{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:28.094652", "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": "2015-Dec-06_to_2015-Dec-09_25.5_1.0"}, "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": 2015120001352}, "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": "December 06 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 09 2015"}, "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": 135973.65099751434}, "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": ["Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "S.Eastern-Africa"]}, "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": 1.0}, "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": 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": 22.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 28.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.75, -1.0], [26.97, -0.47], [27.5, -0.25], [27.75, -0.35], [28.0, -0.25], [28.53, -0.47], [28.75, -1.0], [28.63, -1.3], [29.03, -1.47], [29.25, -2.0], [29.03, -2.53], [28.5, -2.75], [27.97, -2.53], [27.75, -2.0], [27.88, -1.7], [27.75, -1.65], [27.5, -1.75], [26.97, -1.53], [26.75, -1.0]]], [[[21.97, 1.53], [22.5, 1.75], [22.75, 1.65], [23.0, 1.75], [23.5, 1.54], [24.0, 1.75], [24.25, 1.65], [24.5, 1.75], [24.75, 1.65], [24.88, 1.7], [24.75, 2.0], [24.97, 2.53], [25.5, 2.75], [26.03, 2.53], [26.25, 2.0], [26.04, 1.5], [26.25, 1.0], [26.15, 0.75], [26.25, 0.5], [26.03, -0.03], [25.5, -0.25], [25.25, -0.15], [25.18, -0.18], [25.03, -0.53], [24.5, -0.75], [24.25, -0.65], [24.0, -0.75], [23.75, -0.65], [23.5, -0.75], [22.97, -0.53], [22.82, -0.18], [22.47, -0.03], [22.32, 0.32], [21.97, 0.47], [21.75, 1.0], [21.97, 1.53]]]]}, "2015-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.75, 1.0], [21.97, 1.53], [22.5, 1.75], [22.75, 1.65], [23.0, 1.75], [23.5, 1.54], [24.0, 1.75], [24.25, 1.65], [24.32, 1.68], [24.35, 1.75], [24.32, 1.82], [23.97, 1.97], [23.75, 2.5], [23.97, 3.03], [24.5, 3.25], [24.75, 3.15], [24.82, 3.18], [24.97, 3.53], [25.5, 3.75], [26.03, 3.53], [26.25, 3.0], [26.13, 2.7], [26.5, 2.54], [27.0, 2.75], [27.53, 2.53], [27.75, 2.0], [27.65, 1.75], [27.68, 1.68], [27.75, 1.65], [28.0, 1.75], [28.25, 1.65], [28.5, 1.75], [29.03, 1.53], [29.25, 1.0], [29.03, 0.47], [28.5, 0.25], [28.25, 0.35], [28.18, 0.32], [28.04, 0.0], [28.18, -0.32], [28.53, -0.47], [28.68, -0.82], [29.03, -0.97], [29.25, -1.5], [29.15, -1.75], [29.25, -2.0], [29.03, -2.53], [28.5, -2.75], [27.97, -2.53], [27.75, -2.0], [27.85, -1.75], [27.82, -1.68], [27.75, -1.65], [27.5, -1.75], [26.97, -1.53], [26.75, -1.0], [26.85, -0.75], [26.82, -0.68], [26.47, -0.53], [26.32, -0.18], [26.25, -0.15], [26.18, -0.18], [26.03, -0.53], [25.5, -0.75], [25.0, -0.54], [24.5, -0.75], [24.25, -0.65], [24.0, -0.75], [23.75, -0.65], [23.5, -0.75], [22.97, -0.53], [22.82, -0.18], [22.47, -0.03], [22.32, 0.32], [21.97, 0.47], [21.75, 1.0]]]]}, "2015-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.75, 1.0], [21.97, 1.53], [22.5, 1.75], [22.75, 1.65], [23.0, 1.75], [23.5, 1.54], [24.0, 1.75], [24.25, 1.65], [24.32, 1.68], [24.35, 1.75], [24.32, 1.82], [23.97, 1.97], [23.75, 2.5], [23.97, 3.03], [24.5, 3.25], [24.75, 3.15], [24.82, 3.18], [24.97, 3.53], [25.5, 3.75], [26.03, 3.53], [26.25, 3.0], [26.13, 2.7], [26.5, 2.54], [27.0, 2.75], [27.53, 2.53], [27.75, 2.0], [27.65, 1.75], [27.68, 1.68], [27.75, 1.65], [28.0, 1.75], [28.25, 1.65], [28.5, 1.75], [29.03, 1.53], [29.25, 1.0], [29.03, 0.47], [28.5, 0.25], [28.25, 0.35], [28.18, 0.32], [28.04, 0.0], [28.18, -0.32], [28.53, -0.47], [28.68, -0.82], [29.03, -0.97], [29.25, -1.5], [29.15, -1.75], [29.25, -2.0], [29.03, -2.53], [28.5, -2.75], [27.97, -2.53], [27.75, -2.0], [27.85, -1.75], [27.82, -1.68], [27.75, -1.65], [27.5, -1.75], [26.97, -1.53], [26.75, -1.0], [26.85, -0.75], [26.82, -0.68], [26.47, -0.53], [26.32, -0.18], [26.25, -0.15], [26.18, -0.18], [26.03, -0.53], [25.5, -0.75], [25.0, -0.54], [24.5, -0.75], [24.25, -0.65], [24.0, -0.75], [23.75, -0.65], [23.5, -0.75], [22.97, -0.53], [22.82, -0.18], [22.47, -0.03], [22.32, 0.32], [21.97, 0.47], [21.75, 1.0]]]]}, "2015-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.75, 2.5], [23.97, 3.03], [24.5, 3.25], [24.75, 3.15], [24.82, 3.18], [24.97, 3.53], [25.5, 3.75], [26.03, 3.53], [26.25, 3.0], [26.13, 2.7], [26.5, 2.54], [27.0, 2.75], [27.53, 2.53], [27.75, 2.0], [27.65, 1.75], [27.68, 1.68], [27.75, 1.65], [28.0, 1.75], [28.25, 1.65], [28.5, 1.75], [29.03, 1.53], [29.25, 1.0], [29.03, 0.47], [28.5, 0.25], [28.25, 0.35], [28.18, 0.32], [28.04, 0.0], [28.18, -0.32], [28.53, -0.47], [28.68, -0.82], [29.03, -0.97], [29.25, -1.5], [29.15, -1.75], [29.25, -2.0], [29.03, -2.53], [28.5, -2.75], [27.97, -2.53], [27.75, -2.0], [27.85, -1.75], [27.82, -1.68], [27.47, -1.53], [27.32, -1.18], [26.97, -1.03], [26.82, -0.68], [26.47, -0.53], [26.32, -0.18], [26.25, -0.15], [26.18, -0.18], [26.03, -0.53], [25.5, -0.75], [24.97, -0.53], [24.75, 0.0], [24.85, 0.25], [24.82, 0.32], [24.47, 0.47], [24.25, 1.0], [24.35, 1.25], [24.25, 1.5], [24.35, 1.75], [24.32, 1.82], [23.97, 1.97], [23.75, 2.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5239913080544056}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6855552067007702}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.211830878794217, 25.71578389672419, 25.34691608834271, 25.054639326337337]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.432719727658423, 26.857792041205016, 26.564722804252767, 26.13773931286238]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2821641109343198, 2.0026143659818896, 1.6366259028557977, 1.5522235028418054]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.553773256068098, 2.5239913080544056, 2.0723479256434416, 1.8908165113435302]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5132120584719024, 2.1892509119826093, 1.7634283476234074, 1.6288514267546754]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7545683072190257, 2.5649890521449814, 2.1407410365757666, 1.9094855602160408]}}