{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:14.032061", "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-Nov-27_to_2013-Dec-01_16.5_2.0"}, "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": 2013110002604}, "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": "November 27 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 01 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": 86528.87943143821}, "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": ["Cameroon", "Congo", "Congo DRC", "Gabon"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": 2.0}, "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": 16.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "16.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 11.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 18.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.47, -1.53], [11.25, -1.0], [11.47, -0.47], [12.0, -0.25], [12.25, -0.35], [12.32, -0.32], [12.47, 0.03], [13.0, 0.25], [13.25, 0.15], [13.5, 0.25], [13.8, 0.13], [13.85, 0.25], [13.82, 0.32], [13.47, 0.47], [13.25, 1.0], [13.35, 1.25], [13.32, 1.32], [12.97, 1.47], [12.75, 2.0], [12.97, 2.53], [13.5, 2.75], [14.03, 2.53], [14.18, 2.18], [14.53, 2.03], [14.68, 1.68], [15.03, 1.53], [15.18, 1.18], [15.53, 1.03], [15.75, 0.5], [15.65, 0.25], [15.75, 0.0], [15.53, -0.53], [15.18, -0.68], [15.03, -1.03], [14.68, -1.18], [14.53, -1.53], [14.0, -1.75], [13.47, -1.53], [13.32, -1.18], [13.25, -1.15], [13.18, -1.18], [13.03, -1.53], [12.5, -1.75], [12.25, -1.65], [12.0, -1.75], [11.47, -1.53]]]]}, "2013-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.47, -1.53], [11.25, -1.0], [11.47, -0.47], [12.0, -0.25], [12.25, -0.35], [12.32, -0.32], [12.47, 0.03], [13.0, 0.25], [13.25, 0.15], [13.5, 0.25], [13.8, 0.13], [13.85, 0.25], [13.82, 0.32], [13.47, 0.47], [13.25, 1.0], [13.35, 1.25], [13.32, 1.32], [12.97, 1.47], [12.75, 2.0], [12.97, 2.53], [13.5, 2.75], [14.03, 2.53], [14.18, 2.18], [14.53, 2.03], [14.68, 1.68], [15.0, 1.54], [15.38, 1.7], [15.25, 2.0], [15.35, 2.25], [15.25, 2.5], [15.47, 3.03], [16.0, 3.25], [16.25, 3.15], [16.5, 3.25], [17.03, 3.03], [17.25, 2.5], [17.15, 2.25], [17.18, 2.18], [17.25, 2.15], [17.5, 2.25], [18.03, 2.03], [18.25, 1.5], [18.03, 0.97], [17.68, 0.82], [17.53, 0.47], [17.18, 0.32], [17.03, -0.03], [16.5, -0.25], [16.0, -0.04], [15.68, -0.18], [15.53, -0.53], [15.18, -0.68], [15.03, -1.03], [14.68, -1.18], [14.53, -1.53], [14.0, -1.75], [13.47, -1.53], [13.32, -1.18], [13.25, -1.15], [13.18, -1.18], [13.03, -1.53], [12.5, -1.75], [12.25, -1.65], [12.0, -1.75], [11.47, -1.53]]]]}, "2013-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.47, -1.53], [11.25, -1.0], [11.47, -0.47], [12.0, -0.25], [12.25, -0.35], [12.32, -0.32], [12.47, 0.03], [13.0, 0.25], [13.25, 0.15], [13.5, 0.25], [13.8, 0.13], [13.85, 0.25], [13.82, 0.32], [13.47, 0.47], [13.25, 1.0], [13.35, 1.25], [13.32, 1.32], [12.97, 1.47], [12.75, 2.0], [12.97, 2.53], [13.5, 2.75], [14.03, 2.53], [14.18, 2.18], [14.53, 2.03], [14.68, 1.68], [15.0, 1.54], [15.38, 1.7], [15.25, 2.0], [15.35, 2.25], [15.25, 2.5], [15.47, 3.03], [16.0, 3.25], [16.25, 3.15], [16.5, 3.25], [17.03, 3.03], [17.25, 2.5], [17.15, 2.25], [17.18, 2.18], [17.25, 2.15], [17.5, 2.25], [18.03, 2.03], [18.18, 1.68], [18.53, 1.53], [18.75, 1.0], [18.53, 0.47], [18.0, 0.25], [17.5, 0.46], [17.18, 0.32], [17.03, -0.03], [16.5, -0.25], [16.0, -0.04], [15.68, -0.18], [15.53, -0.53], [15.18, -0.68], [15.03, -1.03], [14.68, -1.18], [14.53, -1.53], [14.0, -1.75], [13.47, -1.53], [13.32, -1.18], [13.25, -1.15], [13.18, -1.18], [13.03, -1.53], [12.5, -1.75], [12.25, -1.65], [12.0, -1.75], [11.47, -1.53]]]]}, "2013-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.97, 1.53], [15.38, 1.7], [15.25, 2.0], [15.35, 2.25], [15.25, 2.5], [15.47, 3.03], [16.0, 3.25], [16.25, 3.15], [16.5, 3.25], [17.03, 3.03], [17.25, 2.5], [17.15, 2.25], [17.18, 2.18], [17.25, 2.15], [17.5, 2.25], [18.03, 2.03], [18.18, 1.68], [18.53, 1.53], [18.75, 1.0], [18.53, 0.47], [18.0, 0.25], [17.5, 0.46], [17.18, 0.32], [17.03, -0.03], [16.5, -0.25], [16.0, -0.04], [15.5, -0.25], [14.97, -0.03], [14.75, 0.5], [14.85, 0.75], [14.75, 1.0], [14.97, 1.53]]]]}, "2013-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.47, 3.03], [16.0, 3.25], [16.25, 3.15], [16.5, 3.25], [17.03, 3.03], [17.25, 2.5], [17.15, 2.25], [17.18, 2.18], [17.25, 2.15], [17.5, 2.25], [18.03, 2.03], [18.18, 1.68], [18.53, 1.53], [18.75, 1.0], [18.53, 0.47], [18.0, 0.25], [17.47, 0.47], [17.32, 0.82], [17.25, 0.85], [17.0, 0.75], [16.75, 0.85], [16.5, 0.75], [15.97, 0.97], [15.82, 1.32], [15.47, 1.47], [15.25, 2.0], [15.35, 2.25], [15.25, 2.5], [15.47, 3.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.7775773277008966}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6763381061757658}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.832196272844726, 26.60067447814987, 26.251556891425196, 26.613761293045286, 26.73855304535698]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.36952163132588, 27.210415279056747, 27.384862693775858, 27.053764555294777, 27.177401575142085]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.422718488576184, 1.9420486005954896, 1.5525796495613824, 1.6507981519557364, 1.7012490363438602]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6552495859537544, 2.7775773277008966, 2.450575794629856, 1.9759386561397605, 1.9707392344654977]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5551138825133786, 2.0691709730556864, 1.6997144562849196, 1.7384213052196515, 1.7805044799745227]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.909296290912967, 2.8669148766306187, 2.822242491612085, 2.1284500653503327, 2.1108280047654393]}}