{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:12.919421", "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-Nov-23_to_2013-Nov-25_20.0_-28.5"}, "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": 2013110002427}, "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 23 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 25 2013"}, "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": 64491.74965979624}, "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": ["Namibia", "South Africa"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Southern-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": -28.5}, "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": 20.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "20.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 19.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 22.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -31.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -27.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.75, -28.0], [18.97, -27.47], [19.5, -27.25], [19.75, -27.35], [20.0, -27.25], [20.25, -27.35], [20.5, -27.25], [21.03, -27.47], [21.18, -27.82], [21.53, -27.97], [21.68, -28.32], [22.03, -28.47], [22.25, -29.0], [22.13, -29.3], [22.53, -29.47], [22.75, -30.0], [22.53, -30.53], [22.18, -30.68], [22.03, -31.03], [21.68, -31.18], [21.53, -31.53], [21.0, -31.75], [20.75, -31.65], [20.68, -31.68], [20.53, -32.03], [20.0, -32.25], [19.47, -32.03], [19.25, -31.5], [19.46, -31.0], [19.25, -30.5], [19.35, -30.25], [19.25, -30.0], [19.35, -29.75], [19.25, -29.5], [19.46, -29.0], [19.32, -28.68], [18.97, -28.53], [18.75, -28.0]]]]}, "2013-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.75, -28.0], [18.97, -27.47], [19.5, -27.25], [19.75, -27.35], [20.0, -27.25], [20.25, -27.35], [20.5, -27.25], [21.03, -27.47], [21.18, -27.82], [21.53, -27.97], [21.68, -28.32], [22.03, -28.47], [22.25, -29.0], [22.13, -29.3], [22.53, -29.47], [22.75, -30.0], [22.53, -30.53], [22.18, -30.68], [22.03, -31.03], [21.68, -31.18], [21.53, -31.53], [21.0, -31.75], [20.75, -31.65], [20.68, -31.68], [20.53, -32.03], [20.0, -32.25], [19.47, -32.03], [19.25, -31.5], [19.46, -31.0], [19.25, -30.5], [19.35, -30.25], [19.25, -30.0], [19.35, -29.75], [19.25, -29.5], [19.46, -29.0], [19.32, -28.68], [18.97, -28.53], [18.75, -28.0]]]]}, "2013-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.75, -28.0], [18.97, -27.47], [19.5, -27.25], [19.75, -27.35], [20.0, -27.25], [20.25, -27.35], [20.5, -27.25], [21.03, -27.47], [21.18, -27.82], [21.53, -27.97], [21.68, -28.32], [22.03, -28.47], [22.25, -29.0], [22.13, -29.3], [22.53, -29.47], [22.75, -30.0], [22.53, -30.53], [22.18, -30.68], [22.03, -31.03], [21.68, -31.18], [21.53, -31.53], [21.0, -31.75], [20.75, -31.65], [20.68, -31.68], [20.53, -32.03], [20.0, -32.25], [19.47, -32.03], [19.25, -31.5], [19.46, -31.0], [19.25, -30.5], [19.35, -30.25], [19.25, -30.0], [19.35, -29.75], [19.25, -29.5], [19.46, -29.0], [19.32, -28.68], [18.97, -28.53], [18.75, -28.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.518088194452787}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.033040487351575}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.49314664272248, 30.278360602982502, 29.518075008370147]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.561837651901214, 32.875009042966326, 32.44868532675116]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.3858248468756, 6.9334125907533775, 5.779884024425748]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.325344200552308, 8.518088194452787, 6.60901424244264]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3497473204838866, 1.753362371550706, 1.505561054051747]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4952937213230086, 2.013559937388621, 1.788063840700602]}}