{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:33.473239", "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-Sep-15_to_2013-Sep-19_11.5_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": 2013090002224}, "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": "September 15 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 19 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": 333429.66436384636}, "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", "Equatorial Guinea", "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": 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": 11.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "11.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 9.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 17.75}, "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": 5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.97, 4.53], [10.5, 4.75], [10.75, 4.65], [10.82, 4.68], [10.97, 5.03], [11.5, 5.25], [12.03, 5.03], [12.25, 4.5], [12.15, 4.25], [12.25, 4.0], [12.15, 3.75], [12.25, 3.5], [12.15, 3.25], [12.25, 3.0], [12.03, 2.47], [11.5, 2.25], [10.97, 2.47], [10.82, 2.82], [10.75, 2.85], [10.5, 2.75], [9.97, 2.97], [9.75, 3.5], [9.85, 3.75], [9.75, 4.0], [9.97, 4.53]]]]}, "2013-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.32, 4.68], [10.47, 5.03], [11.0, 5.25], [11.25, 5.15], [11.32, 5.18], [11.47, 5.53], [12.0, 5.75], [12.53, 5.53], [12.68, 5.18], [13.0, 5.04], [13.5, 5.25], [14.03, 5.03], [14.18, 4.68], [14.25, 4.65], [14.5, 4.75], [15.03, 4.53], [15.25, 4.0], [15.15, 3.75], [15.18, 3.68], [15.25, 3.65], [15.5, 3.75], [15.75, 3.65], [15.82, 3.68], [15.97, 4.03], [16.5, 4.25], [17.03, 4.03], [17.18, 3.68], [17.53, 3.53], [17.68, 3.18], [18.03, 3.03], [18.25, 2.5], [18.15, 2.25], [18.25, 2.0], [18.03, 1.47], [17.5, 1.25], [17.25, 1.35], [17.0, 1.25], [16.75, 1.35], [16.68, 1.32], [16.53, 0.97], [16.18, 0.82], [16.03, 0.47], [15.5, 0.25], [14.97, 0.47], [14.82, 0.82], [14.5, 0.96], [14.0, 0.75], [13.75, 0.85], [13.5, 0.75], [13.25, 0.85], [13.0, 0.75], [12.75, 0.85], [12.5, 0.75], [13.03, 0.53], [13.25, 0.0], [13.15, -0.25], [13.25, -0.5], [13.03, -1.03], [12.68, -1.18], [12.54, -1.5], [12.75, -2.0], [12.53, -2.53], [12.0, -2.75], [11.47, -2.53], [11.32, -2.18], [10.97, -2.03], [10.75, -1.5], [10.96, -1.0], [10.75, -0.5], [10.96, -0.0], [10.75, 0.5], [10.97, 1.03], [11.38, 1.2], [11.3, 1.37], [11.0, 1.25], [10.47, 1.47], [10.25, 2.0], [10.35, 2.25], [10.25, 2.5], [10.35, 2.75], [10.32, 2.82], [10.25, 2.85], [10.0, 2.75], [9.47, 2.97], [9.25, 3.5], [9.47, 4.03], [9.82, 4.18], [9.97, 4.53], [10.32, 4.68]], [[12.25, 0.85], [12.13, 0.8], [12.18, 0.68], [12.25, 0.65], [12.5, 0.75], [12.25, 0.85]]]]}, "2013-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.35, 3.75], [9.25, 4.0], [9.47, 4.53], [10.0, 4.75], [10.25, 4.65], [10.32, 4.68], [10.47, 5.03], [10.82, 5.18], [10.97, 5.53], [11.5, 5.75], [11.75, 5.65], [12.0, 5.75], [12.25, 5.65], [12.5, 5.75], [12.75, 5.65], [13.0, 5.75], [13.53, 5.53], [13.68, 5.18], [13.75, 5.15], [14.0, 5.25], [14.53, 5.03], [14.68, 4.68], [15.03, 4.53], [15.25, 4.0], [15.15, 3.75], [15.18, 3.68], [15.25, 3.65], [15.5, 3.75], [15.75, 3.65], [15.82, 3.68], [15.97, 4.03], [16.5, 4.25], [17.03, 4.03], [17.18, 3.68], [17.53, 3.53], [17.68, 3.18], [18.03, 3.03], [18.25, 2.5], [18.15, 2.25], [18.25, 2.0], [18.03, 1.47], [17.5, 1.25], [17.25, 1.35], [17.0, 1.25], [16.75, 1.35], [16.68, 1.32], [16.53, 0.97], [16.18, 0.82], [16.03, 0.47], [15.5, 0.25], [14.97, 0.47], [14.82, 0.82], [14.5, 0.96], [14.0, 0.75], [13.75, 0.85], [13.63, 0.8], [13.75, 0.5], [13.53, -0.03], [13.18, -0.18], [13.15, -0.25], [13.25, -0.5], [13.03, -1.03], [12.68, -1.18], [12.54, -1.5], [12.75, -2.0], [12.53, -2.53], [12.0, -2.75], [11.47, -2.53], [11.32, -2.18], [10.97, -2.03], [10.75, -1.5], [10.96, -1.0], [10.8, -0.63], [10.5, -0.75], [10.25, -0.65], [10.0, -0.75], [9.47, -0.53], [9.25, 0.0], [9.47, 0.53], [10.0, 0.75], [10.25, 0.65], [10.32, 0.68], [10.35, 0.75], [10.32, 0.82], [9.97, 0.97], [9.75, 1.5], [9.85, 1.75], [9.75, 2.0], [9.85, 2.25], [9.82, 2.32], [9.47, 2.47], [9.25, 3.0], [9.35, 3.25], [9.25, 3.5], [9.35, 3.75]]]]}, "2013-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.35, 3.75], [9.25, 4.0], [9.47, 4.53], [10.0, 4.75], [10.25, 4.65], [10.32, 4.68], [10.47, 5.03], [10.82, 5.18], [10.97, 5.53], [11.5, 5.75], [11.75, 5.65], [12.0, 5.75], [12.25, 5.65], [12.5, 5.75], [12.75, 5.65], [13.0, 5.75], [13.53, 5.53], [13.68, 5.18], [13.75, 5.15], [14.0, 5.25], [14.53, 5.03], [14.68, 4.68], [15.03, 4.53], [15.25, 4.0], [15.15, 3.75], [15.18, 3.68], [15.25, 3.65], [15.5, 3.75], [15.75, 3.65], [15.82, 3.68], [15.97, 4.03], [16.5, 4.25], [17.03, 4.03], [17.18, 3.68], [17.53, 3.53], [17.68, 3.18], [18.03, 3.03], [18.25, 2.5], [18.15, 2.25], [18.25, 2.0], [18.03, 1.47], [17.5, 1.25], [17.25, 1.35], [17.0, 1.25], [16.75, 1.35], [16.68, 1.32], [16.53, 0.97], [16.18, 0.82], [16.03, 0.47], [15.5, 0.25], [14.97, 0.47], [14.82, 0.82], [14.5, 0.96], [14.0, 0.75], [13.75, 0.85], [13.63, 0.8], [13.75, 0.5], [13.53, -0.03], [13.18, -0.18], [13.15, -0.25], [13.25, -0.5], [13.03, -1.03], [12.68, -1.18], [12.54, -1.5], [12.75, -2.0], [12.53, -2.53], [12.0, -2.75], [11.47, -2.53], [11.32, -2.18], [10.97, -2.03], [10.75, -1.5], [10.96, -1.0], [10.8, -0.63], [10.5, -0.75], [10.25, -0.65], [10.0, -0.75], [9.47, -0.53], [9.25, 0.0], [9.47, 0.53], [10.0, 0.75], [10.25, 0.65], [10.32, 0.68], [10.35, 0.75], [10.32, 0.82], [9.97, 0.97], [9.75, 1.5], [9.85, 1.75], [9.75, 2.0], [9.85, 2.25], [9.82, 2.32], [9.47, 2.47], [9.25, 3.0], [9.35, 3.25], [9.25, 3.5], [9.35, 3.75]]]]}, "2013-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.35, 3.75], [9.25, 4.0], [9.47, 4.53], [10.0, 4.75], [10.25, 4.65], [10.32, 4.68], [10.47, 5.03], [10.82, 5.18], [10.97, 5.53], [11.5, 5.75], [11.75, 5.65], [12.0, 5.75], [12.25, 5.65], [12.5, 5.75], [12.75, 5.65], [13.0, 5.75], [13.53, 5.53], [13.68, 5.18], [13.75, 5.15], [14.0, 5.25], [14.53, 5.03], [14.75, 4.5], [14.53, 3.97], [14.13, 3.8], [14.25, 3.5], [14.03, 2.97], [13.68, 2.82], [13.65, 2.75], [13.7, 2.63], [14.0, 2.75], [14.5, 2.54], [15.0, 2.75], [15.53, 2.53], [15.75, 2.0], [15.53, 1.47], [15.0, 1.25], [14.5, 1.46], [14.0, 1.25], [13.47, 1.47], [13.3, 1.87], [13.18, 1.82], [13.15, 1.75], [13.25, 1.5], [13.15, 1.25], [13.18, 1.18], [13.53, 1.03], [13.75, 0.5], [13.53, -0.03], [13.18, -0.18], [13.03, -0.53], [12.68, -0.68], [12.65, -0.75], [12.75, -1.0], [12.53, -1.53], [12.0, -1.75], [11.47, -1.53], [11.32, -1.18], [10.97, -1.03], [10.8, -0.63], [10.5, -0.75], [10.25, -0.65], [10.0, -0.75], [9.47, -0.53], [9.25, 0.0], [9.47, 0.53], [10.0, 0.75], [10.25, 0.65], [10.32, 0.68], [10.35, 0.75], [10.32, 0.82], [9.97, 0.97], [9.75, 1.5], [9.85, 1.75], [9.75, 2.0], [9.85, 2.25], [9.82, 2.32], [9.47, 2.47], [9.25, 3.0], [9.35, 3.25], [9.25, 3.5], [9.35, 3.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.720006277600419}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4593159841217551}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.45108478335777, 24.965102339140003, 25.351887003838158, 24.961258498742325, 25.032408518207774]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.48197274712294, 26.845295433522267, 26.977446305046726, 26.68045789424781, 26.71408069568048]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0499155595192704, 1.351191297472681, 1.7239694141814013, 1.3284527301263518, 1.4168005401495198]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1666099988410679, 2.0787726275421505, 2.720006277600419, 1.7631874730865889, 2.052402966336615]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4000175912604973, 1.6186346548589199, 2.1347866559121815, 1.684004374197105, 1.8213274224941824]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.620200543853925, 2.2679772165860705, 2.933203157278118, 2.245863824516595, 2.592058091691251]}}