{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:47.766147", "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": "2013-Oct-17_to_2013-Oct-25_356.5_11.0"}, "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": 2013100002333}, "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 17 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 25 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 57628.07555154419}, "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", "Ghana"]}, "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": 11.0}, "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": 356.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "356.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 354.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 359.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.53, 10.47], [-4.75, 11.0], [-4.53, 11.53], [-4.0, 11.75], 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[-3.75, 10.35], [-4.0, 10.25], [-4.53, 10.47]]]]}, "2013-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.53, 10.47], [-4.75, 11.0], [-4.53, 11.53], [-4.0, 11.75], [-3.75, 11.65], [-3.68, 11.68], [-3.53, 12.03], [-3.18, 12.18], [-3.03, 12.53], [-2.5, 12.75], [-2.25, 12.65], [-2.0, 12.75], [-1.5, 12.54], [-1.0, 12.75], [-0.47, 12.53], [-0.25, 12.0], [-0.35, 11.75], [-0.25, 11.5], [-0.47, 10.97], [-1.0, 10.75], [-1.25, 10.85], [-1.5, 10.75], [-1.75, 10.85], [-1.82, 10.82], [-1.97, 10.47], [-2.5, 10.25], [-2.75, 10.35], [-3.0, 10.25], [-3.25, 10.35], [-3.5, 10.25], [-3.75, 10.35], [-4.0, 10.25], [-4.53, 10.47]]]]}, "2013-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-1.0, 12.25], [-0.47, 12.03], [-0.25, 11.5], [-0.47, 10.97], [-1.0, 10.75], [-1.53, 10.97], [-1.75, 11.5], [-1.53, 12.03], [-1.0, 12.25]]]]}, "2013-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.75, 11.65], [-3.5, 11.75], [-3.25, 11.65], [-3.0, 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anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9331725596070894}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.9514539046761, 30.75251848881453, 30.192189354155403, 30.100961664653767, 29.607949305562784, 29.871311070503566, 29.67621490336859, 29.76454831652626, 29.604236688790934]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.55010816562759, 31.278671368681955, 30.91129146826603, 30.100961664653767, 30.101673917271853, 30.555948637095923, 30.21976540135273, 30.428526643717873, 29.668054523372632]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.788836842568145, 2.5285193385478046, 1.8619852908843246, 1.4401163168657263, 1.7746026422581664, 2.0256212675189715, 1.7605797264804803, 1.887999905124393, 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2.2326466049946188, 2.397089493051175, 1.476643455973377]}}