{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:01.039341", "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-01_to_2015-Oct-03_15.5_7.0"}, "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": 2015100000901}, "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 01 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 03 2015"}, "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": 70571.46745592589}, "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", "Chad"]}, "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": 7.0}, "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": 15.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "15.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 14.25}, "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": 5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.97, 6.97], [13.75, 7.5], [13.97, 8.03], [14.5, 8.25], [14.75, 8.15], [14.82, 8.18], [14.97, 8.53], [15.5, 8.75], [15.75, 8.65], [16.0, 8.75], [16.53, 8.53], [16.68, 8.18], [16.75, 8.15], [16.82, 8.18], [16.97, 8.53], [17.5, 8.75], [18.03, 8.53], [18.25, 8.0], [18.15, 7.75], [18.25, 7.5], [18.03, 6.97], [17.68, 6.82], [17.63, 6.7], [18.03, 6.53], [18.25, 6.0], [18.15, 5.75], [18.25, 5.5], [18.03, 4.97], [17.5, 4.75], [17.0, 4.96], [16.5, 4.75], [15.97, 4.97], [15.82, 5.32], [15.47, 5.47], [15.32, 5.82], [14.97, 5.97], [14.75, 6.5], [14.85, 6.75], [14.82, 6.82], [14.75, 6.85], [14.5, 6.75], [13.97, 6.97]]]]}, "2015-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.97, 6.97], [13.75, 7.5], [13.97, 8.03], [14.5, 8.25], [14.75, 8.15], [14.82, 8.18], [14.97, 8.53], [15.5, 8.75], [15.75, 8.65], [16.0, 8.75], [16.53, 8.53], [16.68, 8.18], [16.75, 8.15], [16.82, 8.18], [16.97, 8.53], [17.5, 8.75], [18.03, 8.53], [18.25, 8.0], [18.15, 7.75], [18.25, 7.5], [18.03, 6.97], [17.68, 6.82], [17.63, 6.7], [18.03, 6.53], [18.25, 6.0], [18.15, 5.75], [18.25, 5.5], [18.03, 4.97], [17.5, 4.75], [17.0, 4.96], [16.5, 4.75], [15.97, 4.97], [15.82, 5.32], [15.47, 5.47], [15.32, 5.82], [14.97, 5.97], [14.75, 6.5], [14.85, 6.75], [14.82, 6.82], [14.75, 6.85], [14.5, 6.75], [13.97, 6.97]]]]}, "2015-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.97, 6.97], [13.75, 7.5], [13.97, 8.03], [14.5, 8.25], [14.75, 8.15], [14.82, 8.18], [14.97, 8.53], [15.5, 8.75], [15.75, 8.65], [16.0, 8.75], [16.53, 8.53], [16.68, 8.18], [16.75, 8.15], [16.82, 8.18], [16.97, 8.53], [17.5, 8.75], [18.03, 8.53], [18.25, 8.0], [18.15, 7.75], [18.25, 7.5], [18.03, 6.97], [17.68, 6.82], [17.63, 6.7], [18.03, 6.53], [18.25, 6.0], [18.15, 5.75], [18.25, 5.5], [18.03, 4.97], [17.5, 4.75], [17.0, 4.96], [16.5, 4.75], [15.97, 4.97], [15.82, 5.32], [15.47, 5.47], [15.32, 5.82], [14.97, 5.97], [14.75, 6.5], [14.85, 6.75], [14.82, 6.82], [14.75, 6.85], [14.5, 6.75], [13.97, 6.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2582045001909705}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5897525106022419}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.773339675869806, 25.858979530147565, 25.90434451897619]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.46811530817024, 27.520773145711644, 28.36101836937786]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5263966335727914, 1.599766950291056, 1.6430939479428779]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8915408209057318, 1.8353626879660965, 2.2582045001909705]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.753773728145941, 1.756265130989991, 1.749536264614789]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.103578430788575, 2.1426754852006185, 2.227083707406888]}}