{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:24.052080", "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-Dec-21_to_2013-Dec-24_15.0_0.5"}, "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": 2013120002283}, "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 21 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 24 2013"}, "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": 64910.869698573115}, "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", "Congo DRC"]}, "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": 0.5}, "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": 15.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "15.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 13.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 18.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-12-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.97, 1.03], [14.5, 1.25], [14.75, 1.15], [14.82, 1.18], [14.97, 1.53], [15.5, 1.75], [16.03, 1.53], [16.25, 1.0], [16.15, 0.75], [16.18, 0.68], [16.53, 0.53], [16.7, 0.13], [17.0, 0.25], [17.25, 0.15], [17.5, 0.25], [17.75, 0.15], [18.0, 0.25], [18.25, 0.15], [18.5, 0.25], [19.03, 0.03], [19.25, -0.5], [19.03, -1.03], [18.5, -1.25], [18.25, -1.15], [18.0, -1.25], [17.75, -1.15], [17.5, -1.25], [17.25, -1.15], [17.0, -1.25], [16.5, -1.04], [16.0, -1.25], [15.47, -1.03], [15.32, -0.68], [15.25, -0.65], [15.0, -0.75], [14.75, -0.65], [14.5, -0.75], [13.97, -0.53], [13.75, 0.0], [13.85, 0.25], [13.75, 0.5], [13.97, 1.03]]]]}, "2013-12-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.5, 1.25], [14.75, 1.15], [14.82, 1.18], [14.97, 1.53], [15.5, 1.75], [16.03, 1.53], [16.2, 1.13], [16.5, 1.25], [16.75, 1.15], [17.0, 1.25], [17.25, 1.15], [17.5, 1.25], [18.03, 1.03], [18.18, 0.68], [18.25, 0.65], [18.5, 0.75], [19.03, 0.53], [19.25, 0.0], [19.15, -0.25], [19.25, -0.5], [19.03, -1.03], [18.5, -1.25], [18.25, -1.15], [18.0, -1.25], [17.75, -1.15], [17.5, -1.25], [17.25, -1.15], [17.0, -1.25], [16.5, -1.04], [16.0, -1.25], [15.47, -1.03], [15.32, -0.68], [15.25, -0.65], [15.0, -0.75], [14.75, -0.65], [14.5, -0.75], [14.25, -0.65], [14.0, -0.75], [13.47, -0.53], [13.25, 0.0], [13.47, 0.53], [13.82, 0.68], [13.97, 1.03], [14.5, 1.25]]]]}, "2013-12-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.5, 1.25], [14.75, 1.15], [14.82, 1.18], [14.97, 1.53], [15.5, 1.75], [16.03, 1.53], [16.2, 1.13], [16.5, 1.25], [16.75, 1.15], [17.0, 1.25], [17.25, 1.15], [17.5, 1.25], [18.03, 1.03], [18.18, 0.68], [18.25, 0.65], [18.5, 0.75], [19.03, 0.53], [19.25, 0.0], [19.15, -0.25], [19.25, -0.5], [19.03, -1.03], [18.5, -1.25], [18.25, -1.15], [18.0, -1.25], [17.75, -1.15], [17.5, -1.25], [17.25, -1.15], [17.0, -1.25], [16.5, -1.04], [16.0, -1.25], [15.47, -1.03], [15.32, -0.68], [15.25, -0.65], [15.0, -0.75], [14.75, -0.65], [14.5, -0.75], [14.25, -0.65], [14.0, -0.75], [13.47, -0.53], [13.25, 0.0], [13.47, 0.53], [13.82, 0.68], [13.97, 1.03], [14.5, 1.25]]]]}, "2013-12-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.5, 1.25], [14.75, 1.15], [14.82, 1.18], [14.97, 1.53], [15.5, 1.75], [16.03, 1.53], [16.2, 1.13], [16.5, 1.25], [16.75, 1.15], [17.0, 1.25], [17.25, 1.15], [17.5, 1.25], [18.03, 1.03], [18.18, 0.68], [18.25, 0.65], [18.5, 0.75], [19.03, 0.53], [19.25, 0.0], [19.03, -0.53], [18.5, -0.75], [18.25, -0.65], [18.0, -0.75], [17.5, -0.54], [17.0, -0.75], [16.75, -0.65], [16.68, -0.68], [16.53, -1.03], [16.0, -1.25], [15.47, -1.03], [15.32, -0.68], [15.25, -0.65], [15.0, -0.75], [14.75, -0.65], [14.5, -0.75], [14.25, -0.65], [14.0, -0.75], [13.47, -0.53], [13.25, 0.0], [13.47, 0.53], [13.82, 0.68], [13.97, 1.03], [14.5, 1.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.253733880186701}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.551031526752274}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.730353007548047, 26.694358289540276, 26.995697688578048, 26.703279931903126]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.778330406152975, 28.44324702935495, 28.225533257137897, 27.0806758427604]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5300152690764959, 1.3979365101697052, 1.7086171214798849, 1.5615555978545819]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8272950933359198, 1.924875814250754, 2.253733880186701, 2.1426512890656113]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.681310703276119, 1.6260931645252197, 1.9835536349230307, 1.7402177900219535]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0185485677937294, 2.1788582392439317, 2.609807084947979, 2.364935592978184]}}