{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:57:47.476047", "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": "2025-Nov-11_to_2025-Nov-14_33.5_1.0"}, "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": 2025110001480}, "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 11 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 14 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 77266.47243933496}, "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": ["Tanzania", "Uganda"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Eastern-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": 1.0}, "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": 33.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "33.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 30.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 33.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 0.47], [31.25, 1.0], [31.47, 1.53], [32.0, 1.75], [32.53, 1.53], [32.75, 1.0], [32.53, 0.47], [32.0, 0.25], [31.47, 0.47]]], [[[32.97, 2.03], [33.5, 2.25], [34.03, 2.03], [34.25, 1.5], [34.15, 1.25], [34.25, 1.0], [34.03, 0.47], [33.5, 0.25], [32.97, 0.47], [32.75, 1.0], [32.85, 1.25], [32.75, 1.5], [32.97, 2.03]]]]}, "2025-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, 1.5], [30.47, 2.03], [31.0, 2.25], [31.53, 2.03], [31.68, 1.68], [31.75, 1.65], [31.82, 1.68], [31.97, 2.03], [32.5, 2.25], [33.0, 2.04], [33.5, 2.25], [34.03, 2.03], [34.25, 1.5], [34.15, 1.25], [34.25, 1.0], [34.15, 0.75], [34.25, 0.5], [34.04, 0.0], [34.25, -0.5], [34.03, -1.03], [33.5, -1.25], [33.25, -1.15], [33.18, -1.18], [33.03, -1.53], [32.68, -1.68], [32.65, -1.75], [32.75, -2.0], [32.53, -2.53], [32.0, -2.75], [31.47, -2.53], [31.25, -2.0], [31.35, -1.75], [31.25, -1.5], [31.35, -1.25], [31.25, -1.0], [31.35, -0.75], [31.32, -0.68], [30.97, -0.53], [30.75, 0.0], [30.85, 0.25], [30.75, 0.5], [30.85, 0.75], [30.82, 0.82], [30.47, 0.97], [30.25, 1.5]]]]}, "2025-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, 1.5], [30.47, 2.03], [31.0, 2.25], [31.53, 2.03], [31.68, 1.68], [31.75, 1.65], [31.82, 1.68], [31.97, 2.03], [32.5, 2.25], [33.0, 2.04], [33.5, 2.25], [34.03, 2.03], [34.25, 1.5], [34.15, 1.25], [34.25, 1.0], [34.15, 0.75], [34.25, 0.5], [34.04, 0.0], [34.25, -0.5], [34.03, -1.03], [33.5, -1.25], [33.25, -1.15], [33.18, -1.18], [33.03, -1.53], [32.68, -1.68], [32.65, -1.75], [32.75, -2.0], [32.53, -2.53], [32.0, -2.75], [31.47, -2.53], [31.25, -2.0], [31.35, -1.75], [31.25, -1.5], [31.35, -1.25], [31.25, -1.0], [31.35, -0.75], [31.32, -0.68], [30.97, -0.53], [30.75, 0.0], [30.85, 0.25], [30.75, 0.5], [30.85, 0.75], [30.82, 0.82], [30.47, 0.97], [30.25, 1.5]]]]}, "2025-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, 1.5], [30.47, 2.03], [31.0, 2.25], [31.53, 2.03], [31.68, 1.68], [31.75, 1.65], [31.82, 1.68], [31.97, 2.03], [32.5, 2.25], [33.0, 2.04], [33.5, 2.25], [34.03, 2.03], [34.25, 1.5], [34.15, 1.25], [34.25, 1.0], [34.15, 0.75], [34.25, 0.5], [34.04, 0.0], [34.25, -0.5], [34.03, -1.03], [33.5, -1.25], [33.25, -1.15], [33.18, -1.18], [33.03, -1.53], [32.68, -1.68], [32.65, -1.75], [32.75, -2.0], [32.53, -2.53], [32.0, -2.75], [31.47, -2.53], [31.25, -2.0], [31.35, -1.75], [31.25, -1.5], [31.35, -1.25], [31.25, -1.0], [31.35, -0.75], [31.32, -0.68], [30.97, -0.53], [30.75, 0.0], [30.85, 0.25], [30.75, 0.5], [30.85, 0.75], [30.82, 0.82], [30.47, 0.97], [30.25, 1.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.670974458576268}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.61214849407057}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.309206899007165, 23.771445058186885, 24.281635843912795, 23.95546168009446]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.586632029215536, 25.643603261311853, 26.558396911621116, 26.195455169677757]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3918432822962359, 1.4067287174770309, 1.8999086471380133, 1.5562447430095858]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5812206954405497, 1.8498988491343766, 2.670974458576268, 2.097550060983451]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5258597797771352, 1.874607323925714, 2.5355639672370525, 2.0388299655941227]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.612423941636129, 2.5928199206052347, 3.281751651063756, 2.718575456148876]}}