{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:41.054748", "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": "2016-Nov-14_to_2016-Nov-16_15.0_16.5"}, "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": 2016110001995}, "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": "November 14 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 16 2016"}, "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": 53258.359745956215}, "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": ["Niger"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 16.5}, "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": 13.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 15.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, 16.53], [13.32, 16.68], [13.35, 16.75], [13.25, 17.0], [13.35, 17.25], [13.25, 17.5], [13.47, 18.03], [14.0, 18.25], [14.25, 18.15], [14.32, 18.18], [14.47, 18.53], [15.0, 18.75], [15.25, 18.65], [15.5, 18.75], [16.03, 18.53], [16.25, 18.0], [16.15, 17.75], [16.25, 17.5], [16.15, 17.25], [16.25, 17.0], [16.03, 16.47], [15.68, 16.32], [15.53, 15.97], [15.18, 15.82], [15.03, 15.47], [14.68, 15.32], [14.53, 14.97], [14.0, 14.75], [13.75, 14.85], [13.5, 14.75], [12.97, 14.97], [12.75, 15.5], [12.85, 15.75], [12.75, 16.0], [12.97, 16.53]]]]}, "2016-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, 16.53], [13.32, 16.68], [13.35, 16.75], [13.25, 17.0], [13.35, 17.25], [13.25, 17.5], [13.47, 18.03], [14.0, 18.25], [14.25, 18.15], [14.32, 18.18], [14.47, 18.53], [15.0, 18.75], [15.25, 18.65], [15.5, 18.75], [16.03, 18.53], [16.25, 18.0], [16.15, 17.75], [16.25, 17.5], [16.15, 17.25], [16.25, 17.0], [16.03, 16.47], [15.68, 16.32], [15.53, 15.97], [15.18, 15.82], [15.03, 15.47], [14.68, 15.32], [14.53, 14.97], [14.0, 14.75], [13.75, 14.85], [13.5, 14.75], [12.97, 14.97], [12.75, 15.5], [12.85, 15.75], [12.75, 16.0], [12.97, 16.53]]]]}, "2016-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, 16.53], [13.32, 16.68], [13.35, 16.75], [13.25, 17.0], [13.35, 17.25], [13.25, 17.5], [13.47, 18.03], [14.0, 18.25], [14.25, 18.15], [14.32, 18.18], [14.47, 18.53], [15.0, 18.75], [15.25, 18.65], [15.5, 18.75], [16.03, 18.53], [16.25, 18.0], [16.15, 17.75], [16.25, 17.5], [16.15, 17.25], [16.25, 17.0], [16.03, 16.47], [15.68, 16.32], [15.53, 15.97], [15.18, 15.82], [15.03, 15.47], [14.68, 15.32], [14.53, 14.97], [14.0, 14.75], [13.75, 14.85], [13.5, 14.75], [12.97, 14.97], [12.75, 15.5], [12.85, 15.75], [12.75, 16.0], [12.97, 16.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.159420939232518}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.555041331949872}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.154236593391374, 25.984149080618806, 26.056901287285825]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.832390204158912, 27.137244766105198, 27.313336118983045]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.5155046004332053, 3.461381342576658, 3.6882380528397536]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.825017641842294, 3.773086242755255, 4.159420939232518]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6579108867614878, 1.597930303104741, 1.7324373741443648]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8022282374941805, 1.7129480732574343, 1.9805906152740302]}}