{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:39.766594", "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": "2011-Oct-02_to_2011-Oct-06_357.0_12.5"}, "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": 2011100001679}, "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 02 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 06 2011"}, "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": 54288.23368286388}, "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": ["Burkina Faso"]}, "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": []}, "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": 12.5}, "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": 357.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "357.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 356.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 360.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.53, 13.53], [-3.0, 13.75], [-2.75, 13.65], [-2.5, 13.75], [-2.25, 13.65], [-2.0, 13.75], [-1.75, 13.65], [-1.68, 13.68], [-1.65, 13.75], [-1.75, 14.0], [-1.53, 14.53], [-1.0, 14.75], [-0.47, 14.53], [-0.25, 14.0], [-0.35, 13.75], [-0.32, 13.68], [0.03, 13.53], [0.25, 13.0], [0.03, 12.47], [-0.32, 12.32], [-0.35, 12.25], [-0.25, 12.0], [-0.35, 11.75], [-0.25, 11.5], [-0.47, 10.97], [-1.0, 10.75], [-1.53, 10.97], [-1.7, 11.38], [-2.0, 11.25], [-2.25, 11.35], [-2.5, 11.25], [-3.03, 11.47], [-3.18, 11.82], [-3.53, 11.97], [-3.75, 12.5], [-3.65, 12.75], [-3.75, 13.0], [-3.53, 13.53]]]]}, "2011-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.53, 13.53], [-3.0, 13.75], [-2.75, 13.65], [-2.5, 13.75], [-2.25, 13.65], [-2.0, 13.75], [-1.75, 13.65], [-1.68, 13.68], [-1.65, 13.75], [-1.75, 14.0], [-1.53, 14.53], [-1.0, 14.75], [-0.47, 14.53], [-0.25, 14.0], [-0.35, 13.75], [-0.32, 13.68], [0.03, 13.53], [0.18, 13.18], [0.53, 13.03], [0.75, 12.5], [0.53, 11.97], [0.0, 11.75], [-0.3, 11.88], [-0.35, 11.75], [-0.25, 11.5], [-0.47, 10.97], [-1.0, 10.75], [-1.53, 10.97], [-1.68, 11.32], [-1.75, 11.35], [-2.0, 11.25], [-2.25, 11.35], [-2.5, 11.25], [-3.03, 11.47], [-3.18, 11.82], [-3.53, 11.97], [-3.75, 12.5], [-3.65, 12.75], [-3.75, 13.0], [-3.53, 13.53]]]]}, "2011-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.53, 13.53], [-3.0, 13.75], [-2.75, 13.65], [-2.5, 13.75], [-2.25, 13.65], [-2.0, 13.75], [-1.75, 13.65], [-1.68, 13.68], [-1.65, 13.75], [-1.75, 14.0], [-1.53, 14.53], [-1.0, 14.75], [-0.47, 14.53], [-0.25, 14.0], [-0.35, 13.75], [-0.32, 13.68], [0.03, 13.53], [0.18, 13.18], [0.53, 13.03], [0.75, 12.5], [0.53, 11.97], [0.0, 11.75], [-0.3, 11.88], [-0.35, 11.75], [-0.25, 11.5], [-0.47, 10.97], [-1.0, 10.75], [-1.53, 10.97], [-1.68, 11.32], [-1.75, 11.35], [-2.0, 11.25], [-2.25, 11.35], [-2.5, 11.25], [-3.03, 11.47], [-3.18, 11.82], [-3.53, 11.97], [-3.75, 12.5], [-3.65, 12.75], [-3.75, 13.0], [-3.53, 13.53]]]]}, "2011-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.53, 13.53], [-3.0, 13.75], [-2.47, 13.53], [-2.3, 13.12], [-2.0, 13.25], [-1.75, 13.15], [-1.68, 13.18], [-1.53, 13.53], [-1.0, 13.75], [-0.75, 13.65], [-0.5, 13.75], [0.03, 13.53], [0.18, 13.18], [0.53, 13.03], [0.75, 12.5], [0.53, 11.97], [0.0, 11.75], [-0.3, 11.88], [-0.35, 11.75], [-0.25, 11.5], [-0.47, 10.97], [-1.0, 10.75], [-1.53, 10.97], [-1.68, 11.32], [-1.75, 11.35], [-2.0, 11.25], [-2.25, 11.35], [-2.5, 11.25], [-3.03, 11.47], [-3.18, 11.82], [-3.53, 11.97], [-3.75, 12.5], [-3.65, 12.75], [-3.75, 13.0], [-3.53, 13.53]]]]}, "2011-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.75, 12.5], [-3.53, 13.03], [-3.0, 13.25], [-2.47, 13.03], [-2.32, 12.68], [-2.25, 12.65], [-2.0, 12.75], [-1.47, 12.53], [-1.25, 12.0], [-1.47, 11.47], [-2.0, 11.25], [-2.25, 11.35], [-2.5, 11.25], [-3.03, 11.47], [-3.18, 11.82], [-3.53, 11.97], [-3.75, 12.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.4939172125683626}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.13839038960636}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.494899389529905, 30.815826971445972, 30.58947935666083, 30.40989149843358, 30.350891139591056]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.33786365254912, 32.50038961960098, 32.16357209165943, 31.36555790091893, 31.329164946066555]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0084626426956014, 2.3342465447194467, 2.0381569767053076, 2.0982762088050846, 2.4314300366637176]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.908765124321121, 3.4939172125683626, 2.4026568911770596, 2.9310750428198276, 2.794566147888304]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5965583843331073, 1.8439704994747634, 1.588383165260553, 1.617611911465956, 1.9182274474946805]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.320274577960948, 2.7283006357694854, 2.0067273365021823, 2.166639862649254, 2.075326937671554]}}