{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:29.768714", "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": "2022-Jun-14_to_2022-Jun-17_34.5_-9.5"}, "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": 2022060002023}, "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": "June 14 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 17 2022"}, "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": 128198.61350355807}, "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", "Zambia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "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": -9.5}, "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": 34.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "34.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 30.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.5, -8.75], [35.03, -8.97], [35.25, -9.5], [35.03, -10.03], [34.5, -10.25], [33.97, -10.03], [33.75, -9.5], [33.97, -8.97], [34.5, -8.75]]]]}, "2022-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.75, -6.0], [29.97, -5.47], [30.5, -5.25], [30.75, -5.35], [31.0, -5.25], [31.53, -5.47], [31.68, -5.82], [32.03, -5.97], [32.18, -6.32], [32.5, -6.46], [33.0, -6.25], [33.53, -6.47], [33.68, -6.82], [34.03, -6.97], [34.18, -7.32], [34.53, -7.47], [34.68, -7.82], [34.75, -7.85], [35.0, -7.75], [35.53, -7.97], [35.75, -8.5], [35.65, -8.75], [35.75, -9.0], [35.65, -9.25], [35.75, -9.5], [35.65, -9.75], [35.75, -10.0], [35.53, -10.53], [35.0, -10.75], [34.47, -10.53], [34.32, -10.18], [34.0, -10.04], [33.5, -10.25], [33.2, -10.12], [33.15, -10.25], [33.25, -10.5], [33.15, -10.75], [33.25, -11.0], [33.03, -11.53], [32.68, -11.68], [32.53, -12.03], [32.18, -12.18], [32.03, -12.53], [31.68, -12.68], [31.53, -13.03], [31.0, -13.25], [30.47, -13.03], [30.25, -12.5], [30.47, -11.97], [30.82, -11.82], [30.85, -11.75], [30.75, -11.5], [30.85, -11.25], [30.75, -11.0], [30.97, -10.47], [31.32, -10.32], [31.38, -10.2], [30.97, -10.03], [30.75, -9.5], [30.96, -9.0], [30.75, -8.5], [30.85, -8.25], [30.82, -8.18], [30.47, -8.03], [30.25, -7.5], [30.46, -7.0], [30.32, -6.68], [29.97, -6.53], [29.75, -6.0]], [[32.3, -7.88], [32.43, -7.57], [32.13, -7.7], [32.18, -7.82], [32.3, -7.88]]]]}, "2022-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.75, -6.0], [29.97, -5.47], [30.5, -5.25], [30.75, -5.35], [31.0, -5.25], [31.53, -5.47], [31.68, -5.82], [32.03, -5.97], [32.18, -6.32], [32.5, -6.46], [33.0, -6.25], [33.53, -6.47], [33.68, -6.82], [34.03, -6.97], [34.18, -7.32], [34.53, -7.47], [34.68, -7.82], [34.75, -7.85], [35.0, -7.75], [35.53, -7.97], [35.75, -8.5], [35.65, -8.75], [35.75, -9.0], [35.65, -9.25], [35.75, -9.5], [35.65, -9.75], [35.75, -10.0], [35.53, -10.53], [35.0, -10.75], [34.47, -10.53], [34.32, -10.18], [34.0, -10.04], [33.5, -10.25], [33.2, -10.12], [33.15, -10.25], [33.25, -10.5], [33.15, -10.75], [33.25, -11.0], [33.03, -11.53], [32.68, -11.68], [32.53, -12.03], [32.18, -12.18], [32.03, -12.53], [31.68, -12.68], [31.53, -13.03], [31.0, -13.25], [30.47, -13.03], [30.25, -12.5], [30.47, -11.97], [30.82, -11.82], [30.85, -11.75], [30.75, -11.5], [30.85, -11.25], [30.75, -11.0], [30.97, -10.47], [31.32, -10.32], [31.38, -10.2], [30.97, -10.03], [30.75, -9.5], [30.96, -9.0], [30.75, -8.5], [30.85, -8.25], [30.82, -8.18], [30.47, -8.03], [30.25, -7.5], [30.46, -7.0], [30.32, -6.68], [29.97, -6.53], [29.75, -6.0]], [[32.3, -7.88], [32.43, -7.57], [32.13, -7.7], [32.18, -7.82], [32.3, -7.88]]]]}, "2022-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.75, -6.0], [29.97, -5.47], [30.5, -5.25], [30.75, -5.35], [31.0, -5.25], [31.53, -5.47], [31.68, -5.82], [32.03, -5.97], [32.18, -6.32], [32.5, -6.46], [33.0, -6.25], [33.53, -6.47], [33.68, -6.82], [34.03, -6.97], [34.18, -7.32], [34.53, -7.47], [34.68, -7.82], [34.75, -7.85], [35.0, -7.75], [35.53, -7.97], [35.75, -8.5], [35.65, -8.75], [35.75, -9.0], [35.65, -9.25], [35.75, -9.5], [35.65, -9.75], [35.75, -10.0], [35.53, -10.53], [35.0, -10.75], [34.47, -10.53], [34.32, -10.18], [34.0, -10.04], [33.5, -10.25], [33.2, -10.12], [33.15, -10.25], [33.25, -10.5], [33.15, -10.75], [33.25, -11.0], [33.03, -11.53], [32.68, -11.68], [32.53, -12.03], [32.18, -12.18], [32.03, -12.53], [31.68, -12.68], [31.53, -13.03], [31.0, -13.25], [30.47, -13.03], [30.25, -12.5], [30.47, -11.97], [30.82, -11.82], [30.85, -11.75], [30.75, -11.5], [30.85, -11.25], [30.75, -11.0], [30.97, -10.47], [31.32, -10.32], [31.38, -10.2], [30.97, -10.03], [30.75, -9.5], [30.96, -9.0], [30.75, -8.5], [30.85, -8.25], [30.82, -8.18], [30.47, -8.03], [30.25, -7.5], [30.46, -7.0], [30.32, -6.68], [29.97, -6.53], [29.75, -6.0]], [[32.3, -7.88], [32.43, -7.57], [32.13, -7.7], [32.18, -7.82], [32.3, -7.88]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.409186109043503}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.873942539851645}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.35358630992647, 20.135165766429168, 20.330576425494996, 19.826251305850462]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.35358630992647, 24.310914600349008, 24.715979620202347, 24.24577028378934]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6678563349419733, 1.8865699252714687, 2.1108704046048157, 1.6292941040812619]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6678563349419733, 3.409186109043503, 2.9493845451401626, 2.5413531394961524]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6390485588694246, 1.7878894613305707, 2.022277631507688, 1.5604989309630168]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6390485588694246, 2.6727820701608915, 2.5975703629738285, 1.915218179478253]}}