{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:15.544608", "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-30_to_2014-Sep-02_343.0_10.0"}, "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": 2014080003218}, "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 30 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 02 2014"}, "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": 60832.26512185182}, "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": ["Guinea-Bissau"]}, "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": ["North Atlantic Ocean"]}, "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": 10.0}, "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": 343.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "343.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 340.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 344.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-20.03, 11.03], [-19.5, 11.25], [-19.25, 11.15], [-19.0, 11.25], [-18.75, 11.15], [-18.5, 11.25], [-18.25, 11.15], [-18.0, 11.25], [-17.75, 11.15], [-17.5, 11.25], [-17.25, 11.15], [-17.18, 11.18], [-17.03, 11.53], [-16.68, 11.68], [-16.53, 12.03], [-16.0, 12.25], [-15.47, 12.03], [-15.32, 11.68], [-14.97, 11.53], [-14.75, 11.0], [-14.97, 10.47], [-15.5, 10.25], [-15.8, 10.38], [-15.97, 9.97], [-16.32, 9.82], [-16.47, 9.47], [-16.82, 9.32], [-16.97, 8.97], [-17.5, 8.75], [-17.75, 8.85], [-18.0, 8.75], [-18.25, 8.85], [-18.5, 8.75], [-18.75, 8.85], [-19.0, 8.75], [-19.53, 8.97], [-19.68, 9.32], [-20.03, 9.47], [-20.25, 10.0], [-20.15, 10.25], [-20.25, 10.5], [-20.03, 11.03]]]]}, "2014-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-20.03, 11.03], [-19.5, 11.25], [-19.25, 11.15], [-19.0, 11.25], [-18.75, 11.15], [-18.5, 11.25], [-18.25, 11.15], [-18.0, 11.25], [-17.75, 11.15], [-17.5, 11.25], [-17.25, 11.15], [-17.18, 11.18], [-17.03, 11.53], [-16.68, 11.68], [-16.53, 12.03], [-16.0, 12.25], [-15.47, 12.03], [-15.32, 11.68], [-14.97, 11.53], [-14.75, 11.0], [-14.97, 10.47], [-15.5, 10.25], [-15.8, 10.38], [-15.97, 9.97], [-16.32, 9.82], [-16.47, 9.47], [-16.82, 9.32], [-16.97, 8.97], [-17.5, 8.75], [-17.75, 8.85], [-18.0, 8.75], [-18.25, 8.85], [-18.5, 8.75], [-18.75, 8.85], [-19.0, 8.75], [-19.53, 8.97], [-19.68, 9.32], [-20.03, 9.47], [-20.25, 10.0], [-20.15, 10.25], [-20.25, 10.5], [-20.03, 11.03]]]]}, "2014-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-20.03, 11.03], [-19.5, 11.25], [-19.25, 11.15], [-19.0, 11.25], [-18.75, 11.15], [-18.5, 11.25], [-18.25, 11.15], [-18.0, 11.25], [-17.75, 11.15], [-17.5, 11.25], [-17.25, 11.15], [-17.18, 11.18], [-17.03, 11.53], [-16.68, 11.68], [-16.53, 12.03], [-16.0, 12.25], [-15.47, 12.03], [-15.32, 11.68], [-14.97, 11.53], [-14.75, 11.0], [-14.97, 10.47], [-15.5, 10.25], [-15.8, 10.38], [-15.97, 9.97], [-16.32, 9.82], [-16.47, 9.47], [-16.82, 9.32], [-16.97, 8.97], [-17.5, 8.75], [-17.75, 8.85], [-18.0, 8.75], [-18.25, 8.85], [-18.5, 8.75], [-18.75, 8.85], [-19.0, 8.75], [-19.53, 8.97], [-19.68, 9.32], [-20.03, 9.47], [-20.25, 10.0], [-20.15, 10.25], [-20.25, 10.5], [-20.03, 11.03]]]]}, "2014-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-20.25, 10.0], [-20.03, 10.53], [-19.5, 10.75], [-19.25, 10.65], [-19.0, 10.75], [-18.75, 10.65], [-18.5, 10.75], [-18.25, 10.65], [-18.0, 10.75], [-17.75, 10.65], [-17.5, 10.75], [-17.25, 10.65], [-17.0, 10.75], [-16.47, 10.53], [-16.25, 10.0], [-16.47, 9.47], [-16.82, 9.32], [-16.97, 8.97], [-17.5, 8.75], [-17.75, 8.85], [-18.0, 8.75], [-18.25, 8.85], [-18.5, 8.75], [-18.75, 8.85], [-19.0, 8.75], [-19.53, 8.97], [-19.68, 9.32], [-20.03, 9.47], [-20.25, 10.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.372392940255395}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9548881672338723}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.04202443983513, 27.061256299145384, 26.867201291872334, 26.81207239237642]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.419230953353974, 27.462057195939394, 27.180449517801208, 26.900562004417793]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0343712443313222, 1.050661814951647, 0.8363683314475594, 0.8414143891760488]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.372392940255395, 1.3120115950856643, 0.9331728086798421, 0.8740821626350339]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.0614845814922536, 2.1406439196532103, 1.7291779329163757, 1.7917241377989401]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.6197220901953546, 2.8421074936930717, 1.9914934500930388, 1.846304680066198]}}