{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:15.118811", "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": "2014-Aug-28_to_2014-Sep-01_355.0_9.5"}, "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": 2014080003095}, "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": "August 28 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 01 2014"}, "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": 85411.28096040859}, "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": ["C\u00f4te d'Ivoire", "Ghana"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-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": 9.5}, "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": 355.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "355.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 353.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 358.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.75, 9.5], [-6.53, 10.03], [-6.0, 10.25], [-5.75, 10.15], [-5.68, 10.18], [-5.53, 10.53], [-5.0, 10.75], [-4.47, 10.53], [-4.25, 10.0], [-4.35, 9.75], [-4.25, 9.5], [-4.35, 9.25], [-4.25, 9.0], [-4.35, 8.75], [-4.25, 8.5], [-4.47, 7.97], [-5.0, 7.75], [-5.53, 7.97], [-5.68, 8.32], [-6.03, 8.47], [-6.18, 8.82], [-6.53, 8.97], [-6.75, 9.5]]]]}, "2014-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.53, 10.03], [-6.0, 10.25], [-5.75, 10.15], [-5.68, 10.18], [-5.53, 10.53], [-5.0, 10.75], [-4.47, 10.53], [-4.32, 10.18], [-3.97, 10.03], [-3.82, 9.68], [-3.75, 9.65], [-3.68, 9.68], [-3.53, 10.03], [-3.18, 10.18], [-3.03, 10.53], [-2.68, 10.68], [-2.53, 11.03], [-2.0, 11.25], [-1.75, 11.15], [-1.5, 11.25], [-0.97, 11.03], [-0.75, 10.5], [-0.85, 10.25], [-0.75, 10.0], [-0.85, 9.75], [-0.75, 9.5], [-0.85, 9.25], [-0.75, 9.0], [-0.97, 8.47], [-1.5, 8.25], [-1.75, 8.35], [-2.0, 8.25], [-2.25, 8.35], [-2.5, 8.25], [-2.75, 8.35], [-3.0, 8.25], [-3.25, 8.35], [-3.32, 8.32], [-3.47, 7.97], [-4.0, 7.75], [-4.25, 7.85], [-4.32, 7.82], [-4.47, 7.47], [-5.0, 7.25], [-5.53, 7.47], [-5.7, 7.88], [-6.0, 7.75], [-6.53, 7.97], [-6.75, 8.5], [-6.54, 9.0], [-6.75, 9.5], [-6.53, 10.03]]]]}, "2014-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.53, 10.03], [-6.0, 10.25], [-5.75, 10.15], [-5.68, 10.18], [-5.53, 10.53], [-5.0, 10.75], [-4.47, 10.53], [-4.32, 10.18], [-3.97, 10.03], [-3.82, 9.68], [-3.75, 9.65], [-3.68, 9.68], [-3.53, 10.03], [-3.18, 10.18], [-3.03, 10.53], [-2.68, 10.68], [-2.53, 11.03], [-2.0, 11.25], [-1.75, 11.15], [-1.5, 11.25], [-0.97, 11.03], [-0.75, 10.5], [-0.85, 10.25], [-0.75, 10.0], [-0.85, 9.75], [-0.75, 9.5], [-0.85, 9.25], [-0.75, 9.0], [-0.97, 8.47], [-1.5, 8.25], [-1.75, 8.35], [-2.0, 8.25], [-2.25, 8.35], [-2.5, 8.25], [-2.75, 8.35], [-3.0, 8.25], [-3.25, 8.35], [-3.32, 8.32], [-3.47, 7.97], [-4.0, 7.75], [-4.25, 7.85], [-4.32, 7.82], [-4.47, 7.47], [-5.0, 7.25], [-5.53, 7.47], [-5.7, 7.88], [-6.0, 7.75], [-6.53, 7.97], [-6.75, 8.5], [-6.54, 9.0], [-6.75, 9.5], [-6.53, 10.03]]]]}, "2014-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.68, 9.68], [-5.53, 10.03], [-5.0, 10.25], [-4.75, 10.15], [-4.5, 10.25], [-3.97, 10.03], [-3.82, 9.68], [-3.75, 9.65], [-3.68, 9.68], [-3.53, 10.03], [-3.18, 10.18], [-3.03, 10.53], [-2.68, 10.68], [-2.53, 11.03], [-2.0, 11.25], [-1.75, 11.15], [-1.5, 11.25], [-0.97, 11.03], [-0.75, 10.5], [-0.85, 10.25], [-0.75, 10.0], [-0.85, 9.75], [-0.75, 9.5], [-0.85, 9.25], [-0.75, 9.0], [-0.97, 8.47], [-1.5, 8.25], [-1.75, 8.35], [-2.0, 8.25], [-2.25, 8.35], [-2.5, 8.25], [-2.75, 8.35], [-3.0, 8.25], [-3.25, 8.35], [-3.32, 8.32], [-3.47, 7.97], [-4.0, 7.75], [-4.25, 7.85], [-4.32, 7.82], [-4.47, 7.47], [-5.0, 7.25], [-5.53, 7.47], [-5.7, 7.88], [-6.0, 7.75], [-6.53, 7.97], [-6.75, 8.5], [-6.53, 9.03], [-6.18, 9.18], [-6.03, 9.53], [-5.68, 9.68]]]]}, "2014-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.53, 7.97], [-6.75, 8.5], [-6.53, 9.03], [-6.0, 9.25], [-5.47, 9.03], [-5.3, 8.62], [-5.18, 8.68], [-5.03, 9.03], [-4.5, 9.25], [-3.97, 9.03], [-3.75, 8.5], [-3.97, 7.97], [-4.32, 7.82], [-4.47, 7.47], [-5.0, 7.25], [-5.53, 7.47], [-5.7, 7.88], [-6.0, 7.75], [-6.53, 7.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.972155422386095}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6694463419577883}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.138929473586757, 27.55894985765252, 26.638693575911873, 26.564866589702945, 26.030945792468685]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.39715391015693, 28.55764196894728, 27.411480681841283, 27.18368661913371, 26.09158556143035]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1531240883056333, 2.3949846545349436, 1.4608033711089823, 1.3054513437251285, 1.083133396287053]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.243731343091497, 2.972155422386095, 1.8194389256560157, 1.6149321418294562, 1.128264357975013]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.250064359829293, 2.6370915882070056, 1.6035528200687996, 1.4711456371870357, 1.303561778091406]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3890085927712996, 3.2582711554791257, 2.077268794030082, 1.8541185436665626, 1.353411328320289]}}