{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:44.651190", "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": "2010-Sep-13_to_2010-Sep-15_27.5_-32.0"}, "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": 2010090002133}, "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": "September 13 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 15 2010"}, "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": 52752.31847078906}, "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": ["South Africa"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.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": -32.0}, "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": 27.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "27.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 24.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -32.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -30.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.25, -31.5], [24.47, -30.97], [24.82, -30.82], [24.97, -30.47], [25.5, -30.25], [26.0, -30.46], [26.5, -30.25], [27.0, -30.46], [27.5, -30.25], [27.75, -30.35], [27.82, -30.32], [27.97, -29.97], [28.5, -29.75], [29.03, -29.97], [29.18, -30.32], [29.53, -30.47], [29.75, -31.0], [29.53, -31.53], [29.18, -31.68], [29.03, -32.03], [28.5, -32.25], [28.25, -32.15], [28.18, -32.18], [28.03, -32.53], [27.5, -32.75], [27.25, -32.65], [27.0, -32.75], [26.75, -32.65], [26.5, -32.75], [26.25, -32.65], [26.0, -32.75], [25.75, -32.65], [25.5, -32.75], [24.97, -32.53], [24.82, -32.18], [24.47, -32.03], [24.25, -31.5]]]]}, "2010-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.25, -31.5], [24.47, -30.97], [24.82, -30.82], [24.97, -30.47], [25.5, -30.25], [26.0, -30.46], [26.5, -30.25], [27.0, -30.46], [27.5, -30.25], [27.75, -30.35], [27.82, -30.32], [27.97, -29.97], [28.5, -29.75], [29.03, -29.97], [29.18, -30.32], [29.53, -30.47], [29.75, -31.0], [29.53, -31.53], [29.18, -31.68], [29.03, -32.03], [28.5, -32.25], [28.25, -32.15], [28.18, -32.18], [28.03, -32.53], [27.5, -32.75], [27.25, -32.65], [27.0, -32.75], [26.75, -32.65], [26.5, -32.75], [26.25, -32.65], [26.0, -32.75], [25.75, -32.65], [25.5, -32.75], [24.97, -32.53], [24.82, -32.18], [24.47, -32.03], [24.25, -31.5]]]]}, "2010-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.25, -31.5], [24.47, -30.97], [24.82, -30.82], [24.97, -30.47], [25.5, -30.25], [26.0, -30.46], [26.5, -30.25], [27.0, -30.46], [27.5, -30.25], [27.75, -30.35], [27.82, -30.32], [27.97, -29.97], [28.5, -29.75], [29.03, -29.97], [29.18, -30.32], [29.53, -30.47], [29.75, -31.0], [29.53, -31.53], [29.18, -31.68], [29.03, -32.03], [28.5, -32.25], [28.25, -32.15], [28.18, -32.18], [28.03, -32.53], [27.5, -32.75], [27.25, -32.65], [27.0, -32.75], [26.75, -32.65], [26.5, -32.75], [26.25, -32.65], [26.0, -32.75], [25.75, -32.65], [25.5, -32.75], [24.97, -32.53], [24.82, -32.18], [24.47, -32.03], [24.25, -31.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.34892702134215}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.161500645597329}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.87452302397537, 22.80187666276288, 20.875923118648416]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.00692195648145, 26.57126386349455, 23.16865709019669]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.973280122456328, 8.758483535497266, 6.752738278838393]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.04121344128373, 11.34892702134215, 7.807981942098479]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4978783816781769, 2.2441797458277493, 1.73556005516112]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7493384692124698, 2.882389366257382, 2.044442033934675]}}