{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:36:43.727816", "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": "2023-Oct-05_to_2023-Oct-09_0.5_14.5"}, "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": 2023100000940}, "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 05 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 09 2023"}, "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": 50999.32328552594}, "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", "Mali", "Niger"]}, "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": 14.5}, "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": 360.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "0.5\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": 360.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-1.25, 14.0], [-1.03, 14.53], [-0.68, 14.68], [-0.53, 15.03], [0.0, 15.25], [0.25, 15.15], [0.5, 15.25], [1.03, 15.03], [1.25, 14.5], [1.03, 13.97], [0.68, 13.82], [0.65, 13.75], [0.75, 13.5], [0.53, 12.97], [0.0, 12.75], [-0.53, 12.97], [-0.68, 13.32], [-1.03, 13.47], [-1.25, 14.0]]]]}, "2023-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.53, 14.53], [-3.0, 14.75], [-2.75, 14.65], [-2.5, 14.75], [-2.25, 14.65], [-2.18, 14.68], [-2.03, 15.03], [-1.5, 15.25], [-1.25, 15.15], [-1.0, 15.25], [-0.5, 15.04], [0.0, 15.25], [0.25, 15.15], [0.5, 15.25], [1.03, 15.03], [1.25, 14.5], [1.03, 13.97], [0.68, 13.82], [0.65, 13.75], [0.75, 13.5], [0.53, 12.97], [0.0, 12.75], [-0.25, 12.85], [-0.5, 12.75], [-1.0, 12.96], [-1.5, 12.75], [-1.75, 12.85], [-2.0, 12.75], [-2.25, 12.85], [-2.5, 12.75], [-2.75, 12.85], [-3.0, 12.75], [-3.53, 12.97], [-3.75, 13.5], [-3.65, 13.75], [-3.75, 14.0], [-3.53, 14.53]]]]}, "2023-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.53, 14.53], [-3.0, 14.75], [-2.75, 14.65], [-2.5, 14.75], [-2.25, 14.65], [-2.18, 14.68], [-2.03, 15.03], [-1.5, 15.25], [-1.25, 15.15], [-1.0, 15.25], [-0.5, 15.04], [0.0, 15.25], [0.25, 15.15], [0.5, 15.25], [1.03, 15.03], [1.25, 14.5], [1.03, 13.97], [0.68, 13.82], [0.65, 13.75], [0.75, 13.5], [0.53, 12.97], [0.0, 12.75], [-0.25, 12.85], [-0.5, 12.75], [-1.0, 12.96], [-1.5, 12.75], [-1.75, 12.85], [-2.0, 12.75], [-2.25, 12.85], [-2.5, 12.75], [-2.75, 12.85], [-3.0, 12.75], [-3.53, 12.97], [-3.75, 13.5], [-3.65, 13.75], [-3.75, 14.0], [-3.53, 14.53]]]]}, "2023-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.53, 14.53], [-3.0, 14.75], [-2.75, 14.65], [-2.5, 14.75], [-2.25, 14.65], [-2.18, 14.68], [-2.03, 15.03], [-1.5, 15.25], [-1.25, 15.15], [-1.0, 15.25], [-0.47, 15.03], [-0.32, 14.68], [-0.25, 14.65], [-0.18, 14.68], [-0.03, 15.03], [0.5, 15.25], [1.03, 15.03], [1.25, 14.5], [1.03, 13.97], [0.68, 13.82], [0.65, 13.75], [0.75, 13.5], [0.53, 12.97], [0.0, 12.75], [-0.25, 12.85], [-0.5, 12.75], [-1.0, 12.96], [-1.5, 12.75], [-1.75, 12.85], [-2.0, 12.75], [-2.25, 12.85], [-2.5, 12.75], [-2.75, 12.85], [-3.0, 12.75], [-3.53, 12.97], [-3.75, 13.5], [-3.65, 13.75], [-3.75, 14.0], [-3.53, 14.53]]]]}, "2023-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[0.5, 15.25], [1.03, 15.03], [1.25, 14.5], [1.03, 13.97], [0.5, 13.75], [-0.03, 13.97], [-0.25, 14.5], [-0.03, 15.03], [0.5, 15.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4376248044876547}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8203956752367552}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.80765124314826, 32.43105053443469, 32.38919428933161, 32.16669886148992, 33.5283432883017]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.742791172249724, 34.259366846949206, 33.71857189729354, 33.23556597712195, 33.5283432883017]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6418624792667855, 1.932727077225419, 1.8668675831431287, 1.7225695197492428, 1.578623874671166]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7858880635170067, 2.2887003900469267, 2.4376248044876547, 1.979515023635713, 1.578623874671166]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2682206287382316, 1.5181043322089298, 1.4772130248771038, 1.3582350860187289, 1.2940196524016396]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3743781359499794, 1.8161914174825504, 1.8604053164354357, 1.5948550295663684, 1.2940196524016396]}}