [27.75, 13.35], [27.5, 13.25], [26.97, 13.47]]]]}, "2011-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.97, 15.03], [27.5, 15.25], [27.8, 15.13], [27.97, 15.53], [28.32, 15.68], [28.35, 15.75], [28.25, 16.0], [28.47, 16.53], [29.0, 16.75], [29.25, 16.65], [29.32, 16.68], [29.35, 16.75], [29.25, 17.0], [29.47, 17.53], [30.0, 17.75], [30.53, 17.53], [30.68, 17.18], [31.03, 17.03], [31.18, 16.68], [31.53, 16.53], [31.75, 16.0], [31.65, 15.75], [31.75, 15.5], [31.53, 14.97], [31.18, 14.82], [31.03, 14.47], [30.5, 14.25], [30.25, 14.35], [30.0, 14.25], [29.7, 14.38], [29.53, 13.97], [29.18, 13.82], [29.03, 13.47], [28.68, 13.32], [28.53, 12.97], [28.0, 12.75], [27.47, 12.97], [27.32, 13.32], [26.97, 13.47], [26.75, 14.0], [26.85, 14.25], [26.75, 14.5], [26.97, 15.03]]]]}, "2011-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.97, 15.03], [27.5, 15.25], [27.8, 15.13], [27.97, 15.53], [28.32, 15.68], [28.35, 15.75], [28.25, 16.0], [28.47, 16.53], [29.0, 16.75], [29.25, 16.65], [29.32, 16.68], [29.35, 16.75], [29.25, 17.0], [29.47, 17.53], [30.0, 17.75], [30.53, 17.53], [30.68, 17.18], [31.03, 17.03], [31.18, 16.68], [31.53, 16.53], [31.75, 16.0], [31.65, 15.75], [31.75, 15.5], [31.53, 14.97], [31.18, 14.82], [31.03, 14.47], [30.5, 14.25], [30.25, 14.35], [30.0, 14.25], [29.7, 14.38], [29.53, 13.97], [29.18, 13.82], [29.03, 13.47], [28.68, 13.32], [28.53, 12.97], [28.0, 12.75], [27.47, 12.97], [27.32, 13.32], [26.97, 13.47], [26.75, 14.0], [26.85, 14.25], [26.75, 14.5], [26.97, 15.03]]]]}, "2011-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.97, 15.03], [27.5, 15.25], [27.8, 15.13], [27.97, 15.53], [28.32, 15.68], [28.35, 15.75], [28.25, 16.0], [28.47, 16.53], [29.0, 16.75], [29.25, 16.65], [29.32, 16.68], [29.35, 16.75], [29.25, 17.0], [29.47, 17.53], [30.0, 17.75], [30.53, 17.53], [30.68, 17.18], [31.03, 17.03], [31.25, 16.5], [31.15, 16.25], [31.25, 16.0], [31.15, 15.75], [31.25, 15.5], [31.03, 14.97], [30.68, 14.82], [30.53, 14.47], [30.0, 14.25], [29.7, 14.38], [29.53, 13.97], [29.18, 13.82], [29.03, 13.47], [28.68, 13.32], [28.53, 12.97], [28.0, 12.75], [27.47, 12.97], [27.32, 13.32], [26.97, 13.47], [26.75, 14.0], [26.85, 14.25], [26.75, 14.5], [26.97, 15.03]]]]}, "2011-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.47, 12.97], [27.25, 13.5], [27.47, 14.03], [28.0, 14.25], [28.53, 14.03], [28.75, 13.5], [28.53, 12.97], [28.0, 12.75], [27.47, 12.97]]], [[[31.03, 16.03], [31.25, 15.5], [31.03, 14.97], [30.68, 14.82], [30.53, 14.47], [30.0, 14.25], [29.47, 14.47], [29.25, 15.0], [29.47, 15.53], [29.82, 15.68], [29.97, 16.03], [30.5, 16.25], [31.03, 16.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.667475244043544}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.89066183954469}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.90072430268168, 33.059952614938936, 32.814318439240594, 32.73413396848309, 32.54452886604855]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.76515441805748, 33.93966521361489, 33.82887862816057, 33.44339100397036, 32.959540092167174]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6772261909064905, 2.0414479992832355, 1.8669825730262797, 1.8975523415160154, 1.681612608527568]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9950412942199023, 2.667475244043544, 2.1009502724330673, 2.5249045170651243, 1.7463505725537516]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3653937374784402, 1.5446551465742544, 1.409551093970954, 1.4054928976364218, 1.2107632983150494]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6193095894570644, 1.931976047075531, 1.6245631699067327, 1.882501754478545, 1.2610367166622578]}}