{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:28.189685", "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-May-22_to_2013-May-24_16.0_3.0"}, "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": 2013050002509}, "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": "May 22 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 24 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 95683.86138103524}, "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", "Central African Republic", "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": 3.0}, "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": 16.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "16.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 14.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 20.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.97, 3.53], [15.32, 3.68], [15.35, 3.75], [15.25, 4.0], [15.47, 4.53], [16.0, 4.75], [16.25, 4.65], [16.5, 4.75], [16.75, 4.65], [17.0, 4.75], [17.25, 4.65], [17.5, 4.75], [18.03, 4.53], [18.18, 4.18], [18.5, 4.04], [19.0, 4.25], [19.5, 4.04], [20.0, 4.25], [20.25, 4.15], [20.5, 4.25], [21.03, 4.03], [21.25, 3.5], [21.03, 2.97], [20.68, 2.82], [20.53, 2.47], [20.0, 2.25], [19.75, 2.35], [19.68, 2.32], [19.53, 1.97], [19.0, 1.75], [18.75, 1.85], [18.5, 1.75], [18.25, 1.85], [18.0, 1.75], [17.5, 1.96], [17.18, 1.82], [17.03, 1.47], [16.5, 1.25], [16.25, 1.35], [16.0, 1.25], [15.75, 1.35], [15.5, 1.25], [15.25, 1.35], [15.0, 1.25], [14.47, 1.47], [14.25, 2.0], [14.47, 2.53], [14.88, 2.7], [14.75, 3.0], [14.97, 3.53]]]]}, "2013-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.97, 3.53], [15.32, 3.68], [15.35, 3.75], [15.25, 4.0], [15.47, 4.53], [16.0, 4.75], [16.25, 4.65], [16.5, 4.75], [16.75, 4.65], [17.0, 4.75], [17.25, 4.65], [17.5, 4.75], [18.03, 4.53], [18.18, 4.18], [18.5, 4.04], [19.0, 4.25], [19.5, 4.04], [20.0, 4.25], [20.25, 4.15], [20.5, 4.25], [21.03, 4.03], [21.25, 3.5], [21.03, 2.97], [20.68, 2.82], [20.53, 2.47], [20.0, 2.25], [19.75, 2.35], [19.68, 2.32], [19.53, 1.97], [19.0, 1.75], [18.75, 1.85], [18.5, 1.75], [18.25, 1.85], [18.0, 1.75], [17.5, 1.96], [17.18, 1.82], [17.03, 1.47], [16.5, 1.25], [16.25, 1.35], [16.0, 1.25], [15.75, 1.35], [15.5, 1.25], [15.25, 1.35], [15.0, 1.25], [14.47, 1.47], [14.25, 2.0], [14.47, 2.53], [14.88, 2.7], [14.75, 3.0], [14.97, 3.53]]]]}, "2013-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.97, 3.53], [15.32, 3.68], [15.35, 3.75], [15.25, 4.0], [15.47, 4.53], [16.0, 4.75], [16.25, 4.65], [16.5, 4.75], [16.75, 4.65], [17.0, 4.75], [17.25, 4.65], [17.5, 4.75], [18.03, 4.53], [18.18, 4.18], [18.5, 4.04], [19.0, 4.25], [19.5, 4.04], [20.0, 4.25], [20.25, 4.15], [20.5, 4.25], [21.03, 4.03], [21.25, 3.5], [21.03, 2.97], [20.68, 2.82], [20.53, 2.47], [20.0, 2.25], [19.75, 2.35], [19.68, 2.32], [19.53, 1.97], [19.0, 1.75], [18.75, 1.85], [18.5, 1.75], [18.25, 1.85], [18.0, 1.75], [17.5, 1.96], [17.18, 1.82], [17.03, 1.47], [16.5, 1.25], [16.25, 1.35], [16.0, 1.25], [15.75, 1.35], [15.5, 1.25], [15.25, 1.35], [15.0, 1.25], [14.47, 1.47], [14.25, 2.0], [14.47, 2.53], [14.88, 2.7], [14.75, 3.0], [14.97, 3.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.8398289953929066}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7944373050695723}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.07766865430449, 26.992895534324646, 27.05936298269762]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.341440636589482, 28.091097655413762, 28.15003454863728]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7637168348791321, 1.749243826899801, 1.870351253429784]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2844565135614516, 2.3107184899803883, 2.8398289953929066]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.579070055090014, 1.594350601303629, 1.7653593874468227]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8942155931266615, 2.0433207649217313, 2.51118948370915]}}