{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:05.691813", "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": "2015-Oct-24_to_2015-Oct-27_14.0_-2.5"}, "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": 2015100002204}, "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": "October 24 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 27 2015"}, "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": 61683.323693989056}, "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", "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": -2.5}, "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": 14.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "14.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 12.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 15.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.47, -3.03], [12.25, -2.5], [12.47, -1.97], [13.0, -1.75], [13.5, -1.96], [14.0, -1.75], [14.25, -1.85], [14.5, -1.75], [14.75, -1.85], [15.0, -1.75], [15.53, -1.97], [15.75, -2.5], [15.53, -3.03], [15.0, -3.25], [14.75, -3.15], [14.68, -3.18], [14.53, -3.53], [14.0, -3.75], [13.47, -3.53], [13.3, -3.12], [13.0, -3.25], [12.47, -3.03]]]]}, "2015-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.25, -4.0], [12.47, -3.47], [12.82, -3.32], [12.85, -3.25], [12.82, -3.18], [12.47, -3.03], [12.25, -2.5], [12.47, -1.97], [13.0, -1.75], [13.5, -1.96], [14.0, -1.75], [14.25, -1.85], [14.5, -1.75], [14.75, -1.85], [15.0, -1.75], [15.53, -1.97], [15.75, -2.5], [15.53, -3.03], [15.18, -3.18], [15.15, -3.25], [15.25, -3.5], [15.15, -3.75], [15.18, -3.82], [15.53, -3.97], [15.75, -4.5], [15.65, -4.75], [15.75, -5.0], [15.53, -5.53], [15.18, -5.68], [15.03, -6.03], [14.5, -6.25], [13.97, -6.03], [13.75, -5.5], [13.85, -5.25], [13.82, -5.18], [13.75, -5.15], [13.5, -5.25], [12.97, -5.03], [12.82, -4.68], [12.47, -4.53], [12.25, -4.0]]]]}, "2015-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.25, -4.0], [12.47, -3.47], [12.82, -3.32], [12.85, -3.25], [12.82, -3.18], [12.47, -3.03], [12.25, -2.5], [12.47, -1.97], [13.0, -1.75], [13.5, -1.96], [14.0, -1.75], [14.25, -1.85], [14.5, -1.75], [14.75, -1.85], [15.0, -1.75], [15.53, -1.97], [15.75, -2.5], [15.53, -3.03], [15.18, -3.18], [15.15, -3.25], [15.25, -3.5], [15.15, -3.75], [15.18, -3.82], [15.53, -3.97], [15.75, -4.5], [15.65, -4.75], [15.75, -5.0], [15.53, -5.53], [15.18, -5.68], [15.03, -6.03], [14.5, -6.25], [13.97, -6.03], [13.75, -5.5], [13.85, -5.25], [13.82, -5.18], [13.75, -5.15], [13.5, -5.25], [12.97, -5.03], [12.82, -4.68], [12.47, -4.53], [12.25, -4.0]]]]}, "2015-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.25, -4.0], [12.47, -3.47], [12.82, -3.32], [12.85, -3.25], [12.82, -3.18], [12.47, -3.03], [12.25, -2.5], [12.47, -1.97], [13.0, -1.75], [13.5, -1.96], [14.0, -1.75], [14.25, -1.85], [14.5, -1.75], [14.75, -1.85], [15.0, -1.75], [15.53, -1.97], [15.75, -2.5], [15.53, -3.03], [15.18, -3.18], [15.15, -3.25], [15.25, -3.5], [15.15, -3.75], [15.18, -3.82], [15.53, -3.97], [15.75, -4.5], [15.65, -4.75], [15.75, -5.0], [15.53, -5.53], [15.18, -5.68], [15.03, -6.03], [14.5, -6.25], [13.97, -6.03], [13.75, -5.5], [13.85, -5.25], [13.82, -5.18], [13.75, -5.15], [13.5, -5.25], [12.97, -5.03], [12.82, -4.68], [12.47, -4.53], [12.25, -4.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.471944578275611}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6619106922331683}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.424064765084893, 25.958727205082198, 26.537332806587642, 25.868898919701053]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.825532678855268, 28.022055807558047, 28.15687127254921, 27.277007973547427]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0456498602762168, 1.542393264137786, 2.13860632192455, 1.4587976986264066]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1495290701795966, 2.0673507735015733, 2.471944578275611, 1.7755338261230236]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.295240778771244, 1.7326961100973168, 2.33727292965105, 1.6156679183134117]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3426240740856838, 2.2800629172790834, 2.6917902100757134, 2.060438334599435]}}